RepoMirrors
/
ffmpeg
mirror of https://git.ffmpeg.org/ffmpeg.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

Add warnings to av_strlcat and av_strlcpy doxygen that the input strings 

already must be properly 0-terminated strings. Unlike strncpy it
cannot be used on raw data read from a file.

Originally committed as revision 19800 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Reimar Döffinger 2009-09-09 21:00:51 +00:00
parent 76bcd87b4c
commit 46f3b40eb3
1 changed files with 8 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
libavutil/avstring.h
View File

@ -56,6 +56,10 @@ int av_stristart(const char *str, const char *pfx, const char **ptr);
* @param src source string * @param src source string
* @param size size of destination buffer * @param size size of destination buffer
* @return the length of src * @return the length of src
*
* WARNING: since the return value is the length of src, src absolutely
* _must_ be a properly 0-terminated string, otherwise this will read beyond
* the end of the buffer and possibly crash.
*/ */
size_t av_strlcpy(char *dst, const char *src, size_t size); size_t av_strlcpy(char *dst, const char *src, size_t size);
@ -70,6 +74,10 @@ size_t av_strlcpy(char *dst, const char *src, size_t size);
* @param src source string * @param src source string
* @param size size of destination buffer * @param size size of destination buffer
* @return the total length of src and dst * @return the total length of src and dst
*
* WARNING: since the return value use the length of src and dst, these absolutely
* _must_ be a properly 0-terminated strings, otherwise this will read beyond
* the end of the buffer and possibly crash.
*/ */
size_t av_strlcat(char *dst, const char *src, size_t size); size_t av_strlcat(char *dst, const char *src, size_t size);