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various security fixes and precautionary checks

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Originally committed as revision 3822 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer
2005-01-12 00:16:25 +00:00
parent f14d4e7e21
commit 0ecca7a49f
36 changed files with 314 additions and 89 deletions
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2
libavformat/utils.c
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@@ -57,7 +57,7 @@ int match_ext(const char *filename, const char *extensions)
p = extensions;
for(;;) {
q = ext1;
while (*p != '\0' && *p != ',')
while (*p != '\0' && *p != ',' && q-ext1<sizeof(ext1)-1)
*q++ = *p++;
*q = '\0';
if (!strcasecmp(ext1, ext))