Fix segfault with non existing input files.

Originally committed as revision 14369 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2008-07-24 15:47:28 +00:00
parent a53b545068
commit e740c796d8
1 changed files with 4 additions and 0 deletions

View File

@ -120,6 +120,10 @@ int main(int argc,char* argv[]){
f[0]= fopen(argv[1], "rb");
f[1]= fopen(argv[2], "rb");
if(!f[0] || !f[1]){
fprintf(stderr, "couldnt open input files\n");
return -1;
}
fseek(f[shift<0], shift < 0 ? -shift : shift, SEEK_SET);
fseek(f[0],skip_bytes,SEEK_CUR);