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Annotation of src/usr.bin/rcs/rcsclean.c, Revision 1.16

1.16    ! xsa         1: /*     $OpenBSD: rcsclean.c,v 1.15 2005/11/21 16:20:29 xsa Exp $       */
1.1       joris       2: /*
                      3:  * Copyright (c) 2005 Joris Vink <joris@openbsd.org>
                      4:  * All rights reserved.
                      5:  *
                      6:  * Redistribution and use in source and binary forms, with or without
                      7:  * modification, are permitted provided that the following conditions
                      8:  * are met:
                      9:  *
                     10:  * 1. Redistributions of source code must retain the above copyright
                     11:  *    notice, this list of conditions and the following disclaimer.
                     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:
                     27: #include <sys/param.h>
                     28: #include <sys/stat.h>
                     29:
                     30: #include <dirent.h>
                     31: #include <stdio.h>
                     32: #include <stdlib.h>
                     33: #include <string.h>
                     34: #include <unistd.h>
                     35:
                     36: #include "log.h"
                     37: #include "rcs.h"
1.4       niallo     38: #include "diff.h"
1.1       joris      39: #include "rcsprog.h"
                     40:
                     41: static int rcsclean_file(char *, RCSNUM *);
1.3       joris      42: static int nflag = 0;
                     43: static int kflag = RCS_KWEXP_ERR;
1.11      xsa        44: static int uflag = 0;
1.1       joris      45:
                     46: int
                     47: rcsclean_main(int argc, char **argv)
                     48: {
1.16    ! xsa        49:        int i, ch, flags;
1.1       joris      50:        RCSNUM *rev;
                     51:        DIR *dirp;
                     52:        struct dirent *dp;
                     53:
1.16    ! xsa        54:        flags = 0;
1.1       joris      55:        rev = RCS_HEAD_REV;
                     56:
1.16    ! xsa        57:        while ((ch = rcs_getopt(argc, argv, "k:n::q::r:Tu::Vx:")) != -1) {
1.1       joris      58:                switch (ch) {
1.3       joris      59:                case 'k':
1.7       joris      60:                        kflag = rcs_kflag_get(rcs_optarg);
1.3       joris      61:                        if (RCS_KWEXP_INVAL(kflag)) {
                     62:                                cvs_log(LP_ERR,
                     63:                                    "invalid RCS keyword expansion mode");
                     64:                                (usage)();
                     65:                                exit(1);
                     66:                        }
                     67:                        break;
                     68:                case 'n':
1.12      xsa        69:                        rcs_set_rev(rcs_optarg, &rev);
1.3       joris      70:                        nflag = 1;
                     71:                        break;
1.1       joris      72:                case 'q':
1.12      xsa        73:                        rcs_set_rev(rcs_optarg, &rev);
1.1       joris      74:                        verbose = 0;
                     75:                        break;
1.2       joris      76:                case 'r':
1.8       joris      77:                        rcs_set_rev(rcs_optarg, &rev);
1.16    ! xsa        78:                        break;
        !            79:                case 'T':
        !            80:                        flags |= PRESERVETIME;
1.2       joris      81:                        break;
1.11      xsa        82:                case 'u':
1.12      xsa        83:                        rcs_set_rev(rcs_optarg, &rev);
1.11      xsa        84:                        uflag = 1;
                     85:                        break;
1.1       joris      86:                case 'V':
                     87:                        printf("%s\n", rcs_version);
                     88:                        exit(0);
1.15      xsa        89:                case 'x':
                     90:                        rcs_suffixes = rcs_optarg;
                     91:                        break;
1.1       joris      92:                default:
                     93:                        break;
                     94:                }
                     95:        }
                     96:
1.7       joris      97:        argc -= rcs_optind;
                     98:        argv += rcs_optind;
1.1       joris      99:
                    100:        if (argc == 0) {
                    101:                if ((dirp = opendir(".")) == NULL) {
                    102:                        cvs_log(LP_ERRNO, "failed to open directory '.'");
                    103:                        (usage)();
                    104:                        exit(1);
                    105:                }
                    106:
                    107:                while ((dp = readdir(dirp)) != NULL) {
                    108:                        if (dp->d_type == DT_DIR)
                    109:                                continue;
                    110:                        rcsclean_file(dp->d_name, rev);
                    111:                }
                    112:
                    113:                closedir(dirp);
                    114:        } else {
                    115:                for (i = 0; i < argc; i++)
                    116:                        rcsclean_file(argv[i], rev);
                    117:        }
                    118:
                    119:        return (0);
                    120: }
                    121:
                    122: void
                    123: rcsclean_usage(void)
                    124: {
1.5       deraadt   125:        fprintf(stderr,
1.12      xsa       126:            "usage: rcsclean [-V] [-kmode] [-n[rev]] [-q[rev]]\n"
                    127:            "                [-rrev] [-u[rev]] [file] ...\n");
1.1       joris     128: }
                    129:
                    130: static int
                    131: rcsclean_file(char *fname, RCSNUM *rev)
                    132: {
                    133:        int match;
                    134:        RCSFILE *file;
1.11      xsa       135:        char fpath[MAXPATHLEN], numb[64];
1.1       joris     136:        RCSNUM *frev;
                    137:        BUF *b1, *b2;
                    138:        char *s1, *s2, *c1, *c2;
1.3       joris     139:        struct stat st;
1.1       joris     140:
                    141:        match = 1;
1.3       joris     142:
                    143:        if (stat(fname, &st) == -1)
                    144:                return (-1);
                    145:
1.1       joris     146:        if (rcs_statfile(fname, fpath, sizeof(fpath)) < 0)
                    147:                return (-1);
                    148:
                    149:        if ((file = rcs_open(fpath, RCS_RDWR)) == NULL)
                    150:                return (-1);
                    151:
1.3       joris     152:        if (!RCS_KWEXP_INVAL(kflag))
                    153:                rcs_kwexp_set(file, kflag);
                    154:
1.1       joris     155:        if (rev == RCS_HEAD_REV)
                    156:                frev = file->rf_head;
                    157:        else
                    158:                frev = rev;
                    159:
                    160:        if ((b1 = rcs_getrev(file, frev)) == NULL) {
                    161:                cvs_log(LP_ERR, "failed to get needed revision");
                    162:                rcs_close(file);
                    163:                return (-1);
                    164:        }
                    165:
                    166:        if ((b2 = cvs_buf_load(fname, BUF_AUTOEXT)) == NULL) {
                    167:                cvs_log(LP_ERRNO, "failed to load '%s'", fname);
                    168:                rcs_close(file);
                    169:                return (-1);
                    170:        }
                    171:
                    172:        cvs_buf_putc(b1, '\0');
                    173:        cvs_buf_putc(b2, '\0');
                    174:
                    175:        c1 = cvs_buf_release(b1);
                    176:        c2 = cvs_buf_release(b2);
                    177:
                    178:        for (s1 = c1, s2 = c2; *s1 && *s2; *s1++, *s2++) {
                    179:                if (*s1 != *s2) {
                    180:                        match = 0;
                    181:                        break;
                    182:                }
                    183:        }
                    184:
                    185:        free(c1);
                    186:        free(c2);
                    187:
1.9       xsa       188:        if (match == 1) {
1.13      xsa       189:                if ((uflag == 1) && (!TAILQ_EMPTY(&(file->rf_locks)))) {
1.11      xsa       190:                        if ((verbose == 1) && (nflag == 0)) {
                    191:                                printf("rcs -u%s %s\n",
                    192:                                    rcsnum_tostr(frev, numb, sizeof(numb)),
                    193:                                    fpath);
                    194:                        }
                    195:                        (void)rcs_lock_remove(file, frev);
                    196:                }
                    197:
1.14      xsa       198:                if (TAILQ_EMPTY(&(file->rf_locks))) {
                    199:                        if (verbose == 1)
                    200:                                printf("rm -f %s\n", fname);
1.11      xsa       201:
1.14      xsa       202:                        if (nflag == 0)
                    203:                                (void)unlink(fname);
                    204:                }
1.1       joris     205:        }
                    206:
                    207:        rcs_close(file);
                    208:        return (0);
                    209: }