diff options
Diffstat (limited to 'Objects/bytesobject.c')
| -rw-r--r-- | Objects/bytesobject.c | 4652 |
1 files changed, 2326 insertions, 2326 deletions
diff --git a/Objects/bytesobject.c b/Objects/bytesobject.c index a05bf03..8a15e89 100644 --- a/Objects/bytesobject.c +++ b/Objects/bytesobject.c @@ -14,14 +14,14 @@ _getbuffer(PyObject *obj, Py_buffer *view) if (buffer == NULL || buffer->bf_getbuffer == NULL) { - PyErr_Format(PyExc_TypeError, - "Type %.100s doesn't support the buffer API", - Py_TYPE(obj)->tp_name); - return -1; + PyErr_Format(PyExc_TypeError, + "Type %.100s doesn't support the buffer API", + Py_TYPE(obj)->tp_name); + return -1; } if (buffer->bf_getbuffer(obj, view, PyBUF_SIMPLE) < 0) - return -1; + return -1; return view->len; } @@ -69,305 +69,305 @@ static PyBytesObject *nullstring; PyObject * PyBytes_FromStringAndSize(const char *str, Py_ssize_t size) { - register PyBytesObject *op; - if (size < 0) { - PyErr_SetString(PyExc_SystemError, - "Negative size passed to PyBytes_FromStringAndSize"); - return NULL; - } - if (size == 0 && (op = nullstring) != NULL) { + register PyBytesObject *op; + if (size < 0) { + PyErr_SetString(PyExc_SystemError, + "Negative size passed to PyBytes_FromStringAndSize"); + return NULL; + } + if (size == 0 && (op = nullstring) != NULL) { #ifdef COUNT_ALLOCS - null_strings++; + null_strings++; #endif - Py_INCREF(op); - return (PyObject *)op; - } - if (size == 1 && str != NULL && - (op = characters[*str & UCHAR_MAX]) != NULL) - { + Py_INCREF(op); + return (PyObject *)op; + } + if (size == 1 && str != NULL && + (op = characters[*str & UCHAR_MAX]) != NULL) + { #ifdef COUNT_ALLOCS - one_strings++; + one_strings++; #endif - Py_INCREF(op); - return (PyObject *)op; - } - - if (size > PY_SSIZE_T_MAX - PyBytesObject_SIZE) { - PyErr_SetString(PyExc_OverflowError, - "byte string is too large"); - return NULL; - } - - /* Inline PyObject_NewVar */ - op = (PyBytesObject *)PyObject_MALLOC(PyBytesObject_SIZE + size); - if (op == NULL) - return PyErr_NoMemory(); - PyObject_INIT_VAR(op, &PyBytes_Type, size); - op->ob_shash = -1; - if (str != NULL) - Py_MEMCPY(op->ob_sval, str, size); - op->ob_sval[size] = '\0'; - /* share short strings */ - if (size == 0) { - nullstring = op; - Py_INCREF(op); - } else if (size == 1 && str != NULL) { - characters[*str & UCHAR_MAX] = op; - Py_INCREF(op); - } - return (PyObject *) op; + Py_INCREF(op); + return (PyObject *)op; + } + + if (size > PY_SSIZE_T_MAX - PyBytesObject_SIZE) { + PyErr_SetString(PyExc_OverflowError, + "byte string is too large"); + return NULL; + } + + /* Inline PyObject_NewVar */ + op = (PyBytesObject *)PyObject_MALLOC(PyBytesObject_SIZE + size); + if (op == NULL) + return PyErr_NoMemory(); + PyObject_INIT_VAR(op, &PyBytes_Type, size); + op->ob_shash = -1; + if (str != NULL) + Py_MEMCPY(op->ob_sval, str, size); + op->ob_sval[size] = '\0'; + /* share short strings */ + if (size == 0) { + nullstring = op; + Py_INCREF(op); + } else if (size == 1 && str != NULL) { + characters[*str & UCHAR_MAX] = op; + Py_INCREF(op); + } + return (PyObject *) op; } PyObject * PyBytes_FromString(const char *str) { - register size_t size; - register PyBytesObject *op; - - assert(str != NULL); - size = strlen(str); - if (size > PY_SSIZE_T_MAX - PyBytesObject_SIZE) { - PyErr_SetString(PyExc_OverflowError, - "byte string is too long"); - return NULL; - } - if (size == 0 && (op = nullstring) != NULL) { + register size_t size; + register PyBytesObject *op; + + assert(str != NULL); + size = strlen(str); + if (size > PY_SSIZE_T_MAX - PyBytesObject_SIZE) { + PyErr_SetString(PyExc_OverflowError, + "byte string is too long"); + return NULL; + } + if (size == 0 && (op = nullstring) != NULL) { #ifdef COUNT_ALLOCS - null_strings++; + null_strings++; #endif - Py_INCREF(op); - return (PyObject *)op; - } - if (size == 1 && (op = characters[*str & UCHAR_MAX]) != NULL) { + Py_INCREF(op); + return (PyObject *)op; + } + if (size == 1 && (op = characters[*str & UCHAR_MAX]) != NULL) { #ifdef COUNT_ALLOCS - one_strings++; + one_strings++; #endif - Py_INCREF(op); - return (PyObject *)op; - } - - /* Inline PyObject_NewVar */ - op = (PyBytesObject *)PyObject_MALLOC(PyBytesObject_SIZE + size); - if (op == NULL) - return PyErr_NoMemory(); - PyObject_INIT_VAR(op, &PyBytes_Type, size); - op->ob_shash = -1; - Py_MEMCPY(op->ob_sval, str, size+1); - /* share short strings */ - if (size == 0) { - nullstring = op; - Py_INCREF(op); - } else if (size == 1) { - characters[*str & UCHAR_MAX] = op; - Py_INCREF(op); - } - return (PyObject *) op; + Py_INCREF(op); + return (PyObject *)op; + } + + /* Inline PyObject_NewVar */ + op = (PyBytesObject *)PyObject_MALLOC(PyBytesObject_SIZE + size); + if (op == NULL) + return PyErr_NoMemory(); + PyObject_INIT_VAR(op, &PyBytes_Type, size); + op->ob_shash = -1; + Py_MEMCPY(op->ob_sval, str, size+1); + /* share short strings */ + if (size == 0) { + nullstring = op; + Py_INCREF(op); + } else if (size == 1) { + characters[*str & UCHAR_MAX] = op; + Py_INCREF(op); + } + return (PyObject *) op; } PyObject * PyBytes_FromFormatV(const char *format, va_list vargs) { - va_list count; - Py_ssize_t n = 0; - const char* f; - char *s; - PyObject* string; + va_list count; + Py_ssize_t n = 0; + const char* f; + char *s; + PyObject* string; #ifdef VA_LIST_IS_ARRAY - Py_MEMCPY(count, vargs, sizeof(va_list)); + Py_MEMCPY(count, vargs, sizeof(va_list)); #else #ifdef __va_copy - __va_copy(count, vargs); + __va_copy(count, vargs); #else - count = vargs; + count = vargs; #endif #endif - /* step 1: figure out how large a buffer we need */ - for (f = format; *f; f++) { - if (*f == '%') { - const char* p = f; - while (*++f && *f != '%' && !ISALPHA(*f)) - ; - - /* skip the 'l' or 'z' in {%ld, %zd, %lu, %zu} since - * they don't affect the amount of space we reserve. - */ - if ((*f == 'l' || *f == 'z') && - (f[1] == 'd' || f[1] == 'u')) - ++f; - - switch (*f) { - case 'c': - (void)va_arg(count, int); - /* fall through... */ - case '%': - n++; - break; - case 'd': case 'u': case 'i': case 'x': - (void) va_arg(count, int); - /* 20 bytes is enough to hold a 64-bit - integer. Decimal takes the most space. - This isn't enough for octal. */ - n += 20; - break; - case 's': - s = va_arg(count, char*); - n += strlen(s); - break; - case 'p': - (void) va_arg(count, int); - /* maximum 64-bit pointer representation: - * 0xffffffffffffffff - * so 19 characters is enough. - * XXX I count 18 -- what's the extra for? - */ - n += 19; - break; - default: - /* if we stumble upon an unknown - formatting code, copy the rest of - the format string to the output - string. (we cannot just skip the - code, since there's no way to know - what's in the argument list) */ - n += strlen(p); - goto expand; - } - } else - n++; - } + /* step 1: figure out how large a buffer we need */ + for (f = format; *f; f++) { + if (*f == '%') { + const char* p = f; + while (*++f && *f != '%' && !ISALPHA(*f)) + ; + + /* skip the 'l' or 'z' in {%ld, %zd, %lu, %zu} since + * they don't affect the amount of space we reserve. + */ + if ((*f == 'l' || *f == 'z') && + (f[1] == 'd' || f[1] == 'u')) + ++f; + + switch (*f) { + case 'c': + (void)va_arg(count, int); + /* fall through... */ + case '%': + n++; + break; + case 'd': case 'u': case 'i': case 'x': + (void) va_arg(count, int); + /* 20 bytes is enough to hold a 64-bit + integer. Decimal takes the most space. + This isn't enough for octal. */ + n += 20; + break; + case 's': + s = va_arg(count, char*); + n += strlen(s); + break; + case 'p': + (void) va_arg(count, int); + /* maximum 64-bit pointer representation: + * 0xffffffffffffffff + * so 19 characters is enough. + * XXX I count 18 -- what's the extra for? + */ + n += 19; + break; + default: + /* if we stumble upon an unknown + formatting code, copy the rest of + the format string to the output + string. (we cannot just skip the + code, since there's no way to know + what's in the argument list) */ + n += strlen(p); + goto expand; + } + } else + n++; + } expand: - /* step 2: fill the buffer */ - /* Since we've analyzed how much space we need for the worst case, - use sprintf directly instead of the slower PyOS_snprintf. */ - string = PyBytes_FromStringAndSize(NULL, n); - if (!string) - return NULL; - - s = PyBytes_AsString(string); - - for (f = format; *f; f++) { - if (*f == '%') { - const char* p = f++; - Py_ssize_t i; - int longflag = 0; - int size_tflag = 0; - /* parse the width.precision part (we're only - interested in the precision value, if any) */ - n = 0; - while (ISDIGIT(*f)) - n = (n*10) + *f++ - '0'; - if (*f == '.') { - f++; - n = 0; - while (ISDIGIT(*f)) - n = (n*10) + *f++ - '0'; - } - while (*f && *f != '%' && !ISALPHA(*f)) - f++; - /* handle the long flag, but only for %ld and %lu. - others can be added when necessary. */ - if (*f == 'l' && (f[1] == 'd' || f[1] == 'u')) { - longflag = 1; - ++f; - } - /* handle the size_t flag. */ - if (*f == 'z' && (f[1] == 'd' || f[1] == 'u')) { - size_tflag = 1; - ++f; - } - - switch (*f) { - case 'c': - *s++ = va_arg(vargs, int); - break; - case 'd': - if (longflag) - sprintf(s, "%ld", va_arg(vargs, long)); - else if (size_tflag) - sprintf(s, "%" PY_FORMAT_SIZE_T "d", - va_arg(vargs, Py_ssize_t)); - else - sprintf(s, "%d", va_arg(vargs, int)); - s += strlen(s); - break; - case 'u': - if (longflag) - sprintf(s, "%lu", - va_arg(vargs, unsigned long)); - else if (size_tflag) - sprintf(s, "%" PY_FORMAT_SIZE_T "u", - va_arg(vargs, size_t)); - else - sprintf(s, "%u", - va_arg(vargs, unsigned int)); - s += strlen(s); - break; - case 'i': - sprintf(s, "%i", va_arg(vargs, int)); - s += strlen(s); - break; - case 'x': - sprintf(s, "%x", va_arg(vargs, int)); - s += strlen(s); - break; - case 's': - p = va_arg(vargs, char*); - i = strlen(p); - if (n > 0 && i > n) - i = n; - Py_MEMCPY(s, p, i); - s += i; - break; - case 'p': - sprintf(s, "%p", va_arg(vargs, void*)); - /* %p is ill-defined: ensure leading 0x. */ - if (s[1] == 'X') - s[1] = 'x'; - else if (s[1] != 'x') { - memmove(s+2, s, strlen(s)+1); - s[0] = '0'; - s[1] = 'x'; - } - s += strlen(s); - break; - case '%': - *s++ = '%'; - break; - default: - strcpy(s, p); - s += strlen(s); - goto end; - } - } else - *s++ = *f; - } + /* step 2: fill the buffer */ + /* Since we've analyzed how much space we need for the worst case, + use sprintf directly instead of the slower PyOS_snprintf. */ + string = PyBytes_FromStringAndSize(NULL, n); + if (!string) + return NULL; + + s = PyBytes_AsString(string); + + for (f = format; *f; f++) { + if (*f == '%') { + const char* p = f++; + Py_ssize_t i; + int longflag = 0; + int size_tflag = 0; + /* parse the width.precision part (we're only + interested in the precision value, if any) */ + n = 0; + while (ISDIGIT(*f)) + n = (n*10) + *f++ - '0'; + if (*f == '.') { + f++; + n = 0; + while (ISDIGIT(*f)) + n = (n*10) + *f++ - '0'; + } + while (*f && *f != '%' && !ISALPHA(*f)) + f++; + /* handle the long flag, but only for %ld and %lu. + others can be added when necessary. */ + if (*f == 'l' && (f[1] == 'd' || f[1] == 'u')) { + longflag = 1; + ++f; + } + /* handle the size_t flag. */ + if (*f == 'z' && (f[1] == 'd' || f[1] == 'u')) { + size_tflag = 1; + ++f; + } + + switch (*f) { + case 'c': + *s++ = va_arg(vargs, int); + break; + case 'd': + if (longflag) + sprintf(s, "%ld", va_arg(vargs, long)); + else if (size_tflag) + sprintf(s, "%" PY_FORMAT_SIZE_T "d", + va_arg(vargs, Py_ssize_t)); + else + sprintf(s, "%d", va_arg(vargs, int)); + s += strlen(s); + break; + case 'u': + if (longflag) + sprintf(s, "%lu", + va_arg(vargs, unsigned long)); + else if (size_tflag) + sprintf(s, "%" PY_FORMAT_SIZE_T "u", + va_arg(vargs, size_t)); + else + sprintf(s, "%u", + va_arg(vargs, unsigned int)); + s += strlen(s); + break; + case 'i': + sprintf(s, "%i", va_arg(vargs, int)); + s += strlen(s); + break; + case 'x': + sprintf(s, "%x", va_arg(vargs, int)); + s += strlen(s); + break; + case 's': + p = va_arg(vargs, char*); + i = strlen(p); + if (n > 0 && i > n) + i = n; + Py_MEMCPY(s, p, i); + s += i; + break; + case 'p': + sprintf(s, "%p", va_arg(vargs, void*)); + /* %p is ill-defined: ensure leading 0x. */ + if (s[1] == 'X') + s[1] = 'x'; + else if (s[1] != 'x') { + memmove(s+2, s, strlen(s)+1); + s[0] = '0'; + s[1] = 'x'; + } + s += strlen(s); + break; + case '%': + *s++ = '%'; + break; + default: + strcpy(s, p); + s += strlen(s); + goto end; + } + } else + *s++ = *f; + } end: - _PyBytes_Resize(&string, s - PyBytes_AS_STRING(string)); - return string; + _PyBytes_Resize(&string, s - PyBytes_AS_STRING(string)); + return string; } PyObject * PyBytes_FromFormat(const char *format, ...) { - PyObject* ret; - va_list vargs; + PyObject* ret; + va_list vargs; #ifdef HAVE_STDARG_PROTOTYPES - va_start(vargs, format); + va_start(vargs, format); #else - va_start(vargs); + va_start(vargs); #endif - ret = PyBytes_FromFormatV(format, vargs); - va_end(vargs); - return ret; + ret = PyBytes_FromFormatV(format, vargs); + va_end(vargs); + return ret; } static void bytes_dealloc(PyObject *op) { - Py_TYPE(op)->tp_free(op); + Py_TYPE(op)->tp_free(op); } /* Unescape a backslash-escaped string. If unicode is non-zero, @@ -376,135 +376,135 @@ bytes_dealloc(PyObject *op) specified encoding. */ PyObject *PyBytes_DecodeEscape(const char *s, - Py_ssize_t len, - const char *errors, - Py_ssize_t unicode, - const char *recode_encoding) -{ - int c; - char *p, *buf; - const char *end; - PyObject *v; - Py_ssize_t newlen = recode_encoding ? 4*len:len; - v = PyBytes_FromStringAndSize((char *)NULL, newlen); - if (v == NULL) - return NULL; - p = buf = PyBytes_AsString(v); - end = s + len; - while (s < end) { - if (*s != '\\') { - non_esc: - if (recode_encoding && (*s & 0x80)) { - PyObject *u, *w; - char *r; - const char* t; - Py_ssize_t rn; - t = s; - /* Decode non-ASCII bytes as UTF-8. */ - while (t < end && (*t & 0x80)) t++; - u = PyUnicode_DecodeUTF8(s, t - s, errors); - if(!u) goto failed; - - /* Recode them in target encoding. */ - w = PyUnicode_AsEncodedString( - u, recode_encoding, errors); - Py_DECREF(u); - if (!w) goto failed; - - /* Append bytes to output buffer. */ - assert(PyBytes_Check(w)); - r = PyBytes_AS_STRING(w); - rn = PyBytes_GET_SIZE(w); - Py_MEMCPY(p, r, rn); - p += rn; - Py_DECREF(w); - s = t; - } else { - *p++ = *s++; - } - continue; - } - s++; - if (s==end) { - PyErr_SetString(PyExc_ValueError, - "Trailing \\ in string"); - goto failed; - } - switch (*s++) { - /* XXX This assumes ASCII! */ - case '\n': break; - case '\\': *p++ = '\\'; break; - case '\'': *p++ = '\''; break; - case '\"': *p++ = '\"'; break; - case 'b': *p++ = '\b'; break; - case 'f': *p++ = '\014'; break; /* FF */ - case 't': *p++ = '\t'; break; - case 'n': *p++ = '\n'; break; - case 'r': *p++ = '\r'; break; - case 'v': *p++ = '\013'; break; /* VT */ - case 'a': *p++ = '\007'; break; /* BEL, not classic C */ - case '0': case '1': case '2': case '3': - case '4': case '5': case '6': case '7': - c = s[-1] - '0'; - if (s < end && '0' <= *s && *s <= '7') { - c = (c<<3) + *s++ - '0'; - if (s < end && '0' <= *s && *s <= '7') - c = (c<<3) + *s++ - '0'; - } - *p++ = c; - break; - case 'x': - if (s+1 < end && ISXDIGIT(s[0]) && ISXDIGIT(s[1])) { - unsigned int x = 0; - c = Py_CHARMASK(*s); - s++; - if (ISDIGIT(c)) - x = c - '0'; - else if (ISLOWER(c)) - x = 10 + c - 'a'; - else - x = 10 + c - 'A'; - x = x << 4; - c = Py_CHARMASK(*s); - s++; - if (ISDIGIT(c)) - x += c - '0'; - else if (ISLOWER(c)) - x += 10 + c - 'a'; - else - x += 10 + c - 'A'; - *p++ = x; - break; - } - if (!errors || strcmp(errors, "strict") == 0) { - PyErr_SetString(PyExc_ValueError, - "invalid \\x escape"); - goto failed; - } - if (strcmp(errors, "replace") == 0) { - *p++ = '?'; - } else if (strcmp(errors, "ignore") == 0) - /* do nothing */; - else { - PyErr_Format(PyExc_ValueError, - "decoding error; unknown " - "error handling code: %.400s", - errors); - goto failed; - } - default: - *p++ = '\\'; - s--; - goto non_esc; /* an arbitry number of unescaped - UTF-8 bytes may follow. */ - } - } - if (p-buf < newlen) - _PyBytes_Resize(&v, p - buf); - return v; + Py_ssize_t len, + const char *errors, + Py_ssize_t unicode, + const char *recode_encoding) +{ + int c; + char *p, *buf; + const char *end; + PyObject *v; + Py_ssize_t newlen = recode_encoding ? 4*len:len; + v = PyBytes_FromStringAndSize((char *)NULL, newlen); + if (v == NULL) + return NULL; + p = buf = PyBytes_AsString(v); + end = s + len; + while (s < end) { + if (*s != '\\') { + non_esc: + if (recode_encoding && (*s & 0x80)) { + PyObject *u, *w; + char *r; + const char* t; + Py_ssize_t rn; + t = s; + /* Decode non-ASCII bytes as UTF-8. */ + while (t < end && (*t & 0x80)) t++; + u = PyUnicode_DecodeUTF8(s, t - s, errors); + if(!u) goto failed; + + /* Recode them in target encoding. */ + w = PyUnicode_AsEncodedString( + u, recode_encoding, errors); + Py_DECREF(u); + if (!w) goto failed; + + /* Append bytes to output buffer. */ + assert(PyBytes_Check(w)); + r = PyBytes_AS_STRING(w); + rn = PyBytes_GET_SIZE(w); + Py_MEMCPY(p, r, rn); + p += rn; + Py_DECREF(w); + s = t; + } else { + *p++ = *s++; + } + continue; + } + s++; + if (s==end) { + PyErr_SetString(PyExc_ValueError, + "Trailing \\ in string"); + goto failed; + } + switch (*s++) { + /* XXX This assumes ASCII! */ + case '\n': break; + case '\\': *p++ = '\\'; break; + case '\'': *p++ = '\''; break; + case '\"': *p++ = '\"'; break; + case 'b': *p++ = '\b'; break; + case 'f': *p++ = '\014'; break; /* FF */ + case 't': *p++ = '\t'; break; + case 'n': *p++ = '\n'; break; + case 'r': *p++ = '\r'; break; + case 'v': *p++ = '\013'; break; /* VT */ + case 'a': *p++ = '\007'; break; /* BEL, not classic C */ + case '0': case '1': case '2': case '3': + case '4': case '5': case '6': case '7': + c = s[-1] - '0'; + if (s < end && '0' <= *s && *s <= '7') { + c = (c<<3) + *s++ - '0'; + if (s < end && '0' <= *s && *s <= '7') + c = (c<<3) + *s++ - '0'; + } + *p++ = c; + break; + case 'x': + if (s+1 < end && ISXDIGIT(s[0]) && ISXDIGIT(s[1])) { + unsigned int x = 0; + c = Py_CHARMASK(*s); + s++; + if (ISDIGIT(c)) + x = c - '0'; + else if (ISLOWER(c)) + x = 10 + c - 'a'; + else + x = 10 + c - 'A'; + x = x << 4; + c = Py_CHARMASK(*s); + s++; + if (ISDIGIT(c)) + x += c - '0'; + else if (ISLOWER(c)) + x += 10 + c - 'a'; + else + x += 10 + c - 'A'; + *p++ = x; + break; + } + if (!errors || strcmp(errors, "strict") == 0) { + PyErr_SetString(PyExc_ValueError, + "invalid \\x escape"); + goto failed; + } + if (strcmp(errors, "replace") == 0) { + *p++ = '?'; + } else if (strcmp(errors, "ignore") == 0) + /* do nothing */; + else { + PyErr_Format(PyExc_ValueError, + "decoding error; unknown " + "error handling code: %.400s", + errors); + goto failed; + } + default: + *p++ = '\\'; + s--; + goto non_esc; /* an arbitry number of unescaped + UTF-8 bytes may follow. */ + } + } + if (p-buf < newlen) + _PyBytes_Resize(&v, p - buf); + return v; failed: - Py_DECREF(v); - return NULL; + Py_DECREF(v); + return NULL; } /* -------------------------------------------------------------------- */ @@ -513,50 +513,50 @@ PyObject *PyBytes_DecodeEscape(const char *s, Py_ssize_t PyBytes_Size(register PyObject *op) { - if (!PyBytes_Check(op)) { - PyErr_Format(PyExc_TypeError, - "expected bytes, %.200s found", Py_TYPE(op)->tp_name); - return -1; - } - return Py_SIZE(op); + if (!PyBytes_Check(op)) { + PyErr_Format(PyExc_TypeError, + "expected bytes, %.200s found", Py_TYPE(op)->tp_name); + return -1; + } + return Py_SIZE(op); } char * PyBytes_AsString(register PyObject *op) { - if (!PyBytes_Check(op)) { - PyErr_Format(PyExc_TypeError, - "expected bytes, %.200s found", Py_TYPE(op)->tp_name); - return NULL; - } - return ((PyBytesObject *)op)->ob_sval; + if (!PyBytes_Check(op)) { + PyErr_Format(PyExc_TypeError, + "expected bytes, %.200s found", Py_TYPE(op)->tp_name); + return NULL; + } + return ((PyBytesObject *)op)->ob_sval; } int PyBytes_AsStringAndSize(register PyObject *obj, - register char **s, - register Py_ssize_t *len) -{ - if (s == NULL) { - PyErr_BadInternalCall(); - return -1; - } - - if (!PyBytes_Check(obj)) { - PyErr_Format(PyExc_TypeError, - "expected bytes, %.200s found", Py_TYPE(obj)->tp_name); - return -1; - } - - *s = PyBytes_AS_STRING(obj); - if (len != NULL) - *len = PyBytes_GET_SIZE(obj); - else if (strlen(*s) != (size_t)PyBytes_GET_SIZE(obj)) { - PyErr_SetString(PyExc_TypeError, - "expected bytes with no null"); - return -1; - } - return 0; + register char **s, + register Py_ssize_t *len) +{ + if (s == NULL) { + PyErr_BadInternalCall(); + return -1; + } + + if (!PyBytes_Check(obj)) { + PyErr_Format(PyExc_TypeError, + "expected bytes, %.200s found", Py_TYPE(obj)->tp_name); + return -1; + } + + *s = PyBytes_AS_STRING(obj); + if (len != NULL) + *len = PyBytes_GET_SIZE(obj); + else if (strlen(*s) != (size_t)PyBytes_GET_SIZE(obj)) { + PyErr_SetString(PyExc_TypeError, + "expected bytes with no null"); + return -1; + } + return 0; } /* -------------------------------------------------------------------- */ @@ -576,199 +576,199 @@ PyBytes_AsStringAndSize(register PyObject *obj, PyObject * PyBytes_Repr(PyObject *obj, int smartquotes) { - static const char *hexdigits = "0123456789abcdef"; - register PyBytesObject* op = (PyBytesObject*) obj; - Py_ssize_t length = Py_SIZE(op); - size_t newsize = 3 + 4 * length; - PyObject *v; - if (newsize > PY_SSIZE_T_MAX || (newsize-3) / 4 != length) { - PyErr_SetString(PyExc_OverflowError, - "bytes object is too large to make repr"); - return NULL; - } - v = PyUnicode_FromUnicode(NULL, newsize); - if (v == NULL) { - return NULL; - } - else { - register Py_ssize_t i; - register Py_UNICODE c; - register Py_UNICODE *p = PyUnicode_AS_UNICODE(v); - int quote; - - /* Figure out which quote to use; single is preferred */ - quote = '\''; - if (smartquotes) { - char *test, *start; - start = PyBytes_AS_STRING(op); - for (test = start; test < start+length; ++test) { - if (*test == '"') { - quote = '\''; /* back to single */ - goto decided; - } - else if (*test == '\'') - quote = '"'; - } - decided: - ; - } - - *p++ = 'b', *p++ = quote; - for (i = 0; i < length; i++) { - /* There's at least enough room for a hex escape - and a closing quote. */ - assert(newsize - (p - PyUnicode_AS_UNICODE(v)) >= 5); - c = op->ob_sval[i]; - if (c == quote || c == '\\') - *p++ = '\\', *p++ = c; - else if (c == '\t') - *p++ = '\\', *p++ = 't'; - else if (c == '\n') - *p++ = '\\', *p++ = 'n'; - else if (c == '\r') - *p++ = '\\', *p++ = 'r'; - else if (c < ' ' || c >= 0x7f) { - *p++ = '\\'; - *p++ = 'x'; - *p++ = hexdigits[(c & 0xf0) >> 4]; - *p++ = hexdigits[c & 0xf]; - } - else - *p++ = c; - } - assert(newsize - (p - PyUnicode_AS_UNICODE(v)) >= 1); - *p++ = quote; - *p = '\0'; - if (PyUnicode_Resize(&v, (p - PyUnicode_AS_UNICODE(v)))) { - Py_DECREF(v); - return NULL; - } - return v; - } + static const char *hexdigits = "0123456789abcdef"; + register PyBytesObject* op = (PyBytesObject*) obj; + Py_ssize_t length = Py_SIZE(op); + size_t newsize = 3 + 4 * length; + PyObject *v; + if (newsize > PY_SSIZE_T_MAX || (newsize-3) / 4 != length) { + PyErr_SetString(PyExc_OverflowError, + "bytes object is too large to make repr"); + return NULL; + } + v = PyUnicode_FromUnicode(NULL, newsize); + if (v == NULL) { + return NULL; + } + else { + register Py_ssize_t i; + register Py_UNICODE c; + register Py_UNICODE *p = PyUnicode_AS_UNICODE(v); + int quote; + + /* Figure out which quote to use; single is preferred */ + quote = '\''; + if (smartquotes) { + char *test, *start; + start = PyBytes_AS_STRING(op); + for (test = start; test < start+length; ++test) { + if (*test == '"') { + quote = '\''; /* back to single */ + goto decided; + } + else if (*test == '\'') + quote = '"'; + } + decided: + ; + } + + *p++ = 'b', *p++ = quote; + for (i = 0; i < length; i++) { + /* There's at least enough room for a hex escape + and a closing quote. */ + assert(newsize - (p - PyUnicode_AS_UNICODE(v)) >= 5); + c = op->ob_sval[i]; + if (c == quote || c == '\\') + *p++ = '\\', *p++ = c; + else if (c == '\t') + *p++ = '\\', *p++ = 't'; + else if (c == '\n') + *p++ = '\\', *p++ = 'n'; + else if (c == '\r') + *p++ = '\\', *p++ = 'r'; + else if (c < ' ' || c >= 0x7f) { + *p++ = '\\'; + *p++ = 'x'; + *p++ = hexdigits[(c & 0xf0) >> 4]; + *p++ = hexdigits[c & 0xf]; + } + else + *p++ = c; + } + assert(newsize - (p - PyUnicode_AS_UNICODE(v)) >= 1); + *p++ = quote; + *p = '\0'; + if (PyUnicode_Resize(&v, (p - PyUnicode_AS_UNICODE(v)))) { + Py_DECREF(v); + return NULL; + } + return v; + } } static PyObject * bytes_repr(PyObject *op) { - return PyBytes_Repr(op, 1); + return PyBytes_Repr(op, 1); } static PyObject * bytes_str(PyObject *op) { - if (Py_BytesWarningFlag) { - if (PyErr_WarnEx(PyExc_BytesWarning, - "str() on a bytes instance", 1)) - return NULL; - } - return bytes_repr(op); + if (Py_BytesWarningFlag) { + if (PyErr_WarnEx(PyExc_BytesWarning, + "str() on a bytes instance", 1)) + return NULL; + } + return bytes_repr(op); } static Py_ssize_t bytes_length(PyBytesObject *a) { - return Py_SIZE(a); + return Py_SIZE(a); } /* This is also used by PyBytes_Concat() */ static PyObject * bytes_concat(PyObject *a, PyObject *b) { - Py_ssize_t size; - Py_buffer va, vb; - PyObject *result = NULL; - - va.len = -1; - vb.len = -1; - if (_getbuffer(a, &va) < 0 || - _getbuffer(b, &vb) < 0) { - PyErr_Format(PyExc_TypeError, "can't concat %.100s to %.100s", - Py_TYPE(a)->tp_name, Py_TYPE(b)->tp_name); - goto done; - } - - /* Optimize end cases */ - if (va.len == 0 && PyBytes_CheckExact(b)) { - result = b; - Py_INCREF(result); - goto done; - } - if (vb.len == 0 && PyBytes_CheckExact(a)) { - result = a; - Py_INCREF(result); - goto done; - } - - size = va.len + vb.len; - if (size < 0) { - PyErr_NoMemory(); - goto done; - } - - result = PyBytes_FromStringAndSize(NULL, size); - if (result != NULL) { - memcpy(PyBytes_AS_STRING(result), va.buf, va.len); - memcpy(PyBytes_AS_STRING(result) + va.len, vb.buf, vb.len); - } + Py_ssize_t size; + Py_buffer va, vb; + PyObject *result = NULL; + + va.len = -1; + vb.len = -1; + if (_getbuffer(a, &va) < 0 || + _getbuffer(b, &vb) < 0) { + PyErr_Format(PyExc_TypeError, "can't concat %.100s to %.100s", + Py_TYPE(a)->tp_name, Py_TYPE(b)->tp_name); + goto done; + } + + /* Optimize end cases */ + if (va.len == 0 && PyBytes_CheckExact(b)) { + result = b; + Py_INCREF(result); + goto done; + } + if (vb.len == 0 && PyBytes_CheckExact(a)) { + result = a; + Py_INCREF(result); + goto done; + } + + size = va.len + vb.len; + if (size < 0) { + PyErr_NoMemory(); + goto done; + } + + result = PyBytes_FromStringAndSize(NULL, size); + if (result != NULL) { + memcpy(PyBytes_AS_STRING(result), va.buf, va.len); + memcpy(PyBytes_AS_STRING(result) + va.len, vb.buf, vb.len); + } done: - if (va.len != -1) - PyBuffer_Release(&va); - if (vb.len != -1) - PyBuffer_Release(&vb); - return result; + if (va.len != -1) + PyBuffer_Release(&va); + if (vb.len != -1) + PyBuffer_Release(&vb); + return result; } static PyObject * bytes_repeat(register PyBytesObject *a, register Py_ssize_t n) { - register Py_ssize_t i; - register Py_ssize_t j; - register Py_ssize_t size; - register PyBytesObject *op; - size_t nbytes; - if (n < 0) - n = 0; - /* watch out for overflows: the size can overflow int, - * and the # of bytes needed can overflow size_t - */ - size = Py_SIZE(a) * n; - if (n && size / n != Py_SIZE(a)) { - PyErr_SetString(PyExc_OverflowError, - "repeated bytes are too long"); - return NULL; - } - if (size == Py_SIZE(a) && PyBytes_CheckExact(a)) { - Py_INCREF(a); - return (PyObject *)a; - } - nbytes = (size_t)size; - if (nbytes + PyBytesObject_SIZE <= nbytes) { - PyErr_SetString(PyExc_OverflowError, - "repeated bytes are too long"); - return NULL; - } - op = (PyBytesObject *)PyObject_MALLOC(PyBytesObject_SIZE + nbytes); - if (op == NULL) - return PyErr_NoMemory(); - PyObject_INIT_VAR(op, &PyBytes_Type, size); - op->ob_shash = -1; - op->ob_sval[size] = '\0'; - if (Py_SIZE(a) == 1 && n > 0) { - memset(op->ob_sval, a->ob_sval[0] , n); - return (PyObject *) op; - } - i = 0; - if (i < size) { - Py_MEMCPY(op->ob_sval, a->ob_sval, Py_SIZE(a)); - i = Py_SIZE(a); - } - while (i < size) { - j = (i <= size-i) ? i : size-i; - Py_MEMCPY(op->ob_sval+i, op->ob_sval, j); - i += j; - } - return (PyObject *) op; + register Py_ssize_t i; + register Py_ssize_t j; + register Py_ssize_t size; + register PyBytesObject *op; + size_t nbytes; + if (n < 0) + n = 0; + /* watch out for overflows: the size can overflow int, + * and the # of bytes needed can overflow size_t + */ + size = Py_SIZE(a) * n; + if (n && size / n != Py_SIZE(a)) { + PyErr_SetString(PyExc_OverflowError, + "repeated bytes are too long"); + return NULL; + } + if (size == Py_SIZE(a) && PyBytes_CheckExact(a)) { + Py_INCREF(a); + return (PyObject *)a; + } + nbytes = (size_t)size; + if (nbytes + PyBytesObject_SIZE <= nbytes) { + PyErr_SetString(PyExc_OverflowError, + "repeated bytes are too long"); + return NULL; + } + op = (PyBytesObject *)PyObject_MALLOC(PyBytesObject_SIZE + nbytes); + if (op == NULL) + return PyErr_NoMemory(); + PyObject_INIT_VAR(op, &PyBytes_Type, size); + op->ob_shash = -1; + op->ob_sval[size] = '\0'; + if (Py_SIZE(a) == 1 && n > 0) { + memset(op->ob_sval, a->ob_sval[0] , n); + return (PyObject *) op; + } + i = 0; + if (i < size) { + Py_MEMCPY(op->ob_sval, a->ob_sval, Py_SIZE(a)); + i = Py_SIZE(a); + } + while (i < size) { + j = (i <= size-i) ? i : size-i; + Py_MEMCPY(op->ob_sval+i, op->ob_sval, j); + i += j; + } + return (PyObject *) op; } static int @@ -776,19 +776,19 @@ bytes_contains(PyObject *self, PyObject *arg) { Py_ssize_t ival = PyNumber_AsSsize_t(arg, PyExc_ValueError); if (ival == -1 && PyErr_Occurred()) { - Py_buffer varg; - int pos; - PyErr_Clear(); - if (_getbuffer(arg, &varg) < 0) - return -1; - pos = stringlib_find(PyBytes_AS_STRING(self), Py_SIZE(self), - varg.buf, varg.len, 0); - PyBuffer_Release(&varg); - return pos >= 0; + Py_buffer varg; + int pos; + PyErr_Clear(); + if (_getbuffer(arg, &varg) < 0) + return -1; + pos = stringlib_find(PyBytes_AS_STRING(self), Py_SIZE(self), + varg.buf, varg.len, 0); + PyBuffer_Release(&varg); + return pos >= 0; } if (ival < 0 || ival >= 256) { - PyErr_SetString(PyExc_ValueError, "byte must be in range(0, 256)"); - return -1; + PyErr_SetString(PyExc_ValueError, "byte must be in range(0, 256)"); + return -1; } return memchr(PyBytes_AS_STRING(self), ival, Py_SIZE(self)) != NULL; @@ -797,197 +797,197 @@ bytes_contains(PyObject *self, PyObject *arg) static PyObject * bytes_item(PyBytesObject *a, register Py_ssize_t i) { - if (i < 0 || i >= Py_SIZE(a)) { - PyErr_SetString(PyExc_IndexError, "index out of range"); - return NULL; - } - return PyLong_FromLong((unsigned char)a->ob_sval[i]); + if (i < 0 || i >= Py_SIZE(a)) { + PyErr_SetString(PyExc_IndexError, "index out of range"); + return NULL; + } + return PyLong_FromLong((unsigned char)a->ob_sval[i]); } static PyObject* bytes_richcompare(PyBytesObject *a, PyBytesObject *b, int op) { - int c; - Py_ssize_t len_a, len_b; - Py_ssize_t min_len; - PyObject *result; - - /* Make sure both arguments are strings. */ - if (!(PyBytes_Check(a) && PyBytes_Check(b))) { - if (Py_BytesWarningFlag && (op == Py_EQ || op == Py_NE) && - (PyObject_IsInstance((PyObject*)a, - (PyObject*)&PyUnicode_Type) || - PyObject_IsInstance((PyObject*)b, - (PyObject*)&PyUnicode_Type))) { - if (PyErr_WarnEx(PyExc_BytesWarning, - "Comparison between bytes and string", 1)) - return NULL; - } - result = Py_NotImplemented; - goto out; - } - if (a == b) { - switch (op) { - case Py_EQ:case Py_LE:case Py_GE: - result = Py_True; - goto out; - case Py_NE:case Py_LT:case Py_GT: - result = Py_False; - goto out; - } - } - if (op == Py_EQ) { - /* Supporting Py_NE here as well does not save - much time, since Py_NE is rarely used. */ - if (Py_SIZE(a) == Py_SIZE(b) - && (a->ob_sval[0] == b->ob_sval[0] - && memcmp(a->ob_sval, b->ob_sval, Py_SIZE(a)) == 0)) { - result = Py_True; - } else { - result = Py_False; - } - goto out; - } - len_a = Py_SIZE(a); len_b = Py_SIZE(b); - min_len = (len_a < len_b) ? len_a : len_b; - if (min_len > 0) { - c = Py_CHARMASK(*a->ob_sval) - Py_CHARMASK(*b->ob_sval); - if (c==0) - c = memcmp(a->ob_sval, b->ob_sval, min_len); - } else - c = 0; - if (c == 0) - c = (len_a < len_b) ? -1 : (len_a > len_b) ? 1 : 0; - switch (op) { - case Py_LT: c = c < 0; break; - case Py_LE: c = c <= 0; break; - case Py_EQ: assert(0); break; /* unreachable */ - case Py_NE: c = c != 0; break; - case Py_GT: c = c > 0; break; - case Py_GE: c = c >= 0; break; - default: - result = Py_NotImplemented; - goto out; - } - result = c ? Py_True : Py_False; + int c; + Py_ssize_t len_a, len_b; + Py_ssize_t min_len; + PyObject *result; + + /* Make sure both arguments are strings. */ + if (!(PyBytes_Check(a) && PyBytes_Check(b))) { + if (Py_BytesWarningFlag && (op == Py_EQ || op == Py_NE) && + (PyObject_IsInstance((PyObject*)a, + (PyObject*)&PyUnicode_Type) || + PyObject_IsInstance((PyObject*)b, + (PyObject*)&PyUnicode_Type))) { + if (PyErr_WarnEx(PyExc_BytesWarning, + "Comparison between bytes and string", 1)) + return NULL; + } + result = Py_NotImplemented; + goto out; + } + if (a == b) { + switch (op) { + case Py_EQ:case Py_LE:case Py_GE: + result = Py_True; + goto out; + case Py_NE:case Py_LT:case Py_GT: + result = Py_False; + goto out; + } + } + if (op == Py_EQ) { + /* Supporting Py_NE here as well does not save + much time, since Py_NE is rarely used. */ + if (Py_SIZE(a) == Py_SIZE(b) + && (a->ob_sval[0] == b->ob_sval[0] + && memcmp(a->ob_sval, b->ob_sval, Py_SIZE(a)) == 0)) { + result = Py_True; + } else { + result = Py_False; + } + goto out; + } + len_a = Py_SIZE(a); len_b = Py_SIZE(b); + min_len = (len_a < len_b) ? len_a : len_b; + if (min_len > 0) { + c = Py_CHARMASK(*a->ob_sval) - Py_CHARMASK(*b->ob_sval); + if (c==0) + c = memcmp(a->ob_sval, b->ob_sval, min_len); + } else + c = 0; + if (c == 0) + c = (len_a < len_b) ? -1 : (len_a > len_b) ? 1 : 0; + switch (op) { + case Py_LT: c = c < 0; break; + case Py_LE: c = c <= 0; break; + case Py_EQ: assert(0); break; /* unreachable */ + case Py_NE: c = c != 0; break; + case Py_GT: c = c > 0; break; + case Py_GE: c = c >= 0; break; + default: + result = Py_NotImplemented; + goto out; + } + result = c ? Py_True : Py_False; out: - Py_INCREF(result); - return result; + Py_INCREF(result); + return result; } static long bytes_hash(PyBytesObject *a) { - register Py_ssize_t len; - register unsigned char *p; - register long x; + register Py_ssize_t len; + register unsigned char *p; + register long x; - if (a->ob_shash != -1) - return a->ob_shash; - len = Py_SIZE(a); - p = (unsigned char *) a->ob_sval; - x = *p << 7; - while (--len >= 0) - x = (1000003*x) ^ *p++; - x ^= Py_SIZE(a); - if (x == -1) - x = -2; - a->ob_shash = x; - return x; + if (a->ob_shash != -1) + return a->ob_shash; + len = Py_SIZE(a); + p = (unsigned char *) a->ob_sval; + x = *p << 7; + while (--len >= 0) + x = (1000003*x) ^ *p++; + x ^= Py_SIZE(a); + if (x == -1) + x = -2; + a->ob_shash = x; + return x; } static PyObject* bytes_subscript(PyBytesObject* self, PyObject* item) { - if (PyIndex_Check(item)) { - Py_ssize_t i = PyNumber_AsSsize_t(item, PyExc_IndexError); - if (i == -1 && PyErr_Occurred()) - return NULL; - if (i < 0) - i += PyBytes_GET_SIZE(self); - if (i < 0 || i >= PyBytes_GET_SIZE(self)) { - PyErr_SetString(PyExc_IndexError, - "index out of range"); - return NULL; - } - return PyLong_FromLong((unsigned char)self->ob_sval[i]); - } - else if (PySlice_Check(item)) { - Py_ssize_t start, stop, step, slicelength, cur, i; - char* source_buf; - char* result_buf; - PyObject* result; - - if (PySlice_GetIndicesEx((PySliceObject*)item, - PyBytes_GET_SIZE(self), - &start, &stop, &step, &slicelength) < 0) { - return NULL; - } - - if (slicelength <= 0) { - return PyBytes_FromStringAndSize("", 0); - } - else if (start == 0 && step == 1 && - slicelength == PyBytes_GET_SIZE(self) && - PyBytes_CheckExact(self)) { - Py_INCREF(self); - return (PyObject *)self; - } - else if (step == 1) { - return PyBytes_FromStringAndSize( - PyBytes_AS_STRING(self) + start, - slicelength); - } - else { - source_buf = PyBytes_AS_STRING(self); - result = PyBytes_FromStringAndSize(NULL, slicelength); - if (result == NULL) - return NULL; - - result_buf = PyBytes_AS_STRING(result); - for (cur = start, i = 0; i < slicelength; - cur += step, i++) { - result_buf[i] = source_buf[cur]; - } - - return result; - } - } - else { - PyErr_Format(PyExc_TypeError, - "byte indices must be integers, not %.200s", - Py_TYPE(item)->tp_name); - return NULL; - } + if (PyIndex_Check(item)) { + Py_ssize_t i = PyNumber_AsSsize_t(item, PyExc_IndexError); + if (i == -1 && PyErr_Occurred()) + return NULL; + if (i < 0) + i += PyBytes_GET_SIZE(self); + if (i < 0 || i >= PyBytes_GET_SIZE(self)) { + PyErr_SetString(PyExc_IndexError, + "index out of range"); + return NULL; + } + return PyLong_FromLong((unsigned char)self->ob_sval[i]); + } + else if (PySlice_Check(item)) { + Py_ssize_t start, stop, step, slicelength, cur, i; + char* source_buf; + char* result_buf; + PyObject* result; + + if (PySlice_GetIndicesEx((PySliceObject*)item, + PyBytes_GET_SIZE(self), + &start, &stop, &step, &slicelength) < 0) { + return NULL; + } + + if (slicelength <= 0) { + return PyBytes_FromStringAndSize("", 0); + } + else if (start == 0 && step == 1 && + slicelength == PyBytes_GET_SIZE(self) && + PyBytes_CheckExact(self)) { + Py_INCREF(self); + return (PyObject *)self; + } + else if (step == 1) { + return PyBytes_FromStringAndSize( + PyBytes_AS_STRING(self) + start, + slicelength); + } + else { + source_buf = PyBytes_AS_STRING(self); + result = PyBytes_FromStringAndSize(NULL, slicelength); + if (result == NULL) + return NULL; + + result_buf = PyBytes_AS_STRING(result); + for (cur = start, i = 0; i < slicelength; + cur += step, i++) { + result_buf[i] = source_buf[cur]; + } + + return result; + } + } + else { + PyErr_Format(PyExc_TypeError, + "byte indices must be integers, not %.200s", + Py_TYPE(item)->tp_name); + return NULL; + } } static int bytes_buffer_getbuffer(PyBytesObject *self, Py_buffer *view, int flags) { - return PyBuffer_FillInfo(view, (PyObject*)self, (void *)self->ob_sval, Py_SIZE(self), - 1, flags); + return PyBuffer_FillInfo(view, (PyObject*)self, (void *)self->ob_sval, Py_SIZE(self), + 1, flags); } static PySequenceMethods bytes_as_sequence = { - (lenfunc)bytes_length, /*sq_length*/ - (binaryfunc)bytes_concat, /*sq_concat*/ - (ssizeargfunc)bytes_repeat, /*sq_repeat*/ - (ssizeargfunc)bytes_item, /*sq_item*/ - 0, /*sq_slice*/ - 0, /*sq_ass_item*/ - 0, /*sq_ass_slice*/ - (objobjproc)bytes_contains /*sq_contains*/ + (lenfunc)bytes_length, /*sq_length*/ + (binaryfunc)bytes_concat, /*sq_concat*/ + (ssizeargfunc)bytes_repeat, /*sq_repeat*/ + (ssizeargfunc)bytes_item, /*sq_item*/ + 0, /*sq_slice*/ + 0, /*sq_ass_item*/ + 0, /*sq_ass_slice*/ + (objobjproc)bytes_contains /*sq_contains*/ }; static PyMappingMethods bytes_as_mapping = { - (lenfunc)bytes_length, - (binaryfunc)bytes_subscript, - 0, + (lenfunc)bytes_length, + (binaryfunc)bytes_subscript, + 0, }; static PyBufferProcs bytes_as_buffer = { - (getbufferproc)bytes_buffer_getbuffer, - NULL, + (getbufferproc)bytes_buffer_getbuffer, + NULL, }; @@ -1011,26 +1011,26 @@ If maxsplit is given, at most maxsplit splits are done."); static PyObject * bytes_split(PyBytesObject *self, PyObject *args) { - Py_ssize_t len = PyBytes_GET_SIZE(self), n; - Py_ssize_t maxsplit = -1; - const char *s = PyBytes_AS_STRING(self), *sub; - Py_buffer vsub; - PyObject *list, *subobj = Py_None; + Py_ssize_t len = PyBytes_GET_SIZE(self), n; + Py_ssize_t maxsplit = -1; + const char *s = PyBytes_AS_STRING(self), *sub; + Py_buffer vsub; + PyObject *list, *subobj = Py_None; - if (!PyArg_ParseTuple(args, "|On:split", &subobj, &maxsplit)) - return NULL; - if (maxsplit < 0) - maxsplit = PY_SSIZE_T_MAX; - if (subobj == Py_None) - return stringlib_split_whitespace((PyObject*) self, s, len, maxsplit); - if (_getbuffer(subobj, &vsub) < 0) - return NULL; - sub = vsub.buf; - n = vsub.len; + if (!PyArg_ParseTuple(args, "|On:split", &subobj, &maxsplit)) + return NULL; + if (maxsplit < 0) + maxsplit = PY_SSIZE_T_MAX; + if (subobj == Py_None) + return stringlib_split_whitespace((PyObject*) self, s, len, maxsplit); + if (_getbuffer(subobj, &vsub) < 0) + return NULL; + sub = vsub.buf; + n = vsub.len; - list = stringlib_split((PyObject*) self, s, len, sub, n, maxsplit); - PyBuffer_Release(&vsub); - return list; + list = stringlib_split((PyObject*) self, s, len, sub, n, maxsplit); + PyBuffer_Release(&vsub); + return list; } PyDoc_STRVAR(partition__doc__, @@ -1043,21 +1043,21 @@ found, returns B and two empty bytes objects."); static PyObject * bytes_partition(PyBytesObject *self, PyObject *sep_obj) { - const char *sep; - Py_ssize_t sep_len; + const char *sep; + Py_ssize_t sep_len; - if (PyBytes_Check(sep_obj)) { - sep = PyBytes_AS_STRING(sep_obj); - sep_len = PyBytes_GET_SIZE(sep_obj); - } - else if (PyObject_AsCharBuffer(sep_obj, &sep, &sep_len)) - return NULL; + if (PyBytes_Check(sep_obj)) { + sep = PyBytes_AS_STRING(sep_obj); + sep_len = PyBytes_GET_SIZE(sep_obj); + } + else if (PyObject_AsCharBuffer(sep_obj, &sep, &sep_len)) + return NULL; - return stringlib_partition( - (PyObject*) self, - PyBytes_AS_STRING(self), PyBytes_GET_SIZE(self), - sep_obj, sep, sep_len - ); + return stringlib_partition( + (PyObject*) self, + PyBytes_AS_STRING(self), PyBytes_GET_SIZE(self), + sep_obj, sep, sep_len + ); } PyDoc_STRVAR(rpartition__doc__, @@ -1071,21 +1071,21 @@ bytes objects and B."); static PyObject * bytes_rpartition(PyBytesObject *self, PyObject *sep_obj) { - const char *sep; - Py_ssize_t sep_len; + const char *sep; + Py_ssize_t sep_len; - if (PyBytes_Check(sep_obj)) { - sep = PyBytes_AS_STRING(sep_obj); - sep_len = PyBytes_GET_SIZE(sep_obj); - } - else if (PyObject_AsCharBuffer(sep_obj, &sep, &sep_len)) - return NULL; + if (PyBytes_Check(sep_obj)) { + sep = PyBytes_AS_STRING(sep_obj); + sep_len = PyBytes_GET_SIZE(sep_obj); + } + else if (PyObject_AsCharBuffer(sep_obj, &sep, &sep_len)) + return NULL; - return stringlib_rpartition( - (PyObject*) self, - PyBytes_AS_STRING(self), PyBytes_GET_SIZE(self), - sep_obj, sep, sep_len - ); + return stringlib_rpartition( + (PyObject*) self, + PyBytes_AS_STRING(self), PyBytes_GET_SIZE(self), + sep_obj, sep, sep_len + ); } PyDoc_STRVAR(rsplit__doc__, @@ -1101,26 +1101,26 @@ If maxsplit is given, at most maxsplit splits are done."); static PyObject * bytes_rsplit(PyBytesObject *self, PyObject *args) { - Py_ssize_t len = PyBytes_GET_SIZE(self), n; - Py_ssize_t maxsplit = -1; - const char *s = PyBytes_AS_STRING(self), *sub; - Py_buffer vsub; - PyObject *list, *subobj = Py_None; + Py_ssize_t len = PyBytes_GET_SIZE(self), n; + Py_ssize_t maxsplit = -1; + const char *s = PyBytes_AS_STRING(self), *sub; + Py_buffer vsub; + PyObject *list, *subobj = Py_None; - if (!PyArg_ParseTuple(args, "|On:rsplit", &subobj, &maxsplit)) - return NULL; - if (maxsplit < 0) - maxsplit = PY_SSIZE_T_MAX; - if (subobj == Py_None) - return stringlib_rsplit_whitespace((PyObject*) self, s, len, maxsplit); - if (_getbuffer(subobj, &vsub) < 0) - return NULL; - sub = vsub.buf; - n = vsub.len; + if (!PyArg_ParseTuple(args, "|On:rsplit", &subobj, &maxsplit)) + return NULL; + if (maxsplit < 0) + maxsplit = PY_SSIZE_T_MAX; + if (subobj == Py_None) + return stringlib_rsplit_whitespace((PyObject*) self, s, len, maxsplit); + if (_getbuffer(subobj, &vsub) < 0) + return NULL; + sub = vsub.buf; + n = vsub.len; - list = stringlib_rsplit((PyObject*) self, s, len, sub, n, maxsplit); - PyBuffer_Release(&vsub); - return list; + list = stringlib_rsplit((PyObject*) self, s, len, sub, n, maxsplit); + PyBuffer_Release(&vsub); + return list; } @@ -1133,156 +1133,156 @@ Example: b'.'.join([b'ab', b'pq', b'rs']) -> b'ab.pq.rs'."); static PyObject * bytes_join(PyObject *self, PyObject *orig) { - char *sep = PyBytes_AS_STRING(self); - const Py_ssize_t seplen = PyBytes_GET_SIZE(self); - PyObject *res = NULL; - char *p; - Py_ssize_t seqlen = 0; - size_t sz = 0; - Py_ssize_t i; - PyObject *seq, *item; - - seq = PySequence_Fast(orig, ""); - if (seq == NULL) { - return NULL; - } - - seqlen = PySequence_Size(seq); - if (seqlen == 0) { - Py_DECREF(seq); - return PyBytes_FromString(""); - } - if (seqlen == 1) { - item = PySequence_Fast_GET_ITEM(seq, 0); - if (PyBytes_CheckExact(item)) { - Py_INCREF(item); - Py_DECREF(seq); - return item; - } - } - - /* There are at least two things to join, or else we have a subclass - * of the builtin types in the sequence. - * Do a pre-pass to figure out the total amount of space we'll - * need (sz), and see whether all argument are bytes. - */ - /* XXX Shouldn't we use _getbuffer() on these items instead? */ - for (i = 0; i < seqlen; i++) { - const size_t old_sz = sz; - item = PySequence_Fast_GET_ITEM(seq, i); - if (!PyBytes_Check(item) && !PyByteArray_Check(item)) { - PyErr_Format(PyExc_TypeError, - "sequence item %zd: expected bytes," - " %.80s found", - i, Py_TYPE(item)->tp_name); - Py_DECREF(seq); - return NULL; - } - sz += Py_SIZE(item); - if (i != 0) - sz += seplen; - if (sz < old_sz || sz > PY_SSIZE_T_MAX) { - PyErr_SetString(PyExc_OverflowError, - "join() result is too long for bytes"); - Py_DECREF(seq); - return NULL; - } - } - - /* Allocate result space. */ - res = PyBytes_FromStringAndSize((char*)NULL, sz); - if (res == NULL) { - Py_DECREF(seq); - return NULL; - } - - /* Catenate everything. */ - /* I'm not worried about a PyByteArray item growing because there's - nowhere in this function where we release the GIL. */ - p = PyBytes_AS_STRING(res); - for (i = 0; i < seqlen; ++i) { - size_t n; - char *q; - if (i) { - Py_MEMCPY(p, sep, seplen); - p += seplen; - } - item = PySequence_Fast_GET_ITEM(seq, i); - n = Py_SIZE(item); - if (PyBytes_Check(item)) - q = PyBytes_AS_STRING(item); - else - q = PyByteArray_AS_STRING(item); - Py_MEMCPY(p, q, n); - p += n; - } - - Py_DECREF(seq); - return res; + char *sep = PyBytes_AS_STRING(self); + const Py_ssize_t seplen = PyBytes_GET_SIZE(self); + PyObject *res = NULL; + char *p; + Py_ssize_t seqlen = 0; + size_t sz = 0; + Py_ssize_t i; + PyObject *seq, *item; + + seq = PySequence_Fast(orig, ""); + if (seq == NULL) { + return NULL; + } + + seqlen = PySequence_Size(seq); + if (seqlen == 0) { + Py_DECREF(seq); + return PyBytes_FromString(""); + } + if (seqlen == 1) { + item = PySequence_Fast_GET_ITEM(seq, 0); + if (PyBytes_CheckExact(item)) { + Py_INCREF(item); + Py_DECREF(seq); + return item; + } + } + + /* There are at least two things to join, or else we have a subclass + * of the builtin types in the sequence. + * Do a pre-pass to figure out the total amount of space we'll + * need (sz), and see whether all argument are bytes. + */ + /* XXX Shouldn't we use _getbuffer() on these items instead? */ + for (i = 0; i < seqlen; i++) { + const size_t old_sz = sz; + item = PySequence_Fast_GET_ITEM(seq, i); + if (!PyBytes_Check(item) && !PyByteArray_Check(item)) { + PyErr_Format(PyExc_TypeError, + "sequence item %zd: expected bytes," + " %.80s found", + i, Py_TYPE(item)->tp_name); + Py_DECREF(seq); + return NULL; + } + sz += Py_SIZE(item); + if (i != 0) + sz += seplen; + if (sz < old_sz || sz > PY_SSIZE_T_MAX) { + PyErr_SetString(PyExc_OverflowError, + "join() result is too long for bytes"); + Py_DECREF(seq); + return NULL; + } + } + + /* Allocate result space. */ + res = PyBytes_FromStringAndSize((char*)NULL, sz); + if (res == NULL) { + Py_DECREF(seq); + return NULL; + } + + /* Catenate everything. */ + /* I'm not worried about a PyByteArray item growing because there's + nowhere in this function where we release the GIL. */ + p = PyBytes_AS_STRING(res); + for (i = 0; i < seqlen; ++i) { + size_t n; + char *q; + if (i) { + Py_MEMCPY(p, sep, seplen); + p += seplen; + } + item = PySequence_Fast_GET_ITEM(seq, i); + n = Py_SIZE(item); + if (PyBytes_Check(item)) + q = PyBytes_AS_STRING(item); + else + q = PyByteArray_AS_STRING(item); + Py_MEMCPY(p, q, n); + p += n; + } + + Py_DECREF(seq); + return res; } PyObject * _PyBytes_Join(PyObject *sep, PyObject *x) { - assert(sep != NULL && PyBytes_Check(sep)); - assert(x != NULL); - return bytes_join(sep, x); + assert(sep != NULL && PyBytes_Check(sep)); + assert(x != NULL); + return bytes_join(sep, x); } /* helper macro to fixup start/end slice values */ #define ADJUST_INDICES(start, end, len) \ - if (end > len) \ - end = len; \ - else if (end < 0) { \ - end += len; \ - if (end < 0) \ - end = 0; \ - } \ - if (start < 0) { \ - start += len; \ - if (start < 0) \ - start = 0; \ - } + if (end > len) \ + end = len; \ + else if (end < 0) { \ + end += len; \ + if (end < 0) \ + end = 0; \ + } \ + if (start < 0) { \ + start += len; \ + if (start < 0) \ + start = 0; \ + } Py_LOCAL_INLINE(Py_ssize_t) bytes_find_internal(PyBytesObject *self, PyObject *args, int dir) { - PyObject *subobj; - const char *sub; - Py_ssize_t sub_len; - Py_ssize_t start=0, end=PY_SSIZE_T_MAX; - PyObject *obj_start=Py_None, *obj_end=Py_None; - - if (!PyArg_ParseTuple(args, "O|OO:find/rfind/index/rindex", &subobj, - &obj_start, &obj_end)) - return -2; - /* To support None in "start" and "end" arguments, meaning - the same as if they were not passed. - */ - if (obj_start != Py_None) - if (!_PyEval_SliceIndex(obj_start, &start)) - return -2; - if (obj_end != Py_None) - if (!_PyEval_SliceIndex(obj_end, &end)) - return -2; - - if (PyBytes_Check(subobj)) { - sub = PyBytes_AS_STRING(subobj); - sub_len = PyBytes_GET_SIZE(subobj); - } - else if (PyObject_AsCharBuffer(subobj, &sub, &sub_len)) - /* XXX - the "expected a character buffer object" is pretty - confusing for a non-expert. remap to something else ? */ - return -2; - - if (dir > 0) - return stringlib_find_slice( - PyBytes_AS_STRING(self), PyBytes_GET_SIZE(self), - sub, sub_len, start, end); - else - return stringlib_rfind_slice( - PyBytes_AS_STRING(self), PyBytes_GET_SIZE(self), - sub, sub_len, start, end); + PyObject *subobj; + const char *sub; + Py_ssize_t sub_len; + Py_ssize_t start=0, end=PY_SSIZE_T_MAX; + PyObject *obj_start=Py_None, *obj_end=Py_None; + + if (!PyArg_ParseTuple(args, "O|OO:find/rfind/index/rindex", &subobj, + &obj_start, &obj_end)) + return -2; + /* To support None in "start" and "end" arguments, meaning + the same as if they were not passed. + */ + if (obj_start != Py_None) + if (!_PyEval_SliceIndex(obj_start, &start)) + return -2; + if (obj_end != Py_None) + if (!_PyEval_SliceIndex(obj_end, &end)) + return -2; + + if (PyBytes_Check(subobj)) { + sub = PyBytes_AS_STRING(subobj); + sub_len = PyBytes_GET_SIZE(subobj); + } + else if (PyObject_AsCharBuffer(subobj, &sub, &sub_len)) + /* XXX - the "expected a character buffer object" is pretty + confusing for a non-expert. remap to something else ? */ + return -2; + + if (dir > 0) + return stringlib_find_slice( + PyBytes_AS_STRING(self), PyBytes_GET_SIZE(self), + sub, sub_len, start, end); + else + return stringlib_rfind_slice( + PyBytes_AS_STRING(self), PyBytes_GET_SIZE(self), + sub, sub_len, start, end); } @@ -1298,10 +1298,10 @@ Return -1 on failure."); static PyObject * bytes_find(PyBytesObject *self, PyObject *args) { - Py_ssize_t result = bytes_find_internal(self, args, +1); - if (result == -2) - return NULL; - return PyLong_FromSsize_t(result); + Py_ssize_t result = bytes_find_internal(self, args, +1); + if (result == -2) + return NULL; + return PyLong_FromSsize_t(result); } @@ -1313,15 +1313,15 @@ Like B.find() but raise ValueError when the substring is not found."); static PyObject * bytes_index(PyBytesObject *self, PyObject *args) { - Py_ssize_t result = bytes_find_internal(self, args, +1); - if (result == -2) - return NULL; - if (result == -1) { - PyErr_SetString(PyExc_ValueError, - "substring not found"); - return NULL; - } - return PyLong_FromSsize_t(result); + Py_ssize_t result = bytes_find_internal(self, args, +1); + if (result == -2) + return NULL; + if (result == -1) { + PyErr_SetString(PyExc_ValueError, + "substring not found"); + return NULL; + } + return PyLong_FromSsize_t(result); } @@ -1337,10 +1337,10 @@ Return -1 on failure."); static PyObject * bytes_rfind(PyBytesObject *self, PyObject *args) { - Py_ssize_t result = bytes_find_internal(self, args, -1); - if (result == -2) - return NULL; - return PyLong_FromSsize_t(result); + Py_ssize_t result = bytes_find_internal(self, args, -1); + if (result == -2) + return NULL; + return PyLong_FromSsize_t(result); } @@ -1352,101 +1352,101 @@ Like B.rfind() but raise ValueError when the substring is not found."); static PyObject * bytes_rindex(PyBytesObject *self, PyObject *args) { - Py_ssize_t result = bytes_find_internal(self, args, -1); - if (result == -2) - return NULL; - if (result == -1) { - PyErr_SetString(PyExc_ValueError, - "substring not found"); - return NULL; - } - return PyLong_FromSsize_t(result); + Py_ssize_t result = bytes_find_internal(self, args, -1); + if (result == -2) + return NULL; + if (result == -1) { + PyErr_SetString(PyExc_ValueError, + "substring not found"); + return NULL; + } + return PyLong_FromSsize_t(result); } Py_LOCAL_INLINE(PyObject *) do_xstrip(PyBytesObject *self, int striptype, PyObject *sepobj) { - Py_buffer vsep; - char *s = PyBytes_AS_STRING(self); - Py_ssize_t len = PyBytes_GET_SIZE(self); - char *sep; - Py_ssize_t seplen; - Py_ssize_t i, j; - - if (_getbuffer(sepobj, &vsep) < 0) - return NULL; - sep = vsep.buf; - seplen = vsep.len; + Py_buffer vsep; + char *s = PyBytes_AS_STRING(self); + Py_ssize_t len = PyBytes_GET_SIZE(self); + char *sep; + Py_ssize_t seplen; + Py_ssize_t i, j; - i = 0; - if (striptype != RIGHTSTRIP) { - while (i < len && memchr(sep, Py_CHARMASK(s[i]), seplen)) { - i++; - } - } + if (_getbuffer(sepobj, &vsep) < 0) + return NULL; + sep = vsep.buf; + seplen = vsep.len; + + i = 0; + if (striptype != RIGHTSTRIP) { + while (i < len && memchr(sep, Py_CHARMASK(s[i]), seplen)) { + i++; + } + } - j = len; - if (striptype != LEFTSTRIP) { - do { - j--; - } while (j >= i && memchr(sep, Py_CHARMASK(s[j]), seplen)); - j++; - } + j = len; + if (striptype != LEFTSTRIP) { + do { + j--; + } while (j >= i && memchr(sep, Py_CHARMASK(s[j]), seplen)); + j++; + } - PyBuffer_Release(&vsep); + PyBuffer_Release(&vsep); - if (i == 0 && j == len && PyBytes_CheckExact(self)) { - Py_INCREF(self); - return (PyObject*)self; - } - else - return PyBytes_FromStringAndSize(s+i, j-i); + if (i == 0 && j == len && PyBytes_CheckExact(self)) { + Py_INCREF(self); + return (PyObject*)self; + } + else + return PyBytes_FromStringAndSize(s+i, j-i); } Py_LOCAL_INLINE(PyObject *) do_strip(PyBytesObject *self, int striptype) { - char *s = PyBytes_AS_STRING(self); - Py_ssize_t len = PyBytes_GET_SIZE(self), i, j; + char *s = PyBytes_AS_STRING(self); + Py_ssize_t len = PyBytes_GET_SIZE(self), i, j; - i = 0; - if (striptype != RIGHTSTRIP) { - while (i < len && ISSPACE(s[i])) { - i++; - } - } + i = 0; + if (striptype != RIGHTSTRIP) { + while (i < len && ISSPACE(s[i])) { + i++; + } + } - j = len; - if (striptype != LEFTSTRIP) { - do { - j--; - } while (j >= i && ISSPACE(s[j])); - j++; - } + j = len; + if (striptype != LEFTSTRIP) { + do { + j--; + } while (j >= i && ISSPACE(s[j])); + j++; + } - if (i == 0 && j == len && PyBytes_CheckExact(self)) { - Py_INCREF(self); - return (PyObject*)self; - } - else - return PyBytes_FromStringAndSize(s+i, j-i); + if (i == 0 && j == len && PyBytes_CheckExact(self)) { + Py_INCREF(self); + return (PyObject*)self; + } + else + return PyBytes_FromStringAndSize(s+i, j-i); } Py_LOCAL_INLINE(PyObject *) do_argstrip(PyBytesObject *self, int striptype, PyObject *args) { - PyObject *sep = NULL; + PyObject *sep = NULL; - if (!PyArg_ParseTuple(args, (char *)stripformat[striptype], &sep)) - return NULL; + if (!PyArg_ParseTuple(args, (char *)stripformat[striptype], &sep)) + return NULL; - if (sep != NULL && sep != Py_None) { - return do_xstrip(self, striptype, sep); - } - return do_strip(self, striptype); + if (sep != NULL && sep != Py_None) { + return do_xstrip(self, striptype, sep); + } + return do_strip(self, striptype); } @@ -1458,10 +1458,10 @@ If the argument is omitted, strip trailing ASCII whitespace."); static PyObject * bytes_strip(PyBytesObject *self, PyObject *args) { - if (PyTuple_GET_SIZE(args) == 0) - return do_strip(self, BOTHSTRIP); /* Common case */ - else - return do_argstrip(self, BOTHSTRIP, args); + if (PyTuple_GET_SIZE(args) == 0) + return do_strip(self, BOTHSTRIP); /* Common case */ + else + return do_argstrip(self, BOTHSTRIP, args); } @@ -1473,10 +1473,10 @@ If the argument is omitted, strip leading ASCII whitespace."); static PyObject * bytes_lstrip(PyBytesObject *self, PyObject *args) { - if (PyTuple_GET_SIZE(args) == 0) - return do_strip(self, LEFTSTRIP); /* Common case */ - else - return do_argstrip(self, LEFTSTRIP, args); + if (PyTuple_GET_SIZE(args) == 0) + return do_strip(self, LEFTSTRIP); /* Common case */ + else + return do_argstrip(self, LEFTSTRIP, args); } @@ -1488,10 +1488,10 @@ If the argument is omitted, strip trailing ASCII whitespace."); static PyObject * bytes_rstrip(PyBytesObject *self, PyObject *args) { - if (PyTuple_GET_SIZE(args) == 0) - return do_strip(self, RIGHTSTRIP); /* Common case */ - else - return do_argstrip(self, RIGHTSTRIP, args); + if (PyTuple_GET_SIZE(args) == 0) + return do_strip(self, RIGHTSTRIP); /* Common case */ + else + return do_argstrip(self, RIGHTSTRIP, args); } @@ -1505,27 +1505,27 @@ as in slice notation."); static PyObject * bytes_count(PyBytesObject *self, PyObject *args) { - PyObject *sub_obj; - const char *str = PyBytes_AS_STRING(self), *sub; - Py_ssize_t sub_len; - Py_ssize_t start = 0, end = PY_SSIZE_T_MAX; + PyObject *sub_obj; + const char *str = PyBytes_AS_STRING(self), *sub; + Py_ssize_t sub_len; + Py_ssize_t start = 0, end = PY_SSIZE_T_MAX; - if (!PyArg_ParseTuple(args, "O|O&O&:count", &sub_obj, - _PyEval_SliceIndex, &start, _PyEval_SliceIndex, &end)) - return NULL; + if (!PyArg_ParseTuple(args, "O|O&O&:count", &sub_obj, + _PyEval_SliceIndex, &start, _PyEval_SliceIndex, &end)) + return NULL; - if (PyBytes_Check(sub_obj)) { - sub = PyBytes_AS_STRING(sub_obj); - sub_len = PyBytes_GET_SIZE(sub_obj); - } - else if (PyObject_AsCharBuffer(sub_obj, &sub, &sub_len)) - return NULL; + if (PyBytes_Check(sub_obj)) { + sub = PyBytes_AS_STRING(sub_obj); + sub_len = PyBytes_GET_SIZE(sub_obj); + } + else if (PyObject_AsCharBuffer(sub_obj, &sub, &sub_len)) + return NULL; - ADJUST_INDICES(start, end, PyBytes_GET_SIZE(self)); + ADJUST_INDICES(start, end, PyBytes_GET_SIZE(self)); - return PyLong_FromSsize_t( - stringlib_count(str + start, end - start, sub, sub_len, PY_SSIZE_T_MAX) - ); + return PyLong_FromSsize_t( + stringlib_count(str + start, end - start, sub, sub_len, PY_SSIZE_T_MAX) + ); } @@ -1540,110 +1540,110 @@ table, which must be a bytes object of length 256."); static PyObject * bytes_translate(PyBytesObject *self, PyObject *args) { - register char *input, *output; - const char *table; - register Py_ssize_t i, c, changed = 0; - PyObject *input_obj = (PyObject*)self; - const char *output_start, *del_table=NULL; - Py_ssize_t inlen, tablen, dellen = 0; - PyObject *result; - int trans_table[256]; - PyObject *tableobj, *delobj = NULL; - - if (!PyArg_UnpackTuple(args, "translate", 1, 2, - &tableobj, &delobj)) - return NULL; - - if (PyBytes_Check(tableobj)) { - table = PyBytes_AS_STRING(tableobj); - tablen = PyBytes_GET_SIZE(tableobj); - } - else if (tableobj == Py_None) { - table = NULL; - tablen = 256; - } - else if (PyObject_AsCharBuffer(tableobj, &table, &tablen)) - return NULL; - - if (tablen != 256) { - PyErr_SetString(PyExc_ValueError, - "translation table must be 256 characters long"); - return NULL; - } - - if (delobj != NULL) { - if (PyBytes_Check(delobj)) { - del_table = PyBytes_AS_STRING(delobj); - dellen = PyBytes_GET_SIZE(delobj); - } - else if (PyObject_AsCharBuffer(delobj, &del_table, &dellen)) - return NULL; - } - else { - del_table = NULL; - dellen = 0; - } - - inlen = PyBytes_GET_SIZE(input_obj); - result = PyBytes_FromStringAndSize((char *)NULL, inlen); - if (result == NULL) - return NULL; - output_start = output = PyBytes_AsString(result); - input = PyBytes_AS_STRING(input_obj); - - if (dellen == 0 && table != NULL) { - /* If no deletions are required, use faster code */ - for (i = inlen; --i >= 0; ) { - c = Py_CHARMASK(*input++); - if (Py_CHARMASK((*output++ = table[c])) != c) - changed = 1; - } - if (changed || !PyBytes_CheckExact(input_obj)) - return result; - Py_DECREF(result); - Py_INCREF(input_obj); - return input_obj; - } - - if (table == NULL) { - for (i = 0; i < 256; i++) - trans_table[i] = Py_CHARMASK(i); - } else { - for (i = 0; i < 256; i++) - trans_table[i] = Py_CHARMASK(table[i]); - } - - for (i = 0; i < dellen; i++) - trans_table[(int) Py_CHARMASK(del_table[i])] = -1; - - for (i = inlen; --i >= 0; ) { - c = Py_CHARMASK(*input++); - if (trans_table[c] != -1) - if (Py_CHARMASK(*output++ = (char)trans_table[c]) == c) - continue; - changed = 1; - } - if (!changed && PyBytes_CheckExact(input_obj)) { - Py_DECREF(result); - Py_INCREF(input_obj); - return input_obj; - } - /* Fix the size of the resulting string */ - if (inlen > 0) - _PyBytes_Resize(&result, output - output_start); - return result; + register char *input, *output; + const char *table; + register Py_ssize_t i, c, changed = 0; + PyObject *input_obj = (PyObject*)self; + const char *output_start, *del_table=NULL; + Py_ssize_t inlen, tablen, dellen = 0; + PyObject *result; + int trans_table[256]; + PyObject *tableobj, *delobj = NULL; + + if (!PyArg_UnpackTuple(args, "translate", 1, 2, + &tableobj, &delobj)) + return NULL; + + if (PyBytes_Check(tableobj)) { + table = PyBytes_AS_STRING(tableobj); + tablen = PyBytes_GET_SIZE(tableobj); + } + else if (tableobj == Py_None) { + table = NULL; + tablen = 256; + } + else if (PyObject_AsCharBuffer(tableobj, &table, &tablen)) + return NULL; + + if (tablen != 256) { + PyErr_SetString(PyExc_ValueError, + "translation table must be 256 characters long"); + return NULL; + } + + if (delobj != NULL) { + if (PyBytes_Check(delobj)) { + del_table = PyBytes_AS_STRING(delobj); + dellen = PyBytes_GET_SIZE(delobj); + } + else if (PyObject_AsCharBuffer(delobj, &del_table, &dellen)) + return NULL; + } + else { + del_table = NULL; + dellen = 0; + } + + inlen = PyBytes_GET_SIZE(input_obj); + result = PyBytes_FromStringAndSize((char *)NULL, inlen); + if (result == NULL) + return NULL; + output_start = output = PyBytes_AsString(result); + input = PyBytes_AS_STRING(input_obj); + + if (dellen == 0 && table != NULL) { + /* If no deletions are required, use faster code */ + for (i = inlen; --i >= 0; ) { + c = Py_CHARMASK(*input++); + if (Py_CHARMASK((*output++ = table[c])) != c) + changed = 1; + } + if (changed || !PyBytes_CheckExact(input_obj)) + return result; + Py_DECREF(result); + Py_INCREF(input_obj); + return input_obj; + } + + if (table == NULL) { + for (i = 0; i < 256; i++) + trans_table[i] = Py_CHARMASK(i); + } else { + for (i = 0; i < 256; i++) + trans_table[i] = Py_CHARMASK(table[i]); + } + + for (i = 0; i < dellen; i++) + trans_table[(int) Py_CHARMASK(del_table[i])] = -1; + + for (i = inlen; --i >= 0; ) { + c = Py_CHARMASK(*input++); + if (trans_table[c] != -1) + if (Py_CHARMASK(*output++ = (char)trans_table[c]) == c) + continue; + changed = 1; + } + if (!changed && PyBytes_CheckExact(input_obj)) { + Py_DECREF(result); + Py_INCREF(input_obj); + return input_obj; + } + /* Fix the size of the resulting string */ + if (inlen > 0) + _PyBytes_Resize(&result, output - output_start); + return result; } static PyObject * bytes_maketrans(PyObject *null, PyObject *args) { - return _Py_bytes_maketrans(args); + return _Py_bytes_maketrans(args); } /* find and count characters and substrings */ -#define findchar(target, target_len, c) \ +#define findchar(target, target_len, c) \ ((char *)memchr((const void *)(target), c, target_len)) /* String ops must return a string. */ @@ -1651,29 +1651,29 @@ bytes_maketrans(PyObject *null, PyObject *args) Py_LOCAL(PyBytesObject *) return_self(PyBytesObject *self) { - if (PyBytes_CheckExact(self)) { - Py_INCREF(self); - return self; - } - return (PyBytesObject *)PyBytes_FromStringAndSize( - PyBytes_AS_STRING(self), - PyBytes_GET_SIZE(self)); + if (PyBytes_CheckExact(self)) { + Py_INCREF(self); + return self; + } + return (PyBytesObject *)PyBytes_FromStringAndSize( + PyBytes_AS_STRING(self), + PyBytes_GET_SIZE(self)); } Py_LOCAL_INLINE(Py_ssize_t) countchar(const char *target, int target_len, char c, Py_ssize_t maxcount) { - Py_ssize_t count=0; - const char *start=target; - const char *end=target+target_len; + Py_ssize_t count=0; + const char *start=target; + const char *end=target+target_len; - while ( (start=findchar(start, end-start, c)) != NULL ) { - count++; - if (count >= maxcount) - break; - start += 1; - } - return count; + while ( (start=findchar(start, end-start, c)) != NULL ) { + count++; + if (count >= maxcount) + break; + start += 1; + } + return count; } @@ -1682,467 +1682,467 @@ countchar(const char *target, int target_len, char c, Py_ssize_t maxcount) /* len(self)>=1, from="", len(to)>=1, maxcount>=1 */ Py_LOCAL(PyBytesObject *) replace_interleave(PyBytesObject *self, - const char *to_s, Py_ssize_t to_len, - Py_ssize_t maxcount) -{ - char *self_s, *result_s; - Py_ssize_t self_len, result_len; - Py_ssize_t count, i, product; - PyBytesObject *result; - - self_len = PyBytes_GET_SIZE(self); - - /* 1 at the end plus 1 after every character */ - count = self_len+1; - if (maxcount < count) - count = maxcount; - - /* Check for overflow */ - /* result_len = count * to_len + self_len; */ - product = count * to_len; - if (product / to_len != count) { - PyErr_SetString(PyExc_OverflowError, - "replacement bytes are too long"); - return NULL; - } - result_len = product + self_len; - if (result_len < 0) { - PyErr_SetString(PyExc_OverflowError, - "replacement bytes are too long"); - return NULL; - } - - if (! (result = (PyBytesObject *) - PyBytes_FromStringAndSize(NULL, result_len)) ) - return NULL; - - self_s = PyBytes_AS_STRING(self); - result_s = PyBytes_AS_STRING(result); - - /* TODO: special case single character, which doesn't need memcpy */ - - /* Lay the first one down (guaranteed this will occur) */ - Py_MEMCPY(result_s, to_s, to_len); - result_s += to_len; - count -= 1; - - for (i=0; i<count; i++) { - *result_s++ = *self_s++; - Py_MEMCPY(result_s, to_s, to_len); - result_s += to_len; - } - - /* Copy the rest of the original string */ - Py_MEMCPY(result_s, self_s, self_len-i); - - return result; + const char *to_s, Py_ssize_t to_len, + Py_ssize_t maxcount) +{ + char *self_s, *result_s; + Py_ssize_t self_len, result_len; + Py_ssize_t count, i, product; + PyBytesObject *result; + + self_len = PyBytes_GET_SIZE(self); + + /* 1 at the end plus 1 after every character */ + count = self_len+1; + if (maxcount < count) + count = maxcount; + + /* Check for overflow */ + /* result_len = count * to_len + self_len; */ + product = count * to_len; + if (product / to_len != count) { + PyErr_SetString(PyExc_OverflowError, + "replacement bytes are too long"); + return NULL; + } + result_len = product + self_len; + if (result_len < 0) { + PyErr_SetString(PyExc_OverflowError, + "replacement bytes are too long"); + return NULL; + } + + if (! (result = (PyBytesObject *) + PyBytes_FromStringAndSize(NULL, result_len)) ) + return NULL; + + self_s = PyBytes_AS_STRING(self); + result_s = PyBytes_AS_STRING(result); + + /* TODO: special case single character, which doesn't need memcpy */ + + /* Lay the first one down (guaranteed this will occur) */ + Py_MEMCPY(result_s, to_s, to_len); + result_s += to_len; + count -= 1; + + for (i=0; i<count; i++) { + *result_s++ = *self_s++; + Py_MEMCPY(result_s, to_s, to_len); + result_s += to_len; + } + + /* Copy the rest of the original string */ + Py_MEMCPY(result_s, self_s, self_len-i); + + return result; } /* Special case for deleting a single character */ /* len(self)>=1, len(from)==1, to="", maxcount>=1 */ Py_LOCAL(PyBytesObject *) replace_delete_single_character(PyBytesObject *self, - char from_c, Py_ssize_t maxcount) + char from_c, Py_ssize_t maxcount) { - char *self_s, *result_s; - char *start, *next, *end; - Py_ssize_t self_len, result_len; - Py_ssize_t count; - PyBytesObject *result; - - self_len = PyBytes_GET_SIZE(self); - self_s = PyBytes_AS_STRING(self); + char *self_s, *result_s; + char *start, *next, *end; + Py_ssize_t self_len, result_len; + Py_ssize_t count; + PyBytesObject *result; - count = countchar(self_s, self_len, from_c, maxcount); - if (count == 0) { - return return_self(self); - } + self_len = PyBytes_GET_SIZE(self); + self_s = PyBytes_AS_STRING(self); - result_len = self_len - count; /* from_len == 1 */ - assert(result_len>=0); + count = countchar(self_s, self_len, from_c, maxcount); + if (count == 0) { + return return_self(self); + } - if ( (result = (PyBytesObject *) - PyBytes_FromStringAndSize(NULL, result_len)) == NULL) - return NULL; - result_s = PyBytes_AS_STRING(result); + result_len = self_len - count; /* from_len == 1 */ + assert(result_len>=0); - start = self_s; - end = self_s + self_len; - while (count-- > 0) { - next = findchar(start, end-start, from_c); - if (next == NULL) - break; - Py_MEMCPY(result_s, start, next-start); - result_s += (next-start); - start = next+1; - } - Py_MEMCPY(result_s, start, end-start); + if ( (result = (PyBytesObject *) + PyBytes_FromStringAndSize(NULL, result_len)) == NULL) + return NULL; + result_s = PyBytes_AS_STRING(result); + + start = self_s; + end = self_s + self_len; + while (count-- > 0) { + next = findchar(start, end-start, from_c); + if (next == NULL) + break; + Py_MEMCPY(result_s, start, next-start); + result_s += (next-start); + start = next+1; + } + Py_MEMCPY(result_s, start, end-start); - return result; + return result; } /* len(self)>=1, len(from)>=2, to="", maxcount>=1 */ Py_LOCAL(PyBytesObject *) replace_delete_substring(PyBytesObject *self, - const char *from_s, Py_ssize_t from_len, - Py_ssize_t maxcount) { - char *self_s, *result_s; - char *start, *next, *end; - Py_ssize_t self_len, result_len; - Py_ssize_t count, offset; - PyBytesObject *result; - - self_len = PyBytes_GET_SIZE(self); - self_s = PyBytes_AS_STRING(self); - - count = stringlib_count(self_s, self_len, - from_s, from_len, - maxcount); - - if (count == 0) { - /* no matches */ - return return_self(self); - } - - result_len = self_len - (count * from_len); - assert (result_len>=0); - - if ( (result = (PyBytesObject *) - PyBytes_FromStringAndSize(NULL, result_len)) == NULL ) - return NULL; - - result_s = PyBytes_AS_STRING(result); - - start = self_s; - end = self_s + self_len; - while (count-- > 0) { - offset = stringlib_find(start, end-start, - from_s, from_len, - 0); - if (offset == -1) - break; - next = start + offset; - - Py_MEMCPY(result_s, start, next-start); - - result_s += (next-start); - start = next+from_len; - } - Py_MEMCPY(result_s, start, end-start); - return result; + const char *from_s, Py_ssize_t from_len, + Py_ssize_t maxcount) { + char *self_s, *result_s; + char *start, *next, *end; + Py_ssize_t self_len, result_len; + Py_ssize_t count, offset; + PyBytesObject *result; + + self_len = PyBytes_GET_SIZE(self); + self_s = PyBytes_AS_STRING(self); + + count = stringlib_count(self_s, self_len, + from_s, from_len, + maxcount); + + if (count == 0) { + /* no matches */ + return return_self(self); + } + + result_len = self_len - (count * from_len); + assert (result_len>=0); + + if ( (result = (PyBytesObject *) + PyBytes_FromStringAndSize(NULL, result_len)) == NULL ) + return NULL; + + result_s = PyBytes_AS_STRING(result); + + start = self_s; + end = self_s + self_len; + while (count-- > 0) { + offset = stringlib_find(start, end-start, + from_s, from_len, + 0); + if (offset == -1) + break; + next = start + offset; + + Py_MEMCPY(result_s, start, next-start); + + result_s += (next-start); + start = next+from_len; + } + Py_MEMCPY(result_s, start, end-start); + return result; } /* len(self)>=1, len(from)==len(to)==1, maxcount>=1 */ Py_LOCAL(PyBytesObject *) replace_single_character_in_place(PyBytesObject *self, - char from_c, char to_c, - Py_ssize_t maxcount) + char from_c, char to_c, + Py_ssize_t maxcount) { - char *self_s, *result_s, *start, *end, *next; - Py_ssize_t self_len; - PyBytesObject *result; + char *self_s, *result_s, *start, *end, *next; + Py_ssize_t self_len; + PyBytesObject *result; - /* The result string will be the same size */ - self_s = PyBytes_AS_STRING(self); - self_len = PyBytes_GET_SIZE(self); + /* The result string will be the same size */ + self_s = PyBytes_AS_STRING(self); + self_len = PyBytes_GET_SIZE(self); - next = findchar(self_s, self_len, from_c); + next = findchar(self_s, self_len, from_c); - if (next == NULL) { - /* No matches; return the original string */ - return return_self(self); - } - - /* Need to make a new string */ - result = (PyBytesObject *) PyBytes_FromStringAndSize(NULL, self_len); - if (result == NULL) - return NULL; - result_s = PyBytes_AS_STRING(result); - Py_MEMCPY(result_s, self_s, self_len); - - /* change everything in-place, starting with this one */ - start = result_s + (next-self_s); - *start = to_c; - start++; - end = result_s + self_len; + if (next == NULL) { + /* No matches; return the original string */ + return return_self(self); + } - while (--maxcount > 0) { - next = findchar(start, end-start, from_c); - if (next == NULL) - break; - *next = to_c; - start = next+1; - } + /* Need to make a new string */ + result = (PyBytesObject *) PyBytes_FromStringAndSize(NULL, self_len); + if (result == NULL) + return NULL; + result_s = PyBytes_AS_STRING(result); + Py_MEMCPY(result_s, self_s, self_len); + + /* change everything in-place, starting with this one */ + start = result_s + (next-self_s); + *start = to_c; + start++; + end = result_s + self_len; + + while (--maxcount > 0) { + next = findchar(start, end-start, from_c); + if (next == NULL) + break; + *next = to_c; + start = next+1; + } - return result; + return result; } /* len(self)>=1, len(from)==len(to)>=2, maxcount>=1 */ Py_LOCAL(PyBytesObject *) replace_substring_in_place(PyBytesObject *self, - const char *from_s, Py_ssize_t from_len, - const char *to_s, Py_ssize_t to_len, - Py_ssize_t maxcount) -{ - char *result_s, *start, *end; - char *self_s; - Py_ssize_t self_len, offset; - PyBytesObject *result; - - /* The result string will be the same size */ - - self_s = PyBytes_AS_STRING(self); - self_len = PyBytes_GET_SIZE(self); - - offset = stringlib_find(self_s, self_len, - from_s, from_len, - 0); - if (offset == -1) { - /* No matches; return the original string */ - return return_self(self); - } - - /* Need to make a new string */ - result = (PyBytesObject *) PyBytes_FromStringAndSize(NULL, self_len); - if (result == NULL) - return NULL; - result_s = PyBytes_AS_STRING(result); - Py_MEMCPY(result_s, self_s, self_len); - - /* change everything in-place, starting with this one */ - start = result_s + offset; - Py_MEMCPY(start, to_s, from_len); - start += from_len; - end = result_s + self_len; - - while ( --maxcount > 0) { - offset = stringlib_find(start, end-start, - from_s, from_len, - 0); - if (offset==-1) - break; - Py_MEMCPY(start+offset, to_s, from_len); - start += offset+from_len; - } - - return result; + const char *from_s, Py_ssize_t from_len, + const char *to_s, Py_ssize_t to_len, + Py_ssize_t maxcount) +{ + char *result_s, *start, *end; + char *self_s; + Py_ssize_t self_len, offset; + PyBytesObject *result; + + /* The result string will be the same size */ + + self_s = PyBytes_AS_STRING(self); + self_len = PyBytes_GET_SIZE(self); + + offset = stringlib_find(self_s, self_len, + from_s, from_len, + 0); + if (offset == -1) { + /* No matches; return the original string */ + return return_self(self); + } + + /* Need to make a new string */ + result = (PyBytesObject *) PyBytes_FromStringAndSize(NULL, self_len); + if (result == NULL) + return NULL; + result_s = PyBytes_AS_STRING(result); + Py_MEMCPY(result_s, self_s, self_len); + + /* change everything in-place, starting with this one */ + start = result_s + offset; + Py_MEMCPY(start, to_s, from_len); + start += from_len; + end = result_s + self_len; + + while ( --maxcount > 0) { + offset = stringlib_find(start, end-start, + from_s, from_len, + 0); + if (offset==-1) + break; + Py_MEMCPY(start+offset, to_s, from_len); + start += offset+from_len; + } + + return result; } /* len(self)>=1, len(from)==1, len(to)>=2, maxcount>=1 */ Py_LOCAL(PyBytesObject *) replace_single_character(PyBytesObject *self, - char from_c, - const char *to_s, Py_ssize_t to_len, - Py_ssize_t maxcount) -{ - char *self_s, *result_s; - char *start, *next, *end; - Py_ssize_t self_len, result_len; - Py_ssize_t count, product; - PyBytesObject *result; - - self_s = PyBytes_AS_STRING(self); - self_len = PyBytes_GET_SIZE(self); - - count = countchar(self_s, self_len, from_c, maxcount); - if (count == 0) { - /* no matches, return unchanged */ - return return_self(self); - } - - /* use the difference between current and new, hence the "-1" */ - /* result_len = self_len + count * (to_len-1) */ - product = count * (to_len-1); - if (product / (to_len-1) != count) { - PyErr_SetString(PyExc_OverflowError, - "replacement bytes are too long"); - return NULL; - } - result_len = self_len + product; - if (result_len < 0) { - PyErr_SetString(PyExc_OverflowError, - "replacment bytes are too long"); - return NULL; - } - - if ( (result = (PyBytesObject *) - PyBytes_FromStringAndSize(NULL, result_len)) == NULL) - return NULL; - result_s = PyBytes_AS_STRING(result); - - start = self_s; - end = self_s + self_len; - while (count-- > 0) { - next = findchar(start, end-start, from_c); - if (next == NULL) - break; - - if (next == start) { - /* replace with the 'to' */ - Py_MEMCPY(result_s, to_s, to_len); - result_s += to_len; - start += 1; - } else { - /* copy the unchanged old then the 'to' */ - Py_MEMCPY(result_s, start, next-start); - result_s += (next-start); - Py_MEMCPY(result_s, to_s, to_len); - result_s += to_len; - start = next+1; - } - } - /* Copy the remainder of the remaining string */ - Py_MEMCPY(result_s, start, end-start); - - return result; + char from_c, + const char *to_s, Py_ssize_t to_len, + Py_ssize_t maxcount) +{ + char *self_s, *result_s; + char *start, *next, *end; + Py_ssize_t self_len, result_len; + Py_ssize_t count, product; + PyBytesObject *result; + + self_s = PyBytes_AS_STRING(self); + self_len = PyBytes_GET_SIZE(self); + + count = countchar(self_s, self_len, from_c, maxcount); + if (count == 0) { + /* no matches, return unchanged */ + return return_self(self); + } + + /* use the difference between current and new, hence the "-1" */ + /* result_len = self_len + count * (to_len-1) */ + product = count * (to_len-1); + if (product / (to_len-1) != count) { + PyErr_SetString(PyExc_OverflowError, + "replacement bytes are too long"); + return NULL; + } + result_len = self_len + product; + if (result_len < 0) { + PyErr_SetString(PyExc_OverflowError, + "replacment bytes are too long"); + return NULL; + } + + if ( (result = (PyBytesObject *) + PyBytes_FromStringAndSize(NULL, result_len)) == NULL) + return NULL; + result_s = PyBytes_AS_STRING(result); + + start = self_s; + end = self_s + self_len; + while (count-- > 0) { + next = findchar(start, end-start, from_c); + if (next == NULL) + break; + + if (next == start) { + /* replace with the 'to' */ + Py_MEMCPY(result_s, to_s, to_len); + result_s += to_len; + start += 1; + } else { + /* copy the unchanged old then the 'to' */ + Py_MEMCPY(result_s, start, next-start); + result_s += (next-start); + Py_MEMCPY(result_s, to_s, to_len); + result_s += to_len; + start = next+1; + } + } + /* Copy the remainder of the remaining string */ + Py_MEMCPY(result_s, start, end-start); + + return result; } /* len(self)>=1, len(from)>=2, len(to)>=2, maxcount>=1 */ Py_LOCAL(PyBytesObject *) replace_substring(PyBytesObject *self, - const char *from_s, Py_ssize_t from_len, - const char *to_s, Py_ssize_t to_len, - Py_ssize_t maxcount) { - char *self_s, *result_s; - char *start, *next, *end; - Py_ssize_t self_len, result_len; - Py_ssize_t count, offset, product; - PyBytesObject *result; - - self_s = PyBytes_AS_STRING(self); - self_len = PyBytes_GET_SIZE(self); - - count = stringlib_count(self_s, self_len, - from_s, from_len, - maxcount); - - if (count == 0) { - /* no matches, return unchanged */ - return return_self(self); - } - - /* Check for overflow */ - /* result_len = self_len + count * (to_len-from_len) */ - product = count * (to_len-from_len); - if (product / (to_len-from_len) != count) { - PyErr_SetString(PyExc_OverflowError, - "replacement bytes are too long"); - return NULL; - } - result_len = self_len + product; - if (result_len < 0) { - PyErr_SetString(PyExc_OverflowError, - "replacement bytes are too long"); - return NULL; - } - - if ( (result = (PyBytesObject *) - PyBytes_FromStringAndSize(NULL, result_len)) == NULL) - return NULL; - result_s = PyBytes_AS_STRING(result); - - start = self_s; - end = self_s + self_len; - while (count-- > 0) { - offset = stringlib_find(start, end-start, - from_s, from_len, - 0); - if (offset == -1) - break; - next = start+offset; - if (next == start) { - /* replace with the 'to' */ - Py_MEMCPY(result_s, to_s, to_len); - result_s += to_len; - start += from_len; - } else { - /* copy the unchanged old then the 'to' */ - Py_MEMCPY(result_s, start, next-start); - result_s += (next-start); - Py_MEMCPY(result_s, to_s, to_len); - result_s += to_len; - start = next+from_len; - } - } - /* Copy the remainder of the remaining string */ - Py_MEMCPY(result_s, start, end-start); - - return result; + const char *from_s, Py_ssize_t from_len, + const char *to_s, Py_ssize_t to_len, + Py_ssize_t maxcount) { + char *self_s, *result_s; + char *start, *next, *end; + Py_ssize_t self_len, result_len; + Py_ssize_t count, offset, product; + PyBytesObject *result; + + self_s = PyBytes_AS_STRING(self); + self_len = PyBytes_GET_SIZE(self); + + count = stringlib_count(self_s, self_len, + from_s, from_len, + maxcount); + + if (count == 0) { + /* no matches, return unchanged */ + return return_self(self); + } + + /* Check for overflow */ + /* result_len = self_len + count * (to_len-from_len) */ + product = count * (to_len-from_len); + if (product / (to_len-from_len) != count) { + PyErr_SetString(PyExc_OverflowError, + "replacement bytes are too long"); + return NULL; + } + result_len = self_len + product; + if (result_len < 0) { + PyErr_SetString(PyExc_OverflowError, + "replacement bytes are too long"); + return NULL; + } + + if ( (result = (PyBytesObject *) + PyBytes_FromStringAndSize(NULL, result_len)) == NULL) + return NULL; + result_s = PyBytes_AS_STRING(result); + + start = self_s; + end = self_s + self_len; + while (count-- > 0) { + offset = stringlib_find(start, end-start, + from_s, from_len, + 0); + if (offset == -1) + break; + next = start+offset; + if (next == start) { + /* replace with the 'to' */ + Py_MEMCPY(result_s, to_s, to_len); + result_s += to_len; + start += from_len; + } else { + /* copy the unchanged old then the 'to' */ + Py_MEMCPY(result_s, start, next-start); + result_s += (next-start); + Py_MEMCPY(result_s, to_s, to_len); + result_s += to_len; + start = next+from_len; + } + } + /* Copy the remainder of the remaining string */ + Py_MEMCPY(result_s, start, end-start); + + return result; } Py_LOCAL(PyBytesObject *) replace(PyBytesObject *self, - const char *from_s, Py_ssize_t from_len, - const char *to_s, Py_ssize_t to_len, - Py_ssize_t maxcount) -{ - if (maxcount < 0) { - maxcount = PY_SSIZE_T_MAX; - } else if (maxcount == 0 || PyBytes_GET_SIZE(self) == 0) { - /* nothing to do; return the original string */ - return return_self(self); - } - - if (maxcount == 0 || - (from_len == 0 && to_len == 0)) { - /* nothing to do; return the original string */ - return return_self(self); - } - - /* Handle zero-length special cases */ - - if (from_len == 0) { - /* insert the 'to' string everywhere. */ - /* >>> "Python".replace("", ".") */ - /* '.P.y.t.h.o.n.' */ - return replace_interleave(self, to_s, to_len, maxcount); - } - - /* Except for "".replace("", "A") == "A" there is no way beyond this */ - /* point for an empty self string to generate a non-empty string */ - /* Special case so the remaining code always gets a non-empty string */ - if (PyBytes_GET_SIZE(self) == 0) { - return return_self(self); - } - - if (to_len == 0) { - /* delete all occurrences of 'from' string */ - if (from_len == 1) { - return replace_delete_single_character( - self, from_s[0], maxcount); - } else { - return replace_delete_substring(self, from_s, - from_len, maxcount); - } - } - - /* Handle special case where both strings have the same length */ - - if (from_len == to_len) { - if (from_len == 1) { - return replace_single_character_in_place( - self, - from_s[0], - to_s[0], - maxcount); - } else { - return replace_substring_in_place( - self, from_s, from_len, to_s, to_len, - maxcount); - } - } - - /* Otherwise use the more generic algorithms */ - if (from_len == 1) { - return replace_single_character(self, from_s[0], - to_s, to_len, maxcount); - } else { - /* len('from')>=2, len('to')>=1 */ - return replace_substring(self, from_s, from_len, to_s, to_len, - maxcount); - } + const char *from_s, Py_ssize_t from_len, + const char *to_s, Py_ssize_t to_len, + Py_ssize_t maxcount) +{ + if (maxcount < 0) { + maxcount = PY_SSIZE_T_MAX; + } else if (maxcount == 0 || PyBytes_GET_SIZE(self) == 0) { + /* nothing to do; return the original string */ + return return_self(self); + } + + if (maxcount == 0 || + (from_len == 0 && to_len == 0)) { + /* nothing to do; return the original string */ + return return_self(self); + } + + /* Handle zero-length special cases */ + + if (from_len == 0) { + /* insert the 'to' string everywhere. */ + /* >>> "Python".replace("", ".") */ + /* '.P.y.t.h.o.n.' */ + return replace_interleave(self, to_s, to_len, maxcount); + } + + /* Except for "".replace("", "A") == "A" there is no way beyond this */ + /* point for an empty self string to generate a non-empty string */ + /* Special case so the remaining code always gets a non-empty string */ + if (PyBytes_GET_SIZE(self) == 0) { + return return_self(self); + } + + if (to_len == 0) { + /* delete all occurrences of 'from' string */ + if (from_len == 1) { + return replace_delete_single_character( + self, from_s[0], maxcount); + } else { + return replace_delete_substring(self, from_s, + from_len, maxcount); + } + } + + /* Handle special case where both strings have the same length */ + + if (from_len == to_len) { + if (from_len == 1) { + return replace_single_character_in_place( + self, + from_s[0], + to_s[0], + maxcount); + } else { + return replace_substring_in_place( + self, from_s, from_len, to_s, to_len, + maxcount); + } + } + + /* Otherwise use the more generic algorithms */ + if (from_len == 1) { + return replace_single_character(self, from_s[0], + to_s, to_len, maxcount); + } else { + /* len('from')>=2, len('to')>=1 */ + return replace_substring(self, from_s, from_len, to_s, to_len, + maxcount); + } } PyDoc_STRVAR(replace__doc__, @@ -2155,31 +2155,31 @@ given, only the first count occurrences are replaced."); static PyObject * bytes_replace(PyBytesObject *self, PyObject *args) { - Py_ssize_t count = -1; - PyObject *from, *to; - const char *from_s, *to_s; - Py_ssize_t from_len, to_len; + Py_ssize_t count = -1; + PyObject *from, *to; + const char *from_s, *to_s; + Py_ssize_t from_len, to_len; - if (!PyArg_ParseTuple(args, "OO|n:replace", &from, &to, &count)) - return NULL; + if (!PyArg_ParseTuple(args, "OO|n:replace", &from, &to, &count)) + return NULL; - if (PyBytes_Check(from)) { - from_s = PyBytes_AS_STRING(from); - from_len = PyBytes_GET_SIZE(from); - } - else if (PyObject_AsCharBuffer(from, &from_s, &from_len)) - return NULL; + if (PyBytes_Check(from)) { + from_s = PyBytes_AS_STRING(from); + from_len = PyBytes_GET_SIZE(from); + } + else if (PyObject_AsCharBuffer(from, &from_s, &from_len)) + return NULL; - if (PyBytes_Check(to)) { - to_s = PyBytes_AS_STRING(to); - to_len = PyBytes_GET_SIZE(to); - } - else if (PyObject_AsCharBuffer(to, &to_s, &to_len)) - return NULL; + if (PyBytes_Check(to)) { + to_s = PyBytes_AS_STRING(to); + to_len = PyBytes_GET_SIZE(to); + } + else if (PyObject_AsCharBuffer(to, &to_s, &to_len)) + return NULL; - return (PyObject *)replace((PyBytesObject *) self, - from_s, from_len, - to_s, to_len, count); + return (PyObject *)replace((PyBytesObject *) self, + from_s, from_len, + to_s, to_len, count); } /** End DALKE **/ @@ -2190,38 +2190,38 @@ bytes_replace(PyBytesObject *self, PyObject *args) */ Py_LOCAL(int) _bytes_tailmatch(PyBytesObject *self, PyObject *substr, Py_ssize_t start, - Py_ssize_t end, int direction) + Py_ssize_t end, int direction) { - Py_ssize_t len = PyBytes_GET_SIZE(self); - Py_ssize_t slen; - const char* sub; - const char* str; + Py_ssize_t len = PyBytes_GET_SIZE(self); + Py_ssize_t slen; + const char* sub; + const char* str; - if (PyBytes_Check(substr)) { - sub = PyBytes_AS_STRING(substr); - slen = PyBytes_GET_SIZE(substr); - } - else if (PyObject_AsCharBuffer(substr, &sub, &slen)) - return -1; - str = PyBytes_AS_STRING(self); + if (PyBytes_Check(substr)) { + sub = PyBytes_AS_STRING(substr); + slen = PyBytes_GET_SIZE(substr); + } + else if (PyObject_AsCharBuffer(substr, &sub, &slen)) + return -1; + str = PyBytes_AS_STRING(self); - ADJUST_INDICES(start, end, len); + ADJUST_INDICES(start, end, len); - if (direction < 0) { - /* startswith */ - if (start+slen > len) - return 0; - } else { - /* endswith */ - if (end-start < slen || start > len) - return 0; + if (direction < 0) { + /* startswith */ + if (start+slen > len) + return 0; + } else { + /* endswith */ + if (end-start < slen || start > len) + return 0; - if (end-slen > start) - start = end - slen; - } - if (end-start >= slen) - return ! memcmp(str+start, sub, slen); - return 0; + if (end-slen > start) + start = end - slen; + } + if (end-start >= slen) + return ! memcmp(str+start, sub, slen); + return 0; } @@ -2236,33 +2236,33 @@ prefix can also be a tuple of bytes to try."); static PyObject * bytes_startswith(PyBytesObject *self, PyObject *args) { - Py_ssize_t start = 0; - Py_ssize_t end = PY_SSIZE_T_MAX; - PyObject *subobj; - int result; - - if (!PyArg_ParseTuple(args, "O|O&O&:startswith", &subobj, - _PyEval_SliceIndex, &start, _PyEval_SliceIndex, &end)) - return NULL; - if (PyTuple_Check(subobj)) { - Py_ssize_t i; - for (i = 0; i < PyTuple_GET_SIZE(subobj); i++) { - result = _bytes_tailmatch(self, - PyTuple_GET_ITEM(subobj, i), - start, end, -1); - if (result == -1) - return NULL; - else if (result) { - Py_RETURN_TRUE; - } - } - Py_RETURN_FALSE; - } - result = _bytes_tailmatch(self, subobj, start, end, -1); - if (result == -1) - return NULL; - else - return PyBool_FromLong(result); + Py_ssize_t start = 0; + Py_ssize_t end = PY_SSIZE_T_MAX; + PyObject *subobj; + int result; + + if (!PyArg_ParseTuple(args, "O|O&O&:startswith", &subobj, + _PyEval_SliceIndex, &start, _PyEval_SliceIndex, &end)) + return NULL; + if (PyTuple_Check(subobj)) { + Py_ssize_t i; + for (i = 0; i < PyTuple_GET_SIZE(subobj); i++) { + result = _bytes_tailmatch(self, + PyTuple_GET_ITEM(subobj, i), + start, end, -1); + if (result == -1) + return NULL; + else if (result) { + Py_RETURN_TRUE; + } + } + Py_RETURN_FALSE; + } + result = _bytes_tailmatch(self, subobj, start, end, -1); + if (result == -1) + return NULL; + else + return PyBool_FromLong(result); } @@ -2277,33 +2277,33 @@ suffix can also be a tuple of bytes to try."); static PyObject * bytes_endswith(PyBytesObject *self, PyObject *args) { - Py_ssize_t start = 0; - Py_ssize_t end = PY_SSIZE_T_MAX; - PyObject *subobj; - int result; - - if (!PyArg_ParseTuple(args, "O|O&O&:endswith", &subobj, - _PyEval_SliceIndex, &start, _PyEval_SliceIndex, &end)) - return NULL; - if (PyTuple_Check(subobj)) { - Py_ssize_t i; - for (i = 0; i < PyTuple_GET_SIZE(subobj); i++) { - result = _bytes_tailmatch(self, - PyTuple_GET_ITEM(subobj, i), - start, end, +1); - if (result == -1) - return NULL; - else if (result) { - Py_RETURN_TRUE; - } - } - Py_RETURN_FALSE; - } - result = _bytes_tailmatch(self, subobj, start, end, +1); - if (result == -1) - return NULL; - else - return PyBool_FromLong(result); + Py_ssize_t start = 0; + Py_ssize_t end = PY_SSIZE_T_MAX; + PyObject *subobj; + int result; + + if (!PyArg_ParseTuple(args, "O|O&O&:endswith", &subobj, + _PyEval_SliceIndex, &start, _PyEval_SliceIndex, &end)) + return NULL; + if (PyTuple_Check(subobj)) { + Py_ssize_t i; + for (i = 0; i < PyTuple_GET_SIZE(subobj); i++) { + result = _bytes_tailmatch(self, + PyTuple_GET_ITEM(subobj, i), + start, end, +1); + if (result == -1) + return NULL; + else if (result) { + Py_RETURN_TRUE; + } + } + Py_RETURN_FALSE; + } + result = _bytes_tailmatch(self, subobj, start, end, +1); + if (result == -1) + return NULL; + else + return PyBool_FromLong(result); } @@ -2320,15 +2320,15 @@ able to handle UnicodeDecodeErrors."); static PyObject * bytes_decode(PyObject *self, PyObject *args, PyObject *kwargs) { - const char *encoding = NULL; - const char *errors = NULL; - static char *kwlist[] = {"encoding", "errors", 0}; + const char *encoding = NULL; + const char *errors = NULL; + static char *kwlist[] = {"encoding", "errors", 0}; - if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|ss:decode", kwlist, &encoding, &errors)) - return NULL; - if (encoding == NULL) - encoding = PyUnicode_GetDefaultEncoding(); - return PyUnicode_FromEncodedObject(self, encoding, errors); + if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|ss:decode", kwlist, &encoding, &errors)) + return NULL; + if (encoding == NULL) + encoding = PyUnicode_GetDefaultEncoding(); + return PyUnicode_FromEncodedObject(self, encoding, errors); } @@ -2345,12 +2345,12 @@ bytes_splitlines(PyObject *self, PyObject *args) int keepends = 0; if (!PyArg_ParseTuple(args, "|i:splitlines", &keepends)) - return NULL; + return NULL; return stringlib_splitlines( - (PyObject*) self, PyBytes_AS_STRING(self), - PyBytes_GET_SIZE(self), keepends - ); + (PyObject*) self, PyBytes_AS_STRING(self), + PyBytes_GET_SIZE(self), keepends + ); } @@ -2364,61 +2364,61 @@ Example: bytes.fromhex('B9 01EF') -> b'\\xb9\\x01\\xef'."); static int hex_digit_to_int(Py_UNICODE c) { - if (c >= 128) - return -1; - if (ISDIGIT(c)) - return c - '0'; - else { - if (ISUPPER(c)) - c = TOLOWER(c); - if (c >= 'a' && c <= 'f') - return c - 'a' + 10; - } - return -1; + if (c >= 128) + return -1; + if (ISDIGIT(c)) + return c - '0'; + else { + if (ISUPPER(c)) + c = TOLOWER(c); + if (c >= 'a' && c <= 'f') + return c - 'a' + 10; + } + return -1; } static PyObject * bytes_fromhex(PyObject *cls, PyObject *args) { - PyObject *newstring, *hexobj; - char *buf; - Py_UNICODE *hex; - Py_ssize_t hexlen, byteslen, i, j; - int top, bot; - - if (!PyArg_ParseTuple(args, "U:fromhex", &hexobj)) - return NULL; - assert(PyUnicode_Check(hexobj)); - hexlen = PyUnicode_GET_SIZE(hexobj); - hex = PyUnicode_AS_UNICODE(hexobj); - byteslen = hexlen/2; /* This overestimates if there are spaces */ - newstring = PyBytes_FromStringAndSize(NULL, byteslen); - if (!newstring) - return NULL; - buf = PyBytes_AS_STRING(newstring); - for (i = j = 0; i < hexlen; i += 2) { - /* skip over spaces in the input */ - while (hex[i] == ' ') - i++; - if (i >= hexlen) - break; - top = hex_digit_to_int(hex[i]); - bot = hex_digit_to_int(hex[i+1]); - if (top == -1 || bot == -1) { - PyErr_Format(PyExc_ValueError, - "non-hexadecimal number found in " - "fromhex() arg at position %zd", i); - goto error; - } - buf[j++] = (top << 4) + bot; - } - if (j != byteslen && _PyBytes_Resize(&newstring, j) < 0) - goto error; - return newstring; + PyObject *newstring, *hexobj; + char *buf; + Py_UNICODE *hex; + Py_ssize_t hexlen, byteslen, i, j; + int top, bot; + + if (!PyArg_ParseTuple(args, "U:fromhex", &hexobj)) + return NULL; + assert(PyUnicode_Check(hexobj)); + hexlen = PyUnicode_GET_SIZE(hexobj); + hex = PyUnicode_AS_UNICODE(hexobj); + byteslen = hexlen/2; /* This overestimates if there are spaces */ + newstring = PyBytes_FromStringAndSize(NULL, byteslen); + if (!newstring) + return NULL; + buf = PyBytes_AS_STRING(newstring); + for (i = j = 0; i < hexlen; i += 2) { + /* skip over spaces in the input */ + while (hex[i] == ' ') + i++; + if (i >= hexlen) + break; + top = hex_digit_to_int(hex[i]); + bot = hex_digit_to_int(hex[i+1]); + if (top == -1 || bot == -1) { + PyErr_Format(PyExc_ValueError, + "non-hexadecimal number found in " + "fromhex() arg at position %zd", i); + goto error; + } + buf[j++] = (top << 4) + bot; + } + if (j != byteslen && _PyBytes_Resize(&newstring, j) < 0) + goto error; + return newstring; error: - Py_XDECREF(newstring); - return NULL; + Py_XDECREF(newstring); + return NULL; } PyDoc_STRVAR(sizeof__doc__, @@ -2427,80 +2427,80 @@ PyDoc_STRVAR(sizeof__doc__, static PyObject * bytes_sizeof(PyBytesObject *v) { - Py_ssize_t res; - res = PyBytesObject_SIZE + Py_SIZE(v) * Py_TYPE(v)->tp_itemsize; - return PyLong_FromSsize_t(res); + Py_ssize_t res; + res = PyBytesObject_SIZE + Py_SIZE(v) * Py_TYPE(v)->tp_itemsize; + return PyLong_FromSsize_t(res); } static PyObject * bytes_getnewargs(PyBytesObject *v) { - return Py_BuildValue("(y#)", v->ob_sval, Py_SIZE(v)); + return Py_BuildValue("(y#)", v->ob_sval, Py_SIZE(v)); } static PyMethodDef bytes_methods[] = { - {"__getnewargs__", (PyCFunction)bytes_getnewargs, METH_NOARGS}, - {"capitalize", (PyCFunction)stringlib_capitalize, METH_NOARGS, - _Py_capitalize__doc__}, - {"center", (PyCFunction)stringlib_center, METH_VARARGS, center__doc__}, - {"count", (PyCFunction)bytes_count, METH_VARARGS, count__doc__}, - {"decode", (PyCFunction)bytes_decode, METH_VARARGS | METH_KEYWORDS, decode__doc__}, - {"endswith", (PyCFunction)bytes_endswith, METH_VARARGS, - endswith__doc__}, - {"expandtabs", (PyCFunction)stringlib_expandtabs, METH_VARARGS, - expandtabs__doc__}, - {"find", (PyCFunction)bytes_find, METH_VARARGS, find__doc__}, - {"fromhex", (PyCFunction)bytes_fromhex, METH_VARARGS|METH_CLASS, - fromhex_doc}, - {"index", (PyCFunction)bytes_index, METH_VARARGS, index__doc__}, - {"isalnum", (PyCFunction)stringlib_isalnum, METH_NOARGS, - _Py_isalnum__doc__}, - {"isalpha", (PyCFunction)stringlib_isalpha, METH_NOARGS, - _Py_isalpha__doc__}, - {"isdigit", (PyCFunction)stringlib_isdigit, METH_NOARGS, - _Py_isdigit__doc__}, - {"islower", (PyCFunction)stringlib_islower, METH_NOARGS, - _Py_islower__doc__}, - {"isspace", (PyCFunction)stringlib_isspace, METH_NOARGS, - _Py_isspace__doc__}, - {"istitle", (PyCFunction)stringlib_istitle, METH_NOARGS, - _Py_istitle__doc__}, - {"isupper", (PyCFunction)stringlib_isupper, METH_NOARGS, - _Py_isupper__doc__}, - {"join", (PyCFunction)bytes_join, METH_O, join__doc__}, - {"ljust", (PyCFunction)stringlib_ljust, METH_VARARGS, ljust__doc__}, - {"lower", (PyCFunction)stringlib_lower, METH_NOARGS, _Py_lower__doc__}, - {"lstrip", (PyCFunction)bytes_lstrip, METH_VARARGS, lstrip__doc__}, - {"maketrans", (PyCFunction)bytes_maketrans, METH_VARARGS|METH_STATIC, - _Py_maketrans__doc__}, - {"partition", (PyCFunction)bytes_partition, METH_O, partition__doc__}, - {"replace", (PyCFunction)bytes_replace, METH_VARARGS, replace__doc__}, - {"rfind", (PyCFunction)bytes_rfind, METH_VARARGS, rfind__doc__}, - {"rindex", (PyCFunction)bytes_rindex, METH_VARARGS, rindex__doc__}, - {"rjust", (PyCFunction)stringlib_rjust, METH_VARARGS, rjust__doc__}, - {"rpartition", (PyCFunction)bytes_rpartition, METH_O, - rpartition__doc__}, - {"rsplit", (PyCFunction)bytes_rsplit, METH_VARARGS, rsplit__doc__}, - {"rstrip", (PyCFunction)bytes_rstrip, METH_VARARGS, rstrip__doc__}, - {"split", (PyCFunction)bytes_split, METH_VARARGS, split__doc__}, - {"splitlines", (PyCFunction)bytes_splitlines, METH_VARARGS, - splitlines__doc__}, - {"startswith", (PyCFunction)bytes_startswith, METH_VARARGS, - startswith__doc__}, - {"strip", (PyCFunction)bytes_strip, METH_VARARGS, strip__doc__}, - {"swapcase", (PyCFunction)stringlib_swapcase, METH_NOARGS, - _Py_swapcase__doc__}, - {"title", (PyCFunction)stringlib_title, METH_NOARGS, _Py_title__doc__}, - {"translate", (PyCFunction)bytes_translate, METH_VARARGS, - translate__doc__}, - {"upper", (PyCFunction)stringlib_upper, METH_NOARGS, _Py_upper__doc__}, - {"zfill", (PyCFunction)stringlib_zfill, METH_VARARGS, zfill__doc__}, - {"__sizeof__", (PyCFunction)bytes_sizeof, METH_NOARGS, - sizeof__doc__}, - {NULL, NULL} /* sentinel */ + {"__getnewargs__", (PyCFunction)bytes_getnewargs, METH_NOARGS}, + {"capitalize", (PyCFunction)stringlib_capitalize, METH_NOARGS, + _Py_capitalize__doc__}, + {"center", (PyCFunction)stringlib_center, METH_VARARGS, center__doc__}, + {"count", (PyCFunction)bytes_count, METH_VARARGS, count__doc__}, + {"decode", (PyCFunction)bytes_decode, METH_VARARGS | METH_KEYWORDS, decode__doc__}, + {"endswith", (PyCFunction)bytes_endswith, METH_VARARGS, + endswith__doc__}, + {"expandtabs", (PyCFunction)stringlib_expandtabs, METH_VARARGS, + expandtabs__doc__}, + {"find", (PyCFunction)bytes_find, METH_VARARGS, find__doc__}, + {"fromhex", (PyCFunction)bytes_fromhex, METH_VARARGS|METH_CLASS, + fromhex_doc}, + {"index", (PyCFunction)bytes_index, METH_VARARGS, index__doc__}, + {"isalnum", (PyCFunction)stringlib_isalnum, METH_NOARGS, + _Py_isalnum__doc__}, + {"isalpha", (PyCFunction)stringlib_isalpha, METH_NOARGS, + _Py_isalpha__doc__}, + {"isdigit", (PyCFunction)stringlib_isdigit, METH_NOARGS, + _Py_isdigit__doc__}, + {"islower", (PyCFunction)stringlib_islower, METH_NOARGS, + _Py_islower__doc__}, + {"isspace", (PyCFunction)stringlib_isspace, METH_NOARGS, + _Py_isspace__doc__}, + {"istitle", (PyCFunction)stringlib_istitle, METH_NOARGS, + _Py_istitle__doc__}, + {"isupper", (PyCFunction)stringlib_isupper, METH_NOARGS, + _Py_isupper__doc__}, + {"join", (PyCFunction)bytes_join, METH_O, join__doc__}, + {"ljust", (PyCFunction)stringlib_ljust, METH_VARARGS, ljust__doc__}, + {"lower", (PyCFunction)stringlib_lower, METH_NOARGS, _Py_lower__doc__}, + {"lstrip", (PyCFunction)bytes_lstrip, METH_VARARGS, lstrip__doc__}, + {"maketrans", (PyCFunction)bytes_maketrans, METH_VARARGS|METH_STATIC, + _Py_maketrans__doc__}, + {"partition", (PyCFunction)bytes_partition, METH_O, partition__doc__}, + {"replace", (PyCFunction)bytes_replace, METH_VARARGS, replace__doc__}, + {"rfind", (PyCFunction)bytes_rfind, METH_VARARGS, rfind__doc__}, + {"rindex", (PyCFunction)bytes_rindex, METH_VARARGS, rindex__doc__}, + {"rjust", (PyCFunction)stringlib_rjust, METH_VARARGS, rjust__doc__}, + {"rpartition", (PyCFunction)bytes_rpartition, METH_O, + rpartition__doc__}, + {"rsplit", (PyCFunction)bytes_rsplit, METH_VARARGS, rsplit__doc__}, + {"rstrip", (PyCFunction)bytes_rstrip, METH_VARARGS, rstrip__doc__}, + {"split", (PyCFunction)bytes_split, METH_VARARGS, split__doc__}, + {"splitlines", (PyCFunction)bytes_splitlines, METH_VARARGS, + splitlines__doc__}, + {"startswith", (PyCFunction)bytes_startswith, METH_VARARGS, + startswith__doc__}, + {"strip", (PyCFunction)bytes_strip, METH_VARARGS, strip__doc__}, + {"swapcase", (PyCFunction)stringlib_swapcase, METH_NOARGS, + _Py_swapcase__doc__}, + {"title", (PyCFunction)stringlib_title, METH_NOARGS, _Py_title__doc__}, + {"translate", (PyCFunction)bytes_translate, METH_VARARGS, + translate__doc__}, + {"upper", (PyCFunction)stringlib_upper, METH_NOARGS, _Py_upper__doc__}, + {"zfill", (PyCFunction)stringlib_zfill, METH_VARARGS, zfill__doc__}, + {"__sizeof__", (PyCFunction)bytes_sizeof, METH_NOARGS, + sizeof__doc__}, + {NULL, NULL} /* sentinel */ }; static PyObject * @@ -2509,236 +2509,236 @@ str_subtype_new(PyTypeObject *type, PyObject *args, PyObject *kwds); static PyObject * bytes_new(PyTypeObject *type, PyObject *args, PyObject *kwds) { - PyObject *x = NULL; - const char *encoding = NULL; - const char *errors = NULL; - PyObject *new = NULL; - Py_ssize_t size; - static char *kwlist[] = {"source", "encoding", "errors", 0}; - - if (type != &PyBytes_Type) - return str_subtype_new(type, args, kwds); - if (!PyArg_ParseTupleAndKeywords(args, kwds, "|Oss:bytes", kwlist, &x, - &encoding, &errors)) - return NULL; - if (x == NULL) { - if (encoding != NULL || errors != NULL) { - PyErr_SetString(PyExc_TypeError, - "encoding or errors without sequence " - "argument"); - return NULL; - } - return PyBytes_FromString(""); - } - - if (PyUnicode_Check(x)) { - /* Encode via the codec registry */ - if (encoding == NULL) { - PyErr_SetString(PyExc_TypeError, - "string argument without an encoding"); - return NULL; - } - new = PyUnicode_AsEncodedString(x, encoding, errors); - if (new == NULL) - return NULL; - assert(PyBytes_Check(new)); - return new; - } - /* Is it an integer? */ - size = PyNumber_AsSsize_t(x, PyExc_OverflowError); - if (size == -1 && PyErr_Occurred()) { - if (PyErr_ExceptionMatches(PyExc_OverflowError)) - return NULL; - PyErr_Clear(); - } - else if (size < 0) { - PyErr_SetString(PyExc_ValueError, "negative count"); - return NULL; - } - else { - new = PyBytes_FromStringAndSize(NULL, size); - if (new == NULL) { - return NULL; - } - if (size > 0) { - memset(((PyBytesObject*)new)->ob_sval, 0, size); - } - return new; - } - - /* If it's not unicode, there can't be encoding or errors */ - if (encoding != NULL || errors != NULL) { - PyErr_SetString(PyExc_TypeError, - "encoding or errors without a string argument"); - return NULL; - } - return PyObject_Bytes(x); + PyObject *x = NULL; + const char *encoding = NULL; + const char *errors = NULL; + PyObject *new = NULL; + Py_ssize_t size; + static char *kwlist[] = {"source", "encoding", "errors", 0}; + + if (type != &PyBytes_Type) + return str_subtype_new(type, args, kwds); + if (!PyArg_ParseTupleAndKeywords(args, kwds, "|Oss:bytes", kwlist, &x, + &encoding, &errors)) + return NULL; + if (x == NULL) { + if (encoding != NULL || errors != NULL) { + PyErr_SetString(PyExc_TypeError, + "encoding or errors without sequence " + "argument"); + return NULL; + } + return PyBytes_FromString(""); + } + + if (PyUnicode_Check(x)) { + /* Encode via the codec registry */ + if (encoding == NULL) { + PyErr_SetString(PyExc_TypeError, + "string argument without an encoding"); + return NULL; + } + new = PyUnicode_AsEncodedString(x, encoding, errors); + if (new == NULL) + return NULL; + assert(PyBytes_Check(new)); + return new; + } + /* Is it an integer? */ + size = PyNumber_AsSsize_t(x, PyExc_OverflowError); + if (size == -1 && PyErr_Occurred()) { + if (PyErr_ExceptionMatches(PyExc_OverflowError)) + return NULL; + PyErr_Clear(); + } + else if (size < 0) { + PyErr_SetString(PyExc_ValueError, "negative count"); + return NULL; + } + else { + new = PyBytes_FromStringAndSize(NULL, size); + if (new == NULL) { + return NULL; + } + if (size > 0) { + memset(((PyBytesObject*)new)->ob_sval, 0, size); + } + return new; + } + + /* If it's not unicode, there can't be encoding or errors */ + if (encoding != NULL || errors != NULL) { + PyErr_SetString(PyExc_TypeError, + "encoding or errors without a string argument"); + return NULL; + } + return PyObject_Bytes(x); } PyObject * PyBytes_FromObject(PyObject *x) { - PyObject *new, *it; - Py_ssize_t i, size; - - if (x == NULL) { - PyErr_BadInternalCall(); - return NULL; - } - /* Use the modern buffer interface */ - if (PyObject_CheckBuffer(x)) { - Py_buffer view; - if (PyObject_GetBuffer(x, &view, PyBUF_FULL_RO) < 0) - return NULL; - new = PyBytes_FromStringAndSize(NULL, view.len); - if (!new) - goto fail; - /* XXX(brett.cannon): Better way to get to internal buffer? */ - if (PyBuffer_ToContiguous(((PyBytesObject *)new)->ob_sval, - &view, view.len, 'C') < 0) - goto fail; - PyBuffer_Release(&view); - return new; - fail: - Py_XDECREF(new); - PyBuffer_Release(&view); - return NULL; - } - if (PyUnicode_Check(x)) { - PyErr_SetString(PyExc_TypeError, - "cannot convert unicode object to bytes"); - return NULL; - } - - if (PyList_CheckExact(x)) { - new = PyBytes_FromStringAndSize(NULL, Py_SIZE(x)); - if (new == NULL) - return NULL; - for (i = 0; i < Py_SIZE(x); i++) { - Py_ssize_t value = PyNumber_AsSsize_t( - PyList_GET_ITEM(x, i), PyExc_ValueError); - if (value == -1 && PyErr_Occurred()) { - Py_DECREF(new); - return NULL; - } - if (value < 0 || value >= 256) { - PyErr_SetString(PyExc_ValueError, - "bytes must be in range(0, 256)"); - Py_DECREF(new); - return NULL; - } - ((PyBytesObject *)new)->ob_sval[i] = value; - } - return new; - } - if (PyTuple_CheckExact(x)) { - new = PyBytes_FromStringAndSize(NULL, Py_SIZE(x)); - if (new == NULL) - return NULL; - for (i = 0; i < Py_SIZE(x); i++) { - Py_ssize_t value = PyNumber_AsSsize_t( - PyTuple_GET_ITEM(x, i), PyExc_ValueError); - if (value == -1 && PyErr_Occurred()) { - Py_DECREF(new); - return NULL; - } - if (value < 0 || value >= 256) { - PyErr_SetString(PyExc_ValueError, - "bytes must be in range(0, 256)"); - Py_DECREF(new); - return NULL; - } - ((PyBytesObject *)new)->ob_sval[i] = value; - } - return new; - } - - /* For iterator version, create a string object and resize as needed */ - size = _PyObject_LengthHint(x, 64); - if (size == -1 && PyErr_Occurred()) - return NULL; - /* Allocate an extra byte to prevent PyBytes_FromStringAndSize() from - returning a shared empty bytes string. This required because we - want to call _PyBytes_Resize() the returned object, which we can - only do on bytes objects with refcount == 1. */ - size += 1; - new = PyBytes_FromStringAndSize(NULL, size); - if (new == NULL) - return NULL; - - /* Get the iterator */ - it = PyObject_GetIter(x); - if (it == NULL) - goto error; - - /* Run the iterator to exhaustion */ - for (i = 0; ; i++) { - PyObject *item; - Py_ssize_t value; - - /* Get the next item */ - item = PyIter_Next(it); - if (item == NULL) { - if (PyErr_Occurred()) - goto error; - break; - } - - /* Interpret it as an int (__index__) */ - value = PyNumber_AsSsize_t(item, PyExc_ValueError); - Py_DECREF(item); - if (value == -1 && PyErr_Occurred()) - goto error; - - /* Range check */ - if (value < 0 || value >= 256) { - PyErr_SetString(PyExc_ValueError, - "bytes must be in range(0, 256)"); - goto error; - } - - /* Append the byte */ - if (i >= size) { - size = 2 * size + 1; - if (_PyBytes_Resize(&new, size) < 0) - goto error; - } - ((PyBytesObject *)new)->ob_sval[i] = value; - } - _PyBytes_Resize(&new, i); - - /* Clean up and return success */ - Py_DECREF(it); - return new; + PyObject *new, *it; + Py_ssize_t i, size; + + if (x == NULL) { + PyErr_BadInternalCall(); + return NULL; + } + /* Use the modern buffer interface */ + if (PyObject_CheckBuffer(x)) { + Py_buffer view; + if (PyObject_GetBuffer(x, &view, PyBUF_FULL_RO) < 0) + return NULL; + new = PyBytes_FromStringAndSize(NULL, view.len); + if (!new) + goto fail; + /* XXX(brett.cannon): Better way to get to internal buffer? */ + if (PyBuffer_ToContiguous(((PyBytesObject *)new)->ob_sval, + &view, view.len, 'C') < 0) + goto fail; + PyBuffer_Release(&view); + return new; + fail: + Py_XDECREF(new); + PyBuffer_Release(&view); + return NULL; + } + if (PyUnicode_Check(x)) { + PyErr_SetString(PyExc_TypeError, + "cannot convert unicode object to bytes"); + return NULL; + } + + if (PyList_CheckExact(x)) { + new = PyBytes_FromStringAndSize(NULL, Py_SIZE(x)); + if (new == NULL) + return NULL; + for (i = 0; i < Py_SIZE(x); i++) { + Py_ssize_t value = PyNumber_AsSsize_t( + PyList_GET_ITEM(x, i), PyExc_ValueError); + if (value == -1 && PyErr_Occurred()) { + Py_DECREF(new); + return NULL; + } + if (value < 0 || value >= 256) { + PyErr_SetString(PyExc_ValueError, + "bytes must be in range(0, 256)"); + Py_DECREF(new); + return NULL; + } + ((PyBytesObject *)new)->ob_sval[i] = value; + } + return new; + } + if (PyTuple_CheckExact(x)) { + new = PyBytes_FromStringAndSize(NULL, Py_SIZE(x)); + if (new == NULL) + return NULL; + for (i = 0; i < Py_SIZE(x); i++) { + Py_ssize_t value = PyNumber_AsSsize_t( + PyTuple_GET_ITEM(x, i), PyExc_ValueError); + if (value == -1 && PyErr_Occurred()) { + Py_DECREF(new); + return NULL; + } + if (value < 0 || value >= 256) { + PyErr_SetString(PyExc_ValueError, + "bytes must be in range(0, 256)"); + Py_DECREF(new); + return NULL; + } + ((PyBytesObject *)new)->ob_sval[i] = value; + } + return new; + } + + /* For iterator version, create a string object and resize as needed */ + size = _PyObject_LengthHint(x, 64); + if (size == -1 && PyErr_Occurred()) + return NULL; + /* Allocate an extra byte to prevent PyBytes_FromStringAndSize() from + returning a shared empty bytes string. This required because we + want to call _PyBytes_Resize() the returned object, which we can + only do on bytes objects with refcount == 1. */ + size += 1; + new = PyBytes_FromStringAndSize(NULL, size); + if (new == NULL) + return NULL; + + /* Get the iterator */ + it = PyObject_GetIter(x); + if (it == NULL) + goto error; + + /* Run the iterator to exhaustion */ + for (i = 0; ; i++) { + PyObject *item; + Py_ssize_t value; + + /* Get the next item */ + item = PyIter_Next(it); + if (item == NULL) { + if (PyErr_Occurred()) + goto error; + break; + } + + /* Interpret it as an int (__index__) */ + value = PyNumber_AsSsize_t(item, PyExc_ValueError); + Py_DECREF(item); + if (value == -1 && PyErr_Occurred()) + goto error; + + /* Range check */ + if (value < 0 || value >= 256) { + PyErr_SetString(PyExc_ValueError, + "bytes must be in range(0, 256)"); + goto error; + } + + /* Append the byte */ + if (i >= size) { + size = 2 * size + 1; + if (_PyBytes_Resize(&new, size) < 0) + goto error; + } + ((PyBytesObject *)new)->ob_sval[i] = value; + } + _PyBytes_Resize(&new, i); + + /* Clean up and return success */ + Py_DECREF(it); + return new; error: - /* Error handling when new != NULL */ - Py_XDECREF(it); - Py_DECREF(new); - return NULL; + /* Error handling when new != NULL */ + Py_XDECREF(it); + Py_DECREF(new); + return NULL; } static PyObject * str_subtype_new(PyTypeObject *type, PyObject *args, PyObject *kwds) { - PyObject *tmp, *pnew; - Py_ssize_t n; - - assert(PyType_IsSubtype(type, &PyBytes_Type)); - tmp = bytes_new(&PyBytes_Type, args, kwds); - if (tmp == NULL) - return NULL; - assert(PyBytes_CheckExact(tmp)); - n = PyBytes_GET_SIZE(tmp); - pnew = type->tp_alloc(type, n); - if (pnew != NULL) { - Py_MEMCPY(PyBytes_AS_STRING(pnew), - PyBytes_AS_STRING(tmp), n+1); - ((PyBytesObject *)pnew)->ob_shash = - ((PyBytesObject *)tmp)->ob_shash; - } - Py_DECREF(tmp); - return pnew; + PyObject *tmp, *pnew; + Py_ssize_t n; + + assert(PyType_IsSubtype(type, &PyBytes_Type)); + tmp = bytes_new(&PyBytes_Type, args, kwds); + if (tmp == NULL) + return NULL; + assert(PyBytes_CheckExact(tmp)); + n = PyBytes_GET_SIZE(tmp); + pnew = type->tp_alloc(type, n); + if (pnew != NULL) { + Py_MEMCPY(PyBytes_AS_STRING(pnew), + PyBytes_AS_STRING(tmp), n+1); + ((PyBytesObject *)pnew)->ob_shash = + ((PyBytesObject *)tmp)->ob_shash; + } + Py_DECREF(tmp); + return pnew; } PyDoc_STRVAR(bytes_doc, @@ -2756,70 +2756,70 @@ Construct an immutable array of bytes from:\n\ static PyObject *bytes_iter(PyObject *seq); PyTypeObject PyBytes_Type = { - PyVarObject_HEAD_INIT(&PyType_Type, 0) - "bytes", - PyBytesObject_SIZE, - sizeof(char), - bytes_dealloc, /* tp_dealloc */ - 0, /* tp_print */ - 0, /* tp_getattr */ - 0, /* tp_setattr */ - 0, /* tp_reserved */ - (reprfunc)bytes_repr, /* tp_repr */ - 0, /* tp_as_number */ - &bytes_as_sequence, /* tp_as_sequence */ - &bytes_as_mapping, /* tp_as_mapping */ - (hashfunc)bytes_hash, /* tp_hash */ - 0, /* tp_call */ - bytes_str, /* tp_str */ - PyObject_GenericGetAttr, /* tp_getattro */ - 0, /* tp_setattro */ - &bytes_as_buffer, /* tp_as_buffer */ - Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE | - Py_TPFLAGS_BYTES_SUBCLASS, /* tp_flags */ - bytes_doc, /* tp_doc */ - 0, /* tp_traverse */ - 0, /* tp_clear */ - (richcmpfunc)bytes_richcompare, /* tp_richcompare */ - 0, /* tp_weaklistoffset */ - bytes_iter, /* tp_iter */ - 0, /* tp_iternext */ - bytes_methods, /* tp_methods */ - 0, /* tp_members */ - 0, /* tp_getset */ - &PyBaseObject_Type, /* tp_base */ - 0, /* tp_dict */ - 0, /* tp_descr_get */ - 0, /* tp_descr_set */ - 0, /* tp_dictoffset */ - 0, /* tp_init */ - 0, /* tp_alloc */ - bytes_new, /* tp_new */ - PyObject_Del, /* tp_free */ + PyVarObject_HEAD_INIT(&PyType_Type, 0) + "bytes", + PyBytesObject_SIZE, + sizeof(char), + bytes_dealloc, /* tp_dealloc */ + 0, /* tp_print */ + 0, /* tp_getattr */ + 0, /* tp_setattr */ + 0, /* tp_reserved */ + (reprfunc)bytes_repr, /* tp_repr */ + 0, /* tp_as_number */ + &bytes_as_sequence, /* tp_as_sequence */ + &bytes_as_mapping, /* tp_as_mapping */ + (hashfunc)bytes_hash, /* tp_hash */ + 0, /* tp_call */ + bytes_str, /* tp_str */ + PyObject_GenericGetAttr, /* tp_getattro */ + 0, /* tp_setattro */ + &bytes_as_buffer, /* tp_as_buffer */ + Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE | + Py_TPFLAGS_BYTES_SUBCLASS, /* tp_flags */ + bytes_doc, /* tp_doc */ + 0, /* tp_traverse */ + 0, /* tp_clear */ + (richcmpfunc)bytes_richcompare, /* tp_richcompare */ + 0, /* tp_weaklistoffset */ + bytes_iter, /* tp_iter */ + 0, /* tp_iternext */ + bytes_methods, /* tp_methods */ + 0, /* tp_members */ + 0, /* tp_getset */ + &PyBaseObject_Type, /* tp_base */ + 0, /* tp_dict */ + 0, /* tp_descr_get */ + 0, /* tp_descr_set */ + 0, /* tp_dictoffset */ + 0, /* tp_init */ + 0, /* tp_alloc */ + bytes_new, /* tp_new */ + PyObject_Del, /* tp_free */ }; void PyBytes_Concat(register PyObject **pv, register PyObject *w) { - register PyObject *v; - assert(pv != NULL); - if (*pv == NULL) - return; - if (w == NULL) { - Py_DECREF(*pv); - *pv = NULL; - return; - } - v = bytes_concat(*pv, w); - Py_DECREF(*pv); - *pv = v; + register PyObject *v; + assert(pv != NULL); + if (*pv == NULL) + return; + if (w == NULL) { + Py_DECREF(*pv); + *pv = NULL; + return; + } + v = bytes_concat(*pv, w); + Py_DECREF(*pv); + *pv = v; } void PyBytes_ConcatAndDel(register PyObject **pv, register PyObject *w) { - PyBytes_Concat(pv, w); - Py_XDECREF(w); + PyBytes_Concat(pv, w); + Py_XDECREF(w); } @@ -2840,31 +2840,31 @@ PyBytes_ConcatAndDel(register PyObject **pv, register PyObject *w) int _PyBytes_Resize(PyObject **pv, Py_ssize_t newsize) { - register PyObject *v; - register PyBytesObject *sv; - v = *pv; - if (!PyBytes_Check(v) || Py_REFCNT(v) != 1 || newsize < 0) { - *pv = 0; - Py_DECREF(v); - PyErr_BadInternalCall(); - return -1; - } - /* XXX UNREF/NEWREF interface should be more symmetrical */ - _Py_DEC_REFTOTAL; - _Py_ForgetReference(v); - *pv = (PyObject *) - PyObject_REALLOC((char *)v, PyBytesObject_SIZE + newsize); - if (*pv == NULL) { - PyObject_Del(v); - PyErr_NoMemory(); - return -1; - } - _Py_NewReference(*pv); - sv = (PyBytesObject *) *pv; - Py_SIZE(sv) = newsize; - sv->ob_sval[newsize] = '\0'; - sv->ob_shash = -1; /* invalidate cached hash value */ - return 0; + register PyObject *v; + register PyBytesObject *sv; + v = *pv; + if (!PyBytes_Check(v) || Py_REFCNT(v) != 1 || newsize < 0) { + *pv = 0; + Py_DECREF(v); + PyErr_BadInternalCall(); + return -1; + } + /* XXX UNREF/NEWREF interface should be more symmetrical */ + _Py_DEC_REFTOTAL; + _Py_ForgetReference(v); + *pv = (PyObject *) + PyObject_REALLOC((char *)v, PyBytesObject_SIZE + newsize); + if (*pv == NULL) { + PyObject_Del(v); + PyErr_NoMemory(); + return -1; + } + _Py_NewReference(*pv); + sv = (PyBytesObject *) *pv; + Py_SIZE(sv) = newsize; + sv->ob_sval[newsize] = '\0'; + sv->ob_shash = -1; /* invalidate cached hash value */ + return 0; } /* _PyBytes_FormatLong emulates the format codes d, u, o, x and X, and @@ -2880,262 +2880,262 @@ _PyBytes_Resize(PyObject **pv, Py_ssize_t newsize) * set in flags. The case of hex digits will be correct, * There will be at least prec digits, zero-filled on the left if * necessary to get that many. - * val object to be converted - * flags bitmask of format flags; only F_ALT is looked at - * prec minimum number of digits; 0-fill on left if needed - * type a character in [duoxX]; u acts the same as d + * val object to be converted + * flags bitmask of format flags; only F_ALT is looked at + * prec minimum number of digits; 0-fill on left if needed + * type a character in [duoxX]; u acts the same as d * * CAUTION: o, x and X conversions on regular ints can never * produce a '-' sign, but can for Python's unbounded ints. */ PyObject* _PyBytes_FormatLong(PyObject *val, int flags, int prec, int type, - char **pbuf, int *plen) -{ - PyObject *result = NULL; - char *buf; - Py_ssize_t i; - int sign; /* 1 if '-', else 0 */ - int len; /* number of characters */ - Py_ssize_t llen; - int numdigits; /* len == numnondigits + numdigits */ - int numnondigits = 0; - - /* Avoid exceeding SSIZE_T_MAX */ - if (prec > INT_MAX-3) { - PyErr_SetString(PyExc_OverflowError, - "precision too large"); - return NULL; - } - - switch (type) { - case 'd': - case 'u': - /* Special-case boolean: we want 0/1 */ - if (PyBool_Check(val)) - result = PyNumber_ToBase(val, 10); - else - result = Py_TYPE(val)->tp_str(val); - break; - case 'o': - numnondigits = 2; - result = PyNumber_ToBase(val, 8); - break; - case 'x': - case 'X': - numnondigits = 2; - result = PyNumber_ToBase(val, 16); - break; - default: - assert(!"'type' not in [duoxX]"); - } - if (!result) - return NULL; - - buf = _PyUnicode_AsString(result); - if (!buf) { - Py_DECREF(result); - return NULL; - } - - /* To modify the string in-place, there can only be one reference. */ - if (Py_REFCNT(result) != 1) { - PyErr_BadInternalCall(); - return NULL; - } - llen = PyUnicode_GetSize(result); - if (llen > INT_MAX) { - PyErr_SetString(PyExc_ValueError, - "string too large in _PyBytes_FormatLong"); - return NULL; - } - len = (int)llen; - if (buf[len-1] == 'L') { - --len; - buf[len] = '\0'; - } - sign = buf[0] == '-'; - numnondigits += sign; - numdigits = len - numnondigits; - assert(numdigits > 0); - - /* Get rid of base marker unless F_ALT */ - if (((flags & F_ALT) == 0 && - (type == 'o' || type == 'x' || type == 'X'))) { - assert(buf[sign] == '0'); - assert(buf[sign+1] == 'x' || buf[sign+1] == 'X' || - buf[sign+1] == 'o'); - numnondigits -= 2; - buf += 2; - len -= 2; - if (sign) - buf[0] = '-'; - assert(len == numnondigits + numdigits); - assert(numdigits > 0); - } - - /* Fill with leading zeroes to meet minimum width. */ - if (prec > numdigits) { - PyObject *r1 = PyBytes_FromStringAndSize(NULL, - numnondigits + prec); - char *b1; - if (!r1) { - Py_DECREF(result); - return NULL; - } - b1 = PyBytes_AS_STRING(r1); - for (i = 0; i < numnondigits; ++i) - *b1++ = *buf++; - for (i = 0; i < prec - numdigits; i++) - *b1++ = '0'; - for (i = 0; i < numdigits; i++) - *b1++ = *buf++; - *b1 = '\0'; - Py_DECREF(result); - result = r1; - buf = PyBytes_AS_STRING(result); - len = numnondigits + prec; - } - - /* Fix up case for hex conversions. */ - if (type == 'X') { - /* Need to convert all lower case letters to upper case. - and need to convert 0x to 0X (and -0x to -0X). */ - for (i = 0; i < len; i++) - if (buf[i] >= 'a' && buf[i] <= 'x') - buf[i] -= 'a'-'A'; - } - *pbuf = buf; - *plen = len; - return result; + char **pbuf, int *plen) +{ + PyObject *result = NULL; + char *buf; + Py_ssize_t i; + int sign; /* 1 if '-', else 0 */ + int len; /* number of characters */ + Py_ssize_t llen; + int numdigits; /* len == numnondigits + numdigits */ + int numnondigits = 0; + + /* Avoid exceeding SSIZE_T_MAX */ + if (prec > INT_MAX-3) { + PyErr_SetString(PyExc_OverflowError, + "precision too large"); + return NULL; + } + + switch (type) { + case 'd': + case 'u': + /* Special-case boolean: we want 0/1 */ + if (PyBool_Check(val)) + result = PyNumber_ToBase(val, 10); + else + result = Py_TYPE(val)->tp_str(val); + break; + case 'o': + numnondigits = 2; + result = PyNumber_ToBase(val, 8); + break; + case 'x': + case 'X': + numnondigits = 2; + result = PyNumber_ToBase(val, 16); + break; + default: + assert(!"'type' not in [duoxX]"); + } + if (!result) + return NULL; + + buf = _PyUnicode_AsString(result); + if (!buf) { + Py_DECREF(result); + return NULL; + } + + /* To modify the string in-place, there can only be one reference. */ + if (Py_REFCNT(result) != 1) { + PyErr_BadInternalCall(); + return NULL; + } + llen = PyUnicode_GetSize(result); + if (llen > INT_MAX) { + PyErr_SetString(PyExc_ValueError, + "string too large in _PyBytes_FormatLong"); + return NULL; + } + len = (int)llen; + if (buf[len-1] == 'L') { + --len; + buf[len] = '\0'; + } + sign = buf[0] == '-'; + numnondigits += sign; + numdigits = len - numnondigits; + assert(numdigits > 0); + + /* Get rid of base marker unless F_ALT */ + if (((flags & F_ALT) == 0 && + (type == 'o' || type == 'x' || type == 'X'))) { + assert(buf[sign] == '0'); + assert(buf[sign+1] == 'x' || buf[sign+1] == 'X' || + buf[sign+1] == 'o'); + numnondigits -= 2; + buf += 2; + len -= 2; + if (sign) + buf[0] = '-'; + assert(len == numnondigits + numdigits); + assert(numdigits > 0); + } + + /* Fill with leading zeroes to meet minimum width. */ + if (prec > numdigits) { + PyObject *r1 = PyBytes_FromStringAndSize(NULL, + numnondigits + prec); + char *b1; + if (!r1) { + Py_DECREF(result); + return NULL; + } + b1 = PyBytes_AS_STRING(r1); + for (i = 0; i < numnondigits; ++i) + *b1++ = *buf++; + for (i = 0; i < prec - numdigits; i++) + *b1++ = '0'; + for (i = 0; i < numdigits; i++) + *b1++ = *buf++; + *b1 = '\0'; + Py_DECREF(result); + result = r1; + buf = PyBytes_AS_STRING(result); + len = numnondigits + prec; + } + + /* Fix up case for hex conversions. */ + if (type == 'X') { + /* Need to convert all lower case letters to upper case. + and need to convert 0x to 0X (and -0x to -0X). */ + for (i = 0; i < len; i++) + if (buf[i] >= 'a' && buf[i] <= 'x') + buf[i] -= 'a'-'A'; + } + *pbuf = buf; + *plen = len; + return result; } void PyBytes_Fini(void) { - int i; - for (i = 0; i < UCHAR_MAX + 1; i++) { - Py_XDECREF(characters[i]); - characters[i] = NULL; - } - Py_XDECREF(nullstring); - nullstring = NULL; + int i; + for (i = 0; i < UCHAR_MAX + 1; i++) { + Py_XDECREF(characters[i]); + characters[i] = NULL; + } + Py_XDECREF(nullstring); + nullstring = NULL; } /*********************** Bytes Iterator ****************************/ typedef struct { - PyObject_HEAD - Py_ssize_t it_index; - PyBytesObject *it_seq; /* Set to NULL when iterator is exhausted */ + PyObject_HEAD + Py_ssize_t it_index; + PyBytesObject *it_seq; /* Set to NULL when iterator is exhausted */ } striterobject; static void striter_dealloc(striterobject *it) { - _PyObject_GC_UNTRACK(it); - Py_XDECREF(it->it_seq); - PyObject_GC_Del(it); + _PyObject_GC_UNTRACK(it); + Py_XDECREF(it->it_seq); + PyObject_GC_Del(it); } static int striter_traverse(striterobject *it, visitproc visit, void *arg) { - Py_VISIT(it->it_seq); - return 0; + Py_VISIT(it->it_seq); + return 0; } static PyObject * striter_next(striterobject *it) { - PyBytesObject *seq; - PyObject *item; - - assert(it != NULL); - seq = it->it_seq; - if (seq == NULL) - return NULL; - assert(PyBytes_Check(seq)); + PyBytesObject *seq; + PyObject *item; - if (it->it_index < PyBytes_GET_SIZE(seq)) { - item = PyLong_FromLong( - (unsigned char)seq->ob_sval[it->it_index]); - if (item != NULL) - ++it->it_index; - return item; - } + assert(it != NULL); + seq = it->it_seq; + if (seq == NULL) + return NULL; + assert(PyBytes_Check(seq)); + + if (it->it_index < PyBytes_GET_SIZE(seq)) { + item = PyLong_FromLong( + (unsigned char)seq->ob_sval[it->it_index]); + if (item != NULL) + ++it->it_index; + return item; + } - Py_DECREF(seq); - it->it_seq = NULL; - return NULL; + Py_DECREF(seq); + it->it_seq = NULL; + return NULL; } static PyObject * striter_len(striterobject *it) { - Py_ssize_t len = 0; - if (it->it_seq) - len = PyBytes_GET_SIZE(it->it_seq) - it->it_index; - return PyLong_FromSsize_t(len); + Py_ssize_t len = 0; + if (it->it_seq) + len = PyBytes_GET_SIZE(it->it_seq) - it->it_index; + return PyLong_FromSsize_t(len); } PyDoc_STRVAR(length_hint_doc, - "Private method returning an estimate of len(list(it))."); + "Private method returning an estimate of len(list(it))."); static PyMethodDef striter_methods[] = { - {"__length_hint__", (PyCFunction)striter_len, METH_NOARGS, - length_hint_doc}, - {NULL, NULL} /* sentinel */ + {"__length_hint__", (PyCFunction)striter_len, METH_NOARGS, + length_hint_doc}, + {NULL, NULL} /* sentinel */ }; PyTypeObject PyBytesIter_Type = { - PyVarObject_HEAD_INIT(&PyType_Type, 0) - "bytes_iterator", /* tp_name */ - sizeof(striterobject), /* tp_basicsize */ - 0, /* tp_itemsize */ - /* methods */ - (destructor)striter_dealloc, /* tp_dealloc */ - 0, /* tp_print */ - 0, /* tp_getattr */ - 0, /* tp_setattr */ - 0, /* tp_reserved */ - 0, /* tp_repr */ - 0, /* tp_as_number */ - 0, /* tp_as_sequence */ - 0, /* tp_as_mapping */ - 0, /* tp_hash */ - 0, /* tp_call */ - 0, /* tp_str */ - PyObject_GenericGetAttr, /* tp_getattro */ - 0, /* tp_setattro */ - 0, /* tp_as_buffer */ - Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC,/* tp_flags */ - 0, /* tp_doc */ - (traverseproc)striter_traverse, /* tp_traverse */ - 0, /* tp_clear */ - 0, /* tp_richcompare */ - 0, /* tp_weaklistoffset */ - PyObject_SelfIter, /* tp_iter */ - (iternextfunc)striter_next, /* tp_iternext */ - striter_methods, /* tp_methods */ - 0, + PyVarObject_HEAD_INIT(&PyType_Type, 0) + "bytes_iterator", /* tp_name */ + sizeof(striterobject), /* tp_basicsize */ + 0, /* tp_itemsize */ + /* methods */ + (destructor)striter_dealloc, /* tp_dealloc */ + 0, /* tp_print */ + 0, /* tp_getattr */ + 0, /* tp_setattr */ + 0, /* tp_reserved */ + 0, /* tp_repr */ + 0, /* tp_as_number */ + 0, /* tp_as_sequence */ + 0, /* tp_as_mapping */ + 0, /* tp_hash */ + 0, /* tp_call */ + 0, /* tp_str */ + PyObject_GenericGetAttr, /* tp_getattro */ + 0, /* tp_setattro */ + 0, /* tp_as_buffer */ + Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC,/* tp_flags */ + 0, /* tp_doc */ + (traverseproc)striter_traverse, /* tp_traverse */ + 0, /* tp_clear */ + 0, /* tp_richcompare */ + 0, /* tp_weaklistoffset */ + PyObject_SelfIter, /* tp_iter */ + (iternextfunc)striter_next, /* tp_iternext */ + striter_methods, /* tp_methods */ + 0, }; static PyObject * bytes_iter(PyObject *seq) { - striterobject *it; - - if (!PyBytes_Check(seq)) { - PyErr_BadInternalCall(); - return NULL; - } - it = PyObject_GC_New(striterobject, &PyBytesIter_Type); - if (it == NULL) - return NULL; - it->it_index = 0; - Py_INCREF(seq); - it->it_seq = (PyBytesObject *)seq; - _PyObject_GC_TRACK(it); - return (PyObject *)it; + striterobject *it; + + if (!PyBytes_Check(seq)) { + PyErr_BadInternalCall(); + return NULL; + } + it = PyObject_GC_New(striterobject, &PyBytesIter_Type); + if (it == NULL) + return NULL; + it->it_index = 0; + Py_INCREF(seq); + it->it_seq = (PyBytesObject *)seq; + _PyObject_GC_TRACK(it); + return (PyObject *)it; } |