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av_tempfile: document umask() issue

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Michael Niedermayer 2012-10-31 16:09:02 +01:00
parent 1b21642149
commit 31bf820a26
1 changed files with 3 additions and 0 deletions
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3
libavutil/file.h
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@ -57,6 +57,9 @@ void av_file_unmap(uint8_t *bufptr, size_t size);
* *prefix can be a character constant; *filename will be allocated internally.
* @return file descriptor of opened file (or -1 on error)
* and opened file name in **filename.
* @note On very old libcs it is necceary to set a secure umask before
* calling this, av_tempfile() cant call umask itself as it is used in
* libraries and could interfere with the calling application.
*/
int av_tempfile(const char *prefix, char **filename, int log_offset, void *log_ctx);