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-rw-r--r--Include/fileutils.h3
-rw-r--r--Modules/main.c6
-rw-r--r--Modules/python.c2
-rw-r--r--Objects/unicodeobject.c5
-rw-r--r--Python/fileutils.c27
5 files changed, 26 insertions, 17 deletions
diff --git a/Include/fileutils.h b/Include/fileutils.h
index cb15936..11ebebf 100644
--- a/Include/fileutils.h
+++ b/Include/fileutils.h
@@ -6,7 +6,8 @@ extern "C" {
#endif
PyAPI_FUNC(wchar_t *) _Py_char2wchar(
- const char *arg);
+ const char *arg,
+ size_t *size);
PyAPI_FUNC(char*) _Py_wchar2char(
const wchar_t *text);
diff --git a/Modules/main.c b/Modules/main.c
index bbf695f..0c38fac 100644
--- a/Modules/main.c
+++ b/Modules/main.c
@@ -486,10 +486,12 @@ Py_Main(int argc, wchar_t **argv)
/* Use utf-8 on Mac OS X */
unicode = PyUnicode_FromString(p);
#else
- wchar_t *wchar = _Py_char2wchar(p);
+ wchar_t *wchar;
+ size_t len;
+ wchar = _Py_char2wchar(p, &len);
if (wchar == NULL)
continue;
- unicode = PyUnicode_FromWideChar(wchar, wcslen(wchar));
+ unicode = PyUnicode_FromWideChar(wchar, len);
PyMem_Free(wchar);
#endif
if (unicode == NULL)
diff --git a/Modules/python.c b/Modules/python.c
index 9a71cd0..47685a4 100644
--- a/Modules/python.c
+++ b/Modules/python.c
@@ -41,7 +41,7 @@ main(int argc, char **argv)
oldloc = strdup(setlocale(LC_ALL, NULL));
setlocale(LC_ALL, "");
for (i = 0; i < argc; i++) {
- argv_copy[i] = _Py_char2wchar(argv[i]);
+ argv_copy[i] = _Py_char2wchar(argv[i], NULL);
if (!argv_copy[i])
return 1;
argv_copy2[i] = argv_copy[i];
diff --git a/Objects/unicodeobject.c b/Objects/unicodeobject.c
index 98427e3..9fe9c42 100644
--- a/Objects/unicodeobject.c
+++ b/Objects/unicodeobject.c
@@ -1783,17 +1783,18 @@ PyUnicode_DecodeFSDefaultAndSize(const char *s, Py_ssize_t size)
/* locale encoding with surrogateescape */
wchar_t *wchar;
PyObject *unicode;
+ size_t len;
if (s[size] != '\0' || size != strlen(s)) {
PyErr_SetString(PyExc_TypeError, "embedded NUL character");
return NULL;
}
- wchar = _Py_char2wchar(s);
+ wchar = _Py_char2wchar(s, &len);
if (wchar == NULL)
return NULL;
- unicode = PyUnicode_FromWideChar(wchar, -1);
+ unicode = PyUnicode_FromWideChar(wchar, len);
PyMem_Free(wchar);
return unicode;
}
diff --git a/Python/fileutils.c b/Python/fileutils.c
index b8910b7..03fc0cb 100644
--- a/Python/fileutils.c
+++ b/Python/fileutils.c
@@ -13,11 +13,12 @@
Use _Py_wchar2char() to encode the character string back to a byte string.
- Return a pointer to a newly allocated (wide) character string (use
- PyMem_Free() to free the memory), or NULL on error (conversion error or
- memory error). */
+ Return a pointer to a newly allocated wide character string (use
+ PyMem_Free() to free the memory) and write the number of written wide
+ characters excluding the null character into *size if size is not NULL, or
+ NULL on error (conversion error or memory error). */
wchar_t*
-_Py_char2wchar(const char* arg)
+_Py_char2wchar(const char* arg, size_t *size)
{
wchar_t *res;
#ifdef HAVE_BROKEN_MBSTOWCS
@@ -47,8 +48,11 @@ _Py_char2wchar(const char* arg)
for (tmp = res; *tmp != 0 &&
(*tmp < 0xd800 || *tmp > 0xdfff); tmp++)
;
- if (*tmp == 0)
+ if (*tmp == 0) {
+ if (size != NULL)
+ *size = count;
return res;
+ }
}
PyMem_Free(res);
}
@@ -113,6 +117,8 @@ _Py_char2wchar(const char* arg)
*out++ = 0xdc00 + *in++;
*out = 0;
#endif
+ if (size != NULL)
+ *size = out - res;
return res;
oom:
fprintf(stderr, "out of memory\n");
@@ -325,12 +331,11 @@ _Py_wreadlink(const wchar_t *path, wchar_t *buf, size_t bufsiz)
return -1;
}
cbuf[res] = '\0'; /* buf will be null terminated */
- wbuf = _Py_char2wchar(cbuf);
+ wbuf = _Py_char2wchar(cbuf, &r1);
if (wbuf == NULL) {
errno = EINVAL;
return -1;
}
- r1 = wcslen(wbuf);
if (bufsiz <= r1) {
PyMem_Free(wbuf);
errno = EINVAL;
@@ -366,12 +371,11 @@ _Py_wrealpath(const wchar_t *path,
if (res == NULL)
return NULL;
- wresolved_path = _Py_char2wchar(cresolved_path);
+ wresolved_path = _Py_char2wchar(cresolved_path, &r);
if (wresolved_path == NULL) {
errno = EINVAL;
return NULL;
}
- r = wcslen(wresolved_path);
if (resolved_path_size <= r) {
PyMem_Free(wresolved_path);
errno = EINVAL;
@@ -394,13 +398,14 @@ _Py_wgetcwd(wchar_t *buf, size_t size)
#else
char fname[PATH_MAX];
wchar_t *wname;
+ size_t len;
if (getcwd(fname, PATH_MAX) == NULL)
return NULL;
- wname = _Py_char2wchar(fname);
+ wname = _Py_char2wchar(fname, &len);
if (wname == NULL)
return NULL;
- if (size <= wcslen(wname)) {
+ if (size <= len) {
PyMem_Free(wname);
return NULL;
}