diff options
Diffstat (limited to 'usr.bin/man/manconf.c')
| -rw-r--r-- | usr.bin/man/manconf.c | 272 |
1 files changed, 0 insertions, 272 deletions
diff --git a/usr.bin/man/manconf.c b/usr.bin/man/manconf.c deleted file mode 100644 index f12d031..0000000 --- a/usr.bin/man/manconf.c +++ /dev/null @@ -1,272 +0,0 @@ -/* $NetBSD: manconf.c,v 1.8 2014/02/17 02:53:48 uwe Exp $ */ - -/* - * Copyright (c) 1989, 1993, 1995 - * The Regents of the University of California. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -/* - * manconf.c: provides interface for reading man.conf files - * - * note that this code is shared across all programs that read man.conf. - * (currently: apropos, catman, makewhatis, man, and whatis...) - */ - -#if HAVE_NBTOOL_CONFIG_H -#include "nbtool_config.h" -#endif - -#include <sys/cdefs.h> -#ifndef lint -#if 0 -static char sccsid[] = "@(#)config.c 8.8 (Berkeley) 1/31/95"; -#else -__RCSID("$NetBSD: manconf.c,v 1.8 2014/02/17 02:53:48 uwe Exp $"); -#endif -#endif /* not lint */ - -#include <sys/types.h> -#include <sys/queue.h> - -#include <ctype.h> -#include <err.h> -#include <errno.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> - -#include "manconf.h" -#include "pathnames.h" - -TAILQ_HEAD(_head, _tag); -static struct _head head; /* 'head' -- top level data structure */ - -/* - * xstrdup: like strdup, but also returns length of string in lenp - */ -static char * -xstrdup(const char *str, size_t *lenp) -{ - size_t len; - char *copy; - - len = strlen(str) + 1; - copy = malloc(len); - if (!copy) - return NULL; - (void)memcpy(copy, str, len); - if (lenp) - *lenp = len - 1; /* subtract out the null */ - return copy; -} - -/* - * config -- - * - * Read the configuration file and build a doubly linked - * list off of "head" that looks like: - * - * tag1 <-> entry <-> entry <-> entry - * | - * tag2 <-> entry <-> entry <-> entry - * - * note: will err/errx out on error (fopen or malloc failure) - */ -void -config(const char *fname) -{ - TAG *tp; - FILE *cfp; - size_t len; - int lcnt; - char *p, *t, type; - - if (fname == NULL) - fname = _PATH_MANCONF; - if ((cfp = fopen(fname, "r")) == NULL) - err(EXIT_FAILURE, "%s", fname); - TAILQ_INIT(&head); - for (lcnt = 1; (p = fgetln(cfp, &len)) != NULL; ++lcnt) { - if (len == 1) /* Skip empty lines. */ - continue; - if (p[len - 1] != '\n') { /* Skip corrupted lines. */ - warnx("%s: line %d corrupted", fname, lcnt); - continue; - } - p[len - 1] = '\0'; /* Terminate the line. */ - - /* Skip leading space. */ - for (/*EMPTY*/; *p != '\0' && isspace((unsigned char)*p); ++p) - continue; - /* Skip empty/comment lines. */ - if (*p == '\0' || *p == '#') - continue; - /* Find first token. */ - for (t = p; *t && !isspace((unsigned char)*t); ++t) - continue; - if (*t == '\0') /* Need more than one token.*/ - continue; - *t = '\0'; - - tp = gettag(p, 1); - if (!tp) - errx(EXIT_FAILURE, "gettag: malloc failed"); - - /* - * Attach new records. Check to see if it is a - * section record or not. - */ - - if (*p == '_') { /* not a section record */ - /* - * Special cases: _build and _crunch take the - * rest of the line as a single entry. - */ - if (!strcmp(p, "_build") || !strcmp(p, "_crunch")) { - const char *u; - - /* - * The reason we're not just using - * strtok(3) for all of the parsing is - * so we don't get caught if a line - * has only a single token on it. - */ - while (*++t && isspace((unsigned char)*t)); -#ifndef HAVE_NBTOOL_CONFIG_H - /* pre-verify user-supplied command format */ - u = t; - while (*u && !isspace((unsigned char)*u)) - ++u; - while (*u && isspace((unsigned char)*u)) - ++u; - if (fmtcheck(u, "%s") != u) { - warnx("%s:%d: invalid %s command ignored", - fname, lcnt, p); - continue; - } -#endif /* !HAVE_NBTOOL_CONFIG_H */ - if (addentry(tp, t, 0) == -1) - errx(EXIT_FAILURE, - "addentry: malloc failed"); - } else { - for (++t; (p = strtok(t, " \t\n")) != NULL; - t = NULL) { - if (addentry(tp, p, 0) == -1) - errx(EXIT_FAILURE, - "addentry: malloc failed"); - } - } - - } else { /* section record */ - - /* - * section entries can either be all absolute - * paths or all relative paths, but not both. - */ - type = (char)((TAILQ_FIRST(&tp->entrylist) != NULL) ? - *(TAILQ_FIRST(&tp->entrylist)->s) : '\0'); - - for (++t; (p = strtok(t, " \t\n")) != NULL; t = NULL) { - - /* ensure an assigned type */ - if (type == 0) - type = *p; - - /* check for illegal mix */ - if (*p != type) { - warnx("section %s: %s: invalid entry, does not match previous types", - tp->s, p); - warnx("man.conf cannot mix absolute and relative paths in an entry"); - continue; - } - if (addentry(tp, p, 0) == -1) - errx(EXIT_FAILURE, - "addentry: malloc failed"); - } - } - } - (void)fclose(cfp); -} - -/* - * gettag -- - * if (!create) return tag for given name if it exists, or NULL otherwise - * - * if (create) return tag for given name if it exists, try and create - * a new tag if it does not exist. return NULL if unable to create new - * tag. - */ -TAG * -gettag(const char *name, int create) -{ - TAG *tp; - - TAILQ_FOREACH(tp, &head, q) - if (!strcmp(name, tp->s)) - return tp; - if (!create) - return NULL; - - /* try and add it in */ - tp = malloc(sizeof(*tp)); - if (tp) - tp->s = xstrdup(name, &tp->len); - if (!tp || !tp->s) { - if (tp) - free(tp); - return NULL; - } - TAILQ_INIT(&tp->entrylist); - TAILQ_INSERT_TAIL(&head, tp, q); - return tp; -} - -/* - * addentry -- - * add an entry to a list. - * returns -1 if malloc failed, otherwise 0. - */ -int -addentry(TAG *tp, const char *newent, int ishead) -{ - ENTRY *ep; - - ep = malloc(sizeof(*ep)); - if (ep) - ep->s = xstrdup(newent, &ep->len); - if (!ep || !ep->s) { - if (ep) - free(ep); - return -1; - } - if (ishead) - TAILQ_INSERT_HEAD(&tp->entrylist, ep, q); - else - TAILQ_INSERT_TAIL(&tp->entrylist, ep, q); - - return 0; -} |