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comparison factdiff.c @ 53:00dedefbdfd1

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factdiff: print the number of bytes in each varying chunk
author Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
date Fri, 26 Jul 2013 03:15:57 +0000
parents 103d996ed2d5
children
comparison
equal deleted inserted replaced
52:103d996ed2d5 53:00dedefbdfd1
49 is_diff[i] = 1; 49 is_diff[i] = 1;
50 } 50 }
51 51
52 output() 52 output()
53 { 53 {
54 int off, state, cstart; 54 int off, state, cstart, num;
55 55
56 for (off = 0; off < 65536; ) { 56 for (off = 0; off < 65536; ) {
57 state = is_diff[off]; 57 state = is_diff[off];
58 cstart = off; 58 cstart = off;
59 while (off < 65536 && is_diff[off] == state) 59 while (off < 65536 && is_diff[off] == state)
60 off++; 60 off++;
61 printf("%04X-%04X: %s\n", cstart, off-1, 61 printf("%04X-%04X: %s", cstart, off-1,
62 state ? "varying" : "constant"); 62 state ? "varying" : "constant");
63 if (state) {
64 num = off - cstart;
65 printf(" (%d byte%s)", num, num != 1 ? "s" : "");
66 }
67 putchar('\n');
63 } 68 }
64 } 69 }
65 70
66 main(argc, argv) 71 main(argc, argv)
67 char **argv; 72 char **argv;