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Annotation of mandoc/apropos.c, Revision 1.32

1.32    ! kristaps    1: /*     $Id: apropos.c,v 1.31 2012/06/08 10:44:52 kristaps Exp $ */
1.1       kristaps    2: /*
1.31      kristaps    3:  * Copyright (c) 2012 Kristaps Dzonsons <kristaps@bsd.lv>
1.1       kristaps    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:  */
1.13      kristaps   17: #ifdef HAVE_CONFIG_H
                     18: #include "config.h"
                     19: #endif
1.27      kristaps   20: #include <sys/param.h>
1.13      kristaps   21:
1.1       kristaps   22: #include <assert.h>
                     23: #include <getopt.h>
                     24: #include <stdio.h>
                     25: #include <stdlib.h>
                     26: #include <string.h>
1.29      kristaps   27: #include <unistd.h>
1.1       kristaps   28:
1.18      kristaps   29: #include "manpath.h"
1.31      kristaps   30: #include "mansearch.h"
1.1       kristaps   31:
                     32: int
                     33: main(int argc, char *argv[])
                     34: {
1.32    ! kristaps   35:        int              ch, whatis;
        !            36:        struct mansearch search;
1.31      kristaps   37:        size_t           i, sz;
                     38:        struct manpage  *res;
1.32    ! kristaps   39:        char            *conf_file, *defpaths, *auxpaths;
1.15      kristaps   40:        struct manpaths  paths;
1.31      kristaps   41:        char            *progname;
                     42:        extern char     *optarg;
1.1       kristaps   43:        extern int       optind;
                     44:
                     45:        progname = strrchr(argv[0], '/');
                     46:        if (progname == NULL)
                     47:                progname = argv[0];
                     48:        else
                     49:                ++progname;
                     50:
1.32    ! kristaps   51:        auxpaths = defpaths = conf_file = NULL;
1.15      kristaps   52:        memset(&paths, 0, sizeof(struct manpaths));
1.32    ! kristaps   53:        memset(&search, 0, sizeof(struct mansearch));
        !            54:        whatis = (0 == strcmp(progname, "whatis"));
1.15      kristaps   55:
1.24      schwarze   56:        while (-1 != (ch = getopt(argc, argv, "C:M:m:S:s:")))
1.1       kristaps   57:                switch (ch) {
1.24      schwarze   58:                case ('C'):
                     59:                        conf_file = optarg;
                     60:                        break;
1.17      kristaps   61:                case ('M'):
                     62:                        defpaths = optarg;
                     63:                        break;
1.15      kristaps   64:                case ('m'):
1.17      kristaps   65:                        auxpaths = optarg;
1.15      kristaps   66:                        break;
1.9       kristaps   67:                case ('S'):
1.32    ! kristaps   68:                        search.arch = optarg;
1.1       kristaps   69:                        break;
1.9       kristaps   70:                case ('s'):
1.32    ! kristaps   71:                        search.sec = optarg;
1.1       kristaps   72:                        break;
                     73:                default:
1.31      kristaps   74:                        goto usage;
1.1       kristaps   75:                }
                     76:
                     77:        argc -= optind;
                     78:        argv += optind;
                     79:
1.31      kristaps   80:        if (0 == argc)
                     81:                goto usage;
1.15      kristaps   82:
1.32    ! kristaps   83:        search.deftype = whatis ? TYPE_Nm : TYPE_Nm | TYPE_Nd;
        !            84:        search.flags = whatis ? MANSEARCH_WHATIS : 0;
        !            85:
1.24      schwarze   86:        manpath_parse(&paths, conf_file, defpaths, auxpaths);
1.32    ! kristaps   87:        ch = mansearch(&search, &paths, argc, argv, &res, &sz);
1.18      kristaps   88:        manpath_free(&paths);
1.28      kristaps   89:
1.31      kristaps   90:        if (0 == ch)
                     91:                goto usage;
1.28      kristaps   92:
1.31      kristaps   93:        for (i = 0; i < sz; i++) {
                     94:                printf("%s - %s\n", res[i].file, res[i].desc);
                     95:                free(res[i].desc);
1.28      kristaps   96:        }
                     97:
1.31      kristaps   98:        free(res);
                     99:        return(sz ? EXIT_SUCCESS : EXIT_FAILURE);
                    100: usage:
                    101:        fprintf(stderr, "usage: %s [-C conf] "
                    102:                                  "[-M paths] "
                    103:                                  "[-m paths] "
                    104:                                  "[-S arch] "
                    105:                                  "[-s section] "
                    106:                                  "expr ...\n",
                    107:                                  progname);
1.28      kristaps  108:        return(EXIT_FAILURE);
1.1       kristaps  109: }