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Annotation of src/usr.bin/cvs/config.c, Revision 1.15

1.15    ! joris       1: /*     $OpenBSD: config.c,v 1.14 2008/02/04 19:08:32 joris Exp $       */
1.1       joris       2: /*
                      3:  * Copyright (c) 2006 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:
1.9       otto       18: #include <sys/param.h>
                     19: #include <sys/dirent.h>
                     20: #include <sys/resource.h>
                     21:
                     22: #include <errno.h>
1.12      tobias     23: #include <limits.h>
1.9       otto       24: #include <stdlib.h>
                     25: #include <string.h>
1.1       joris      26:
                     27: #include "cvs.h"
                     28: #include "config.h"
                     29:
                     30: void
                     31: cvs_parse_configfile(void)
                     32: {
1.13      joris      33:        cvs_log(LP_TRACE, "cvs_parse_configfile()");
                     34:        cvs_read_config(CVS_PATH_CONFIG, config_parse_line);
                     35: }
                     36:
1.15    ! joris      37: int
1.14      joris      38: config_parse_line(char *line, int lineno)
1.13      joris      39: {
                     40:        struct rlimit rl;
                     41:        const char *errstr;
                     42:        char *val, *opt, *ep;
                     43:
                     44:        opt = line;
                     45:        if ((val = strrchr(opt, '=')) == NULL)
                     46:                fatal("cvs_parse_configfile: bad option '%s'", opt);
                     47:
                     48:        *(val++) = '\0';
                     49:
                     50:        if (!strcmp(opt, "tag")) {
                     51:                if (cvs_tagname != NULL)
                     52:                        xfree(cvs_tagname);
                     53:                cvs_tagname = xstrdup(val);
                     54:        } else if (!strcmp(opt, "umask")) {
                     55:                cvs_umask = strtol(val, &ep, 8);
                     56:
                     57:                if (val == ep || *ep != '\0')
                     58:                        fatal("cvs_parse_configfile: umask %s is "
                     59:                            "invalid", val);
                     60:                if (cvs_umask < 0 || cvs_umask > 07777)
                     61:                        fatal("cvs_parse_configfile: umask %s is "
                     62:                            "invalid", val);
                     63:        } else if (!strcmp(opt, "dlimit")) {
                     64:                if (getrlimit(RLIMIT_DATA, &rl) != -1) {
                     65:                        rl.rlim_cur = (int)strtonum(val, 0, INT_MAX,
                     66:                            &errstr);
                     67:                        if (errstr != NULL)
                     68:                                fatal("cvs_parse_configfile: %s: %s",
                     69:                                    val, errstr);
                     70:                        rl.rlim_cur = rl.rlim_cur * 1024;
                     71:                        (void)setrlimit(RLIMIT_DATA, &rl);
                     72:                }
                     73:        } else {
                     74:                cvs_log(LP_ERR, "ignoring unknown option '%s'", opt);
                     75:        }
1.15    ! joris      76:
        !            77:        return (0);
1.13      joris      78: }
                     79:
                     80: void
1.15    ! joris      81: cvs_read_config(char *name, int (*cb)(char *, int))
1.13      joris      82: {
1.1       joris      83:        FILE *fp;
                     84:        size_t len;
1.14      joris      85:        int lineno;
1.13      joris      86:        char *p, *buf, *lbuf, fpath[MAXPATHLEN];
1.1       joris      87:
1.8       xsa        88:        (void)xsnprintf(fpath, sizeof(fpath), "%s/%s",
1.13      joris      89:            current_cvsroot->cr_dir, name);
1.6       xsa        90:
1.13      joris      91:        if ((fp = fopen(fpath, "r")) == NULL)
1.10      xsa        92:                return;
1.1       joris      93:
                     94:        lbuf = NULL;
1.14      joris      95:        lineno = 0;
1.13      joris      96:        while ((buf = fgetln(fp, &len)) != NULL) {
1.14      joris      97:                lineno++;
1.1       joris      98:                if (buf[len - 1] == '\n') {
                     99:                        buf[len - 1] = '\0';
                    100:                } else {
                    101:                        lbuf = xmalloc(len + 1);
1.7       otto      102:                        memcpy(lbuf, buf, len);
                    103:                        lbuf[len] = '\0';
1.1       joris     104:                        buf = lbuf;
                    105:                }
                    106:
1.2       joris     107:                p = buf;
1.13      joris     108:                while (*p == ' ' || *p == '\t')
1.2       joris     109:                        p++;
                    110:
1.13      joris     111:                if (p[0] == '#' || p[0] == '\0')
1.2       joris     112:                        continue;
                    113:
1.15    ! joris     114:                if (cb(p, lineno) < 0)
        !           115:                        break;
1.13      joris     116:        }
1.1       joris     117:
1.13      joris     118:        if (lbuf != NULL)
                    119:                xfree(lbuf);
1.1       joris     120:
                    121:        (void)fclose(fp);
                    122: }