-/* $Id: manpath.c,v 1.5 2011/12/12 02:00:49 schwarze Exp $ */
+/* $Id: manpath.c,v 1.35 2017/07/01 09:47:30 schwarze Exp $ */
/*
- * Copyright (c) 2011 Ingo Schwarze <schwarze@openbsd.org>
+ * Copyright (c) 2011, 2014, 2015, 2017 Ingo Schwarze <schwarze@openbsd.org>
* Copyright (c) 2011 Kristaps Dzonsons <kristaps@bsd.lv>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
-#ifdef HAVE_CONFIG_H
#include "config.h"
-#endif
#include <sys/types.h>
-#include <assert.h>
+#include <sys/stat.h>
+
#include <ctype.h>
+#if HAVE_ERR
+#include <err.h>
+#endif
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
-#include "mandoc.h"
-#include "manpath.h"
+#include "mandoc_aux.h"
+#include "manconf.h"
-#define MAN_CONF_FILE "/etc/man.conf"
-#define MAN_CONF_KEY "_whatdb"
+static void manconf_file(struct manconf *, const char *);
+static void manpath_add(struct manpaths *, const char *, int);
+static void manpath_parseline(struct manpaths *, char *, int);
-static void manpath_add(struct manpaths *, const char *);
void
-manpath_parse(struct manpaths *dirs, const char *file,
+manconf_parse(struct manconf *conf, const char *file,
char *defp, char *auxp)
{
+ char *insert;
- manpath_parseline(dirs, auxp);
+ /* Always prepend -m. */
+ manpath_parseline(&conf->manpath, auxp, 1);
- if (NULL == defp)
- defp = getenv("MANPATH");
+ /* If -M is given, it overrides everything else. */
+ if (NULL != defp) {
+ manpath_parseline(&conf->manpath, defp, 1);
+ return;
+ }
+
+ /* MANPATH and man.conf(5) cooperate. */
+ defp = getenv("MANPATH");
+ if (NULL == file)
+ file = MAN_CONF_FILE;
+
+ /* No MANPATH; use man.conf(5) only. */
+ if (NULL == defp || '\0' == defp[0]) {
+ manconf_file(conf, file);
+ return;
+ }
- if (NULL == defp)
- manpath_parseconf(dirs, file);
- else
- manpath_parseline(dirs, defp);
+ /* Prepend man.conf(5) to MANPATH. */
+ if (':' == defp[0]) {
+ manconf_file(conf, file);
+ manpath_parseline(&conf->manpath, defp, 0);
+ return;
+ }
+
+ /* Append man.conf(5) to MANPATH. */
+ if (':' == defp[strlen(defp) - 1]) {
+ manpath_parseline(&conf->manpath, defp, 0);
+ manconf_file(conf, file);
+ return;
+ }
+
+ /* Insert man.conf(5) into MANPATH. */
+ insert = strstr(defp, "::");
+ if (NULL != insert) {
+ *insert++ = '\0';
+ manpath_parseline(&conf->manpath, defp, 0);
+ manconf_file(conf, file);
+ manpath_parseline(&conf->manpath, insert + 1, 0);
+ return;
+ }
+
+ /* MANPATH overrides man.conf(5) completely. */
+ manpath_parseline(&conf->manpath, defp, 0);
+}
+
+void
+manpath_base(struct manpaths *dirs)
+{
+ char path_base[] = MANPATH_BASE;
+ manpath_parseline(dirs, path_base, 0);
}
/*
* Parse a FULL pathname from a colon-separated list of arrays.
*/
-void
-manpath_parseline(struct manpaths *dirs, char *path)
+static void
+manpath_parseline(struct manpaths *dirs, char *path, int complain)
{
char *dir;
return;
for (dir = strtok(path, ":"); dir; dir = strtok(NULL, ":"))
- manpath_add(dirs, dir);
+ manpath_add(dirs, dir, complain);
}
/*
* Grow the array one-by-one for simplicity's sake.
*/
static void
-manpath_add(struct manpaths *dirs, const char *dir)
+manpath_add(struct manpaths *dirs, const char *dir, int complain)
{
char buf[PATH_MAX];
+ struct stat sb;
char *cp;
- int i;
+ size_t i;
- if (NULL == (cp = realpath(dir, buf)))
+ if (NULL == (cp = realpath(dir, buf))) {
+ if (complain)
+ warn("manpath: %s", dir);
return;
+ }
for (i = 0; i < dirs->sz; i++)
if (0 == strcmp(dirs->paths[i], dir))
return;
- dirs->paths = mandoc_realloc
- (dirs->paths,
- ((size_t)dirs->sz + 1) * sizeof(char *));
+ if (stat(cp, &sb) == -1) {
+ if (complain)
+ warn("manpath: %s", dir);
+ return;
+ }
+
+ dirs->paths = mandoc_reallocarray(dirs->paths,
+ dirs->sz + 1, sizeof(char *));
dirs->paths[dirs->sz++] = mandoc_strdup(cp);
}
void
-manpath_parseconf(struct manpaths *dirs, const char *file)
+manconf_free(struct manconf *conf)
{
-#ifdef USE_MANPATH
- FILE *stream;
- char *buf;
- size_t sz, bsz;
-
- /* Open manpath(1). Ignore errors. */
-
- stream = popen("manpath", "r");
- if (NULL == stream)
- return;
-
- buf = NULL;
- bsz = 0;
+ size_t i;
- /* Read in as much output as we can. */
+ for (i = 0; i < conf->manpath.sz; i++)
+ free(conf->manpath.paths[i]);
- do {
- buf = mandoc_realloc(buf, bsz + 1024);
- sz = fread(buf + (int)bsz, 1, 1024, stream);
- bsz += sz;
- } while (sz > 0);
-
- if ( ! ferror(stream) && feof(stream) &&
- bsz && '\n' == buf[bsz - 1]) {
- buf[bsz - 1] = '\0';
- manpath_parseline(dirs, buf);
- }
-
- free(buf);
- pclose(stream);
-#else
- manpath_manconf(dirs, file ? file : MAN_CONF_FILE);
-#endif
+ free(conf->manpath.paths);
+ free(conf->output.includes);
+ free(conf->output.man);
+ free(conf->output.paper);
+ free(conf->output.style);
}
-void
-manpath_free(struct manpaths *p)
+static void
+manconf_file(struct manconf *conf, const char *file)
{
- int i;
+ const char *const toks[] = { "manpath", "output", "_whatdb" };
+ char manpath_default[] = MANPATH_DEFAULT;
+
+ FILE *stream;
+ char *line, *cp, *ep;
+ size_t linesz, tok, toklen;
+ ssize_t linelen;
+
+ if ((stream = fopen(file, "r")) == NULL)
+ goto out;
+
+ line = NULL;
+ linesz = 0;
+
+ while ((linelen = getline(&line, &linesz, stream)) != -1) {
+ cp = line;
+ ep = cp + linelen - 1;
+ while (ep > cp && isspace((unsigned char)*ep))
+ *ep-- = '\0';
+ while (isspace((unsigned char)*cp))
+ cp++;
+ if (cp == ep || *cp == '#')
+ continue;
- for (i = 0; i < p->sz; i++)
- free(p->paths[i]);
+ for (tok = 0; tok < sizeof(toks)/sizeof(toks[0]); tok++) {
+ toklen = strlen(toks[tok]);
+ if (cp + toklen < ep &&
+ isspace((unsigned char)cp[toklen]) &&
+ strncmp(cp, toks[tok], toklen) == 0) {
+ cp += toklen;
+ while (isspace((unsigned char)*cp))
+ cp++;
+ break;
+ }
+ }
+
+ switch (tok) {
+ case 2: /* _whatdb */
+ while (ep > cp && ep[-1] != '/')
+ ep--;
+ if (ep == cp)
+ continue;
+ *ep = '\0';
+ /* FALLTHROUGH */
+ case 0: /* manpath */
+ manpath_add(&conf->manpath, cp, 0);
+ *manpath_default = '\0';
+ break;
+ case 1: /* output */
+ manconf_output(&conf->output, cp, 1);
+ break;
+ default:
+ break;
+ }
+ }
+ free(line);
+ fclose(stream);
- free(p->paths);
+out:
+ if (*manpath_default != '\0')
+ manpath_parseline(&conf->manpath, manpath_default, 0);
}
-void
-manpath_manconf(struct manpaths *dirs, const char *file)
+int
+manconf_output(struct manoutput *conf, const char *cp, int fromfile)
{
- FILE *stream;
- char *p, *q;
- size_t len, keysz;
-
- keysz = strlen(MAN_CONF_KEY);
- assert(keysz > 0);
+ const char *const toks[] = {
+ "includes", "man", "paper", "style",
+ "indent", "width", "fragment", "mdoc", "noval"
+ };
+
+ const char *errstr;
+ char *oldval;
+ size_t len, tok;
+
+ for (tok = 0; tok < sizeof(toks)/sizeof(toks[0]); tok++) {
+ len = strlen(toks[tok]);
+ if ( ! strncmp(cp, toks[tok], len) &&
+ strchr(" = ", cp[len]) != NULL) {
+ cp += len;
+ if (*cp == '=')
+ cp++;
+ while (isspace((unsigned char)*cp))
+ cp++;
+ break;
+ }
+ }
- if (NULL == (stream = fopen(file, "r")))
- return;
+ if (tok < 6 && *cp == '\0') {
+ warnx("-O %s=?: Missing argument value", toks[tok]);
+ return -1;
+ }
+ if ((tok == 6 || tok == 7) && *cp != '\0') {
+ warnx("-O %s: Does not take a value: %s", toks[tok], cp);
+ return -1;
+ }
- while (NULL != (p = fgetln(stream, &len))) {
- if (0 == len || '\n' != p[--len])
+ switch (tok) {
+ case 0:
+ if (conf->includes != NULL) {
+ oldval = mandoc_strdup(conf->includes);
break;
- p[len] = '\0';
- while (isspace((unsigned char)*p))
- p++;
- if (strncmp(MAN_CONF_KEY, p, keysz))
- continue;
- p += keysz;
- while (isspace(*p))
- p++;
- if ('\0' == *p)
- continue;
- if (NULL == (q = strrchr(p, '/')))
- continue;
- *q = '\0';
- manpath_add(dirs, p);
+ }
+ conf->includes = mandoc_strdup(cp);
+ return 0;
+ case 1:
+ if (conf->man != NULL) {
+ oldval = mandoc_strdup(conf->man);
+ break;
+ }
+ conf->man = mandoc_strdup(cp);
+ return 0;
+ case 2:
+ if (conf->paper != NULL) {
+ oldval = mandoc_strdup(conf->paper);
+ break;
+ }
+ conf->paper = mandoc_strdup(cp);
+ return 0;
+ case 3:
+ if (conf->style != NULL) {
+ oldval = mandoc_strdup(conf->style);
+ break;
+ }
+ conf->style = mandoc_strdup(cp);
+ return 0;
+ case 4:
+ if (conf->indent) {
+ mandoc_asprintf(&oldval, "%zu", conf->indent);
+ break;
+ }
+ conf->indent = strtonum(cp, 0, 1000, &errstr);
+ if (errstr == NULL)
+ return 0;
+ warnx("-O indent=%s is %s", cp, errstr);
+ return -1;
+ case 5:
+ if (conf->width) {
+ mandoc_asprintf(&oldval, "%zu", conf->width);
+ break;
+ }
+ conf->width = strtonum(cp, 1, 1000, &errstr);
+ if (errstr == NULL)
+ return 0;
+ warnx("-O width=%s is %s", cp, errstr);
+ return -1;
+ case 6:
+ conf->fragment = 1;
+ return 0;
+ case 7:
+ conf->mdoc = 1;
+ return 0;
+ case 8:
+ conf->noval = 1;
+ return 0;
+ default:
+ if (fromfile)
+ warnx("-O %s: Bad argument", cp);
+ return -1;
}
-
- fclose(stream);
+ if (fromfile == 0)
+ warnx("-O %s=%s: Option already set to %s",
+ toks[tok], cp, oldval);
+ free(oldval);
+ return -1;
}
git.ckatri.com / mandoc.git / blobdiff