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Create _Py_fopen() for PyUnicodeObject path 

Call _wfopen() on Windows, or fopen() otherwise. Return the new file object on
success, or NULL if the file cannot be open or (if PyErr_Occurred()) on unicode
error.
This commit is contained in:
Victor Stinner 2010-08-14 17:06:04 +00:00
parent 17d1e2abd8
commit f52b705be4
2 changed files with 35 additions and 1 deletions
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3
Include/Python.h
View File

@ -135,7 +135,8 @@ PyAPI_FUNC(wchar_t *) _Py_char2wchar(char *);
PyAPI_FUNC(char*) _Py_wchar2char(const wchar_t *text);
PyAPI_FUNC(FILE *) _Py_wfopen(const wchar_t *path, const wchar_t *mode);
/* _Py_stat lives in import.c */
/* These functions live in import.c */
PyAPI_FUNC(FILE*) _Py_fopen(PyObject *unicode, const char *mode);
#ifdef HAVE_STAT
int _Py_stat(PyObject *unicode, struct stat *statbuf);
#endif

33
Python/import.c
View File

@ -1960,6 +1960,39 @@ case_ok(char *buf, Py_ssize_t len, Py_ssize_t namelen, char *name)
#endif
}
/* Call _wfopen() on Windows, or fopen() otherwise. Return the new file
object on success, or NULL if the file cannot be open or (if
PyErr_Occurred()) on unicode error */
FILE*
_Py_fopen(PyObject *unicode, const char *mode)
{
#ifdef MS_WINDOWS
wchar_t path[MAXPATHLEN+1];
wchar_t wmode[10];
Py_ssize_t len;
int usize;
len = PyUnicode_AsWideChar((PyUnicodeObject*)unicode, path, MAXPATHLEN);
if (len == -1)
return NULL;
path[len] = L'\0';
usize = MultiByteToWideChar(CP_ACP, 0, mode, -1, wmode, sizeof(wmode));
if (usize == 0)
return NULL;
return _wfopen(path, wmode);
#else
FILE *f;
PyObject *bytes = PyUnicode_EncodeFSDefault(unicode);
if (bytes == NULL)
return NULL;
f = fopen(PyBytes_AS_STRING(bytes), mode);
Py_DECREF(bytes);
return f;
#endif
}
#ifdef HAVE_STAT