95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore/*
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * Copyright (c) 2002 John Rochester
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * All rights reserved.
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore *
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * Redistribution and use in source and binary forms, with or without
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * modification, are permitted provided that the following conditions
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * are met:
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * 1. Redistributions of source code must retain the above copyright
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * notice, this list of conditions and the following disclaimer,
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * in this position and unchanged.
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * 2. Redistributions in binary form must reproduce the above copyright
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * notice, this list of conditions and the following disclaimer in the
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * documentation and/or other materials provided with the distribution.
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * 3. The name of the author may not be used to endorse or promote products
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * derived from this software without specific prior written permission
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore *
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore */
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore/*
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * Copyright 2012 Nexenta Systems, Inc. All rights reserved.
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * Copyright 2014 Garrett D'Amore <garrett@damore.org>
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore */
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore#include <sys/types.h>
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore#include <sys/stat.h>
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore#include <sys/param.h>
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore#include <ctype.h>
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore#include <dirent.h>
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore#include <err.h>
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore#include <signal.h>
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore#include <stddef.h>
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore#include <stdio.h>
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore#include <stdlib.h>
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore#include <string.h>
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore#include <unistd.h>
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore#include "man.h"
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore#include "stringlist.h"
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore/* Information collected about each man page in a section */
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amorestruct page_info {
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore char *filename;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore char *name;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore char *suffix;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore ino_t inode;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore};
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore/* An expanding string */
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amorestruct sbuf {
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore char *content; /* the start of the buffer */
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore char *end; /* just past the end of the content */
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore char *last; /* the last allocated character */
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore};
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore/* Remove the last amount characters from the sbuf */
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore#define sbuf_retract(sbuf, amount) ((sbuf)->end -= (amount))
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore/* Return the length of the sbuf content */
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore#define sbuf_length(sbuf) ((sbuf)->end - (sbuf)->content)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amoretypedef char *edited_copy(char *from, char *to, int length);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore/*
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * While the whatis line is being formed, it is stored in whatis_proto.
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * When finished, it is reformatted into whatis_final and then appended
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * to whatis_lines.
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore */
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amorestatic struct sbuf *whatis_proto;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amorestatic struct sbuf *whatis_final;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amorestatic stringlist *whatis_lines; /* collected output lines */
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amorestatic char tempfile[MAXPATHLEN]; /* path of temporary file, if any */
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore#define MDOC_COMMANDS "ArDvErEvFlLiNmPa"
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore/* Free a struct page_info and its content */
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amorestatic void
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amorefree_page_info(struct page_info *info)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore{
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore free(info->filename);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore free(info->name);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore free(info->suffix);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore free(info);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore}
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore/*
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * Allocate and fill in a new struct page_info given the
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * name of the man section directory and the dirent of the file.
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * If the file is not a man page, return NULL.
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore */
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amorestatic struct page_info *
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amorenew_page_info(char *dir, struct dirent *dirent)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore{
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore struct page_info *info;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore int basename_length;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore char *suffix;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore struct stat st;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore if ((info = malloc(sizeof (struct page_info))) == NULL)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore err(1, "malloc");
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore basename_length = strlen(dirent->d_name);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore suffix = &dirent->d_name[basename_length];
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore if (asprintf(&info->filename, "%s/%s", dir, dirent->d_name) == -1)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore err(1, "asprintf");
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore for (;;) {
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore if (--suffix == dirent->d_name || !isalnum(*suffix)) {
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore if (*suffix == '.')
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore break;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore free(info->filename);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore free(info);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore return (NULL);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore }
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore }
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore *suffix++ = '\0';
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore info->name = strdup(dirent->d_name);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore info->suffix = strdup(suffix);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore if (stat(info->filename, &st) < 0) {
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore warn("%s", info->filename);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore free_page_info(info);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore return (NULL);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore }
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore if (!S_ISREG(st.st_mode)) {
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore free_page_info(info);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore return (NULL);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore }
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore info->inode = st.st_ino;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore return (info);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore}
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore/*
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * Reset sbuf length to 0.
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore */
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amorestatic void
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amoresbuf_clear(struct sbuf *sbuf)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore{
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore sbuf->end = sbuf->content;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore}
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore/*
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * Allocate a new sbuf.
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore */
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amorestatic struct sbuf *
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amorenew_sbuf(void)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore{
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore struct sbuf *sbuf;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore if ((sbuf = malloc(sizeof (struct sbuf))) == NULL)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore err(1, "malloc");
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore if ((sbuf->content = (char *)malloc(LINE_ALLOC)) == NULL)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore err(1, "malloc");
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore sbuf->last = sbuf->content + LINE_ALLOC - 1;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore sbuf_clear(sbuf);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore return (sbuf);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore}
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore/*
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * Ensure that there is enough room in the sbuf
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * for nchars more characters.
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore */
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amorestatic void
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amoresbuf_need(struct sbuf *sbuf, int nchars)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore{
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore char *new_content;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore size_t size, cntsize;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore size_t grow = 128;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore while (grow < nchars) {
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore grow += 128; /* we grow in chunks of 128 bytes */
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore }
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore /* Grow if the buffer isn't big enough */
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore if (sbuf->end + nchars > sbuf->last) {
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore size = sbuf->last + 1 - sbuf->content;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore size += grow;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore cntsize = sbuf->end - sbuf->content;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore if ((new_content = realloc(sbuf->content, size)) == NULL) {
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore perror("realloc");
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore if (tempfile[0] != '\0')
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore (void) unlink(tempfile);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore exit(1);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore }
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore sbuf->content = new_content;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore sbuf->end = new_content + cntsize;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore sbuf->last = new_content + size - 1;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore }
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore}
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore/*
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * Append a string of a given length to the sbuf.
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore */
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amorestatic void
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amoresbuf_append(struct sbuf *sbuf, const char *text, int length)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore{
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore if (length > 0) {
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore sbuf_need(sbuf, length);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore (void) memcpy(sbuf->end, text, length);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore sbuf->end += length;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore }
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore}
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore/*
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * Append a null-terminated string to the sbuf.
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore */
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amorestatic void
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amoresbuf_append_str(struct sbuf *sbuf, char *text)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore{
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore sbuf_append(sbuf, text, strlen(text));
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore}
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore/*
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * Append an edited null-terminated string to the sbuf.
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore */
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amorestatic void
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amoresbuf_append_edited(struct sbuf *sbuf, char *text, edited_copy copy)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore{
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore int length;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore if ((length = strlen(text)) > 0) {
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore sbuf_need(sbuf, length);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore sbuf->end = copy(text, sbuf->end, length);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore }
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore}
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore/*
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * Strip any of a set of chars from the end of the sbuf.
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore */
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amorestatic void
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amoresbuf_strip(struct sbuf *sbuf, const char *set)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore{
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore while (sbuf->end > sbuf->content && strchr(set, sbuf->end[-1]) != NULL)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore sbuf->end--;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore}
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore/*
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * Return the null-terminated string built by the sbuf.
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore */
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amorestatic char *
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amoresbuf_content(struct sbuf *sbuf)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore{
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore *sbuf->end = '\0';
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore return (sbuf->content);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore}
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore/*
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * Return true if no man page exists in the directory with
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * any of the names in the stringlist.
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore */
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amorestatic int
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amoreno_page_exists(char *dir, stringlist *names, char *suffix)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore{
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore char path[MAXPATHLEN];
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore char *suffixes[] = { "", ".gz", ".bz2", NULL };
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore size_t i;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore int j;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore for (i = 0; i < names->sl_cur; i++) {
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore for (j = 0; suffixes[j] != NULL; j++) {
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore (void) snprintf(path, MAXPATHLEN, "%s/%s.%s%s",
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore dir, names->sl_str[i], suffix, suffixes[j]);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore if (access(path, F_OK) == 0) {
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore return (0);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore }
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore }
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore }
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore return (1);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore}
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore/* ARGSUSED sig */
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amorestatic void
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amoretrap_signal(int sig)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore{
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore if (tempfile[0] != '\0')
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore (void) unlink(tempfile);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore exit(1);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore}
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore/*
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * Attempt to open an output file.
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * Return NULL if unsuccessful.
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore */
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amorestatic FILE *
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amoreopen_output(char *name)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore{
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore FILE *output;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore whatis_lines = sl_init();
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore (void) snprintf(tempfile, MAXPATHLEN, "%s.tmp", name);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore name = tempfile;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore if ((output = fopen(name, "w")) == NULL) {
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore warn("%s", name);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore return (NULL);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore }
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore return (output);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore}
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amorestatic int
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amorelinesort(const void *a, const void *b)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore{
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore return (strcmp((*(const char * const *)a), (*(const char * const *)b)));
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore}
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore/*
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * Write the unique sorted lines to the output file.
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore */
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amorestatic void
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amorefinish_output(FILE *output, char *name)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore{
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore size_t i;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore char *prev = NULL;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore qsort(whatis_lines->sl_str, whatis_lines->sl_cur, sizeof (char *),
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore linesort);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore for (i = 0; i < whatis_lines->sl_cur; i++) {
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore char *line = whatis_lines->sl_str[i];
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore if (i > 0 && strcmp(line, prev) == 0)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore continue;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore prev = line;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore (void) fputs(line, output);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore (void) putc('\n', output);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore }
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore (void) fclose(output);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore sl_free(whatis_lines, 1);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore (void) rename(tempfile, name);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore (void) unlink(tempfile);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore}
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amorestatic FILE *
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amoreopen_whatis(char *mandir)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore{
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore char filename[MAXPATHLEN];
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore (void) snprintf(filename, MAXPATHLEN, "%s/%s", mandir, WHATIS);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore return (open_output(filename));
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore}
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amorestatic void
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amorefinish_whatis(FILE *output, char *mandir)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore{
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore char filename[MAXPATHLEN];
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore (void) snprintf(filename, MAXPATHLEN, "%s/%s", mandir, WHATIS);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore finish_output(output, filename);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore}
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore/*
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * Remove trailing spaces from a string, returning a pointer to just
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * beyond the new last character.
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore */
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amorestatic char *
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amoretrim_rhs(char *str)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore{
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore char *rhs;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore rhs = &str[strlen(str)];
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore while (--rhs > str && isspace(*rhs))
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore ;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore *++rhs = '\0';
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore return (rhs);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore}
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore/*
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * Return a pointer to the next non-space character in the string.
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore */
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amorestatic char *
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amoreskip_spaces(char *s)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore{
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore while (*s != '\0' && isspace(*s))
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore s++;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore return (s);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore}
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore/*
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * Return whether the line is of one of the forms:
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * .Sh NAME
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * .Sh "NAME"
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * etc.
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * assuming that section_start is ".Sh".
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore */
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amorestatic int
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amorename_section_line(char *line, const char *section_start)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore{
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore char *rhs;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore if (strncmp(line, section_start, 3) != 0)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore return (0);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore line = skip_spaces(line + 3);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore rhs = trim_rhs(line);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore if (*line == '"') {
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore line++;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore if (*--rhs == '"')
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore *rhs = '\0';
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore }
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore if (strcmp(line, "NAME") == 0)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore return (1);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore return (0);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore}
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore/*
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * Copy characters while removing the most common nroff/troff markup:
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * \(em, \(mi, \s[+-N], \&
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * \fF, \f(fo, \f[font]
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * \*s, \*(st, \*[stringvar]
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore */
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amorestatic char *
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amorede_nroff_copy(char *from, char *to, int fromlen)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore{
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore char *from_end = &from[fromlen];
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore while (from < from_end) {
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore switch (*from) {
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore case '\\':
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore switch (*++from) {
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore case '(':
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore if (strncmp(&from[1], "em", 2) == 0 ||
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore strncmp(&from[1], "mi", 2) == 0) {
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore from += 3;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore continue;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore }
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore break;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore case 's':
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore if (*++from == '-')
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore from++;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore while (isdigit(*from))
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore from++;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore continue;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore case 'f':
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore case '*':
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore if (*++from == '(') {
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore from += 3;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore } else if (*from == '[') {
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore while (*++from != ']' &&
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore from < from_end)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore ;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore from++;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore } else {
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore from++;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore }
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore continue;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore case '&':
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore from++;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore continue;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore }
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore break;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore }
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore *to++ = *from++;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore }
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore return (to);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore}
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore/*
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * Append a string with the nroff formatting removed.
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore */
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amorestatic void
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amoreadd_nroff(char *text)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore{
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore sbuf_append_edited(whatis_proto, text, de_nroff_copy);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore}
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore/*
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * Appends "name(suffix), " to whatis_final
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore */
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amorestatic void
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amoreadd_whatis_name(char *name, char *suffix)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore{
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore if (*name != '\0') {
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore sbuf_append_str(whatis_final, name);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore sbuf_append(whatis_final, "(", 1);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore sbuf_append_str(whatis_final, suffix);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore sbuf_append(whatis_final, "), ", 3);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore }
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore}
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore/*
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * Processes an old-style man(7) line. This ignores commands with only
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * a single number argument.
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore */
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amorestatic void
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amoreprocess_man_line(char *line)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore{
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore char *p;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore if (*line == '.') {
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore while (isalpha(*++line))
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore ;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore p = line = skip_spaces(line);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore while (*p != '\0') {
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore if (!isdigit(*p))
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore break;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore p++;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore }
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore if (*p == '\0')
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore return;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore } else
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore line = skip_spaces(line);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore if (*line != '\0') {
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore add_nroff(line);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore sbuf_append(whatis_proto, " ", 1);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore }
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore}
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore/*
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * Processes a new-style mdoc(7) line.
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore */
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amorestatic void
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amoreprocess_mdoc_line(char *line)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore{
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore int xref;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore int arg = 0;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore char *line_end = &line[strlen(line)];
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore int orig_length = sbuf_length(whatis_proto);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore char *next;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore if (*line == '\0')
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore return;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore if (line[0] != '.' || !isupper(line[1]) || !islower(line[2])) {
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore add_nroff(skip_spaces(line));
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore sbuf_append(whatis_proto, " ", 1);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore return;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore }
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore xref = strncmp(line, ".Xr", 3) == 0;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore line += 3;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore while ((line = skip_spaces(line)) < line_end) {
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore if (*line == '"') {
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore next = ++line;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore for (;;) {
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore next = strchr(next, '"');
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore if (next == NULL)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore break;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore (void) memmove(next, next + 1, strlen(next));
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore line_end--;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore if (*next != '"')
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore break;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore next++;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore }
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore } else {
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore next = strpbrk(line, " \t");
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore }
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore if (next != NULL)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore *next++ = '\0';
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore else
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore next = line_end;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore if (isupper(*line) && islower(line[1]) && line[2] == '\0') {
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore if (strcmp(line, "Ns") == 0) {
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore arg = 0;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore line = next;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore continue;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore }
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore if (strstr(line, MDOC_COMMANDS) != NULL) {
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore line = next;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore continue;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore }
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore }
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore if (arg > 0 && strchr(",.:;?!)]", *line) == 0) {
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore if (xref) {
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore sbuf_append(whatis_proto, "(", 1);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore add_nroff(line);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore sbuf_append(whatis_proto, ")", 1);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore xref = 0;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore } else {
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore sbuf_append(whatis_proto, " ", 1);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore }
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore }
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore add_nroff(line);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore arg++;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore line = next;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore }
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore if (sbuf_length(whatis_proto) > orig_length)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore sbuf_append(whatis_proto, " ", 1);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore}
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore/*
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * Collect a list of comma-separated names from the text.
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore */
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amorestatic void
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amorecollect_names(stringlist *names, char *text)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore{
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore char *arg;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore for (;;) {
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore arg = text;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore text = strchr(text, ',');
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore if (text != NULL)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore *text++ = '\0';
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore (void) sl_add(names, arg);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore if (text == NULL)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore return;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore if (*text == ' ')
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore text++;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore }
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore}
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amoreenum { STATE_UNKNOWN, STATE_MANSTYLE, STATE_MDOCNAME, STATE_MDOCDESC };
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore/*
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * Process a man page source into a single whatis line and add it
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * to whatis_lines.
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore */
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amorestatic void
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amoreprocess_page(struct page_info *page, char *section_dir)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore{
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore FILE *fp;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore stringlist *names;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore char *descr;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore int state = STATE_UNKNOWN;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore size_t i;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore char *line = NULL;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore size_t linecap = 0;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore sbuf_clear(whatis_proto);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore if ((fp = fopen(page->filename, "r")) == NULL) {
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore warn("%s", page->filename);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore return;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore }
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore while (getline(&line, &linecap, fp) > 0) {
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore /* Skip comments */
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore if (strncmp(line, ".\\\"", 3) == 0)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore continue;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore switch (state) {
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore /* Haven't reached the NAME section yet */
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore case STATE_UNKNOWN:
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore if (name_section_line(line, ".SH"))
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore state = STATE_MANSTYLE;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore else if (name_section_line(line, ".Sh"))
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore state = STATE_MDOCNAME;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore continue;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore /* Inside an old-style .SH NAME section */
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore case STATE_MANSTYLE:
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore if (strncmp(line, ".SH", 3) == 0 ||
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore strncmp(line, ".SS", 3) == 0)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore break;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore (void) trim_rhs(line);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore if (strcmp(line, ".") == 0)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore continue;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore if (strncmp(line, ".IX", 3) == 0) {
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore line += 3;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore line = skip_spaces(line);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore }
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore process_man_line(line);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore continue;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore /* Inside a new-style .Sh NAME section (the .Nm part) */
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore case STATE_MDOCNAME:
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore (void) trim_rhs(line);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore if (strncmp(line, ".Nm", 3) == 0) {
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore process_mdoc_line(line);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore continue;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore } else {
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore if (strcmp(line, ".") == 0)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore continue;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore sbuf_append(whatis_proto, "- ", 2);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore state = STATE_MDOCDESC;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore }
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore /* FALLTHROUGH */
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore /* Inside a new-style .Sh NAME section (after the .Nm-s) */
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore case STATE_MDOCDESC:
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore if (strncmp(line, ".Sh", 3) == 0)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore break;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore (void) trim_rhs(line);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore if (strcmp(line, ".") == 0)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore continue;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore process_mdoc_line(line);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore continue;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore }
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore break;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore }
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore (void) fclose(fp);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore sbuf_strip(whatis_proto, " \t.-");
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore line = sbuf_content(whatis_proto);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore /*
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * Line now contains the appropriate data, but without the
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * proper indentation or the section appended to each name.
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore */
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore descr = strstr(line, " - ");
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore if (descr == NULL) {
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore descr = strchr(line, ' ');
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore if (descr == NULL)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore return;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore *descr++ = '\0';
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore } else {
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore *descr = '\0';
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore descr += 3;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore }
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore names = sl_init();
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore collect_names(names, line);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore sbuf_clear(whatis_final);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore if (!sl_find(names, page->name) &&
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore no_page_exists(section_dir, names, page->suffix)) {
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore /*
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * Add the page name since that's the only
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * thing that man(1) will find.
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore */
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore add_whatis_name(page->name, page->suffix);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore }
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore for (i = 0; i < names->sl_cur; i++)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore add_whatis_name(names->sl_str[i], page->suffix);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore sl_free(names, 0);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore /* Remove last ", " */
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore sbuf_retract(whatis_final, 2);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore while (sbuf_length(whatis_final) < INDENT)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore sbuf_append(whatis_final, " ", 1);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore sbuf_append(whatis_final, " - ", 3);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore sbuf_append_str(whatis_final, skip_spaces(descr));
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore (void) sl_add(whatis_lines, strdup(sbuf_content(whatis_final)));
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore}
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore/*
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * Sort pages first by inode number, then by name.
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore */
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amorestatic int
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amorepagesort(const void *a, const void *b)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore{
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore const struct page_info *p1 = *(struct page_info * const *) a;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore const struct page_info *p2 = *(struct page_info * const *) b;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore if (p1->inode == p2->inode)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore return (strcmp(p1->name, p2->name));
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore return (p1->inode - p2->inode);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore}
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore/*
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * Process a single man section.
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore */
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amorestatic void
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amoreprocess_section(char *section_dir)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore{
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore struct dirent **entries;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore int nentries;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore struct page_info **pages;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore int npages = 0;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore int i;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore ino_t prev_inode = 0;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore /* Scan the man section directory for pages */
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore nentries = scandir(section_dir, &entries, NULL, alphasort);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore /* Collect information about man pages */
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore pages = (struct page_info **)calloc(nentries,
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore sizeof (struct page_info *));
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore for (i = 0; i < nentries; i++) {
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore struct page_info *info = new_page_info(section_dir, entries[i]);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore if (info != NULL)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore pages[npages++] = info;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore free(entries[i]);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore }
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore free(entries);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore qsort(pages, npages, sizeof (struct page_info *), pagesort);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore /* Process each unique page */
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore for (i = 0; i < npages; i++) {
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore struct page_info *page = pages[i];
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore if (page->inode != prev_inode) {
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore prev_inode = page->inode;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore process_page(page, section_dir);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore }
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore free_page_info(page);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore }
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore free(pages);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore}
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore/*
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * Return whether the directory entry is a man page section.
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore */
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amorestatic int
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amoreselect_sections(const struct dirent *entry)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore{
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore const char *p = &entry->d_name[3];
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore if (strncmp(entry->d_name, "man", 3) != 0)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore return (0);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore while (*p != '\0') {
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore if (!isalnum(*p++))
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore return (0);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore }
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore return (1);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore}
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore/*
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * Process a single top-level man directory by finding all the
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * sub-directories named man* and processing each one in turn.
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore */
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amorevoid
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amoremwpath(char *path)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore{
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore FILE *fp = NULL;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore struct dirent **entries;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore int nsections;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore int i;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore (void) signal(SIGINT, trap_signal);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore (void) signal(SIGHUP, trap_signal);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore (void) signal(SIGQUIT, trap_signal);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore (void) signal(SIGTERM, trap_signal);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore whatis_proto = new_sbuf();
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore whatis_final = new_sbuf();
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore nsections = scandir(path, &entries, select_sections, alphasort);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore if ((fp = open_whatis(path)) == NULL)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore return;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore for (i = 0; i < nsections; i++) {
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore char section_dir[MAXPATHLEN];
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore (void) snprintf(section_dir, MAXPATHLEN, "%s/%s",
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore path, entries[i]->d_name);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore process_section(section_dir);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore free(entries[i]);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore }
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore free(entries);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore finish_whatis(fp, path);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore}