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fail if input and output are the same

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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
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6
tools/qt-faststart.c
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@ -27,6 +27,7 @@
#include <stdio.h> #include <stdio.h>
#include <stdlib.h> #include <stdlib.h>
#include <inttypes.h> #include <inttypes.h>
#include <string.h>
#ifdef __MINGW32__ #ifdef __MINGW32__
#define fseeko(x,y,z) fseeko64(x,y,z) #define fseeko(x,y,z) fseeko64(x,y,z)
@ -98,6 +99,11 @@ int main(int argc, char *argv[])
return 0; 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"); infile = fopen(argv[1], "rb");
if (!infile) { if (!infile) {
perror(argv[1]); perror(argv[1]);