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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 1186 | savelij | 1 | #include <stdio.h> |
| 2 | #include <stdlib.h> |
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| 3 | |||
| 4 | int main(argc, argv) |
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| 5 | int argc; |
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| 6 | char **argv; |
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| 7 | { |
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| 8 | FILE *f1,*f2; |
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| 9 | unsigned char c1,c2; |
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| 10 | long pos = 0; |
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| 11 | |||
| 12 | if (argc != 3) |
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| 13 | { |
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| 14 | fprintf(stderr, "calling convention: %s <file1> <file2>\n", argv[0]); |
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| 15 | return 1; |
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| 16 | } |
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| 17 | |||
| 18 | f1 = fopen(argv[1], "rb"); |
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| 19 | if (f1 == NULL) |
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| 20 | { |
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| 21 | perror(argv[1]); |
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| 22 | exit(2); |
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| 23 | } |
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| 24 | f2 = fopen(argv[2], "rb"); |
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| 25 | if (f2 == NULL) |
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| 26 | { |
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| 27 | perror(argv[2]); |
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| 28 | exit(2); |
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| 29 | } |
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| 30 | |||
| 31 | while ((!feof(f1)) && (!feof(f2))) |
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| 32 | { |
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| 33 | fread(&c1, 1, 1, f1); |
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| 34 | fread(&c2, 1, 1, f2); |
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| 35 | if (c1 != c2) |
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| 36 | { |
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| 37 | fprintf(stderr,"compare error at position %d\n",pos); |
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| 38 | fclose(f1); |
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| 39 | fclose(f2); |
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| 40 | exit(3); |
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| 41 | } |
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| 42 | pos++; |
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| 43 | } |
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| 44 | |||
| 45 | if (feof(f1) != feof(f2)) |
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| 46 | { |
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| 47 | fprintf(stderr,"files have different sizes\n"); |
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| 48 | fclose(f1); |
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| 49 | fclose(f2); |
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| 50 | exit(4); |
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| 51 | } |
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| 52 | |||
| 53 | fclose(f1); |
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| 54 | fclose(f2); |
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| 55 | return 0; |
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| 56 | } |