1 /* $Id: manpath.c,v 1.33 2017/02/10 15:45:28 schwarze Exp $ */
3 * Copyright (c) 2011, 2014, 2015, 2017 Ingo Schwarze <schwarze@openbsd.org>
4 * Copyright (c) 2011 Kristaps Dzonsons <kristaps@bsd.lv>
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.
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS 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.
20 #include <sys/types.h>
32 #include "mandoc_aux.h"
35 static void manconf_file(struct manconf *, const char *);
36 static void manpath_add(struct manpaths *, const char *, int);
37 static void manpath_parseline(struct manpaths *, char *, int);
41 manconf_parse(struct manconf *conf, const char *file,
42 char *defp, char *auxp)
46 /* Always prepend -m. */
47 manpath_parseline(&conf->manpath, auxp, 1);
49 /* If -M is given, it overrides everything else. */
51 manpath_parseline(&conf->manpath, defp, 1);
55 /* MANPATH and man.conf(5) cooperate. */
56 defp = getenv("MANPATH");
60 /* No MANPATH; use man.conf(5) only. */
61 if (NULL == defp || '\0' == defp[0]) {
62 manconf_file(conf, file);
66 /* Prepend man.conf(5) to MANPATH. */
68 manconf_file(conf, file);
69 manpath_parseline(&conf->manpath, defp, 0);
73 /* Append man.conf(5) to MANPATH. */
74 if (':' == defp[strlen(defp) - 1]) {
75 manpath_parseline(&conf->manpath, defp, 0);
76 manconf_file(conf, file);
80 /* Insert man.conf(5) into MANPATH. */
81 insert = strstr(defp, "::");
84 manpath_parseline(&conf->manpath, defp, 0);
85 manconf_file(conf, file);
86 manpath_parseline(&conf->manpath, insert + 1, 0);
90 /* MANPATH overrides man.conf(5) completely. */
91 manpath_parseline(&conf->manpath, defp, 0);
95 * Parse a FULL pathname from a colon-separated list of arrays.
98 manpath_parseline(struct manpaths *dirs, char *path, int complain)
105 for (dir = strtok(path, ":"); dir; dir = strtok(NULL, ":"))
106 manpath_add(dirs, dir, complain);
110 * Add a directory to the array, ignoring bad directories.
111 * Grow the array one-by-one for simplicity's sake.
114 manpath_add(struct manpaths *dirs, const char *dir, int complain)
121 if (NULL == (cp = realpath(dir, buf))) {
123 warn("manpath: %s", dir);
127 for (i = 0; i < dirs->sz; i++)
128 if (0 == strcmp(dirs->paths[i], dir))
131 if (stat(cp, &sb) == -1) {
133 warn("manpath: %s", dir);
137 dirs->paths = mandoc_reallocarray(dirs->paths,
138 dirs->sz + 1, sizeof(char *));
140 dirs->paths[dirs->sz++] = mandoc_strdup(cp);
144 manconf_free(struct manconf *conf)
148 for (i = 0; i < conf->manpath.sz; i++)
149 free(conf->manpath.paths[i]);
151 free(conf->manpath.paths);
152 free(conf->output.includes);
153 free(conf->output.man);
154 free(conf->output.paper);
155 free(conf->output.style);
159 manconf_file(struct manconf *conf, const char *file)
161 const char *const toks[] = { "manpath", "output", "_whatdb" };
162 char manpath_default[] = MANPATH_DEFAULT;
165 char *line, *cp, *ep;
166 size_t linesz, tok, toklen;
169 if ((stream = fopen(file, "r")) == NULL)
175 while ((linelen = getline(&line, &linesz, stream)) != -1) {
177 ep = cp + linelen - 1;
178 while (ep > cp && isspace((unsigned char)*ep))
180 while (isspace((unsigned char)*cp))
182 if (cp == ep || *cp == '#')
185 for (tok = 0; tok < sizeof(toks)/sizeof(toks[0]); tok++) {
186 toklen = strlen(toks[tok]);
187 if (cp + toklen < ep &&
188 isspace((unsigned char)cp[toklen]) &&
189 strncmp(cp, toks[tok], toklen) == 0) {
191 while (isspace((unsigned char)*cp))
198 case 2: /* _whatdb */
199 while (ep > cp && ep[-1] != '/')
205 case 0: /* manpath */
206 manpath_add(&conf->manpath, cp, 0);
207 *manpath_default = '\0';
210 manconf_output(&conf->output, cp, 1);
220 if (*manpath_default != '\0')
221 manpath_parseline(&conf->manpath, manpath_default, 0);
225 manconf_output(struct manoutput *conf, const char *cp, int fromfile)
227 const char *const toks[] = {
228 "includes", "man", "paper", "style",
229 "indent", "width", "fragment", "mdoc", "noval"
236 for (tok = 0; tok < sizeof(toks)/sizeof(toks[0]); tok++) {
237 len = strlen(toks[tok]);
238 if ( ! strncmp(cp, toks[tok], len) &&
239 strchr(" = ", cp[len]) != NULL) {
243 while (isspace((unsigned char)*cp))
249 if (tok < 6 && *cp == '\0') {
250 warnx("-O %s=?: Missing argument value", toks[tok]);
253 if ((tok == 6 || tok == 7) && *cp != '\0') {
254 warnx("-O %s: Does not take a value: %s", toks[tok], cp);
260 if (conf->includes != NULL) {
261 oldval = mandoc_strdup(conf->includes);
264 conf->includes = mandoc_strdup(cp);
267 if (conf->man != NULL) {
268 oldval = mandoc_strdup(conf->man);
271 conf->man = mandoc_strdup(cp);
274 if (conf->paper != NULL) {
275 oldval = mandoc_strdup(conf->paper);
278 conf->paper = mandoc_strdup(cp);
281 if (conf->style != NULL) {
282 oldval = mandoc_strdup(conf->style);
285 conf->style = mandoc_strdup(cp);
289 mandoc_asprintf(&oldval, "%zu", conf->indent);
292 conf->indent = strtonum(cp, 0, 1000, &errstr);
295 warnx("-O indent=%s is %s", cp, errstr);
299 mandoc_asprintf(&oldval, "%zu", conf->width);
302 conf->width = strtonum(cp, 58, 1000, &errstr);
305 warnx("-O width=%s is %s", cp, errstr);
318 warnx("-O %s: Bad argument", cp);
322 warnx("-O %s=%s: Option already set to %s",
323 toks[tok], cp, oldval);