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ffm_write_write_index: check lseek() return code 

Fixes CID732185
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-10-17 20:23:16 +02:00
parent 7fd65104f4
commit 378a5b9c5f
1 changed files with 2 additions and 1 deletions
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3
ffserver.c
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@ -346,7 +346,8 @@ static int ffm_write_write_index(int fd, int64_t pos)
for(i=0;i<8;i++)
buf[i] = (pos >> (56 - i * 8)) & 0xff;
lseek(fd, 8, SEEK_SET);
if (lseek(fd, 8, SEEK_SET) < 0)
return AVERROR(EIO);
if (write(fd, buf, 8) != 8)
return AVERROR(EIO);
return 8;