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- /*
- decode_cvs.c
-
- Concurrent Versions System.
-
- Copyright (c) 2000 Dug Song <dugsong@monkey.org>
-
- $Id: decode_cvs.c,v 1.1 2000/05/16 17:31:14 dugsong Exp $
- */
-
- #include <sys/types.h>
- #include <stdio.h>
- #include <string.h>
- #include "decode.h"
-
- /* stolen from CVS scramble.c */
- static u_char cvs_shifts[] = {
- 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
- 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
- 114,120, 53, 79, 96,109, 72,108, 70, 64, 76, 67,116, 74, 68, 87,
- 111, 52, 75,119, 49, 34, 82, 81, 95, 65,112, 86,118,110,122,105,
- 41, 57, 83, 43, 46,102, 40, 89, 38,103, 45, 50, 42,123, 91, 35,
- 125, 55, 54, 66,124,126, 59, 47, 92, 71,115, 78, 88,107,106, 56,
- 36,121,117,104,101,100, 69, 73, 99, 63, 94, 93, 39, 37, 61, 48,
- 58,113, 32, 90, 44, 98, 60, 51, 33, 97, 62, 77, 84, 80, 85,223,
- 225,216,187,166,229,189,222,188,141,249,148,200,184,136,248,190,
- 199,170,181,204,138,232,218,183,255,234,220,247,213,203,226,193,
- 174,172,228,252,217,201,131,230,197,211,145,238,161,179,160,212,
- 207,221,254,173,202,146,224,151,140,196,205,130,135,133,143,246,
- 192,159,244,239,185,168,215,144,139,165,180,157,147,186,214,176,
- 227,231,219,169,175,156,206,198,129,164,150,210,154,177,134,127,
- 182,128,158,208,162,132,167,209,149,241,153,251,237,236,171,195,
- 243,233,253,240,194,250,191,155,142,137,245,235,163,242,178,152
- };
-
- int
- decode_cvs(u_char *buf, int len)
- {
- char *p;
- int i, linenum = 0;
-
- Buf[0] = '\0';
-
- if (strip_lines(buf, 5) != 5 || strncmp(buf, "BEGIN ", 6) != 0)
- return (0);
-
- for (p = strtok(buf, "\n"); p != NULL; p = strtok(NULL, "\n")) {
- linenum++;
- strlcat(Buf, p, sizeof(Buf));
-
- if (linenum == 4) {
- if (p[0] != 'A')
- return (0);
- for (i = 1; p[i] != '\0'; i++)
- p[i] = cvs_shifts[(u_char)(p[i])];
- strlcat(Buf, " [", sizeof(Buf));
- strlcat(Buf, p + 1, sizeof(Buf));
- strlcat(Buf, "]", sizeof(Buf));
- }
- strlcat(Buf, "\n", sizeof(Buf));
- }
- return (strlen(Buf));
- }
-
-