diff options
Diffstat (limited to 'Objects/stringobject.c')
| -rw-r--r-- | Objects/stringobject.c | 263 |
1 files changed, 76 insertions, 187 deletions
diff --git a/Objects/stringobject.c b/Objects/stringobject.c index 80da47d..7da58da 100644 --- a/Objects/stringobject.c +++ b/Objects/stringobject.c @@ -48,9 +48,7 @@ static PyStringObject *nullstring; future these routines may try to do even more sharing of objects. */ PyObject * -PyString_FromStringAndSize(str, size) - const char *str; - int size; +PyString_FromStringAndSize(const char *str, int size) { register PyStringObject *op; #ifndef DONT_SHARE_SHORT_STRINGS @@ -100,8 +98,7 @@ PyString_FromStringAndSize(str, size) } PyObject * -PyString_FromString(str) - const char *str; +PyString_FromString(const char *str) { register size_t size = strlen(str); register PyStringObject *op; @@ -247,15 +244,13 @@ PyObject *PyString_AsEncodedString(PyObject *str, } static void -string_dealloc(op) - PyObject *op; +string_dealloc(PyObject *op) { PyObject_DEL(op); } int -PyString_Size(op) - register PyObject *op; +PyString_Size(register PyObject *op) { if (!PyString_Check(op)) { PyErr_BadInternalCall(); @@ -265,8 +260,7 @@ PyString_Size(op) } /*const*/ char * -PyString_AsString(op) - register PyObject *op; +PyString_AsString(register PyObject *op) { if (!PyString_Check(op)) { PyErr_BadInternalCall(); @@ -278,10 +272,7 @@ PyString_AsString(op) /* Methods */ static int -string_print(op, fp, flags) - PyStringObject *op; - FILE *fp; - int flags; +string_print(PyStringObject *op, FILE *fp, int flags) { int i; char c; @@ -312,8 +303,7 @@ string_print(op, fp, flags) } static PyObject * -string_repr(op) - register PyStringObject *op; +string_repr(register PyStringObject *op) { size_t newsize = 2 + 4 * op->ob_size * sizeof(char); PyObject *v; @@ -359,16 +349,13 @@ string_repr(op) } static int -string_length(a) - PyStringObject *a; +string_length(PyStringObject *a) { return a->ob_size; } static PyObject * -string_concat(a, bb) - register PyStringObject *a; - register PyObject *bb; +string_concat(register PyStringObject *a, register PyObject *bb) { register unsigned int size; register PyStringObject *op; @@ -411,9 +398,7 @@ string_concat(a, bb) } static PyObject * -string_repeat(a, n) - register PyStringObject *a; - register int n; +string_repeat(register PyStringObject *a, register int n) { register int i; register int size; @@ -446,9 +431,8 @@ string_repeat(a, n) /* String slice a[i:j] consists of characters a[i] ... a[j-1] */ static PyObject * -string_slice(a, i, j) - register PyStringObject *a; - register int i, j; /* May be negative! */ +string_slice(register PyStringObject *a, register int i, register int j) + /* j -- may be negative! */ { if (i < 0) i = 0; @@ -466,8 +450,7 @@ string_slice(a, i, j) } static int -string_contains(a, el) -PyObject *a, *el; +string_contains(PyObject *a, PyObject *el) { register char *s, *end; register char c; @@ -489,9 +472,7 @@ PyObject *a, *el; } static PyObject * -string_item(a, i) - PyStringObject *a; - register int i; +string_item(PyStringObject *a, register int i) { int c; PyObject *v; @@ -517,8 +498,7 @@ string_item(a, i) } static int -string_compare(a, b) - PyStringObject *a, *b; +string_compare(PyStringObject *a, PyStringObject *b) { int len_a = a->ob_size, len_b = b->ob_size; int min_len = (len_a < len_b) ? len_a : len_b; @@ -534,8 +514,7 @@ string_compare(a, b) } static long -string_hash(a) - PyStringObject *a; +string_hash(PyStringObject *a) { register int len; register unsigned char *p; @@ -565,10 +544,7 @@ string_hash(a) } static int -string_buffer_getreadbuf(self, index, ptr) - PyStringObject *self; - int index; - const void **ptr; +string_buffer_getreadbuf(PyStringObject *self, int index, const void **ptr) { if ( index != 0 ) { PyErr_SetString(PyExc_SystemError, @@ -580,10 +556,7 @@ string_buffer_getreadbuf(self, index, ptr) } static int -string_buffer_getwritebuf(self, index, ptr) - PyStringObject *self; - int index; - const void **ptr; +string_buffer_getwritebuf(PyStringObject *self, int index, const void **ptr) { PyErr_SetString(PyExc_TypeError, "Cannot use string as modifiable buffer"); @@ -591,9 +564,7 @@ string_buffer_getwritebuf(self, index, ptr) } static int -string_buffer_getsegcount(self, lenp) - PyStringObject *self; - int *lenp; +string_buffer_getsegcount(PyStringObject *self, int *lenp) { if ( lenp ) *lenp = self->ob_size; @@ -601,10 +572,7 @@ string_buffer_getsegcount(self, lenp) } static int -string_buffer_getcharbuf(self, index, ptr) - PyStringObject *self; - int index; - const char **ptr; +string_buffer_getcharbuf(PyStringObject *self, int index, const char **ptr) { if ( index != 0 ) { PyErr_SetString(PyExc_SystemError, @@ -641,10 +609,7 @@ static PyBufferProcs string_as_buffer = { static PyObject * -split_whitespace(s, len, maxsplit) - char *s; - int len; - int maxsplit; +split_whitespace(char *s, int len, int maxsplit) { int i, j, err; PyObject* item; @@ -699,9 +664,7 @@ splits are done. If sep is not specified, any whitespace string\n\ is a separator."; static PyObject * -string_split(self, args) - PyStringObject *self; - PyObject *args; +string_split(PyStringObject *self, PyObject *args) { int len = PyString_GET_SIZE(self), n, i, j, err; int maxsplit = -1; @@ -771,9 +734,7 @@ Return a string which is the concatenation of the strings in the\n\ sequence. The separator between elements is S."; static PyObject * -string_join(self, args) - PyStringObject *self; - PyObject *args; +string_join(PyStringObject *self, PyObject *args) { char *sep = PyString_AS_STRING(self); int seplen = PyString_GET_SIZE(self); @@ -896,10 +857,7 @@ string_join(self, args) static long -string_find_internal(self, args, dir) - PyStringObject *self; - PyObject *args; - int dir; +string_find_internal(PyStringObject *self, PyObject *args, int dir) { const char *s = PyString_AS_STRING(self), *sub; int len = PyString_GET_SIZE(self); @@ -961,9 +919,7 @@ arguments start and end are interpreted as in slice notation.\n\ Return -1 on failure."; static PyObject * -string_find(self, args) - PyStringObject *self; - PyObject *args; +string_find(PyStringObject *self, PyObject *args) { long result = string_find_internal(self, args, +1); if (result == -2) @@ -978,9 +934,7 @@ static char index__doc__[] = Like S.find() but raise ValueError when the substring is not found."; static PyObject * -string_index(self, args) - PyStringObject *self; - PyObject *args; +string_index(PyStringObject *self, PyObject *args) { long result = string_find_internal(self, args, +1); if (result == -2) @@ -1004,9 +958,7 @@ arguments start and end are interpreted as in slice notation.\n\ Return -1 on failure."; static PyObject * -string_rfind(self, args) - PyStringObject *self; - PyObject *args; +string_rfind(PyStringObject *self, PyObject *args) { long result = string_find_internal(self, args, -1); if (result == -2) @@ -1021,9 +973,7 @@ static char rindex__doc__[] = Like S.rfind() but raise ValueError when the substring is not found."; static PyObject * -string_rindex(self, args) - PyStringObject *self; - PyObject *args; +string_rindex(PyStringObject *self, PyObject *args) { long result = string_find_internal(self, args, -1); if (result == -2) @@ -1038,10 +988,7 @@ string_rindex(self, args) static PyObject * -do_strip(self, args, striptype) - PyStringObject *self; - PyObject *args; - int striptype; +do_strip(PyStringObject *self, PyObject *args, int striptype) { char *s = PyString_AS_STRING(self); int len = PyString_GET_SIZE(self), i, j; @@ -1080,9 +1027,7 @@ Return a copy of the string S with leading and trailing\n\ whitespace removed."; static PyObject * -string_strip(self, args) - PyStringObject *self; - PyObject *args; +string_strip(PyStringObject *self, PyObject *args) { return do_strip(self, args, BOTHSTRIP); } @@ -1094,9 +1039,7 @@ static char lstrip__doc__[] = Return a copy of the string S with leading whitespace removed."; static PyObject * -string_lstrip(self, args) - PyStringObject *self; - PyObject *args; +string_lstrip(PyStringObject *self, PyObject *args) { return do_strip(self, args, LEFTSTRIP); } @@ -1108,9 +1051,7 @@ static char rstrip__doc__[] = Return a copy of the string S with trailing whitespace removed."; static PyObject * -string_rstrip(self, args) - PyStringObject *self; - PyObject *args; +string_rstrip(PyStringObject *self, PyObject *args) { return do_strip(self, args, RIGHTSTRIP); } @@ -1122,9 +1063,7 @@ static char lower__doc__[] = Return a copy of the string S converted to lowercase."; static PyObject * -string_lower(self, args) - PyStringObject *self; - PyObject *args; +string_lower(PyStringObject *self, PyObject *args) { char *s = PyString_AS_STRING(self), *s_new; int i, n = PyString_GET_SIZE(self); @@ -1154,9 +1093,7 @@ static char upper__doc__[] = Return a copy of the string S converted to uppercase."; static PyObject * -string_upper(self, args) - PyStringObject *self; - PyObject *args; +string_upper(PyStringObject *self, PyObject *args) { char *s = PyString_AS_STRING(self), *s_new; int i, n = PyString_GET_SIZE(self); @@ -1224,9 +1161,7 @@ Return a copy of the string S with only its first character\n\ capitalized."; static PyObject * -string_capitalize(self, args) - PyStringObject *self; - PyObject *args; +string_capitalize(PyStringObject *self, PyObject *args) { char *s = PyString_AS_STRING(self), *s_new; int i, n = PyString_GET_SIZE(self); @@ -1266,9 +1201,7 @@ S[start:end]. Optional arguments start and end are\n\ interpreted as in slice notation."; static PyObject * -string_count(self, args) - PyStringObject *self; - PyObject *args; +string_count(PyStringObject *self, PyObject *args) { const char *s = PyString_AS_STRING(self), *sub; int len = PyString_GET_SIZE(self), n; @@ -1324,9 +1257,7 @@ Return a copy of the string S with uppercase characters\n\ converted to lowercase and vice versa."; static PyObject * -string_swapcase(self, args) - PyStringObject *self; - PyObject *args; +string_swapcase(PyStringObject *self, PyObject *args) { char *s = PyString_AS_STRING(self), *s_new; int i, n = PyString_GET_SIZE(self); @@ -1363,9 +1294,7 @@ remaining characters have been mapped through the given\n\ translation table, which must be a string of length 256."; static PyObject * -string_translate(self, args) - PyStringObject *self; - PyObject *args; +string_translate(PyStringObject *self, PyObject *args) { register char *input, *output; register const char *table; @@ -1483,11 +1412,7 @@ string_translate(self, args) MEM, the function returns -1. */ static int -mymemfind(mem, len, pat, pat_len) - char *mem; - int len; - char *pat; - int pat_len; +mymemfind(char *mem, int len, char *pat, int pat_len) { register int ii; @@ -1510,11 +1435,7 @@ mymemfind(mem, len, pat, pat_len) mem=11111 and pat==11 also return 2. */ static int -mymemcnt(mem, len, pat, pat_len) - char *mem; - int len; - char *pat; - int pat_len; +mymemcnt(char *mem, int len, char *pat, int pat_len) { register int offset = 0; int nfound = 0; @@ -1550,16 +1471,11 @@ mymemcnt(mem, len, pat, pat_len) NULL if an error occurred. */ static char * -mymemreplace(str, len, pat, pat_len, sub, sub_len, count, out_len) - char *str; - int len; /* input string */ - char *pat; - int pat_len; /* pattern string to find */ - char *sub; - int sub_len; /* substitution string */ - int count; /* number of replacements */ - int *out_len; - +mymemreplace(char *str, int len, /* input string */ + char *pat, int pat_len, /* pattern string to find */ + char *sub, int sub_len, /* substitution string */ + int count, /* number of replacements */ + int *out_len) { char *out_s; char *new_s; @@ -1622,9 +1538,7 @@ old replaced by new. If the optional argument maxsplit is\n\ given, only the first maxsplit occurrences are replaced."; static PyObject * -string_replace(self, args) - PyStringObject *self; - PyObject *args; +string_replace(PyStringObject *self, PyObject *args) { const char *str = PyString_AS_STRING(self), *sub, *repl; char *new_s; @@ -1687,9 +1601,7 @@ optional start, test S beginning at that position. With optional end, stop\n\ comparing S at that position."; static PyObject * -string_startswith(self, args) - PyStringObject *self; - PyObject *args; +string_startswith(PyStringObject *self, PyObject *args) { const char* str = PyString_AS_STRING(self); int len = PyString_GET_SIZE(self); @@ -1741,9 +1653,7 @@ optional start, test S beginning at that position. With optional end, stop\n\ comparing S at that position."; static PyObject * -string_endswith(self, args) - PyStringObject *self; - PyObject *args; +string_endswith(PyStringObject *self, PyObject *args) { const char* str = PyString_AS_STRING(self); int len = PyString_GET_SIZE(self); @@ -2013,7 +1923,8 @@ Return 1 if there are only whitespace characters in S,\n\ static PyObject* string_isspace(PyStringObject *self, PyObject *args) { - register const unsigned char *p = (unsigned char *) PyString_AS_STRING(self); + register const unsigned char *p + = (unsigned char *) PyString_AS_STRING(self); register const unsigned char *e; if (!PyArg_NoArgs(args)) @@ -2046,7 +1957,8 @@ and there is at least one character in S, 0 otherwise."; static PyObject* string_isalpha(PyUnicodeObject *self, PyObject *args) { - register const unsigned char *p = (unsigned char *) PyString_AS_STRING(self); + register const unsigned char *p + = (unsigned char *) PyString_AS_STRING(self); register const unsigned char *e; if (!PyArg_NoArgs(args)) @@ -2079,7 +1991,8 @@ and there is at least one character in S, 0 otherwise."; static PyObject* string_isalnum(PyUnicodeObject *self, PyObject *args) { - register const unsigned char *p = (unsigned char *) PyString_AS_STRING(self); + register const unsigned char *p + = (unsigned char *) PyString_AS_STRING(self); register const unsigned char *e; if (!PyArg_NoArgs(args)) @@ -2112,7 +2025,8 @@ Return 1 if there are only digit characters in S,\n\ static PyObject* string_isdigit(PyStringObject *self, PyObject *args) { - register const unsigned char *p = (unsigned char *) PyString_AS_STRING(self); + register const unsigned char *p + = (unsigned char *) PyString_AS_STRING(self); register const unsigned char *e; if (!PyArg_NoArgs(args)) @@ -2145,7 +2059,8 @@ at least one cased character in S, 0 otherwise."; static PyObject* string_islower(PyStringObject *self, PyObject *args) { - register const unsigned char *p = (unsigned char *) PyString_AS_STRING(self); + register const unsigned char *p + = (unsigned char *) PyString_AS_STRING(self); register const unsigned char *e; int cased; @@ -2181,7 +2096,8 @@ at least one cased character in S, 0 otherwise."; static PyObject* string_isupper(PyStringObject *self, PyObject *args) { - register const unsigned char *p = (unsigned char *) PyString_AS_STRING(self); + register const unsigned char *p + = (unsigned char *) PyString_AS_STRING(self); register const unsigned char *e; int cased; @@ -2218,7 +2134,8 @@ ones. Return 0 otherwise."; static PyObject* string_istitle(PyStringObject *self, PyObject *args) { - register const unsigned char *p = (unsigned char *) PyString_AS_STRING(self); + register const unsigned char *p + = (unsigned char *) PyString_AS_STRING(self); register const unsigned char *e; int cased, previous_is_cased; @@ -2375,9 +2292,7 @@ string_methods[] = { }; static PyObject * -string_getattr(s, name) - PyStringObject *s; - char *name; +string_getattr(PyStringObject *s, char *name) { return Py_FindMethod(string_methods, (PyObject*)s, name); } @@ -2409,9 +2324,7 @@ PyTypeObject PyString_Type = { }; void -PyString_Concat(pv, w) - register PyObject **pv; - register PyObject *w; +PyString_Concat(register PyObject **pv, register PyObject *w) { register PyObject *v; if (*pv == NULL) @@ -2427,9 +2340,7 @@ PyString_Concat(pv, w) } void -PyString_ConcatAndDel(pv, w) - register PyObject **pv; - register PyObject *w; +PyString_ConcatAndDel(register PyObject **pv, register PyObject *w) { PyString_Concat(pv, w); Py_XDECREF(w); @@ -2444,9 +2355,7 @@ PyString_ConcatAndDel(pv, w) already be known to some other part of the code... */ int -_PyString_Resize(pv, newsize) - PyObject **pv; - int newsize; +_PyString_Resize(PyObject **pv, int newsize) { register PyObject *v; register PyStringObject *sv; @@ -2480,10 +2389,7 @@ _PyString_Resize(pv, newsize) /* Helpers for formatstring */ static PyObject * -getnextarg(args, arglen, p_argidx) - PyObject *args; - int arglen; - int *p_argidx; +getnextarg(PyObject *args, int arglen, int *p_argidx) { int argidx = *p_argidx; if (argidx < arglen) { @@ -2505,13 +2411,8 @@ getnextarg(args, arglen, p_argidx) #define F_ZERO (1<<4) static int -formatfloat(buf, buflen, flags, prec, type, v) - char *buf; - size_t buflen; - int flags; - int prec; - int type; - PyObject *v; +formatfloat(char *buf, size_t buflen, int flags, + int prec, int type, PyObject *v) { /* fmt = '%#.' + `prec` + `type` worst case length = 3 + 10 (len of INT_MAX) + 1 = 14 (use 20)*/ @@ -2541,13 +2442,8 @@ formatfloat(buf, buflen, flags, prec, type, v) } static int -formatint(buf, buflen, flags, prec, type, v) - char *buf; - size_t buflen; - int flags; - int prec; - int type; - PyObject *v; +formatint(char *buf, size_t buflen, int flags, + int prec, int type, PyObject *v) { /* fmt = '%#.' + `prec` + 'l' + `type` worst case length = 3 + 10 (len of INT_MAX) + 1 + 1 = 15 (use 20)*/ @@ -2570,10 +2466,7 @@ formatint(buf, buflen, flags, prec, type, v) } static int -formatchar(buf, buflen, v) - char *buf; - size_t buflen; - PyObject *v; +formatchar(char *buf, size_t buflen, PyObject *v) { /* presume that the buffer is at least 2 characters long */ if (PyString_Check(v)) { @@ -2600,9 +2493,7 @@ formatchar(buf, buflen, v) #define FORMATBUFLEN (size_t)120 PyObject * -PyString_Format(format, args) - PyObject *format; - PyObject *args; +PyString_Format(PyObject *format, PyObject *args) { char *fmt, *res; int fmtcnt, rescnt, reslen, arglen, argidx; @@ -3001,8 +2892,7 @@ PyString_Format(format, args) static PyObject *interned; void -PyString_InternInPlace(p) - PyObject **p; +PyString_InternInPlace(PyObject **p) { register PyStringObject *s = (PyStringObject *)(*p); PyObject *t; @@ -3037,8 +2927,7 @@ PyString_InternInPlace(p) PyObject * -PyString_InternFromString(cp) - const char *cp; +PyString_InternFromString(const char *cp) { PyObject *s = PyString_FromString(cp); if (s == NULL) @@ -3050,7 +2939,7 @@ PyString_InternFromString(cp) #endif void -PyString_Fini() +PyString_Fini(void) { int i; for (i = 0; i < UCHAR_MAX + 1; i++) { |