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Annotation of mandoc/apropos.c, Revision 1.33

1.33    ! kristaps    1: /*     $Id: apropos.c,v 1.32 2012/06/09 14:11:15 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>
1.33    ! kristaps   24: #include <stdint.h>
1.1       kristaps   25: #include <stdio.h>
                     26: #include <stdlib.h>
                     27: #include <string.h>
1.29      kristaps   28: #include <unistd.h>
1.1       kristaps   29:
1.18      kristaps   30: #include "manpath.h"
1.31      kristaps   31: #include "mansearch.h"
1.1       kristaps   32:
                     33: int
                     34: main(int argc, char *argv[])
                     35: {
1.32      kristaps   36:        int              ch, whatis;
                     37:        struct mansearch search;
1.31      kristaps   38:        size_t           i, sz;
                     39:        struct manpage  *res;
1.32      kristaps   40:        char            *conf_file, *defpaths, *auxpaths;
1.15      kristaps   41:        struct manpaths  paths;
1.31      kristaps   42:        char            *progname;
                     43:        extern char     *optarg;
1.1       kristaps   44:        extern int       optind;
                     45:
                     46:        progname = strrchr(argv[0], '/');
                     47:        if (progname == NULL)
                     48:                progname = argv[0];
                     49:        else
                     50:                ++progname;
                     51:
1.32      kristaps   52:        auxpaths = defpaths = conf_file = NULL;
1.15      kristaps   53:        memset(&paths, 0, sizeof(struct manpaths));
1.32      kristaps   54:        memset(&search, 0, sizeof(struct mansearch));
                     55:        whatis = (0 == strcmp(progname, "whatis"));
1.15      kristaps   56:
1.24      schwarze   57:        while (-1 != (ch = getopt(argc, argv, "C:M:m:S:s:")))
1.1       kristaps   58:                switch (ch) {
1.24      schwarze   59:                case ('C'):
                     60:                        conf_file = optarg;
                     61:                        break;
1.17      kristaps   62:                case ('M'):
                     63:                        defpaths = optarg;
                     64:                        break;
1.15      kristaps   65:                case ('m'):
1.17      kristaps   66:                        auxpaths = optarg;
1.15      kristaps   67:                        break;
1.9       kristaps   68:                case ('S'):
1.32      kristaps   69:                        search.arch = optarg;
1.1       kristaps   70:                        break;
1.9       kristaps   71:                case ('s'):
1.32      kristaps   72:                        search.sec = optarg;
1.1       kristaps   73:                        break;
                     74:                default:
1.31      kristaps   75:                        goto usage;
1.1       kristaps   76:                }
                     77:
                     78:        argc -= optind;
                     79:        argv += optind;
                     80:
1.31      kristaps   81:        if (0 == argc)
                     82:                goto usage;
1.15      kristaps   83:
1.32      kristaps   84:        search.deftype = whatis ? TYPE_Nm : TYPE_Nm | TYPE_Nd;
                     85:        search.flags = whatis ? MANSEARCH_WHATIS : 0;
                     86:
1.24      schwarze   87:        manpath_parse(&paths, conf_file, defpaths, auxpaths);
1.32      kristaps   88:        ch = mansearch(&search, &paths, argc, argv, &res, &sz);
1.18      kristaps   89:        manpath_free(&paths);
1.28      kristaps   90:
1.31      kristaps   91:        if (0 == ch)
                     92:                goto usage;
1.28      kristaps   93:
1.31      kristaps   94:        for (i = 0; i < sz; i++) {
                     95:                printf("%s - %s\n", res[i].file, res[i].desc);
                     96:                free(res[i].desc);
1.28      kristaps   97:        }
                     98:
1.31      kristaps   99:        free(res);
                    100:        return(sz ? EXIT_SUCCESS : EXIT_FAILURE);
                    101: usage:
                    102:        fprintf(stderr, "usage: %s [-C conf] "
                    103:                                  "[-M paths] "
                    104:                                  "[-m paths] "
                    105:                                  "[-S arch] "
                    106:                                  "[-s section] "
                    107:                                  "expr ...\n",
                    108:                                  progname);
1.28      kristaps  109:        return(EXIT_FAILURE);
1.1       kristaps  110: }