Annotation of mandoc/apropos.c, Revision 1.27
1.27 ! kristaps 1: /* $Id: apropos.c,v 1.26 2012/03/23 02:52:33 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
1.27 ! kristaps 21: #include <sys/param.h>
1.13 kristaps 22:
1.1 kristaps 23: #include <assert.h>
24: #include <getopt.h>
25: #include <stdio.h>
26: #include <stdlib.h>
27: #include <string.h>
28:
1.11 schwarze 29: #include "apropos_db.h"
1.1 kristaps 30: #include "mandoc.h"
1.18 kristaps 31: #include "manpath.h"
1.15 kristaps 32:
1.8 kristaps 33: static int cmp(const void *, const void *);
1.14 kristaps 34: static void list(struct res *, size_t, void *);
1.1 kristaps 35: static void usage(void);
36:
1.2 kristaps 37: static char *progname;
1.1 kristaps 38:
39: int
40: main(int argc, char *argv[])
41: {
1.20 kristaps 42: int ch, rc, whatis;
1.27 ! kristaps 43: struct res *res;
1.15 kristaps 44: struct manpaths paths;
1.27 ! kristaps 45: size_t terms, ressz;
1.1 kristaps 46: struct opts opts;
1.10 kristaps 47: struct expr *e;
1.17 kristaps 48: char *defpaths, *auxpaths;
1.24 schwarze 49: char *conf_file;
1.1 kristaps 50: extern int optind;
51: extern char *optarg;
52:
53: progname = strrchr(argv[0], '/');
54: if (progname == NULL)
55: progname = argv[0];
56: else
57: ++progname;
58:
1.21 schwarze 59: whatis = 0 == strncmp(progname, "whatis", 6);
1.20 kristaps 60:
1.15 kristaps 61: memset(&paths, 0, sizeof(struct manpaths));
62: memset(&opts, 0, sizeof(struct opts));
63:
1.27 ! kristaps 64: ressz = 0;
! 65: res = NULL;
1.17 kristaps 66: auxpaths = defpaths = NULL;
1.24 schwarze 67: conf_file = NULL;
1.15 kristaps 68: e = NULL;
69:
1.24 schwarze 70: while (-1 != (ch = getopt(argc, argv, "C:M:m:S:s:")))
1.1 kristaps 71: switch (ch) {
1.24 schwarze 72: case ('C'):
73: conf_file = optarg;
74: break;
1.17 kristaps 75: case ('M'):
76: defpaths = optarg;
77: break;
1.15 kristaps 78: case ('m'):
1.17 kristaps 79: auxpaths = optarg;
1.15 kristaps 80: break;
1.9 kristaps 81: case ('S'):
1.1 kristaps 82: opts.arch = optarg;
83: break;
1.9 kristaps 84: case ('s'):
1.1 kristaps 85: opts.cat = optarg;
86: break;
87: default:
88: usage();
1.20 kristaps 89: return(EXIT_FAILURE);
1.1 kristaps 90: }
91:
92: argc -= optind;
93: argv += optind;
94:
1.20 kristaps 95: if (0 == argc)
96: return(EXIT_SUCCESS);
97:
98: rc = 0;
1.15 kristaps 99:
1.24 schwarze 100: manpath_parse(&paths, conf_file, defpaths, auxpaths);
1.1 kristaps 101:
1.20 kristaps 102: e = whatis ? termcomp(argc, argv, &terms) :
103: exprcomp(argc, argv, &terms);
104:
105: if (NULL == e) {
1.16 kristaps 106: fprintf(stderr, "%s: Bad expression\n", progname);
1.15 kristaps 107: goto out;
1.10 kristaps 108: }
1.13 kristaps 109:
1.15 kristaps 110: rc = apropos_search
1.27 ! kristaps 111: (paths.sz, paths.paths, &opts,
! 112: e, terms, NULL, &ressz, &res, list);
1.2 kristaps 113:
1.27 ! kristaps 114: if (0 == rc) {
! 115: fprintf(stderr, "%s: Bad database\n", progname);
! 116: goto out;
! 117: }
1.15 kristaps 118: out:
1.18 kristaps 119: manpath_free(&paths);
1.27 ! kristaps 120: resfree(res, ressz);
1.10 kristaps 121: exprfree(e);
1.15 kristaps 122: return(rc ? EXIT_SUCCESS : EXIT_FAILURE);
1.1 kristaps 123: }
124:
1.8 kristaps 125: /* ARGSUSED */
1.1 kristaps 126: static void
1.14 kristaps 127: list(struct res *res, size_t sz, void *arg)
1.1 kristaps 128: {
1.26 kristaps 129: size_t i;
1.1 kristaps 130:
1.14 kristaps 131: qsort(res, sz, sizeof(struct res), cmp);
1.1 kristaps 132:
1.27 ! kristaps 133: for (i = 0; i < sz; i++) {
! 134: if ( ! res[i].matched)
! 135: continue;
1.26 kristaps 136: printf("%s(%s%s%s) - %.70s\n",
137: res[i].title,
1.19 schwarze 138: res[i].cat,
1.1 kristaps 139: *res[i].arch ? "/" : "",
140: *res[i].arch ? res[i].arch : "",
141: res[i].desc);
1.27 ! kristaps 142: }
1.1 kristaps 143: }
144:
1.8 kristaps 145: static int
146: cmp(const void *p1, const void *p2)
147: {
148:
1.23 kristaps 149: return(strcasecmp(((const struct res *)p1)->title,
1.14 kristaps 150: ((const struct res *)p2)->title));
1.8 kristaps 151: }
152:
1.1 kristaps 153: static void
154: usage(void)
155: {
156:
1.15 kristaps 157: fprintf(stderr, "usage: %s "
1.24 schwarze 158: "[-C file] "
1.22 kristaps 159: "[-M manpath] "
160: "[-m manpath] "
1.15 kristaps 161: "[-S arch] "
162: "[-s section] "
1.24 schwarze 163: "expression ...\n",
1.19 schwarze 164: progname);
1.1 kristaps 165: }
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