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Annotation of src/usr.bin/rcs/ci.c, Revision 1.180

1.180   ! niallo      1: /*     $OpenBSD: ci.c,v 1.179 2006/06/02 19:10:23 david Exp $  */
1.1       niallo      2: /*
1.98      niallo      3:  * Copyright (c) 2005, 2006 Niall O'Higgins <niallo@openbsd.org>
1.1       niallo      4:  * All rights reserved.
                      5:  *
                      6:  * Redistribution and use in source and binary forms, with or without
1.143     niallo      7:  * modification, are permitted provided that the following conditions
1.1       niallo      8:  * are met:
                      9:  *
1.143     niallo     10:  * 1. Redistributions of source code must retain the above copyright
                     11:  *    notice, this list of conditions and the following disclaimer.
1.1       niallo     12:  * 2. The name of the author may not be used to endorse or promote products
                     13:  *    derived from this software without specific prior written permission.
                     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
                     24:  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
                     25:  */
                     26:
1.91      xsa        27: #include "includes.h"
1.1       niallo     28:
1.92      xsa        29: #include "rcsprog.h"
1.4       niallo     30: #include "diff.h"
1.9       niallo     31:
1.157     ray        32: #define CI_OPTSTRING   "d::f::I::i::j::k::l::M::m::N:n:qr::s:Tt::u::Vw:x::z::"
1.107     deraadt    33: #define DATE_NOW       -1
                     34: #define DATE_MTIME     -2
                     35:
                     36: #define KW_ID          "Id"
                     37: #define KW_AUTHOR      "Author"
                     38: #define KW_DATE                "Date"
                     39: #define KW_STATE       "State"
                     40: #define KW_REVISION    "Revision"
                     41:
                     42: #define KW_TYPE_ID             1
                     43: #define KW_TYPE_AUTHOR         2
                     44: #define KW_TYPE_DATE           3
                     45: #define KW_TYPE_STATE          4
                     46: #define KW_TYPE_REVISION       5
                     47:
                     48: #define KW_NUMTOKS_ID          10
                     49: #define KW_NUMTOKS_AUTHOR      3
                     50: #define KW_NUMTOKS_DATE                4
                     51: #define KW_NUMTOKS_STATE       3
                     52: #define KW_NUMTOKS_REVISION    3
1.58      niallo     53:
1.115     niallo     54: #define RCSNUM_ZERO_ENDING(x) (x->rn_id[x->rn_len - 1] == 0)
                     55:
1.98      niallo     56: extern struct rcs_kw rcs_expkw[];
                     57:
1.158     joris      58: static int workfile_fd;
                     59:
1.58      niallo     60: struct checkin_params {
                     61:        int flags, openflags;
                     62:        mode_t fmode;
                     63:        time_t date;
                     64:        RCSFILE *file;
                     65:        RCSNUM *frev, *newrev;
1.177     ray        66:        const char *description, *symbol;
1.180   ! niallo     67:        char fpath[MAXPATHLEN], *rcs_msg, *username, *filename;
1.177     ray        68:        char *author, *state;
1.180   ! niallo     69:        BUF *deltatext;
1.58      niallo     70: };
                     71:
1.94      niallo     72: static int      checkin_attach_symbol(struct checkin_params *);
                     73: static int      checkin_checklock(struct checkin_params *);
1.180   ! niallo     74: static BUF     *checkin_diff_file(struct checkin_params *);
1.154     xsa        75: static char    *checkin_getlogmsg(RCSNUM *, RCSNUM *, int);
1.68      xsa        76: static int      checkin_init(struct checkin_params *);
1.107     deraadt    77: static int      checkin_keywordscan(char *, RCSNUM **, time_t *, char **,
1.98      niallo     78:     char **);
1.107     deraadt    79: static int      checkin_keywordtype(char *);
1.158     joris      80: static void     checkin_mtimedate(struct checkin_params *);
1.107     deraadt    81: static void     checkin_parsekeyword(char *, RCSNUM **, time_t *, char **,
1.98      niallo     82:     char **);
1.94      niallo     83: static int      checkin_update(struct checkin_params *);
                     84: static void     checkin_revert(struct checkin_params *);
1.4       niallo     85:
1.1       niallo     86: void
                     87: checkin_usage(void)
                     88: {
                     89:        fprintf(stderr,
1.119     xsa        90:            "usage: ci [-jMNqV] [-d[date]] [-f[rev]] [-I[rev]] [-i[rev]]\n"
                     91:            "     [-j[rev]] [-k[rev]] [-l[rev]] [-M[rev]] [-mmsg]\n"
1.165     ray        92:            "     [-Nsymbol] [-nsymbol] [-r[rev]] [-sstate] [-tstr]\n"
1.119     xsa        93:            "     [-u[rev]] [-wusername] [-xsuffixes] [-ztz] file ...\n");
1.58      niallo     94: }
                     95:
1.1       niallo     96: /*
                     97:  * checkin_main()
                     98:  *
                     99:  * Handler for the `ci' program.
                    100:  * Returns 0 on success, or >0 on error.
                    101:  */
                    102: int
                    103: checkin_main(int argc, char **argv)
                    104: {
1.163     joris     105:        int fd;
1.58      niallo    106:        int i, ch, status;
1.139     ray       107:        char *rev_str;
1.58      niallo    108:        struct checkin_params pb;
1.1       niallo    109:
1.58      niallo    110:        pb.date = DATE_NOW;
                    111:        pb.file = NULL;
1.98      niallo    112:        pb.rcs_msg = pb.username = pb.author = pb.state = NULL;
1.177     ray       113:        pb.description = pb.symbol = NULL;
                    114:        pb.deltatext = NULL;
1.58      niallo    115:        pb.newrev =  NULL;
1.128     niallo    116:        pb.flags = status = 0;
                    117:        pb.fmode = S_IRUSR|S_IRGRP|S_IROTH;
1.120     joris     118:        pb.flags = INTERACTIVE;
1.90      niallo    119:        pb.openflags = RCS_RDWR|RCS_CREATE|RCS_PARSE_FULLY;
1.139     ray       120:        rev_str = NULL;
1.9       niallo    121:
1.58      niallo    122:        while ((ch = rcs_getopt(argc, argv, CI_OPTSTRING)) != -1) {
1.1       niallo    123:                switch (ch) {
1.20      niallo    124:                case 'd':
1.25      niallo    125:                        if (rcs_optarg == NULL)
1.58      niallo    126:                                pb.date = DATE_MTIME;
1.162     joris     127:                        else if ((pb.date = rcs_date_parse(rcs_optarg)) <= 0)
1.160     xsa       128:                                errx(1, "invalid date");
1.20      niallo    129:                        break;
1.29      niallo    130:                case 'f':
1.139     ray       131:                        rcs_setrevstr(&rev_str, rcs_optarg);
1.58      niallo    132:                        pb.flags |= FORCE;
1.29      niallo    133:                        break;
1.119     xsa       134:                case 'I':
1.139     ray       135:                        rcs_setrevstr(&rev_str, rcs_optarg);
1.119     xsa       136:                        pb.flags |= INTERACTIVE;
                    137:                        break;
1.58      niallo    138:                case 'i':
1.139     ray       139:                        rcs_setrevstr(&rev_str, rcs_optarg);
1.58      niallo    140:                        pb.openflags |= RCS_CREATE;
1.66      niallo    141:                        pb.flags |= CI_INIT;
1.58      niallo    142:                        break;
                    143:                case 'j':
1.139     ray       144:                        rcs_setrevstr(&rev_str, rcs_optarg);
1.58      niallo    145:                        pb.openflags &= ~RCS_CREATE;
1.66      niallo    146:                        pb.flags &= ~CI_INIT;
1.58      niallo    147:                        break;
1.98      niallo    148:                case 'k':
1.139     ray       149:                        rcs_setrevstr(&rev_str, rcs_optarg);
1.98      niallo    150:                        pb.flags |= CI_KEYWORDSCAN;
                    151:                        break;
1.30      niallo    152:                case 'l':
1.139     ray       153:                        rcs_setrevstr(&rev_str, rcs_optarg);
1.58      niallo    154:                        pb.flags |= CO_LOCK;
1.54      niallo    155:                        break;
                    156:                case 'M':
1.139     ray       157:                        rcs_setrevstr(&rev_str, rcs_optarg);
1.58      niallo    158:                        pb.flags |= CO_REVDATE;
1.30      niallo    159:                        break;
1.1       niallo    160:                case 'm':
1.58      niallo    161:                        pb.rcs_msg = rcs_optarg;
1.87      xsa       162:                        if (pb.rcs_msg == NULL)
1.160     xsa       163:                                errx(1, "missing message for -m option");
1.58      niallo    164:                        pb.flags &= ~INTERACTIVE;
1.3       joris     165:                        break;
1.42      niallo    166:                case 'N':
1.58      niallo    167:                        pb.flags |= CI_SYMFORCE;
1.152     ray       168:                        /* FALLTHROUGH */
1.38      niallo    169:                case 'n':
1.177     ray       170:                        pb.symbol = rcs_optarg;
1.87      xsa       171:                        if (rcs_sym_check(pb.symbol) != 1)
1.160     xsa       172:                                errx(1, "invalid symbol `%s'", pb.symbol);
1.38      niallo    173:                        break;
1.3       joris     174:                case 'q':
1.154     xsa       175:                        pb.flags |= QUIET;
1.1       niallo    176:                        break;
1.30      niallo    177:                case 'r':
1.139     ray       178:                        rcs_setrevstr(&rev_str, rcs_optarg);
1.58      niallo    179:                        pb.flags |= CI_DEFAULT;
1.9       niallo    180:                        break;
1.51      niallo    181:                case 's':
1.58      niallo    182:                        pb.state = rcs_optarg;
1.87      xsa       183:                        if (rcs_state_check(pb.state) < 0)
1.160     xsa       184:                                errx(1, "invalid state `%s'", pb.state);
1.67      xsa       185:                        break;
                    186:                case 'T':
                    187:                        pb.flags |= PRESERVETIME;
1.51      niallo    188:                        break;
1.80      niallo    189:                case 't':
1.157     ray       190:                        /* Ignore bare -t; kept for backwards compatibility. */
                    191:                        if (rcs_optarg == NULL)
                    192:                                break;
                    193:                        pb.description = rcs_optarg;
                    194:                        pb.flags |= DESCRIPTION;
1.80      niallo    195:                        break;
1.9       niallo    196:                case 'u':
1.139     ray       197:                        rcs_setrevstr(&rev_str, rcs_optarg);
1.58      niallo    198:                        pb.flags |= CO_UNLOCK;
1.9       niallo    199:                        break;
1.30      niallo    200:                case 'V':
                    201:                        printf("%s\n", rcs_version);
                    202:                        exit(0);
1.31      niallo    203:                case 'w':
1.151     ray       204:                        if (pb.author != NULL)
                    205:                                xfree(pb.author);
1.84      joris     206:                        pb.author = xstrdup(rcs_optarg);
1.64      xsa       207:                        break;
                    208:                case 'x':
1.125     ray       209:                        /* Use blank extension if none given. */
                    210:                        rcs_suffixes = rcs_optarg ? rcs_optarg : "";
1.110     joris     211:                        break;
                    212:                case 'z':
                    213:                        timezone_flag = rcs_optarg;
1.31      niallo    214:                        break;
1.1       niallo    215:                default:
                    216:                        (usage)();
                    217:                        exit(1);
                    218:                }
                    219:        }
                    220:
1.24      joris     221:        argc -= rcs_optind;
                    222:        argv += rcs_optind;
                    223:
1.1       niallo    224:        if (argc == 0) {
1.155     xsa       225:                warnx("no input file");
1.1       niallo    226:                (usage)();
                    227:                exit(1);
                    228:        }
                    229:
1.86      xsa       230:        if ((pb.username = getlogin()) == NULL)
1.160     xsa       231:                err(1, "getlogin");
1.31      niallo    232:
1.1       niallo    233:        for (i = 0; i < argc; i++) {
1.58      niallo    234:                pb.filename = argv[i];
1.1       niallo    235:
1.158     joris     236:                if ((workfile_fd = open(pb.filename, O_RDONLY)) == -1)
1.160     xsa       237:                        err(1, "%s", pb.filename);
1.158     joris     238:
1.175     ray       239:                /* Find RCS file path. */
                    240:                fd = rcs_choosefile(pb.filename, pb.fpath, sizeof(pb.fpath));
1.163     joris     241:
                    242:                if (fd < 0) {
1.71      niallo    243:                        if (pb.openflags & RCS_CREATE)
                    244:                                pb.flags |= NEWFILE;
                    245:                        else {
1.155     xsa       246:                                warnx("No existing RCS file");
1.71      niallo    247:                                status = 1;
1.158     joris     248:                                (void)close(workfile_fd);
1.71      niallo    249:                                continue;
                    250:                        }
1.66      niallo    251:                } else {
                    252:                        if (pb.flags & CI_INIT) {
1.155     xsa       253:                                warnx("%s already exists", pb.fpath);
1.66      niallo    254:                                status = 1;
1.163     joris     255:                                (void)close(fd);
1.158     joris     256:                                (void)close(workfile_fd);
1.66      niallo    257:                                continue;
                    258:                        }
1.58      niallo    259:                        pb.openflags &= ~RCS_CREATE;
1.66      niallo    260:                }
1.63      niallo    261:
1.163     joris     262:                pb.file = rcs_open(pb.fpath, fd, pb.openflags, pb.fmode);
1.87      xsa       263:                if (pb.file == NULL)
1.161     xsa       264:                        errx(1, "failed to open rcsfile `%s'", pb.fpath);
1.29      niallo    265:
1.157     ray       266:                if (pb.flags & DESCRIPTION)
                    267:                        rcs_set_description(pb.file, pb.description);
                    268:
1.154     xsa       269:                if (!(pb.flags & QUIET))
1.173     xsa       270:                        (void)fprintf(stderr,
                    271:                            "%s  <--  %s\n", pb.fpath, pb.filename);
1.139     ray       272:
                    273:                /* XXX - Should we rcsnum_free(pb.newrev)? */
                    274:                if (rev_str != NULL)
1.141     ray       275:                        if ((pb.newrev = rcs_getrevnum(rev_str, pb.file)) ==
                    276:                            NULL)
1.160     xsa       277:                                errx(1, "invalid revision: %s", rev_str);
1.107     deraadt   278:
1.148     niallo    279:                if (!(pb.flags & NEWFILE))
                    280:                        pb.flags |= CI_SKIPDESC;
1.158     joris     281:
1.179     david     282:                /* XXX - support for committing to a file without revisions */
1.142     joris     283:                if (pb.file->rf_ndelta == 0) {
                    284:                        pb.flags |= NEWFILE;
                    285:                        pb.file->rf_flags |= RCS_CREATE;
                    286:                }
                    287:
1.158     joris     288:                /*
                    289:                 * workfile_fd will be closed in checkin_init or
                    290:                 * checkin_update
                    291:                 */
1.149     ray       292:                if (pb.flags & NEWFILE) {
                    293:                        if (checkin_init(&pb) == -1)
                    294:                                status = 1;
                    295:                } else {
                    296:                        if (checkin_update(&pb) == -1)
                    297:                                status = 1;
                    298:                }
1.114     niallo    299:
                    300:                /* reset NEWFILE flag */
                    301:                pb.flags &= ~NEWFILE;
1.129     niallo    302:
                    303:                rcs_close(pb.file);
1.178     niallo    304:                pb.newrev = NULL;
1.4       niallo    305:        }
                    306:
1.154     xsa       307:        if (!(pb.flags & QUIET) && status == 0)
1.173     xsa       308:                (void)fprintf(stderr, "done\n");
1.93      xsa       309:
1.16      niallo    310:        return (status);
1.4       niallo    311: }
                    312:
1.59      niallo    313: /*
                    314:  * checkin_diff_file()
                    315:  *
1.65      xsa       316:  * Generate the diff between the working file and a revision.
1.59      niallo    317:  * Returns pointer to a char array on success, NULL on failure.
                    318:  */
1.180   ! niallo    319: static BUF *
1.58      niallo    320: checkin_diff_file(struct checkin_params *pb)
1.4       niallo    321: {
1.168     xsa       322:        char *path1, *path2;
1.4       niallo    323:        BUF *b1, *b2, *b3;
1.180   ! niallo    324:        char rbuf[64];
1.4       niallo    325:
1.112     joris     326:        b1 = b2 = b3 = NULL;
1.58      niallo    327:        rcsnum_tostr(pb->frev, rbuf, sizeof(rbuf));
1.4       niallo    328:
1.162     joris     329:        if ((b1 = rcs_buf_load(pb->filename, BUF_AUTOEXT)) == NULL) {
1.155     xsa       330:                warnx("failed to load file: `%s'", pb->filename);
1.112     joris     331:                goto out;
1.1       niallo    332:        }
                    333:
1.58      niallo    334:        if ((b2 = rcs_getrev(pb->file, pb->frev)) == NULL) {
1.155     xsa       335:                warnx("failed to load revision");
1.112     joris     336:                goto out;
1.4       niallo    337:        }
                    338:
1.172     ray       339:        if ((b3 = rcs_buf_alloc(128, BUF_AUTOEXT)) == NULL) {
1.155     xsa       340:                warnx("failed to allocated buffer for diff");
1.112     joris     341:                goto out;
1.4       niallo    342:        }
                    343:
1.168     xsa       344:        (void)xasprintf(&path1, "%s/diff1.XXXXXXXXXX", rcs_tmpdir);
1.162     joris     345:        rcs_buf_write_stmp(b1, path1, 0600);
1.112     joris     346:
1.162     joris     347:        rcs_buf_free(b1);
1.112     joris     348:        b1 = NULL;
1.4       niallo    349:
1.168     xsa       350:        (void)xasprintf(&path2, "%s/diff2.XXXXXXXXXX", rcs_tmpdir);
1.162     joris     351:        rcs_buf_write_stmp(b2, path2, 0600);
1.112     joris     352:
1.162     joris     353:        rcs_buf_free(b2);
1.112     joris     354:        b2 = NULL;
1.4       niallo    355:
1.5       niallo    356:        diff_format = D_RCSDIFF;
1.170     xsa       357:        if (rcs_diffreg(path1, path2, b3) == D_ERROR)
                    358:                goto out;
1.4       niallo    359:
1.180   ! niallo    360:        return (b3);
1.112     joris     361: out:
                    362:        if (b1 != NULL)
1.162     joris     363:                rcs_buf_free(b1);
1.112     joris     364:        if (b2 != NULL)
1.162     joris     365:                rcs_buf_free(b2);
1.112     joris     366:        if (b3 != NULL)
1.162     joris     367:                rcs_buf_free(b3);
1.168     xsa       368:        if (path1 != NULL)
                    369:                xfree(path1);
                    370:        if (path2 != NULL)
                    371:                xfree(path2);
1.4       niallo    372:
1.180   ! niallo    373:        return (NULL);
1.6       niallo    374: }
                    375:
                    376: /*
1.65      xsa       377:  * checkin_getlogmsg()
1.59      niallo    378:  *
1.6       niallo    379:  * Get log message from user interactively.
1.59      niallo    380:  * Returns pointer to a char array on success, NULL on failure.
1.6       niallo    381:  */
                    382: static char *
1.154     xsa       383: checkin_getlogmsg(RCSNUM *rev, RCSNUM *rev2, int flags)
1.6       niallo    384: {
1.58      niallo    385:        char   *rcs_msg, nrev[16], prev[16];
1.153     ray       386:        const char *prompt =
                    387:            "enter log message, terminated with a single '.' or end of file:\n";
1.6       niallo    388:        RCSNUM *tmprev;
                    389:
1.7       niallo    390:        rcs_msg = NULL;
1.6       niallo    391:        tmprev = rcsnum_alloc();
                    392:        rcsnum_cpy(rev, tmprev, 16);
1.9       niallo    393:        rcsnum_tostr(tmprev, prev, sizeof(prev));
1.12      niallo    394:        if (rev2 == NULL)
                    395:                rcsnum_tostr(rcsnum_inc(tmprev), nrev, sizeof(nrev));
                    396:        else
                    397:                rcsnum_tostr(rev2, nrev, sizeof(nrev));
1.6       niallo    398:        rcsnum_free(tmprev);
                    399:
1.154     xsa       400:        if (!(flags & QUIET))
1.174     xsa       401:                (void)fprintf(stderr, "new revision: %s; "
                    402:                    "previous revision: %s\n", nrev, prev);
1.32      joris     403:
1.153     ray       404:        rcs_msg = rcs_prompt(prompt);
                    405:
1.58      niallo    406:        return (rcs_msg);
                    407: }
                    408:
                    409: /*
1.63      niallo    410:  * checkin_update()
                    411:  *
                    412:  * Do a checkin to an existing RCS file.
                    413:  *
                    414:  * On success, return 0. On error return -1.
                    415:  */
                    416: static int
                    417: checkin_update(struct checkin_params *pb)
                    418: {
1.149     ray       419:        char *filec, numb1[64], numb2[64];
1.128     niallo    420:        struct stat st;
1.63      niallo    421:        BUF *bp;
                    422:
1.149     ray       423:        filec = NULL;
                    424:
1.82      joris     425:        /*
                    426:         * XXX this is wrong, we need to get the revision the user
1.85      xsa       427:         * has the lock for. So we can decide if we want to create a
1.82      joris     428:         * branch or not. (if it's not current HEAD we need to branch).
                    429:         */
1.63      niallo    430:        pb->frev = pb->file->rf_head;
                    431:
1.126     niallo    432:        /* Load file contents */
1.162     joris     433:        if ((bp = rcs_buf_load(pb->filename, BUF_AUTOEXT)) == NULL)
1.149     ray       434:                goto fail;
1.126     niallo    435:
1.115     niallo    436:        /* If this is a zero-ending RCSNUM eg 4.0, increment it (eg to 4.1) */
1.147     deraadt   437:        if (pb->newrev != NULL && RCSNUM_ZERO_ENDING(pb->newrev))
1.115     niallo    438:                pb->newrev = rcsnum_inc(pb->newrev);
                    439:
1.82      joris     440:        if (checkin_checklock(pb) < 0)
1.126     niallo    441:                goto fail;
1.82      joris     442:
                    443:        /* If revision passed on command line is less than HEAD, bail.
                    444:         * XXX only applies to ci -r1.2 foo for example if HEAD is > 1.2 and
                    445:         * there is no lock set for the user.
                    446:         */
1.147     deraadt   447:        if (pb->newrev != NULL &&
                    448:            rcsnum_cmp(pb->newrev, pb->frev, 0) > 0) {
1.155     xsa       449:                warnx("%s: revision %s too low; must be higher than %s",
1.77      xsa       450:                    pb->file->rf_path,
                    451:                    rcsnum_tostr(pb->newrev, numb1, sizeof(numb1)),
                    452:                    rcsnum_tostr(pb->frev, numb2, sizeof(numb2)));
1.126     niallo    453:                goto fail;
1.63      niallo    454:        }
                    455:
1.104     niallo    456:        /*
                    457:         * Set the date of the revision to be the last modification
                    458:         * time of the working file if -d has no argument.
                    459:         */
1.158     joris     460:        if (pb->date == DATE_MTIME)
                    461:                checkin_mtimedate(pb);
1.104     niallo    462:
                    463:        /* Date from argv/mtime must be more recent than HEAD */
                    464:        if (pb->date != DATE_NOW) {
                    465:                time_t head_date = rcs_rev_getdate(pb->file, pb->frev);
                    466:                if (pb->date <= head_date) {
1.113     xsa       467:                        char dbuf1[256], dbuf2[256], *fmt;
                    468:                        struct tm *t, *t_head;
                    469:
                    470:                        fmt = "%Y/%m/%d %H:%M:%S";
                    471:
1.164     ray       472:                        t = gmtime(&pb->date);
1.113     xsa       473:                        strftime(dbuf1, sizeof(dbuf1), fmt, t);
1.164     ray       474:                        t_head = gmtime(&head_date);
1.113     xsa       475:                        strftime(dbuf2, sizeof(dbuf2), fmt, t_head);
                    476:
1.160     xsa       477:                        errx(1, "%s: Date %s preceeds %s in revision %s.",
1.113     xsa       478:                            pb->file->rf_path, dbuf1, dbuf2,
1.104     niallo    479:                            rcsnum_tostr(pb->frev, numb2, sizeof(numb2)));
                    480:                }
                    481:        }
                    482:
1.73      xsa       483:        /* Get RCS patch */
1.63      niallo    484:        if ((pb->deltatext = checkin_diff_file(pb)) == NULL) {
1.155     xsa       485:                warnx("failed to get diff");
1.126     niallo    486:                goto fail;
1.63      niallo    487:        }
                    488:
                    489:        /*
                    490:         * If -f is not specified and there are no differences, tell
                    491:         * the user and revert to latest version.
                    492:         */
1.180   ! niallo    493:        if (!(pb->flags & FORCE) && (rcs_buf_len(pb->deltatext) < 1)) {
1.63      niallo    494:                checkin_revert(pb);
1.169     ray       495:                goto out;
1.63      niallo    496:        }
                    497:
1.73      xsa       498:        /* If no log message specified, get it interactively. */
1.63      niallo    499:        if (pb->flags & INTERACTIVE)
1.154     xsa       500:                pb->rcs_msg = checkin_getlogmsg(pb->frev, pb->newrev,
                    501:                    pb->flags);
1.63      niallo    502:
1.82      joris     503:        if (rcs_lock_remove(pb->file, pb->username, pb->frev) < 0) {
1.63      niallo    504:                if (rcs_errno != RCS_ERR_NOENT)
1.155     xsa       505:                        warnx("failed to remove lock");
1.82      joris     506:                else if (!(pb->flags & CO_LOCK))
1.155     xsa       507:                        warnx("previous revision was not locked; "
1.82      joris     508:                            "ignoring -l option");
1.63      niallo    509:        }
                    510:
1.73      xsa       511:        /* Current head revision gets the RCS patch as rd_text */
1.87      xsa       512:        if (rcs_deltatext_set(pb->file, pb->frev, pb->deltatext) == -1)
1.160     xsa       513:                errx(1, "failed to set new rd_text for head rev");
1.63      niallo    514:
1.73      xsa       515:        /* Now add our new revision */
1.63      niallo    516:        if (rcs_rev_add(pb->file,
                    517:            (pb->newrev == NULL ? RCS_HEAD_REV : pb->newrev),
1.82      joris     518:            pb->rcs_msg, pb->date, pb->author) != 0) {
1.155     xsa       519:                warnx("failed to add new revision");
1.126     niallo    520:                goto fail;
1.63      niallo    521:        }
                    522:
                    523:        /*
                    524:         * If we are checking in to a non-default (ie user-specified)
                    525:         * revision, set head to this revision.
                    526:         */
1.131     xsa       527:        if (pb->newrev != NULL) {
                    528:                if (rcs_head_set(pb->file, pb->newrev) < 0)
1.160     xsa       529:                        errx(1, "rcs_head_set failed");
1.131     xsa       530:        } else
1.63      niallo    531:                pb->newrev = pb->file->rf_head;
                    532:
1.73      xsa       533:        /* New head revision has to contain entire file; */
1.180   ! niallo    534:        if (rcs_deltatext_set(pb->file, pb->frev, bp) == -1)
1.160     xsa       535:                errx(1, "failed to set new head revision");
1.63      niallo    536:
1.73      xsa       537:        /* Attach a symbolic name to this revision if specified. */
1.147     deraadt   538:        if (pb->symbol != NULL &&
                    539:            (checkin_attach_symbol(pb) < 0))
1.126     niallo    540:                goto fail;
1.63      niallo    541:
1.73      xsa       542:        /* Set the state of this revision if specified. */
1.63      niallo    543:        if (pb->state != NULL)
                    544:                (void)rcs_state_set(pb->file, pb->newrev, pb->state);
                    545:
1.128     niallo    546:        /* Maintain RCSFILE permissions */
1.159     xsa       547:        if (fstat(workfile_fd, &st) == -1)
1.160     xsa       548:                err(1, "%s", pb->filename);
1.128     niallo    549:
                    550:        /* Strip all the write bits */
                    551:        pb->file->rf_mode = st.st_mode &
                    552:            (S_IXUSR|S_IXGRP|S_IXOTH|S_IRUSR|S_IRGRP|S_IROTH);
                    553:
1.158     joris     554:        (void)close(workfile_fd);
1.63      niallo    555:        (void)unlink(pb->filename);
1.140     deraadt   556:
1.128     niallo    557:        /* Write out RCSFILE before calling checkout_rev() */
                    558:        rcs_write(pb->file);
1.63      niallo    559:
1.73      xsa       560:        /* Do checkout if -u or -l are specified. */
1.147     deraadt   561:        if (((pb->flags & CO_LOCK) || (pb->flags & CO_UNLOCK)) &&
                    562:            !(pb->flags & CI_DEFAULT))
1.63      niallo    563:                checkout_rev(pb->file, pb->newrev, pb->filename, pb->flags,
1.89      joris     564:                    pb->username, pb->author, NULL, NULL);
1.63      niallo    565:
                    566:        if (pb->flags & INTERACTIVE) {
1.84      joris     567:                xfree(pb->rcs_msg);
1.63      niallo    568:                pb->rcs_msg = NULL;
                    569:        }
1.169     ray       570:
                    571: out:
1.63      niallo    572:        return (0);
1.126     niallo    573:
                    574: fail:
                    575:        return (-1);
1.63      niallo    576: }
                    577:
                    578: /*
1.58      niallo    579:  * checkin_init()
1.65      xsa       580:  *
1.58      niallo    581:  * Does an initial check in, just enough to create the new ,v file
1.63      niallo    582:  * On success, return 0. On error return -1.
1.58      niallo    583:  */
1.63      niallo    584: static int
1.58      niallo    585: checkin_init(struct checkin_params *pb)
                    586: {
1.157     ray       587:        BUF *bp;
1.180   ! niallo    588:        char numb[64];
1.115     niallo    589:        int fetchlog = 0;
1.128     niallo    590:        struct stat st;
1.58      niallo    591:
1.115     niallo    592:        /* If this is a zero-ending RCSNUM eg 4.0, increment it (eg to 4.1) */
1.147     deraadt   593:        if (pb->newrev != NULL && RCSNUM_ZERO_ENDING(pb->newrev)) {
1.115     niallo    594:                pb->frev = rcsnum_alloc();
                    595:                rcsnum_cpy(pb->newrev, pb->frev, 0);
                    596:                pb->newrev = rcsnum_inc(pb->newrev);
                    597:                fetchlog = 1;
                    598:        }
                    599:
1.73      xsa       600:        /* Load file contents */
1.162     joris     601:        if ((bp = rcs_buf_load(pb->filename, BUF_AUTOEXT)) == NULL)
1.149     ray       602:                goto fail;
1.58      niallo    603:
1.98      niallo    604:        /* Get default values from working copy if -k specified */
                    605:        if (pb->flags & CI_KEYWORDSCAN)
1.180   ! niallo    606:                checkin_keywordscan((char *)rcs_buf_get(bp), &pb->newrev,
        !           607:                    &pb->date, &pb->state, &pb->author);
1.98      niallo    608:
1.148     niallo    609:        if (pb->flags & CI_SKIPDESC)
1.142     joris     610:                goto skipdesc;
                    611:
1.73      xsa       612:        /* Get description from user */
1.80      niallo    613:        if (pb->description == NULL)
1.157     ray       614:                rcs_set_description(pb->file, NULL);
1.142     joris     615:
                    616: skipdesc:
1.58      niallo    617:
1.115     niallo    618:        /*
                    619:         * If the user had specified a zero-ending revision number e.g. 4
                    620:         * emulate odd GNU behaviour and fetch log message.
                    621:         */
                    622:        if (fetchlog == 1) {
1.154     xsa       623:                pb->rcs_msg = checkin_getlogmsg(pb->frev, pb->newrev,
                    624:                    pb->flags);
1.115     niallo    625:                rcsnum_free(pb->frev);
                    626:        }
1.133     joris     627:
1.97      niallo    628:        /*
                    629:         * Set the date of the revision to be the last modification
                    630:         * time of the working file if -d has no argument.
                    631:         */
1.158     joris     632:        if (pb->date == DATE_MTIME)
                    633:                checkin_mtimedate(pb);
1.97      niallo    634:
1.73      xsa       635:        /* Now add our new revision */
1.96      niallo    636:        if (rcs_rev_add(pb->file,
                    637:            (pb->newrev == NULL ? RCS_HEAD_REV : pb->newrev),
1.107     deraadt   638:            (pb->rcs_msg == NULL ? "Initial revision" : pb->rcs_msg),
1.103     niallo    639:            pb->date, pb->author) != 0) {
1.155     xsa       640:                warnx("failed to add new revision");
1.126     niallo    641:                goto fail;
1.63      niallo    642:        }
1.133     joris     643:
1.63      niallo    644:        /*
                    645:         * If we are checking in to a non-default (ie user-specified)
                    646:         * revision, set head to this revision.
                    647:         */
1.131     xsa       648:        if (pb->newrev != NULL) {
                    649:                if (rcs_head_set(pb->file, pb->newrev) < 0)
1.160     xsa       650:                        errx(1, "rcs_head_set failed");
1.131     xsa       651:        } else
1.63      niallo    652:                pb->newrev = pb->file->rf_head;
                    653:
1.73      xsa       654:        /* New head revision has to contain entire file; */
1.180   ! niallo    655:        if (rcs_deltatext_set(pb->file, pb->file->rf_head, bp) == -1) {
1.155     xsa       656:                warnx("failed to set new head revision");
1.126     niallo    657:                goto fail;
1.58      niallo    658:        }
1.133     joris     659:
1.73      xsa       660:        /* Attach a symbolic name to this revision if specified. */
1.147     deraadt   661:        if (pb->symbol != NULL &&
                    662:            (checkin_attach_symbol(pb) < 0))
1.126     niallo    663:                goto fail;
1.66      niallo    664:
1.73      xsa       665:        /* Set the state of this revision if specified. */
1.66      niallo    666:        if (pb->state != NULL)
                    667:                (void)rcs_state_set(pb->file, pb->newrev, pb->state);
                    668:
1.128     niallo    669:        /* Inherit RCSFILE permissions from file being checked in */
1.159     xsa       670:        if (fstat(workfile_fd, &st) == -1)
1.160     xsa       671:                err(1, "%s", pb->filename);
1.158     joris     672:
1.128     niallo    673:        /* Strip all the write bits */
                    674:        pb->file->rf_mode = st.st_mode &
                    675:            (S_IXUSR|S_IXGRP|S_IXOTH|S_IRUSR|S_IRGRP|S_IROTH);
                    676:
1.158     joris     677:        (void)close(workfile_fd);
1.66      niallo    678:        (void)unlink(pb->filename);
                    679:
1.128     niallo    680:        /* Write out RCSFILE before calling checkout_rev() */
                    681:        rcs_write(pb->file);
                    682:
1.73      xsa       683:        /* Do checkout if -u or -l are specified. */
1.147     deraadt   684:        if (((pb->flags & CO_LOCK) || (pb->flags & CO_UNLOCK)) &&
                    685:            !(pb->flags & CI_DEFAULT)) {
1.66      niallo    686:                checkout_rev(pb->file, pb->newrev, pb->filename, pb->flags,
1.89      joris     687:                    pb->username, pb->author, NULL, NULL);
1.128     niallo    688:        }
                    689:
1.154     xsa       690:        if (!(pb->flags & QUIET)) {
1.119     xsa       691:                fprintf(stderr, "initial revision: %s\n",
                    692:                    rcsnum_tostr(pb->newrev, numb, sizeof(numb)));
                    693:        }
1.93      xsa       694:
1.63      niallo    695:        return (0);
1.126     niallo    696: fail:
                    697:        return (-1);
1.58      niallo    698: }
                    699:
1.59      niallo    700: /*
                    701:  * checkin_attach_symbol()
                    702:  *
                    703:  * Attempt to attach the specified symbol to the revision.
                    704:  * On success, return 0. On error return -1.
                    705:  */
1.58      niallo    706: static int
                    707: checkin_attach_symbol(struct checkin_params *pb)
                    708: {
                    709:        char rbuf[16];
                    710:        int ret;
1.154     xsa       711:        if (!(pb->flags & QUIET))
1.58      niallo    712:                printf("symbol: %s\n", pb->symbol);
1.130     xsa       713:        if (pb->flags & CI_SYMFORCE) {
                    714:                if (rcs_sym_remove(pb->file, pb->symbol) < 0) {
                    715:                        if (rcs_errno != RCS_ERR_NOENT) {
1.155     xsa       716:                                warnx("problem removing symbol: %s",
                    717:                                    pb->symbol);
1.130     xsa       718:                                return (-1);
                    719:                        }
                    720:                }
                    721:        }
1.147     deraadt   722:        if ((ret = rcs_sym_add(pb->file, pb->symbol, pb->newrev) == -1) &&
                    723:            (rcs_errno == RCS_ERR_DUPENT)) {
1.58      niallo    724:                rcsnum_tostr(rcs_sym_getrev(pb->file, pb->symbol),
                    725:                    rbuf, sizeof(rbuf));
1.155     xsa       726:                warnx("symbolic name %s already bound to %s", pb->symbol, rbuf);
1.58      niallo    727:                return (-1);
                    728:        } else if (ret == -1) {
1.155     xsa       729:                warnx("problem adding symbol: %s", pb->symbol);
1.58      niallo    730:                return (-1);
                    731:        }
                    732:        return (0);
                    733: }
                    734:
1.59      niallo    735: /*
                    736:  * checkin_revert()
                    737:  *
                    738:  * If there are no differences between the working file and the latest revision
                    739:  * and the -f flag is not specified, simply revert to the latest version and
                    740:  * warn the user.
                    741:  *
                    742:  */
1.58      niallo    743: static void
                    744: checkin_revert(struct checkin_params *pb)
                    745: {
                    746:        char rbuf[16];
                    747:
                    748:        rcsnum_tostr(pb->frev, rbuf, sizeof(rbuf));
1.173     xsa       749:
                    750:        if (!(pb->flags & QUIET))
                    751:                (void)fprintf(stderr, "file is unchanged; reverting "
                    752:                    "to previous revision %s\n", rbuf);
                    753:
1.137     niallo    754:        pb->flags |= CO_REVERT;
1.158     joris     755:        (void)close(workfile_fd);
1.58      niallo    756:        (void)unlink(pb->filename);
                    757:        if ((pb->flags & CO_LOCK) || (pb->flags & CO_UNLOCK))
                    758:                checkout_rev(pb->file, pb->frev, pb->filename,
1.89      joris     759:                    pb->flags, pb->username, pb->author, NULL, NULL);
1.58      niallo    760: }
                    761:
1.59      niallo    762: /*
                    763:  * checkin_checklock()
                    764:  *
                    765:  * Check for the existence of a lock on the file.  If there are no locks, or it
                    766:  * is not locked by the correct user, return -1.  Otherwise, return 0.
                    767:  */
1.58      niallo    768: static int
                    769: checkin_checklock(struct checkin_params *pb)
                    770: {
                    771:        struct rcs_lock *lkp;
                    772:
1.82      joris     773:        TAILQ_FOREACH(lkp, &(pb->file->rf_locks), rl_list) {
1.147     deraadt   774:                if (!strcmp(lkp->rl_name, pb->username) &&
                    775:                    !rcsnum_cmp(lkp->rl_num, pb->frev, 0))
1.82      joris     776:                        return (0);
1.58      niallo    777:        }
1.32      joris     778:
1.155     xsa       779:        warnx("%s: no lock set by %s", pb->file->rf_path, pb->username);
1.82      joris     780:        return (-1);
1.61      niallo    781: }
                    782:
                    783: /*
1.62      niallo    784:  * checkin_mtimedate()
1.61      niallo    785:  *
                    786:  * Set the date of the revision to be the last modification
1.62      niallo    787:  * time of the working file.
1.61      niallo    788:  */
1.158     joris     789: static void
1.62      niallo    790: checkin_mtimedate(struct checkin_params *pb)
1.61      niallo    791: {
                    792:        struct stat sb;
1.158     joris     793:
1.159     xsa       794:        if (fstat(workfile_fd, &sb) == -1)
1.160     xsa       795:                err(1, "%s", pb->filename);
1.158     joris     796:
1.61      niallo    797:        pb->date = (time_t)sb.st_mtimespec.tv_sec;
1.98      niallo    798: }
                    799:
                    800: /*
                    801:  * checkin_keywordscan()
                    802:  *
                    803:  * Searches working file for keyword values to determine its revision
                    804:  * number, creation date and author, and uses these values instead of
                    805:  * calculating them locally.
                    806:  *
                    807:  * Params: The data buffer to scan and pointers to pointers of variables in
                    808:  * which to store the outputs.
                    809:  *
                    810:  * On success, return 0. On error return -1.
                    811:  */
                    812: static int
                    813: checkin_keywordscan(char *data, RCSNUM **rev, time_t *date, char **author,
                    814:     char **state)
                    815: {
1.122     ray       816:        size_t end;
1.167     ray       817:        u_int j;
1.98      niallo    818:        char *c, *kwstr, *start, buf[128];
                    819:
1.167     ray       820:        kwstr = NULL;
1.98      niallo    821:
1.167     ray       822:        for (c = data; (c = strchr(c, '$')) != NULL;) {
                    823:                size_t len;
1.98      niallo    824:
1.167     ray       825:                start = c;
                    826:                c++;
                    827:                if (!isalpha(*c))
                    828:                        continue;
                    829:
                    830:                /* look for any matching keywords */
                    831:                for (j = 0; j < 10; j++) {
                    832:                        len = strlen(rcs_expkw[j].kw_str);
                    833:                        if (strncmp(c, rcs_expkw[j].kw_str, len) != 0) {
                    834:                                kwstr = rcs_expkw[j].kw_str;
                    835:                                break;
1.98      niallo    836:                        }
1.167     ray       837:                }
1.98      niallo    838:
1.167     ray       839:                /* unknown keyword, continue looking */
                    840:                if (kwstr == NULL)
                    841:                        continue;
                    842:
                    843:                c += len;
                    844:                if (*c != ':')
                    845:                        continue;
                    846:
                    847:                /* Find end of line or end of keyword. */
                    848:                c += strcspn(c, "$\n");
                    849:                if (*c != '$')
                    850:                        continue;
                    851:
                    852:                end = c - start + 2;
                    853:                if (strlcpy(buf, start, end) >= end)
                    854:                        errx(1, "keyword buffer too small!");
                    855:                checkin_parsekeyword(buf, rev, date, author, state);
1.98      niallo    856:        }
1.167     ray       857:        if (kwstr == NULL)
1.98      niallo    858:                return (-1);
                    859:        else
                    860:                return (0);
                    861: }
                    862:
                    863: /*
                    864:  * checkin_keywordtype()
                    865:  *
                    866:  * Given an RCS keyword string, determine what type of string it is.
                    867:  * This enables us to know what data should be in it.
                    868:  *
                    869:  * Returns type on success, or -1 on failure.
1.107     deraadt   870:  */
1.98      niallo    871: static int
                    872: checkin_keywordtype(char *keystring)
                    873: {
                    874:        char *p;
1.107     deraadt   875:
1.98      niallo    876:        p = keystring;
1.118     deraadt   877:        p++;
1.98      niallo    878:        if (strncmp(p, KW_ID, strlen(KW_ID)) == 0)
                    879:                return (KW_TYPE_ID);
                    880:        else if (strncmp(p, KW_AUTHOR, strlen(KW_AUTHOR)) == 0)
                    881:                return (KW_TYPE_AUTHOR);
                    882:        else if (strncmp(p, KW_DATE, strlen(KW_DATE)) == 0)
                    883:                return (KW_TYPE_DATE);
                    884:        else if (strncmp(p, KW_STATE, strlen(KW_STATE)) == 0)
                    885:                return (KW_TYPE_STATE);
                    886:        else if (strncmp(p, KW_REVISION, strlen(KW_REVISION)) == 0)
                    887:                return (KW_TYPE_REVISION);
                    888:        else
                    889:                return (-1);
                    890: }
                    891:
                    892: /*
                    893:  * checkin_parsekeyword()
                    894:  *
                    895:  * Do the actual parsing of an RCS keyword string, setting the values passed
                    896:  * to the function to whatever is found.
                    897:  *
                    898:  */
                    899: static void
                    900: checkin_parsekeyword(char *keystring,  RCSNUM **rev, time_t *date,
                    901:     char **author, char **state)
                    902: {
                    903:        char *tokens[10], *p, *datestring;
                    904:        size_t len = 0;
1.99      niallo    905:        int i = 0;
1.107     deraadt   906:
                    907:        /* Parse data out of the expanded keyword */
1.98      niallo    908:        switch (checkin_keywordtype(keystring)) {
                    909:        case KW_TYPE_ID:
1.101     niallo    910:                for ((p = strtok(keystring, " ")); p;
1.107     deraadt   911:                    (p = strtok(NULL, " "))) {
1.99      niallo    912:                        if (i < KW_NUMTOKS_ID - 1)
                    913:                                tokens[i++] = p;
1.107     deraadt   914:                }
1.99      niallo    915:                tokens[i] = NULL;
1.98      niallo    916:                if (*author != NULL)
                    917:                        xfree(*author);
                    918:                if (*state != NULL)
                    919:                        xfree(*state);
                    920:                /* only parse revision if one is not already set */
                    921:                if (*rev == NULL) {
                    922:                        if ((*rev = rcsnum_parse(tokens[2])) == NULL)
1.160     xsa       923:                                errx(1, "could not parse rcsnum");
1.98      niallo    924:                }
1.135     ray       925:                *author = xstrdup(tokens[5]);
1.146     pat       926:                *state = xstrdup(tokens[6]);
1.98      niallo    927:                len = strlen(tokens[3]) + strlen(tokens[4]) + 2;
                    928:                datestring = xmalloc(len);
1.166     ray       929:                if (strlcpy(datestring, tokens[3], len) >= len ||
                    930:                    strlcat(datestring, " ", len) >= len ||
                    931:                    strlcat(datestring, tokens[4], len) >= len)
                    932:                        errx(1, "date too long");
1.162     joris     933:                if ((*date = rcs_date_parse(datestring)) <= 0)
1.166     ray       934:                        errx(1, "could not parse date");
1.98      niallo    935:                xfree(datestring);
                    936:                break;
                    937:        case KW_TYPE_AUTHOR:
1.101     niallo    938:                for ((p = strtok(keystring, " ")); p;
1.107     deraadt   939:                    (p = strtok(NULL, " "))) {
1.99      niallo    940:                        if (i < KW_NUMTOKS_AUTHOR - 1)
                    941:                                tokens[i++] = p;
1.107     deraadt   942:                }
1.98      niallo    943:                if (*author != NULL)
                    944:                        xfree(*author);
1.135     ray       945:                *author = xstrdup(tokens[1]);
1.98      niallo    946:                break;
                    947:        case KW_TYPE_DATE:
1.101     niallo    948:                for ((p = strtok(keystring, " ")); p;
1.107     deraadt   949:                    (p = strtok(NULL, " "))) {
1.99      niallo    950:                        if (i < KW_NUMTOKS_DATE - 1)
                    951:                                tokens[i++] = p;
1.98      niallo    952:                }
                    953:                len = strlen(tokens[1]) + strlen(tokens[2]) + 2;
                    954:                datestring = xmalloc(len);
1.166     ray       955:                if (strlcpy(datestring, tokens[1], len) >= len ||
                    956:                    strlcat(datestring, " ", len) >= len ||
                    957:                    strlcat(datestring, tokens[2], len) >= len)
                    958:                        errx(1, "date too long");
1.162     joris     959:                if ((*date = rcs_date_parse(datestring)) <= 0)
1.166     ray       960:                        errx(1, "could not parse date");
1.98      niallo    961:                xfree(datestring);
                    962:                break;
                    963:        case KW_TYPE_STATE:
1.101     niallo    964:                for ((p = strtok(keystring, " ")); p;
1.107     deraadt   965:                    (p = strtok(NULL, " "))) {
1.99      niallo    966:                        if (i < KW_NUMTOKS_STATE - 1)
                    967:                                tokens[i++] = p;
1.107     deraadt   968:                }
1.98      niallo    969:                if (*state != NULL)
                    970:                        xfree(*state);
1.135     ray       971:                *state = xstrdup(tokens[1]);
1.98      niallo    972:                break;
                    973:        case KW_TYPE_REVISION:
                    974:                /* only parse revision if one is not already set */
                    975:                if (*rev != NULL)
                    976:                        break;
1.102     niallo    977:                for ((p = strtok(keystring, " ")); p;
1.107     deraadt   978:                    (p = strtok(NULL, " "))) {
1.99      niallo    979:                        if (i < KW_NUMTOKS_REVISION - 1)
                    980:                                tokens[i++] = p;
1.107     deraadt   981:                }
1.98      niallo    982:                if ((*rev = rcsnum_parse(tokens[1])) == NULL)
1.160     xsa       983:                        errx(1, "could not parse rcsnum");
1.98      niallo    984:                break;
                    985:        }
1.1       niallo    986: }