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pktdumper: Use av_strlcpy instead of strncpy

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This takes care of null-terminating the buffer if it is too small,
which wasn't handled properly before.

Signed-off-by: Martin Storsjö <martin@martin.st>
This commit is contained in:
Martin Storsjö 2012-08-30 23:10:07 +03:00
parent 372de27df7
commit bcc44873d9
1 changed files with 3 additions and 2 deletions
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5
tools/pktdumper.c
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@ -31,6 +31,7 @@
#include <io.h> #include <io.h>
#endif #endif
#include "libavutil/avstring.h"
#include "libavutil/time.h" #include "libavutil/time.h"
#include "libavformat/avformat.h" #include "libavformat/avformat.h"
@ -70,9 +71,9 @@ int main(int argc, char **argv)
return usage(1); return usage(1);
if (argc > 2) if (argc > 2)
maxpkts = atoi(argv[2]); maxpkts = atoi(argv[2]);
strncpy(fntemplate, argv[1], sizeof(fntemplate) - 1); av_strlcpy(fntemplate, argv[1], sizeof(fntemplate));
if (strrchr(argv[1], '/')) if (strrchr(argv[1], '/'))
strncpy(fntemplate, strrchr(argv[1], '/') + 1, sizeof(fntemplate) - 1); av_strlcpy(fntemplate, strrchr(argv[1], '/') + 1, sizeof(fntemplate));
if (strrchr(fntemplate, '.')) if (strrchr(fntemplate, '.'))
*strrchr(fntemplate, '.') = '\0'; *strrchr(fntemplate, '.') = '\0';
if (strchr(fntemplate, '%')) { if (strchr(fntemplate, '%')) {