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