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/* Simple utility to compare 2 files.
* Diff or cmp are not sufficient, when
* comparing bioses :-)
*
* Copyright (c) 1998-2000 by Stefan Reinauer
*/
#include <stdio.h>
int main (int argc, char *argv[])
{
FILE *eins,*zwei;
int a,b,i=0,flag=0;
if(argv[1]==NULL||argv[2]==NULL) {
printf ("Usage: %s file1 file2\n %s compares two files.\n",argv[0],argv[0]);
return 0;
}
eins=fopen(argv[1],"r");
zwei=fopen(argv[2],"r");
if (eins==NULL) {
printf ("File %s not found or unreadable.\n",argv[1]);
return 0;
}
if (zwei==NULL) {
printf ("File %s not found or unreadable.\n",argv[2]);
fclose (eins);
return 0;
}
while (!feof(eins)) {
a=fgetc(eins);
b=fgetc(zwei);
if (flag==0 && (a==-1||b==-1) && (a!=-1||b!=-1)) {
printf ("One file ended. Printing the rest of the other.\n");
flag=1;
}
if(a!=b) printf ("0x%06x: 0x%02x -> 0x%02x\n",i,a,b);
i++;
}
fclose(eins);
fclose(zwei);
return 0;
}
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