Annotation of mandoc/apropos.c, Revision 1.24
1.24 ! schwarze 1: /* $Id: apropos.c,v 1.23 2011/12/07 16:08:55 kristaps Exp $ */
1.1 kristaps 2: /*
1.8 kristaps 3: * Copyright (c) 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.15 kristaps 4: * Copyright (c) 2011 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
21:
1.1 kristaps 22: #include <assert.h>
23: #include <getopt.h>
24: #include <stdio.h>
25: #include <stdlib.h>
26: #include <string.h>
27:
1.11 schwarze 28: #include "apropos_db.h"
1.1 kristaps 29: #include "mandoc.h"
1.18 kristaps 30: #include "manpath.h"
1.15 kristaps 31:
1.8 kristaps 32: static int cmp(const void *, const void *);
1.14 kristaps 33: static void list(struct res *, size_t, void *);
1.1 kristaps 34: static void usage(void);
35:
1.2 kristaps 36: static char *progname;
1.1 kristaps 37:
38: int
39: main(int argc, char *argv[])
40: {
1.20 kristaps 41: int ch, rc, whatis;
1.15 kristaps 42: struct manpaths paths;
1.14 kristaps 43: size_t terms;
1.1 kristaps 44: struct opts opts;
1.10 kristaps 45: struct expr *e;
1.17 kristaps 46: char *defpaths, *auxpaths;
1.24 ! schwarze 47: char *conf_file;
1.1 kristaps 48: extern int optind;
49: extern char *optarg;
50:
51: progname = strrchr(argv[0], '/');
52: if (progname == NULL)
53: progname = argv[0];
54: else
55: ++progname;
56:
1.21 schwarze 57: whatis = 0 == strncmp(progname, "whatis", 6);
1.20 kristaps 58:
1.15 kristaps 59: memset(&paths, 0, sizeof(struct manpaths));
60: memset(&opts, 0, sizeof(struct opts));
61:
1.17 kristaps 62: auxpaths = defpaths = NULL;
1.24 ! schwarze 63: conf_file = NULL;
1.15 kristaps 64: e = NULL;
65:
1.24 ! schwarze 66: while (-1 != (ch = getopt(argc, argv, "C:M:m:S:s:")))
1.1 kristaps 67: switch (ch) {
1.24 ! schwarze 68: case ('C'):
! 69: conf_file = optarg;
! 70: break;
1.17 kristaps 71: case ('M'):
72: defpaths = optarg;
73: break;
1.15 kristaps 74: case ('m'):
1.17 kristaps 75: auxpaths = optarg;
1.15 kristaps 76: break;
1.9 kristaps 77: case ('S'):
1.1 kristaps 78: opts.arch = optarg;
79: break;
1.9 kristaps 80: case ('s'):
1.1 kristaps 81: opts.cat = optarg;
82: break;
83: default:
84: usage();
1.20 kristaps 85: return(EXIT_FAILURE);
1.1 kristaps 86: }
87:
88: argc -= optind;
89: argv += optind;
90:
1.20 kristaps 91: if (0 == argc)
92: return(EXIT_SUCCESS);
93:
94: rc = 0;
1.15 kristaps 95:
1.24 ! schwarze 96: manpath_parse(&paths, conf_file, defpaths, auxpaths);
1.1 kristaps 97:
1.20 kristaps 98: e = whatis ? termcomp(argc, argv, &terms) :
99: exprcomp(argc, argv, &terms);
100:
101: if (NULL == e) {
1.16 kristaps 102: fprintf(stderr, "%s: Bad expression\n", progname);
1.15 kristaps 103: goto out;
1.10 kristaps 104: }
1.13 kristaps 105:
1.15 kristaps 106: rc = apropos_search
1.19 schwarze 107: (paths.sz, paths.paths,
1.15 kristaps 108: &opts, e, terms, NULL, list);
109:
1.19 schwarze 110: if (0 == rc)
1.16 kristaps 111: fprintf(stderr, "%s: Error reading "
112: "manual database\n", progname);
1.2 kristaps 113:
1.15 kristaps 114: out:
1.18 kristaps 115: manpath_free(&paths);
1.10 kristaps 116: exprfree(e);
1.15 kristaps 117:
118: return(rc ? EXIT_SUCCESS : EXIT_FAILURE);
1.1 kristaps 119: }
120:
1.8 kristaps 121: /* ARGSUSED */
1.1 kristaps 122: static void
1.14 kristaps 123: list(struct res *res, size_t sz, void *arg)
1.1 kristaps 124: {
1.8 kristaps 125: int i;
1.1 kristaps 126:
1.14 kristaps 127: qsort(res, sz, sizeof(struct res), cmp);
1.1 kristaps 128:
1.8 kristaps 129: for (i = 0; i < (int)sz; i++)
1.19 schwarze 130: printf("%s(%s%s%s) - %s\n", res[i].title,
131: res[i].cat,
1.1 kristaps 132: *res[i].arch ? "/" : "",
133: *res[i].arch ? res[i].arch : "",
134: res[i].desc);
135: }
136:
1.8 kristaps 137: static int
138: cmp(const void *p1, const void *p2)
139: {
140:
1.23 kristaps 141: return(strcasecmp(((const struct res *)p1)->title,
1.14 kristaps 142: ((const struct res *)p2)->title));
1.8 kristaps 143: }
144:
1.1 kristaps 145: static void
146: usage(void)
147: {
148:
1.15 kristaps 149: fprintf(stderr, "usage: %s "
1.24 ! schwarze 150: "[-C file] "
1.22 kristaps 151: "[-M manpath] "
152: "[-m manpath] "
1.15 kristaps 153: "[-S arch] "
154: "[-s section] "
1.24 ! schwarze 155: "expression ...\n",
1.19 schwarze 156: progname);
1.1 kristaps 157: }
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