fail if input and output are the same

Originally committed as revision 23672 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Baptiste Coudurier 2010-06-21 01:05:30 +00:00
parent cf3b4d9a78
commit 91a4abd8f5
1 changed files with 6 additions and 0 deletions

View File

@ -27,6 +27,7 @@
#include <stdio.h>
#include <stdlib.h>
#include <inttypes.h>
#include <string.h>
#ifdef __MINGW32__
#define fseeko(x,y,z) fseeko64(x,y,z)
@ -98,6 +99,11 @@ int main(int argc, char *argv[])
return 0;
}
if (!strcmp(argv[1], argv[2])) {
fprintf(stderr, "input and output files need to be different\n");
return 1;
}
infile = fopen(argv[1], "rb");
if (!infile) {
perror(argv[1]);