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avutil/wchar_filename: propagate MultiByteToWideChar() and WideCharToMultiByte() failures

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Don't return success if the string could not be converted.

Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer 2023-04-12 22:53:33 -03:00
parent 19c2dc677f
commit 92885f2681
1 changed files with 4 additions and 2 deletions
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6
libavutil/wchar_filename.h
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@ -32,7 +32,8 @@ static inline int utf8towchar(const char *filename_utf8, wchar_t **filename_w)
num_chars = MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, filename_utf8, -1, NULL, 0);
if (num_chars <= 0) {
*filename_w = NULL;
return 0;
errno = EINVAL;
return -1;
}
*filename_w = (wchar_t *)av_calloc(num_chars, sizeof(wchar_t));
if (!*filename_w) {
@ -52,7 +53,8 @@ static inline int wchartocp(unsigned int code_page, const wchar_t *filename_w,
NULL, 0, NULL, NULL);
if (num_chars <= 0) {
*filename = NULL;
return 0;
errno = EINVAL;
return -1;
}
*filename = (char*)av_malloc_array(num_chars, sizeof *filename);
if (!*filename) {