| File: | src/usr.bin/cvs/history.c |
| Warning: | line 240, column 2 Value stored to 'argv' is never read |
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| 1 | /* $OpenBSD: history.c,v 1.45 2017/07/20 13:39:11 okan Exp $ */ |
| 2 | /* |
| 3 | * Copyright (c) 2007 Joris Vink <joris@openbsd.org> |
| 4 | * |
| 5 | * Permission to use, copy, modify, and distribute this software for any |
| 6 | * purpose with or without fee is hereby granted, provided that the above |
| 7 | * copyright notice and this permission notice appear in all copies. |
| 8 | * |
| 9 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| 10 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| 11 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
| 12 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| 13 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| 14 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
| 15 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| 16 | */ |
| 17 | |
| 18 | #include <sys/stat.h> |
| 19 | |
| 20 | #include <ctype.h> |
| 21 | #include <errno(*__errno()).h> |
| 22 | #include <fcntl.h> |
| 23 | #include <pwd.h> |
| 24 | #include <stdlib.h> |
| 25 | #include <string.h> |
| 26 | #include <time.h> |
| 27 | #include <unistd.h> |
| 28 | |
| 29 | #include "cvs.h" |
| 30 | #include "remote.h" |
| 31 | |
| 32 | void cvs_history_local(struct cvs_file *); |
| 33 | |
| 34 | static void history_compress(char *, const char *); |
| 35 | |
| 36 | struct cvs_cmd cvs_cmd_history = { |
| 37 | CVS_OP_HISTORY10, CVS_USE_WDIR0x01, "history", |
| 38 | { "hi", "his" }, /* omghi2you */ |
| 39 | "Display history of actions done in the base repository", |
| 40 | "[-ac]", |
| 41 | "ac", |
| 42 | NULL((void *)0), |
| 43 | cvs_history |
| 44 | }; |
| 45 | |
| 46 | /* keep in sync with the defines for history stuff in cvs.h */ |
| 47 | const char historytab[] = { |
| 48 | 'T', |
| 49 | 'O', |
| 50 | 'E', |
| 51 | 'F', |
| 52 | 'W', |
| 53 | 'U', |
| 54 | 'G', |
| 55 | 'C', |
| 56 | 'M', |
| 57 | 'A', |
| 58 | 'R', |
| 59 | '\0' |
| 60 | }; |
| 61 | |
| 62 | #define HISTORY_ALL_USERS0x01 0x01 |
| 63 | #define HISTORY_DISPLAY_ARCHIVED0x02 0x02 |
| 64 | |
| 65 | void |
| 66 | cvs_history_add(int type, struct cvs_file *cf, const char *argument) |
| 67 | { |
| 68 | BUF *buf; |
| 69 | FILE *fp; |
| 70 | RCSNUM *hrev; |
| 71 | size_t len; |
| 72 | int fd; |
| 73 | char *cwd, *p, *rev; |
| 74 | char revbuf[CVS_REV_BUFSZ32], repo[PATH_MAX1024], fpath[PATH_MAX1024]; |
| 75 | char timebuf[CVS_TIME_BUFSZ64]; |
| 76 | struct tm datetm; |
| 77 | |
| 78 | if (cvs_nolog == 1) |
| 79 | return; |
| 80 | |
| 81 | if (cvs_cmdop == CVS_OP_CHECKOUT4 || cvs_cmdop == CVS_OP_EXPORT9) { |
| 82 | if (type != CVS_HISTORY_CHECKOUT1 && |
| 83 | type != CVS_HISTORY_EXPORT2) |
| 84 | return; |
| 85 | } |
| 86 | |
| 87 | cvs_log(LP_TRACE4, "cvs_history_add(`%c', `%s', `%s')", |
| 88 | historytab[type], (cf != NULL((void *)0)) ? cf->file_name : "", argument); |
| 89 | |
| 90 | /* construct repository field */ |
| 91 | if (cvs_cmdop != CVS_OP_CHECKOUT4 && cvs_cmdop != CVS_OP_EXPORT9) { |
| 92 | cvs_get_repository_name((cf != NULL((void *)0)) ? cf->file_wd : ".", |
| 93 | repo, sizeof(repo)); |
| 94 | } else { |
| 95 | cvs_get_repository_name(argument, repo, sizeof(repo)); |
| 96 | } |
| 97 | |
| 98 | if (cvs_server_active == 1) { |
| 99 | cwd = "<remote>"; |
| 100 | } else { |
| 101 | if (getcwd(fpath, sizeof(fpath)) == NULL((void *)0)) |
| 102 | fatal("cvs_history_add: getcwd: %s", strerror(errno(*__errno()))); |
| 103 | p = fpath; |
| 104 | if (cvs_cmdop == CVS_OP_CHECKOUT4 || |
| 105 | cvs_cmdop == CVS_OP_EXPORT9) { |
| 106 | if (strlcat(fpath, "/", sizeof(fpath)) >= |
| 107 | sizeof(fpath) || strlcat(fpath, argument, |
| 108 | sizeof(fpath)) >= sizeof(fpath)) |
| 109 | fatal("cvs_history_add: string truncation"); |
| 110 | } |
| 111 | if (cvs_homedir != NULL((void *)0) && cvs_homedir[0] != '\0') { |
| 112 | len = strlen(cvs_homedir); |
| 113 | if (strncmp(cvs_homedir, fpath, len) == 0 && |
| 114 | fpath[len] == '/') { |
| 115 | p += len - 1; |
| 116 | *p = '~'; |
| 117 | } |
| 118 | } |
| 119 | |
| 120 | history_compress(p, repo); |
| 121 | cwd = xstrdup(p); |
| 122 | } |
| 123 | |
| 124 | /* construct revision field */ |
| 125 | revbuf[0] = '\0'; |
| 126 | rev = revbuf; |
| 127 | switch (type) { |
| 128 | case CVS_HISTORY_TAG0: |
| 129 | strlcpy(revbuf, argument, sizeof(revbuf)); |
| 130 | break; |
| 131 | case CVS_HISTORY_CHECKOUT1: |
| 132 | case CVS_HISTORY_EXPORT2: |
| 133 | /* |
| 134 | * buf_alloc uses xcalloc(), so we are safe even |
| 135 | * if neither cvs_specified_tag nor cvs_specified_date |
| 136 | * have been supplied. |
| 137 | */ |
| 138 | buf = buf_alloc(128); |
| 139 | if (cvs_specified_tag != NULL((void *)0)) { |
| 140 | buf_puts(buf, cvs_specified_tag); |
| 141 | if (cvs_specified_date != -1) |
| 142 | buf_putc(buf, ':'); |
| 143 | } |
| 144 | if (cvs_specified_date != -1) { |
| 145 | gmtime_r(&cvs_specified_date, &datetm); |
| 146 | strftime(timebuf, sizeof(timebuf), |
| 147 | "%Y.%m.%d.%H.%M.%S", &datetm); |
| 148 | buf_puts(buf, timebuf); |
| 149 | } |
| 150 | rev = buf_release(buf); |
| 151 | break; |
| 152 | case CVS_HISTORY_UPDATE_MERGED6: |
| 153 | case CVS_HISTORY_UPDATE_MERGED_ERR7: |
| 154 | case CVS_HISTORY_COMMIT_MODIFIED8: |
| 155 | case CVS_HISTORY_COMMIT_ADDED9: |
| 156 | case CVS_HISTORY_COMMIT_REMOVED10: |
| 157 | case CVS_HISTORY_UPDATE_CO5: |
| 158 | if ((hrev = rcs_head_get(cf->file_rcs)) == NULL((void *)0)) |
| 159 | fatal("cvs_history_add: rcs_head_get failed"); |
| 160 | rcsnum_tostr(hrev, revbuf, sizeof(revbuf)); |
| 161 | free(hrev); |
| 162 | break; |
| 163 | } |
| 164 | |
| 165 | (void)xsnprintf(fpath, sizeof(fpath), "%s/%s", |
| 166 | current_cvsroot->cr_dir, CVS_PATH_HISTORY"CVSROOT" "/history"); |
| 167 | |
| 168 | if ((fd = open(fpath, O_WRONLY0x0001|O_APPEND0x0008)) == -1) { |
| 169 | if (errno(*__errno()) != ENOENT2) |
| 170 | cvs_log(LP_ERR1, "failed to open history file"); |
| 171 | } else { |
| 172 | if ((fp = fdopen(fd, "a")) != NULL((void *)0)) { |
| 173 | fprintf(fp, "%c%08llx|%s|%s|%s|%s|%s\n", |
| 174 | historytab[type], (long long)time(NULL((void *)0)), |
| 175 | getlogin(), cwd, repo, rev, |
| 176 | (cf != NULL((void *)0)) ? cf->file_name : argument); |
| 177 | (void)fclose(fp); |
| 178 | } else { |
| 179 | cvs_log(LP_ERR1, "failed to add entry to history file"); |
| 180 | (void)close(fd); |
| 181 | } |
| 182 | } |
| 183 | |
| 184 | if (rev != revbuf) |
| 185 | free(rev); |
| 186 | if (cvs_server_active != 1) |
| 187 | free(cwd); |
| 188 | } |
| 189 | |
| 190 | static void |
| 191 | history_compress(char *wdir, const char *repo) |
| 192 | { |
| 193 | char *p; |
| 194 | const char *q; |
| 195 | size_t repo_len, wdir_len; |
| 196 | |
| 197 | repo_len = strlen(repo); |
| 198 | wdir_len = strlen(wdir); |
| 199 | |
| 200 | p = wdir + wdir_len; |
| 201 | q = repo + repo_len; |
| 202 | |
| 203 | while (p >= wdir && q >= repo) { |
| 204 | if (*p != *q) |
| 205 | break; |
| 206 | p--; |
| 207 | q--; |
| 208 | } |
| 209 | p++; |
| 210 | q++; |
| 211 | |
| 212 | /* if it's not worth the effort, skip compression */ |
| 213 | if (repo + repo_len - q < 3) |
| 214 | return; |
| 215 | |
| 216 | (void)xsnprintf(p, strlen(p) + 1, "*%zx", q - repo); |
| 217 | } |
| 218 | |
| 219 | int |
| 220 | cvs_history(int argc, char **argv) |
| 221 | { |
| 222 | int ch, flags; |
| 223 | |
| 224 | flags = 0; |
| 225 | |
| 226 | while ((ch = getopt(argc, argv, cvs_cmd_history.cmd_opts)) != -1) { |
| 227 | switch (ch) { |
| 228 | case 'a': |
| 229 | flags |= HISTORY_ALL_USERS0x01; |
| 230 | break; |
| 231 | case 'c': |
| 232 | flags |= HISTORY_DISPLAY_ARCHIVED0x02; |
| 233 | break; |
| 234 | default: |
| 235 | fatal("%s", cvs_cmd_history.cmd_synopsis); |
| 236 | } |
| 237 | } |
| 238 | |
| 239 | argc -= optind; |
| 240 | argv += optind; |
Value stored to 'argv' is never read | |
| 241 | |
| 242 | return (0); |
| 243 | } |