Annotation of src/usr.bin/cvs/cvs.c, Revision 1.51
1.51 ! joris 1: /* $OpenBSD: cvs.c,v 1.50 2005/04/11 18:02:58 joris Exp $ */
1.1 jfb 2: /*
3: * Copyright (c) 2004 Jean-Francois Brousseau <jfb@openbsd.org>
1.18 tedu 4: * All rights reserved.
1.1 jfb 5: *
1.18 tedu 6: * Redistribution and use in source and binary forms, with or without
7: * modification, are permitted provided that the following conditions
8: * are met:
1.1 jfb 9: *
1.18 tedu 10: * 1. Redistributions of source code must retain the above copyright
11: * notice, this list of conditions and the following disclaimer.
1.1 jfb 12: * 2. The name of the author may not be used to endorse or promote products
1.18 tedu 13: * derived from this software without specific prior written permission.
1.1 jfb 14: *
15: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
16: * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
17: * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
18: * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
19: * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
20: * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
21: * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
22: * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
23: * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
1.18 tedu 24: * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
1.1 jfb 25: */
26:
27: #include <sys/types.h>
28: #include <sys/wait.h>
29:
30: #include <err.h>
31: #include <pwd.h>
32: #include <errno.h>
33: #include <stdio.h>
1.27 jfb 34: #include <ctype.h>
1.1 jfb 35: #include <stdlib.h>
36: #include <unistd.h>
37: #include <signal.h>
38: #include <string.h>
39:
40: #include "cvs.h"
41: #include "log.h"
1.8 jfb 42: #include "file.h"
1.44 jfb 43: #include "strtab.h"
1.1 jfb 44:
45:
46: extern char *__progname;
47:
48:
49: /* verbosity level: 0 = really quiet, 1 = quiet, 2 = verbose */
50: int verbosity = 2;
51:
52: /* compression level used with zlib, 0 meaning no compression taking place */
53: int cvs_compress = 0;
1.17 jfb 54: int cvs_readrc = 1; /* read .cvsrc on startup */
1.1 jfb 55: int cvs_trace = 0;
56: int cvs_nolog = 0;
57: int cvs_readonly = 0;
1.17 jfb 58: int cvs_nocase = 0; /* set to 1 to disable filename case sensitivity */
1.1 jfb 59:
1.17 jfb 60: char *cvs_defargs; /* default global arguments from .cvsrc */
61: char *cvs_command; /* name of the command we are running */
1.6 jfb 62: int cvs_cmdop;
1.1 jfb 63: char *cvs_rootstr;
64: char *cvs_rsh = CVS_RSH_DEFAULT;
65: char *cvs_editor = CVS_EDITOR_DEFAULT;
66:
1.13 krapht 67: char *cvs_msg = NULL;
68:
1.10 jfb 69: /* hierarchy of all the files affected by the command */
70: CVSFILE *cvs_files;
71:
72:
1.27 jfb 73: static TAILQ_HEAD(, cvs_var) cvs_variables;
74:
1.1 jfb 75: /*
76: * Command dispatch table
77: * ----------------------
78: *
79: * The synopsis field should only contain the list of arguments that the
80: * command supports, without the actual command's name.
81: *
1.29 david 82: * Command handlers are expected to return 0 if no error occurred, or one of
1.1 jfb 83: * the values known in sysexits.h in case of an error. In case the error
1.49 joris 84: * returned is 1, the command's usage string is printed to standard
1.1 jfb 85: * error before returning.
86: */
1.43 joris 87: struct cvs_cmd cvs_cdt[] = {
1.1 jfb 88: {
1.45 joris 89: CVS_OP_ADD, "add", { "ad", "new" }, &cvs_add,
1.37 jfb 90: "[-k opt] [-m msg] file ...",
91: "k:m:",
1.1 jfb 92: "Add a new file/directory to the repository",
1.45 joris 93: NULL
1.1 jfb 94: },
95: {
1.45 joris 96: CVS_OP_ADMIN, "admin", { "adm", "rcs" }, &cvs_admin,
1.13 krapht 97: "",
1.45 joris 98: "a:A:b::c:e::Ik:l::Lm:n:N:o:qs:t:u::U",
1.1 jfb 99: "Administration front end for rcs",
1.45 joris 100: NULL
1.1 jfb 101: },
102: {
1.45 joris 103: CVS_OP_ANNOTATE, "annotate", { "ann" }, &cvs_annotate,
1.38 jfb 104: "[-flR] [-D date | -r rev] ...",
105: "D:flRr:",
1.1 jfb 106: "Show last revision where each line was modified",
1.45 joris 107: NULL
1.1 jfb 108: },
109: {
1.45 joris 110: CVS_OP_CHECKOUT, "checkout", { "co", "get" }, &cvs_checkout,
1.39 xsa 111: "[-AcflNnPpRs] [-D date | -r rev] [-d dir] [-j rev] [-k mode] "
1.38 jfb 112: "[-t id] module ...",
113: "AcD:d:fj:k:lNnPRr:st:",
1.1 jfb 114: "Checkout sources for editing",
1.45 joris 115: NULL
1.1 jfb 116: },
117: {
1.45 joris 118: CVS_OP_COMMIT, "commit", { "ci", "com" }, &cvs_commit,
1.4 jfb 119: "[-flR] [-F logfile | -m msg] [-r rev] ...",
1.13 krapht 120: "F:flm:Rr:",
1.1 jfb 121: "Check files into the repository",
1.45 joris 122: NULL
1.1 jfb 123: },
124: {
1.45 joris 125: CVS_OP_DIFF, "diff", { "di", "dif" }, &cvs_diff,
1.34 jfb 126: "[-cilNpu] [-D date] [-r rev] ...",
127: "cD:ilNpr:u",
1.1 jfb 128: "Show differences between revisions",
1.45 joris 129: NULL
1.1 jfb 130: },
131: {
1.36 jfb 132: CVS_OP_EDIT, "edit", { }, NULL,
1.1 jfb 133: "",
1.13 krapht 134: "",
1.1 jfb 135: "Get ready to edit a watched file",
1.45 joris 136: NULL
1.1 jfb 137: },
138: {
1.36 jfb 139: CVS_OP_EDITORS, "editors", { }, NULL,
1.1 jfb 140: "",
1.13 krapht 141: "",
1.1 jfb 142: "See who is editing a watched file",
1.45 joris 143: NULL
1.1 jfb 144: },
145: {
1.36 jfb 146: CVS_OP_EXPORT, "export", { "ex", "exp" }, NULL,
1.1 jfb 147: "",
1.13 krapht 148: "",
1.1 jfb 149: "Export sources from CVS, similar to checkout",
1.45 joris 150: NULL
1.1 jfb 151: },
152: {
1.45 joris 153: CVS_OP_HISTORY, "history", { "hi", "his" }, &cvs_history,
1.13 krapht 154: "",
1.45 joris 155: "acelm:oTt:u:wx:z:",
1.1 jfb 156: "Show repository access history",
1.45 joris 157: NULL
1.1 jfb 158: },
159: {
1.45 joris 160: CVS_OP_IMPORT, "import", { "im", "imp" }, &cvs_import,
1.13 krapht 161: "[-d] [-b branch] [-I ign] [-k subst] [-m msg] "
162: "repository vendor-tag release-tags ...",
163: "b:dI:k:m:",
1.1 jfb 164: "Import sources into CVS, using vendor branches",
1.45 joris 165: NULL
1.1 jfb 166: },
167: {
1.45 joris 168: CVS_OP_INIT, "init", { }, &cvs_init,
1.1 jfb 169: "",
1.13 krapht 170: "",
1.1 jfb 171: "Create a CVS repository if it doesn't exist",
1.45 joris 172: NULL
1.1 jfb 173: },
174: #if defined(HAVE_KERBEROS)
175: {
176: "kserver", {}, NULL
177: "",
1.13 krapht 178: "",
1.1 jfb 179: "Start a Kerberos authentication CVS server",
1.45 joris 180: NULL
1.1 jfb 181: },
182: #endif
183: {
1.45 joris 184: CVS_OP_LOG, "log", { "lo" }, &cvs_getlog,
1.38 jfb 185: "[-bhlNRt] [-d dates] [-r revisions] [-s states] [-w logins]",
1.45 joris 186: "d:hlRr:",
1.1 jfb 187: "Print out history information for files",
1.45 joris 188: NULL
1.1 jfb 189: },
190: {
1.6 jfb 191: -1, "login", {}, NULL,
1.1 jfb 192: "",
1.13 krapht 193: "",
1.1 jfb 194: "Prompt for password for authenticating server",
1.45 joris 195: NULL
1.1 jfb 196: },
197: {
1.6 jfb 198: -1, "logout", {}, NULL,
1.1 jfb 199: "",
1.13 krapht 200: "",
1.1 jfb 201: "Removes entry in .cvspass for remote repository",
1.45 joris 202: NULL
1.1 jfb 203: },
204: {
1.36 jfb 205: CVS_OP_RDIFF, "rdiff", {}, NULL,
1.1 jfb 206: "",
1.13 krapht 207: "",
1.1 jfb 208: "Create 'patch' format diffs between releases",
1.45 joris 209: NULL
1.1 jfb 210: },
211: {
1.36 jfb 212: CVS_OP_RELEASE, "release", {}, NULL,
1.38 jfb 213: "[-d]",
214: "d",
1.1 jfb 215: "Indicate that a Module is no longer in use",
1.45 joris 216: NULL
1.1 jfb 217: },
218: {
1.45 joris 219: CVS_OP_REMOVE, "remove", { "rm", "delete" }, &cvs_remove,
1.28 xsa 220: "[-flR] file ...",
1.38 jfb 221: "flR",
1.1 jfb 222: "Remove an entry from the repository",
1.45 joris 223: NULL
1.1 jfb 224: },
225: {
1.36 jfb 226: CVS_OP_RLOG, "rlog", {}, NULL,
1.1 jfb 227: "",
1.13 krapht 228: "",
1.1 jfb 229: "Print out history information for a module",
1.45 joris 230: NULL
1.1 jfb 231: },
232: {
1.36 jfb 233: CVS_OP_RTAG, "rtag", {}, NULL,
1.1 jfb 234: "",
1.13 krapht 235: "",
1.1 jfb 236: "Add a symbolic tag to a module",
1.45 joris 237: NULL
1.1 jfb 238: },
239: {
1.46 joris 240: CVS_OP_SERVER, "server", {}, &cmd_server,
1.1 jfb 241: "",
1.13 krapht 242: "",
1.1 jfb 243: "Server mode",
1.45 joris 244: NULL
1.1 jfb 245: },
246: {
1.45 joris 247: CVS_OP_STATUS, "status", { "st", "stat" }, &cvs_status,
1.31 jfb 248: "[-lRv]",
1.38 jfb 249: "lRv",
1.1 jfb 250: "Display status information on checked out files",
1.45 joris 251: NULL
1.1 jfb 252: },
253: {
1.45 joris 254: CVS_OP_TAG, "tag", { "ta", "freeze" }, &cvs_tag,
1.38 jfb 255: "[-bcdFflR] [-D date | -r rev] tagname",
256: "bcD:dFflRr:",
1.1 jfb 257: "Add a symbolic tag to checked out version of files",
1.45 joris 258: NULL
1.1 jfb 259: },
260: {
1.36 jfb 261: CVS_OP_UNEDIT, "unedit", {}, NULL,
1.1 jfb 262: "",
1.13 krapht 263: "",
1.1 jfb 264: "Undo an edit command",
1.45 joris 265: NULL
1.1 jfb 266: },
267: {
1.45 joris 268: CVS_OP_UPDATE, "update", { "up", "upd" }, &cvs_update,
1.39 xsa 269: "[-ACdflPpR] [-D date | -r rev] [-I ign] [-j rev] [-k mode] "
1.38 jfb 270: "[-t id] ...",
1.45 joris 271: "ACD:dflPpQqRr:",
1.1 jfb 272: "Bring work tree in sync with repository",
1.45 joris 273: NULL
1.1 jfb 274: },
275: {
1.45 joris 276: CVS_OP_VERSION, "version", { "ve", "ver" }, &cvs_version,
1.13 krapht 277: "", "",
1.1 jfb 278: "Show current CVS version(s)",
1.45 joris 279: NULL
1.1 jfb 280: },
281: {
1.36 jfb 282: CVS_OP_WATCH, "watch", {}, NULL,
1.1 jfb 283: "",
1.13 krapht 284: "",
1.1 jfb 285: "Set watches",
1.45 joris 286: NULL
1.1 jfb 287: },
288: {
1.36 jfb 289: CVS_OP_WATCHERS, "watchers", {}, NULL,
1.1 jfb 290: "",
1.13 krapht 291: "",
1.1 jfb 292: "See who is watching a file",
1.45 joris 293: NULL
1.1 jfb 294: },
295: };
296:
297: #define CVS_NBCMD (sizeof(cvs_cdt)/sizeof(cvs_cdt[0]))
298:
299:
300:
1.48 jfb 301: void usage (void);
302: static void cvs_read_rcfile (void);
303: int cvs_getopt (int, char **);
1.1 jfb 304:
305:
306: /*
307: * usage()
308: *
309: * Display usage information.
310: */
311: void
312: usage(void)
313: {
314: fprintf(stderr,
1.27 jfb 315: "Usage: %s [-flQqtv] [-d root] [-e editor] [-s var=val] [-z level] "
316: "command [...]\n", __progname);
1.1 jfb 317: }
318:
319:
320: int
321: main(int argc, char **argv)
322: {
1.17 jfb 323: char *envstr, *cmd_argv[CVS_CMD_MAXARG], **targv;
324: int i, ret, cmd_argc;
1.1 jfb 325: struct cvs_cmd *cmdp;
326:
1.27 jfb 327: TAILQ_INIT(&cvs_variables);
328:
1.1 jfb 329: if (cvs_log_init(LD_STD, 0) < 0)
330: err(1, "failed to initialize logging");
331:
332: /* by default, be very verbose */
333: (void)cvs_log_filter(LP_FILTER_UNSET, LP_INFO);
334:
335: #ifdef DEBUG
336: (void)cvs_log_filter(LP_FILTER_UNSET, LP_DEBUG);
337: #endif
338:
1.44 jfb 339: cvs_strtab_init();
340:
1.1 jfb 341: /* check environment so command-line options override it */
342: if ((envstr = getenv("CVS_RSH")) != NULL)
343: cvs_rsh = envstr;
344:
345: if (((envstr = getenv("CVSEDITOR")) != NULL) ||
346: ((envstr = getenv("VISUAL")) != NULL) ||
347: ((envstr = getenv("EDITOR")) != NULL))
348: cvs_editor = envstr;
349:
1.17 jfb 350: ret = cvs_getopt(argc, argv);
351:
352: argc -= ret;
353: argv += ret;
354: if (argc == 0) {
355: usage();
1.49 joris 356: exit(1);
1.17 jfb 357: }
358: cvs_command = argv[0];
359:
360: if (cvs_readrc) {
361: cvs_read_rcfile();
362:
363: if (cvs_defargs != NULL) {
364: targv = cvs_makeargv(cvs_defargs, &i);
365: if (targv == NULL) {
366: cvs_log(LP_ERR,
367: "failed to load default arguments to %s",
368: __progname);
1.47 xsa 369: exit(1);
1.17 jfb 370: }
371:
372: cvs_getopt(i, targv);
373: cvs_freeargv(targv, i);
374: free(targv);
375: }
376: }
377:
378: /* setup signal handlers */
379: signal(SIGPIPE, SIG_IGN);
380:
1.40 jfb 381: if (cvs_file_init() < 0) {
382: cvs_log(LP_ERR, "failed to initialize file support");
383: exit(1);
384: }
1.17 jfb 385:
386: ret = -1;
387:
388: cmdp = cvs_findcmd(cvs_command);
389: if (cmdp == NULL) {
390: fprintf(stderr, "Unknown command: `%s'\n\n", cvs_command);
391: fprintf(stderr, "CVS commands are:\n");
392: for (i = 0; i < (int)CVS_NBCMD; i++)
393: fprintf(stderr, "\t%-16s%s\n",
394: cvs_cdt[i].cmd_name, cvs_cdt[i].cmd_descr);
1.49 joris 395: exit(1);
1.17 jfb 396: }
397:
1.45 joris 398: if (cmdp->cmd_info == NULL) {
1.17 jfb 399: cvs_log(LP_ERR, "command `%s' not implemented", cvs_command);
400: exit(1);
401: }
402:
403: cvs_cmdop = cmdp->cmd_op;
404:
405: cmd_argc = 0;
406: memset(cmd_argv, 0, sizeof(cmd_argv));
407:
408: cmd_argv[cmd_argc++] = argv[0];
409: if (cmdp->cmd_defargs != NULL) {
410: /* transform into a new argument vector */
411: ret = cvs_getargv(cmdp->cmd_defargs, cmd_argv + 1,
412: CVS_CMD_MAXARG - 1);
413: if (ret < 0) {
414: cvs_log(LP_ERRNO, "failed to generate argument vector "
415: "from default arguments");
1.47 xsa 416: exit(1);
1.17 jfb 417: }
418: cmd_argc += ret;
419: }
420: for (ret = 1; ret < argc; ret++)
421: cmd_argv[cmd_argc++] = argv[ret];
422:
1.45 joris 423: ret = cvs_startcmd(cmdp, cmd_argc, cmd_argv);
1.51 ! joris 424: if (ret > 0)
! 425: fprintf(stderr, "%s [%s aborted]: ", __progname, cvs_command);
! 426:
! 427: switch (ret) {
! 428: case CVS_EX_USAGE:
! 429: fprintf(stderr, "Usage: %s", cmdp->cmd_synopsis);
! 430: break;
! 431: case CVS_EX_DATA:
! 432: fprintf(stderr, "internal data error");
! 433: break;
! 434: case CVS_EX_PROTO:
! 435: fprintf(stderr, "protocol error");
! 436: break;
! 437: case CVS_EX_FILE:
! 438: fprintf(stderr, "an operation on a file or directory failed");
! 439: break;
! 440: default:
! 441: fprintf(stderr, "unknown error");
! 442: break;
1.17 jfb 443: }
1.51 ! joris 444:
! 445: if (ret > 0)
! 446: fprintf(stderr, "\n");
1.17 jfb 447:
1.45 joris 448: if (cmdp->cmd_info->cmd_cleanup != NULL)
449: cmdp->cmd_info->cmd_cleanup();
1.17 jfb 450: if (cvs_files != NULL)
451: cvs_file_free(cvs_files);
1.33 jfb 452: if (cvs_msg != NULL)
453: free(cvs_msg);
1.44 jfb 454:
455: cvs_strtab_cleanup();
1.17 jfb 456:
457: return (ret);
458: }
459:
460:
461: int
462: cvs_getopt(int argc, char **argv)
463: {
464: int ret;
465: char *ep;
466:
1.27 jfb 467: while ((ret = getopt(argc, argv, "b:d:e:fHlnQqrs:tvz:")) != -1) {
1.1 jfb 468: switch (ret) {
1.11 jfb 469: case 'b':
470: /*
471: * We do not care about the bin directory for RCS files
472: * as this program has no dependencies on RCS programs,
473: * so it is only here for backwards compatibility.
474: */
475: cvs_log(LP_NOTICE, "the -b argument is obsolete");
476: break;
1.1 jfb 477: case 'd':
478: cvs_rootstr = optarg;
479: break;
480: case 'e':
481: cvs_editor = optarg;
482: break;
483: case 'f':
1.17 jfb 484: cvs_readrc = 0;
1.1 jfb 485: break;
486: case 'l':
487: cvs_nolog = 1;
488: break;
489: case 'n':
490: break;
491: case 'Q':
492: verbosity = 0;
493: break;
494: case 'q':
495: /* don't override -Q */
496: if (verbosity > 1)
497: verbosity = 1;
498: break;
499: case 'r':
500: cvs_readonly = 1;
501: break;
1.27 jfb 502: case 's':
503: ep = strchr(optarg, '=');
504: if (ep == NULL) {
505: cvs_log(LP_ERR, "no = in variable assignment");
1.49 joris 506: exit(1);
1.27 jfb 507: }
508: *(ep++) = '\0';
509: if (cvs_var_set(optarg, ep) < 0)
1.49 joris 510: exit(1);
1.27 jfb 511: break;
1.1 jfb 512: case 't':
1.24 jfb 513: (void)cvs_log_filter(LP_FILTER_UNSET, LP_TRACE);
1.1 jfb 514: cvs_trace = 1;
515: break;
516: case 'v':
517: printf("%s\n", CVS_VERSION);
518: exit(0);
519: /* NOTREACHED */
1.11 jfb 520: break;
521: case 'x':
522: /*
523: * Kerberos encryption support, kept for compatibility
524: */
1.1 jfb 525: break;
526: case 'z':
1.18 tedu 527: cvs_compress = (int)strtol(optarg, &ep, 10);
1.1 jfb 528: if (*ep != '\0')
529: errx(1, "error parsing compression level");
530: if (cvs_compress < 0 || cvs_compress > 9)
531: errx(1, "gzip compression level must be "
532: "between 0 and 9");
533: break;
534: default:
535: usage();
1.49 joris 536: exit(1);
1.1 jfb 537: }
538: }
539:
1.17 jfb 540: ret = optind;
1.1 jfb 541: optind = 1;
1.17 jfb 542: optreset = 1; /* for next call */
1.12 jfb 543:
1.1 jfb 544: return (ret);
545: }
546:
547:
548: /*
549: * cvs_findcmd()
550: *
551: * Find the entry in the command dispatch table whose name or one of its
552: * aliases matches <cmd>.
553: * Returns a pointer to the command entry on success, NULL on failure.
554: */
1.48 jfb 555: struct cvs_cmd*
1.1 jfb 556: cvs_findcmd(const char *cmd)
557: {
558: u_int i, j;
559: struct cvs_cmd *cmdp;
560:
561: cmdp = NULL;
562:
563: for (i = 0; (i < CVS_NBCMD) && (cmdp == NULL); i++) {
564: if (strcmp(cmd, cvs_cdt[i].cmd_name) == 0)
565: cmdp = &cvs_cdt[i];
566: else {
567: for (j = 0; j < CVS_CMD_MAXALIAS; j++) {
568: if (strcmp(cmd, cvs_cdt[i].cmd_alias[j]) == 0) {
569: cmdp = &cvs_cdt[i];
570: break;
571: }
572: }
573: }
574: }
575:
576: return (cmdp);
577: }
578:
579:
580: /*
1.17 jfb 581: * cvs_read_rcfile()
1.1 jfb 582: *
583: * Read the CVS `.cvsrc' file in the user's home directory. If the file
584: * exists, it should contain a list of arguments that should always be given
585: * implicitly to the specified commands.
586: */
1.42 joris 587: static void
1.17 jfb 588: cvs_read_rcfile(void)
1.1 jfb 589: {
590: char rcpath[MAXPATHLEN], linebuf[128], *lp;
1.23 xsa 591: int linenum = 0;
1.17 jfb 592: size_t len;
1.1 jfb 593: struct cvs_cmd *cmdp;
594: struct passwd *pw;
595: FILE *fp;
596:
597: pw = getpwuid(getuid());
598: if (pw == NULL) {
599: cvs_log(LP_NOTICE, "failed to get user's password entry");
600: return;
601: }
602:
603: snprintf(rcpath, sizeof(rcpath), "%s/%s", pw->pw_dir, CVS_PATH_RC);
604:
605: fp = fopen(rcpath, "r");
606: if (fp == NULL) {
607: if (errno != ENOENT)
608: cvs_log(LP_NOTICE, "failed to open `%s': %s", rcpath,
609: strerror(errno));
610: return;
611: }
612:
613: while (fgets(linebuf, sizeof(linebuf), fp) != NULL) {
1.23 xsa 614: linenum++;
1.17 jfb 615: if ((len = strlen(linebuf)) == 0)
616: continue;
617: if (linebuf[len - 1] != '\n') {
1.23 xsa 618: cvs_log(LP_WARN, "line too long in `%s:%d'", rcpath,
619: linenum);
1.17 jfb 620: break;
621: }
622: linebuf[--len] = '\0';
623:
1.1 jfb 624: lp = strchr(linebuf, ' ');
625: if (lp == NULL)
1.17 jfb 626: continue; /* ignore lines with no arguments */
627: *lp = '\0';
1.1 jfb 628: if (strcmp(linebuf, "cvs") == 0) {
1.17 jfb 629: /*
630: * Global default options. In the case of cvs only,
631: * we keep the 'cvs' string as first argument because
632: * getopt() does not like starting at index 0 for
633: * argument processing.
634: */
635: *lp = ' ';
636: cvs_defargs = strdup(linebuf);
637: if (cvs_defargs == NULL)
638: cvs_log(LP_ERRNO,
639: "failed to copy global arguments");
1.15 deraadt 640: } else {
1.17 jfb 641: lp++;
1.1 jfb 642: cmdp = cvs_findcmd(linebuf);
643: if (cmdp == NULL) {
644: cvs_log(LP_NOTICE,
1.25 xsa 645: "unknown command `%s' in `%s:%d'",
646: linebuf, rcpath, linenum);
1.1 jfb 647: continue;
648: }
1.17 jfb 649:
650: cmdp->cmd_defargs = strdup(lp);
651: if (cmdp->cmd_defargs == NULL)
652: cvs_log(LP_ERRNO,
653: "failed to copy default arguments for %s",
654: cmdp->cmd_name);
1.1 jfb 655: }
656: }
657: if (ferror(fp)) {
1.23 xsa 658: cvs_log(LP_NOTICE, "failed to read line from `%s'", rcpath);
1.1 jfb 659: }
660:
661: (void)fclose(fp);
1.27 jfb 662: }
663:
664:
665: /*
666: * cvs_var_set()
667: *
668: * Set the value of the variable <var> to <val>. If there is no such variable,
669: * a new entry is created, otherwise the old value is overwritten.
670: * Returns 0 on success, or -1 on failure.
671: */
672: int
673: cvs_var_set(const char *var, const char *val)
674: {
675: char *valcp;
676: const char *cp;
677: struct cvs_var *vp;
678:
679: if ((var == NULL) || (*var == '\0')) {
680: cvs_log(LP_ERR, "no variable name");
681: return (-1);
682: }
683:
684: /* sanity check on the name */
685: for (cp = var; *cp != '\0'; cp++)
686: if (!isalnum(*cp) && (*cp != '_')) {
687: cvs_log(LP_ERR,
688: "variable name `%s' contains invalid characters",
689: var);
690: return (-1);
691: }
692:
693: TAILQ_FOREACH(vp, &cvs_variables, cv_link)
694: if (strcmp(vp->cv_name, var) == 0)
695: break;
696:
697: valcp = strdup(val);
698: if (valcp == NULL) {
699: cvs_log(LP_ERRNO, "failed to allocate variable");
700: return (-1);
701: }
702:
703: if (vp == NULL) {
704: vp = (struct cvs_var *)malloc(sizeof(*vp));
705: if (vp == NULL) {
706: cvs_log(LP_ERRNO, "failed to allocate variable");
707: free(valcp);
708: return (-1);
709: }
710: memset(vp, 0, sizeof(*vp));
711:
712: vp->cv_name = strdup(var);
713: if (vp->cv_name == NULL) {
714: cvs_log(LP_ERRNO, "failed to allocate variable");
715: free(valcp);
716: free(vp);
717: return (-1);
718: }
719:
720: TAILQ_INSERT_TAIL(&cvs_variables, vp, cv_link);
721:
722: } else /* free the previous value */
723: free(vp->cv_val);
724:
725: vp->cv_val = valcp;
726:
727: return (0);
728: }
729:
730:
731: /*
732: * cvs_var_set()
733: *
734: * Remove any entry for the variable <var>.
735: * Returns 0 on success, or -1 on failure.
736: */
737: int
738: cvs_var_unset(const char *var)
739: {
740: struct cvs_var *vp;
741:
742: TAILQ_FOREACH(vp, &cvs_variables, cv_link)
743: if (strcmp(vp->cv_name, var) == 0) {
744: TAILQ_REMOVE(&cvs_variables, vp, cv_link);
745: free(vp->cv_name);
746: free(vp->cv_val);
747: free(vp);
748: return (0);
749: }
750:
751: return (-1);
752:
753: }
754:
755:
756: /*
757: * cvs_var_get()
758: *
759: * Get the value associated with the variable <var>. Returns a pointer to the
760: * value string on success, or NULL if the variable does not exist.
761: */
762:
763: const char*
764: cvs_var_get(const char *var)
765: {
766: struct cvs_var *vp;
767:
768: TAILQ_FOREACH(vp, &cvs_variables, cv_link)
769: if (strcmp(vp->cv_name, var) == 0)
770: return (vp->cv_val);
771:
772: return (NULL);
1.1 jfb 773: }
![[BACK]](/icons/back.gif){kind=icon}
Return to cvs.c CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [local] / src / usr.bin / cvs