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Off by one fix to prevent possible segfault. Patch by jwestfall at surrealistic dot net.

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Originally committed as revision 4857 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
jwestfall@surrealistic.net 2006-01-14 17:43:22 +00:00 committed by Benjamin Larsson
parent 4bdd05e76f
commit dd1a74d25d
1 changed files with 2 additions and 2 deletions
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4
libavcodec/mpeg12.c
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@ -2178,7 +2178,7 @@ static int find_start_code(const uint8_t **pbuf_ptr, const uint8_t *buf_end)
const uint8_t *buf_ptr= *pbuf_ptr;
buf_ptr++; //gurantees that -1 is within the array
buf_end -= 2; // gurantees that +2 is within the array
buf_end -= 3; // gurantees that +3 is within the array
while (buf_ptr < buf_end) {
if(*buf_ptr==0){
@ -2192,7 +2192,7 @@ static int find_start_code(const uint8_t **pbuf_ptr, const uint8_t *buf_end)
}
buf_ptr += 2;
}
buf_end += 2; //undo the hack above
buf_end += 3; //undo the hack above
*pbuf_ptr = buf_end;
return -1;