158 lines
3.3 KiB
C
158 lines
3.3 KiB
C
/* $Vendor-Id: apropos.c,v 1.25 2011/12/31 18:47:52 kristaps Exp $ */
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/*
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* Copyright (c) 2011 Kristaps Dzonsons <kristaps@bsd.lv>
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* Copyright (c) 2011 Ingo Schwarze <schwarze@openbsd.org>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <assert.h>
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#include <getopt.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "apropos_db.h"
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#include "mandoc.h"
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#include "manpath.h"
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static int cmp(const void *, const void *);
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static void list(struct res *, size_t, void *);
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static void usage(void);
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static char *progname;
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int
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main(int argc, char *argv[])
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{
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int ch, rc, whatis;
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struct manpaths paths;
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size_t terms;
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struct opts opts;
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struct expr *e;
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char *defpaths, *auxpaths;
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char *conf_file;
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extern int optind;
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extern char *optarg;
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progname = strrchr(argv[0], '/');
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if (progname == NULL)
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progname = argv[0];
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else
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++progname;
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whatis = 0 == strncmp(progname, "whatis", 6);
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memset(&paths, 0, sizeof(struct manpaths));
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memset(&opts, 0, sizeof(struct opts));
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auxpaths = defpaths = NULL;
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conf_file = NULL;
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e = NULL;
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while (-1 != (ch = getopt(argc, argv, "C:M:m:S:s:")))
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switch (ch) {
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case ('C'):
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conf_file = optarg;
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break;
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case ('M'):
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defpaths = optarg;
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break;
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case ('m'):
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auxpaths = optarg;
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break;
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case ('S'):
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opts.arch = optarg;
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break;
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case ('s'):
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opts.cat = optarg;
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break;
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default:
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usage();
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return(EXIT_FAILURE);
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}
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argc -= optind;
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argv += optind;
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if (0 == argc)
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return(EXIT_SUCCESS);
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rc = 0;
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manpath_parse(&paths, conf_file, defpaths, auxpaths);
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e = whatis ? termcomp(argc, argv, &terms) :
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exprcomp(argc, argv, &terms);
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if (NULL == e) {
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fprintf(stderr, "%s: Bad expression\n", progname);
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goto out;
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}
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rc = apropos_search
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(paths.sz, paths.paths,
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&opts, e, terms, NULL, list);
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if (0 == rc)
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fprintf(stderr, "%s: Error reading "
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"manual database\n", progname);
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out:
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manpath_free(&paths);
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exprfree(e);
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return(rc ? EXIT_SUCCESS : EXIT_FAILURE);
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}
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/* ARGSUSED */
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static void
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list(struct res *res, size_t sz, void *arg)
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{
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int i;
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qsort(res, sz, sizeof(struct res), cmp);
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for (i = 0; i < (int)sz; i++)
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printf("%s(%s%s%s) - %.70s\n", res[i].title,
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res[i].cat,
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*res[i].arch ? "/" : "",
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*res[i].arch ? res[i].arch : "",
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res[i].desc);
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}
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static int
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cmp(const void *p1, const void *p2)
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{
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return(strcasecmp(((const struct res *)p1)->title,
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((const struct res *)p2)->title));
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}
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static void
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usage(void)
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{
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fprintf(stderr, "usage: %s "
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"[-C file] "
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"[-M manpath] "
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"[-m manpath] "
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"[-S arch] "
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"[-s section] "
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"expression ...\n",
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progname);
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}
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