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Annotation of mandoc/apropos.c, Revision 1.36

1.36    ! schwarze    1: /*     $Id: apropos.c,v 1.35 2013/12/27 18:51:25 schwarze Exp $ */
1.1       kristaps    2: /*
1.31      kristaps    3:  * Copyright (c) 2012 Kristaps Dzonsons <kristaps@bsd.lv>
1.36    ! schwarze    4:  * Copyright (c) 2013 Ingo Schwarze <schwarze@openbsd.org>
1.1       kristaps    5:  *
                      6:  * Permission to use, copy, modify, and distribute this software for any
                      7:  * purpose with or without fee is hereby granted, provided that the above
                      8:  * copyright notice and this permission notice appear in all copies.
                      9:  *
                     10:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
                     11:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
                     12:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
                     13:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
                     14:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
                     15:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
                     16:  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
                     17:  */
1.13      kristaps   18: #ifdef HAVE_CONFIG_H
                     19: #include "config.h"
                     20: #endif
1.27      kristaps   21: #include <sys/param.h>
1.13      kristaps   22:
1.1       kristaps   23: #include <assert.h>
                     24: #include <getopt.h>
1.33      kristaps   25: #include <stdint.h>
1.1       kristaps   26: #include <stdio.h>
                     27: #include <stdlib.h>
                     28: #include <string.h>
1.29      kristaps   29: #include <unistd.h>
1.1       kristaps   30:
1.18      kristaps   31: #include "manpath.h"
1.31      kristaps   32: #include "mansearch.h"
1.1       kristaps   33:
                     34: int
                     35: main(int argc, char *argv[])
                     36: {
1.32      kristaps   37:        int              ch, whatis;
                     38:        struct mansearch search;
1.31      kristaps   39:        size_t           i, sz;
                     40:        struct manpage  *res;
1.15      kristaps   41:        struct manpaths  paths;
1.34      schwarze   42:        char            *defpaths, *auxpaths;
                     43:        char            *conf_file;
1.31      kristaps   44:        char            *progname;
1.36    ! schwarze   45:        char            *outkey;
1.31      kristaps   46:        extern char     *optarg;
1.1       kristaps   47:        extern int       optind;
                     48:
                     49:        progname = strrchr(argv[0], '/');
                     50:        if (progname == NULL)
                     51:                progname = argv[0];
                     52:        else
                     53:                ++progname;
                     54:
1.34      schwarze   55:        whatis = (0 == strncmp(progname, "whatis", 6));
                     56:
1.15      kristaps   57:        memset(&paths, 0, sizeof(struct manpaths));
1.32      kristaps   58:        memset(&search, 0, sizeof(struct mansearch));
1.34      schwarze   59:
                     60:        auxpaths = defpaths = NULL;
                     61:        conf_file = NULL;
1.36    ! schwarze   62:        outkey = NULL;
1.15      kristaps   63:
1.36    ! schwarze   64:        while (-1 != (ch = getopt(argc, argv, "C:M:m:O:S:s:")))
1.1       kristaps   65:                switch (ch) {
1.24      schwarze   66:                case ('C'):
                     67:                        conf_file = optarg;
                     68:                        break;
1.17      kristaps   69:                case ('M'):
                     70:                        defpaths = optarg;
                     71:                        break;
1.15      kristaps   72:                case ('m'):
1.17      kristaps   73:                        auxpaths = optarg;
1.15      kristaps   74:                        break;
1.36    ! schwarze   75:                case ('O'):
        !            76:                        outkey = optarg;
        !            77:                        break;
1.9       kristaps   78:                case ('S'):
1.32      kristaps   79:                        search.arch = optarg;
1.1       kristaps   80:                        break;
1.9       kristaps   81:                case ('s'):
1.32      kristaps   82:                        search.sec = optarg;
1.1       kristaps   83:                        break;
                     84:                default:
1.31      kristaps   85:                        goto usage;
1.1       kristaps   86:                }
                     87:
                     88:        argc -= optind;
                     89:        argv += optind;
                     90:
1.31      kristaps   91:        if (0 == argc)
                     92:                goto usage;
1.15      kristaps   93:
1.32      kristaps   94:        search.deftype = whatis ? TYPE_Nm : TYPE_Nm | TYPE_Nd;
                     95:        search.flags = whatis ? MANSEARCH_WHATIS : 0;
                     96:
1.24      schwarze   97:        manpath_parse(&paths, conf_file, defpaths, auxpaths);
1.36    ! schwarze   98:        ch = mansearch(&search, &paths, argc, argv, outkey, &res, &sz);
1.18      kristaps   99:        manpath_free(&paths);
1.28      kristaps  100:
1.31      kristaps  101:        if (0 == ch)
                    102:                goto usage;
1.28      kristaps  103:
1.31      kristaps  104:        for (i = 0; i < sz; i++) {
1.36    ! schwarze  105:                printf("%s - %s\n", res[i].names,
        !           106:                    NULL == outkey ? res[i].desc :
        !           107:                    NULL == res[i].output ? "" : res[i].output);
1.35      schwarze  108:                free(res[i].file);
                    109:                free(res[i].names);
1.31      kristaps  110:                free(res[i].desc);
1.36    ! schwarze  111:                free(res[i].output);
1.28      kristaps  112:        }
                    113:
1.31      kristaps  114:        free(res);
                    115:        return(sz ? EXIT_SUCCESS : EXIT_FAILURE);
                    116: usage:
1.34      schwarze  117:        fprintf(stderr, "usage: %s [-C file] [-M path] [-m path] "
1.36    ! schwarze  118:                        "[-O outkey] "
1.34      schwarze  119:                        "[-S arch] [-s section]%s ...\n", progname,
                    120:                        whatis ? " name" : "\n               expression");
1.28      kristaps  121:        return(EXIT_FAILURE);
1.1       kristaps  122: }