2014-12-25 21:33:25 +00:00
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/* $Id: read.c,v 1.104 2014/12/01 04:14:14 schwarze Exp $ */
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2012-10-18 09:55:16 +00:00
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/*
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* Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
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2014-11-22 18:08:25 +00:00
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* Copyright (c) 2010-2014 Ingo Schwarze <schwarze@openbsd.org>
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* Copyright (c) 2010, 2012 Joerg Sonnenberger <joerg@netbsd.org>
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2012-10-18 09:55:16 +00:00
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include "config.h"
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2014-12-02 07:34:06 +00:00
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#include <sys/types.h>
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#if HAVE_MMAP
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#include <sys/mman.h>
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#include <sys/stat.h>
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2012-10-18 09:55:16 +00:00
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#endif
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2014-12-02 07:34:06 +00:00
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#include <sys/wait.h>
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2012-10-18 09:55:16 +00:00
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#include <assert.h>
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#include <ctype.h>
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2014-11-22 18:08:25 +00:00
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#include <errno.h>
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2012-10-18 09:55:16 +00:00
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#include <fcntl.h>
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#include <stdarg.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include "mandoc.h"
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2014-11-22 18:08:25 +00:00
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#include "mandoc_aux.h"
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2012-10-18 09:55:16 +00:00
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#include "libmandoc.h"
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#include "mdoc.h"
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#include "man.h"
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#define REPARSE_LIMIT 1000
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struct mparse {
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struct man *pman; /* persistent man parser */
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struct mdoc *pmdoc; /* persistent mdoc parser */
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struct man *man; /* man parser */
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struct mdoc *mdoc; /* mdoc parser */
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struct roff *roff; /* roff parser (!NULL) */
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2014-12-02 07:34:06 +00:00
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const struct mchars *mchars; /* character table */
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2014-11-22 18:08:25 +00:00
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char *sodest; /* filename pointed to by .so */
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2014-12-02 07:34:06 +00:00
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const char *file; /* filename of current input file */
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struct buf *primary; /* buffer currently being parsed */
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struct buf *secondary; /* preprocessed copy of input */
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2014-11-22 18:08:25 +00:00
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const char *defos; /* default operating system */
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2014-12-02 07:34:06 +00:00
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mandocmsg mmsg; /* warning/error message handler */
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enum mandoclevel file_status; /* status of current parse */
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enum mandoclevel wlevel; /* ignore messages below this */
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int options; /* parser options */
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int filenc; /* encoding of the current file */
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int reparse_count; /* finite interp. stack */
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int line; /* line number in the file */
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pid_t child; /* the gunzip(1) process */
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2012-10-18 09:55:16 +00:00
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};
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2014-12-02 07:34:06 +00:00
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static void choose_parser(struct mparse *);
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2012-10-18 09:55:16 +00:00
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static void resize_buf(struct buf *, size_t);
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2014-12-02 07:34:06 +00:00
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static void mparse_buf_r(struct mparse *, struct buf, size_t, int);
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2014-11-22 18:08:25 +00:00
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static int read_whole_file(struct mparse *, const char *, int,
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struct buf *, int *);
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2012-10-18 09:55:16 +00:00
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static void mparse_end(struct mparse *);
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2014-01-31 19:59:03 +00:00
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static void mparse_parse_buffer(struct mparse *, struct buf,
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const char *);
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2012-10-18 09:55:16 +00:00
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static const enum mandocerr mandoclimits[MANDOCLEVEL_MAX] = {
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MANDOCERR_OK,
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MANDOCERR_WARNING,
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MANDOCERR_WARNING,
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MANDOCERR_ERROR,
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MANDOCERR_FATAL,
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MANDOCERR_MAX,
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MANDOCERR_MAX
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};
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static const char * const mandocerrs[MANDOCERR_MAX] = {
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"ok",
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"generic warning",
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/* related to the prologue */
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2014-11-22 18:08:25 +00:00
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"missing manual title, using UNTITLED",
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"missing manual title, using \"\"",
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"lower case character in document title",
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"missing manual section, using \"\"",
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2012-10-18 09:55:16 +00:00
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"unknown manual section",
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2014-11-22 18:08:25 +00:00
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"missing date, using today's date",
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2012-10-18 09:55:16 +00:00
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"cannot parse date, using it verbatim",
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2014-11-22 18:08:25 +00:00
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"missing Os macro, using \"\"",
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2012-10-18 09:55:16 +00:00
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"duplicate prologue macro",
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2014-11-22 18:08:25 +00:00
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"late prologue macro",
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"skipping late title macro",
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"prologue macros out of order",
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2012-10-18 09:55:16 +00:00
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/* related to document structure */
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".so is fragile, better use ln(1)",
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2014-11-22 18:08:25 +00:00
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"no document body",
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"content before first section header",
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"first section is not \"NAME\"",
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2012-10-18 09:55:16 +00:00
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"bad NAME section contents",
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"sections out of conventional order",
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2014-11-22 18:08:25 +00:00
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"duplicate section title",
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"unexpected section",
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2014-12-02 07:34:06 +00:00
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"unusual Xr order",
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"unusual Xr punctuation",
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"AUTHORS section without An macro",
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2012-10-18 09:55:16 +00:00
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/* related to macros and nesting */
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2014-11-22 18:08:25 +00:00
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"obsolete macro",
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2014-12-25 21:33:25 +00:00
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"macro neither callable nor escaped",
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2012-10-18 09:55:16 +00:00
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"skipping paragraph macro",
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2014-01-31 19:59:03 +00:00
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"moving paragraph macro out of list",
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2012-10-18 09:55:16 +00:00
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"skipping no-space macro",
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"blocks badly nested",
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"nested displays are not portable",
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2014-11-22 18:08:25 +00:00
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"moving content out of list",
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".Vt block has child macro",
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"fill mode already enabled, skipping",
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"fill mode already disabled, skipping",
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2012-10-18 09:55:16 +00:00
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"line scope broken",
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/* related to missing macro arguments */
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2014-11-22 18:08:25 +00:00
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"skipping empty request",
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"conditional request controls empty scope",
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2012-10-18 09:55:16 +00:00
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"skipping empty macro",
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2014-11-22 18:08:25 +00:00
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"empty argument, using 0n",
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2012-10-18 09:55:16 +00:00
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"argument count wrong",
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2014-11-22 18:08:25 +00:00
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"missing display type, using -ragged",
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"list type is not the first argument",
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"missing -width in -tag list, using 8n",
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"missing utility name, using \"\"",
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"empty head in list item",
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"empty list item",
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"missing font type, using \\fR",
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"unknown font type, using \\fR",
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2014-12-25 21:33:25 +00:00
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"nothing follows prefix",
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2014-11-22 18:08:25 +00:00
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"missing -std argument, adding it",
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2014-12-02 07:34:06 +00:00
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"missing eqn box, using \"\"",
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2012-10-18 09:55:16 +00:00
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/* related to bad macro arguments */
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2014-11-22 18:08:25 +00:00
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"unterminated quoted argument",
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2012-10-18 09:55:16 +00:00
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"duplicate argument",
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2014-11-22 18:08:25 +00:00
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"skipping duplicate argument",
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"skipping duplicate display type",
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"skipping duplicate list type",
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"skipping -width argument",
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2012-10-18 09:55:16 +00:00
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"unknown AT&T UNIX version",
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2014-12-02 07:34:06 +00:00
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"comma in function argument",
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"parenthesis in function name",
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2014-11-22 18:08:25 +00:00
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"invalid content in Rs block",
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"invalid Boolean argument",
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"unknown font, skipping request",
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2012-10-18 09:55:16 +00:00
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/* related to plain text */
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2014-11-22 18:08:25 +00:00
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"blank line in fill mode, using .sp",
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"tab in filled text",
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"whitespace at end of input line",
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2012-10-18 09:55:16 +00:00
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"bad comment style",
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2014-11-22 18:08:25 +00:00
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"invalid escape sequence",
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"undefined string, using \"\"",
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2012-10-18 09:55:16 +00:00
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"generic error",
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/* related to equations */
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"unexpected equation scope closure",
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"equation scope open on exit",
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"overlapping equation scopes",
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"unexpected end of equation",
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/* related to tables */
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"bad table syntax",
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"bad table option",
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"bad table layout",
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"no table layout cells specified",
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"no table data cells specified",
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"ignore data in cell",
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"data block still open",
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"ignoring extra data cells",
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2014-11-22 18:08:25 +00:00
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/* related to document structure and macros */
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2012-10-18 09:55:16 +00:00
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"input stack limit exceeded, infinite loop?",
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"skipping bad character",
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"skipping unknown macro",
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2014-11-22 18:08:25 +00:00
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"skipping item outside list",
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2014-01-31 19:59:03 +00:00
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"skipping column outside column list",
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2012-10-18 09:55:16 +00:00
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"skipping end of block that is not open",
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2014-11-22 18:08:25 +00:00
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"inserting missing end of block",
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"appending missing end of block",
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/* related to request and macro arguments */
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"escaped character not allowed in a name",
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"argument count wrong",
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2014-12-02 07:34:06 +00:00
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"NOT IMPLEMENTED: Bd -file",
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2014-11-22 18:08:25 +00:00
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"missing list type, using -item",
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"missing manual name, using \"\"",
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"uname(3) system call failed, using UNKNOWN",
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"unknown standard specifier",
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"skipping request without numeric argument",
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"skipping all arguments",
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"skipping excess arguments",
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2014-12-02 07:34:06 +00:00
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"divide by zero",
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2012-10-18 09:55:16 +00:00
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"generic fatal error",
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2014-11-22 18:08:25 +00:00
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"input too large",
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2012-10-18 09:55:16 +00:00
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"NOT IMPLEMENTED: .so with absolute path or \"..\"",
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2014-11-22 18:08:25 +00:00
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".so request failed",
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/* system errors */
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2014-12-02 07:34:06 +00:00
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"cannot dup file descriptor",
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"cannot exec",
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"gunzip failed with code",
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"cannot fork",
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2014-11-22 18:08:25 +00:00
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NULL,
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2014-12-02 07:34:06 +00:00
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"cannot open pipe",
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2014-11-22 18:08:25 +00:00
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"cannot read file",
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2014-12-02 07:34:06 +00:00
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"gunzip died from signal",
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"cannot stat file",
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"wait failed",
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2012-10-18 09:55:16 +00:00
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};
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static const char * const mandoclevels[MANDOCLEVEL_MAX] = {
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"SUCCESS",
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"RESERVED",
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"WARNING",
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"ERROR",
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"FATAL",
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"BADARG",
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"SYSERR"
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};
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2014-11-22 18:08:25 +00:00
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2012-10-18 09:55:16 +00:00
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static void
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resize_buf(struct buf *buf, size_t initial)
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{
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buf->sz = buf->sz > initial/2 ? 2 * buf->sz : initial;
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buf->buf = mandoc_realloc(buf->buf, buf->sz);
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}
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static void
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2014-12-02 07:34:06 +00:00
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choose_parser(struct mparse *curp)
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2012-10-18 09:55:16 +00:00
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{
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2014-12-02 07:34:06 +00:00
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char *cp, *ep;
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int format;
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2012-10-18 09:55:16 +00:00
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/*
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2014-12-02 07:34:06 +00:00
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* If neither command line arguments -mdoc or -man select
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* a parser nor the roff parser found a .Dd or .TH macro
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* yet, look ahead in the main input buffer.
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2012-10-18 09:55:16 +00:00
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*/
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2014-12-02 07:34:06 +00:00
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if ((format = roff_getformat(curp->roff)) == 0) {
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cp = curp->primary->buf;
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ep = cp + curp->primary->sz;
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while (cp < ep) {
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if (*cp == '.' || *cp == '\'') {
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cp++;
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if (cp[0] == 'D' && cp[1] == 'd') {
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format = MPARSE_MDOC;
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break;
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}
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if (cp[0] == 'T' && cp[1] == 'H') {
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format = MPARSE_MAN;
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break;
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}
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}
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cp = memchr(cp, '\n', ep - cp);
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if (cp == NULL)
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2012-10-18 09:55:16 +00:00
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break;
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2014-12-02 07:34:06 +00:00
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cp++;
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}
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2012-10-18 09:55:16 +00:00
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}
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2014-12-02 07:34:06 +00:00
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if (format == MPARSE_MDOC) {
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2014-11-22 18:08:25 +00:00
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if (NULL == curp->pmdoc)
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curp->pmdoc = mdoc_alloc(
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curp->roff, curp, curp->defos,
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MPARSE_QUICK & curp->options ? 1 : 0);
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2012-10-18 09:55:16 +00:00
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assert(curp->pmdoc);
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curp->mdoc = curp->pmdoc;
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return;
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2014-11-22 18:08:25 +00:00
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}
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2012-10-18 09:55:16 +00:00
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2014-12-02 07:34:06 +00:00
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/* Fall back to man(7) as a last resort. */
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2014-11-22 18:08:25 +00:00
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if (NULL == curp->pman)
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curp->pman = man_alloc(curp->roff, curp,
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MPARSE_QUICK & curp->options ? 1 : 0);
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2012-10-18 09:55:16 +00:00
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assert(curp->pman);
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curp->man = curp->pman;
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}
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/*
|
2014-12-02 07:34:06 +00:00
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* Main parse routine for a buffer.
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|
|
* It assumes encoding and line numbering are already set up.
|
|
|
|
* It can recurse directly (for invocations of user-defined
|
|
|
|
* macros, inline equations, and input line traps)
|
|
|
|
* and indirectly (for .so file inclusion).
|
2012-10-18 09:55:16 +00:00
|
|
|
*/
|
|
|
|
static void
|
2014-12-02 07:34:06 +00:00
|
|
|
mparse_buf_r(struct mparse *curp, struct buf blk, size_t i, int start)
|
2012-10-18 09:55:16 +00:00
|
|
|
{
|
|
|
|
const struct tbl_span *span;
|
|
|
|
struct buf ln;
|
2014-12-02 07:34:06 +00:00
|
|
|
size_t pos; /* byte number in the ln buffer */
|
2012-10-18 09:55:16 +00:00
|
|
|
enum rofferr rr;
|
2014-12-02 07:34:06 +00:00
|
|
|
int of;
|
2012-10-18 09:55:16 +00:00
|
|
|
int lnn; /* line number in the real file */
|
|
|
|
unsigned char c;
|
|
|
|
|
2014-12-02 07:34:06 +00:00
|
|
|
memset(&ln, 0, sizeof(ln));
|
2012-10-18 09:55:16 +00:00
|
|
|
|
2014-11-22 18:08:25 +00:00
|
|
|
lnn = curp->line;
|
|
|
|
pos = 0;
|
2012-10-18 09:55:16 +00:00
|
|
|
|
2014-12-02 07:34:06 +00:00
|
|
|
while (i < blk.sz) {
|
2012-10-18 09:55:16 +00:00
|
|
|
if (0 == pos && '\0' == blk.buf[i])
|
|
|
|
break;
|
|
|
|
|
|
|
|
if (start) {
|
|
|
|
curp->line = lnn;
|
|
|
|
curp->reparse_count = 0;
|
2014-12-02 07:34:06 +00:00
|
|
|
|
|
|
|
if (lnn < 3 &&
|
|
|
|
curp->filenc & MPARSE_UTF8 &&
|
|
|
|
curp->filenc & MPARSE_LATIN1)
|
|
|
|
curp->filenc = preconv_cue(&blk, i);
|
2012-10-18 09:55:16 +00:00
|
|
|
}
|
|
|
|
|
2014-12-02 07:34:06 +00:00
|
|
|
while (i < blk.sz && (start || blk.buf[i] != '\0')) {
|
2012-10-18 09:55:16 +00:00
|
|
|
|
|
|
|
/*
|
|
|
|
* When finding an unescaped newline character,
|
|
|
|
* leave the character loop to process the line.
|
|
|
|
* Skip a preceding carriage return, if any.
|
|
|
|
*/
|
|
|
|
|
2014-12-02 07:34:06 +00:00
|
|
|
if ('\r' == blk.buf[i] && i + 1 < blk.sz &&
|
2012-10-18 09:55:16 +00:00
|
|
|
'\n' == blk.buf[i + 1])
|
|
|
|
++i;
|
|
|
|
if ('\n' == blk.buf[i]) {
|
|
|
|
++i;
|
|
|
|
++lnn;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
2014-01-31 19:59:03 +00:00
|
|
|
/*
|
2014-12-02 07:34:06 +00:00
|
|
|
* Make sure we have space for the worst
|
|
|
|
* case of 11 bytes: "\\[u10ffff]\0"
|
2014-01-31 19:59:03 +00:00
|
|
|
*/
|
|
|
|
|
2014-12-02 07:34:06 +00:00
|
|
|
if (pos + 11 > ln.sz)
|
2014-01-31 19:59:03 +00:00
|
|
|
resize_buf(&ln, 256);
|
|
|
|
|
2014-11-22 18:08:25 +00:00
|
|
|
/*
|
2014-12-02 07:34:06 +00:00
|
|
|
* Encode 8-bit input.
|
2012-10-18 09:55:16 +00:00
|
|
|
*/
|
|
|
|
|
2014-12-02 07:34:06 +00:00
|
|
|
c = blk.buf[i];
|
|
|
|
if (c & 0x80) {
|
|
|
|
if ( ! (curp->filenc && preconv_encode(
|
|
|
|
&blk, &i, &ln, &pos, &curp->filenc))) {
|
|
|
|
mandoc_vmsg(MANDOCERR_BADCHAR,
|
|
|
|
curp, curp->line, pos,
|
|
|
|
"0x%x", c);
|
|
|
|
ln.buf[pos++] = '?';
|
|
|
|
i++;
|
|
|
|
}
|
|
|
|
continue;
|
|
|
|
}
|
2012-10-18 09:55:16 +00:00
|
|
|
|
2014-12-02 07:34:06 +00:00
|
|
|
/*
|
|
|
|
* Exclude control characters.
|
|
|
|
*/
|
|
|
|
|
|
|
|
if (c == 0x7f || (c < 0x20 && c != 0x09)) {
|
2014-11-22 18:08:25 +00:00
|
|
|
mandoc_vmsg(MANDOCERR_BADCHAR, curp,
|
|
|
|
curp->line, pos, "0x%x", c);
|
2012-10-18 09:55:16 +00:00
|
|
|
i++;
|
|
|
|
ln.buf[pos++] = '?';
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Trailing backslash = a plain char. */
|
|
|
|
|
2014-12-02 07:34:06 +00:00
|
|
|
if (blk.buf[i] != '\\' || i + 1 == blk.sz) {
|
2012-10-18 09:55:16 +00:00
|
|
|
ln.buf[pos++] = blk.buf[i++];
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Found escape and at least one other character.
|
|
|
|
* When it's a newline character, skip it.
|
|
|
|
* When there is a carriage return in between,
|
|
|
|
* skip that one as well.
|
|
|
|
*/
|
|
|
|
|
2014-12-02 07:34:06 +00:00
|
|
|
if ('\r' == blk.buf[i + 1] && i + 2 < blk.sz &&
|
2012-10-18 09:55:16 +00:00
|
|
|
'\n' == blk.buf[i + 2])
|
|
|
|
++i;
|
|
|
|
if ('\n' == blk.buf[i + 1]) {
|
|
|
|
i += 2;
|
|
|
|
++lnn;
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
|
|
|
|
if ('"' == blk.buf[i + 1] || '#' == blk.buf[i + 1]) {
|
|
|
|
i += 2;
|
|
|
|
/* Comment, skip to end of line */
|
2014-12-02 07:34:06 +00:00
|
|
|
for (; i < blk.sz; ++i) {
|
2012-10-18 09:55:16 +00:00
|
|
|
if ('\n' == blk.buf[i]) {
|
|
|
|
++i;
|
|
|
|
++lnn;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Backout trailing whitespaces */
|
|
|
|
for (; pos > 0; --pos) {
|
|
|
|
if (ln.buf[pos - 1] != ' ')
|
|
|
|
break;
|
|
|
|
if (pos > 2 && ln.buf[pos - 2] == '\\')
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
2014-01-31 19:59:03 +00:00
|
|
|
/* Catch escaped bogus characters. */
|
2012-10-18 09:55:16 +00:00
|
|
|
|
2014-01-31 19:59:03 +00:00
|
|
|
c = (unsigned char) blk.buf[i+1];
|
|
|
|
|
2014-11-22 18:08:25 +00:00
|
|
|
if ( ! (isascii(c) &&
|
|
|
|
(isgraph(c) || isblank(c)))) {
|
|
|
|
mandoc_vmsg(MANDOCERR_BADCHAR, curp,
|
|
|
|
curp->line, pos, "0x%x", c);
|
2014-01-31 19:59:03 +00:00
|
|
|
i += 2;
|
|
|
|
ln.buf[pos++] = '?';
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Some other escape sequence, copy & cont. */
|
2012-10-18 09:55:16 +00:00
|
|
|
|
|
|
|
ln.buf[pos++] = blk.buf[i++];
|
|
|
|
ln.buf[pos++] = blk.buf[i++];
|
|
|
|
}
|
|
|
|
|
2014-12-02 07:34:06 +00:00
|
|
|
if (pos >= ln.sz)
|
2012-10-18 09:55:16 +00:00
|
|
|
resize_buf(&ln, 256);
|
|
|
|
|
|
|
|
ln.buf[pos] = '\0';
|
|
|
|
|
|
|
|
/*
|
|
|
|
* A significant amount of complexity is contained by
|
|
|
|
* the roff preprocessor. It's line-oriented but can be
|
|
|
|
* expressed on one line, so we need at times to
|
|
|
|
* readjust our starting point and re-run it. The roff
|
|
|
|
* preprocessor can also readjust the buffers with new
|
|
|
|
* data, so we pass them in wholesale.
|
|
|
|
*/
|
|
|
|
|
|
|
|
of = 0;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Maintain a lookaside buffer of all parsed lines. We
|
|
|
|
* only do this if mparse_keep() has been invoked (the
|
|
|
|
* buffer may be accessed with mparse_getkeep()).
|
|
|
|
*/
|
|
|
|
|
|
|
|
if (curp->secondary) {
|
2014-11-22 18:08:25 +00:00
|
|
|
curp->secondary->buf = mandoc_realloc(
|
|
|
|
curp->secondary->buf,
|
|
|
|
curp->secondary->sz + pos + 2);
|
|
|
|
memcpy(curp->secondary->buf +
|
|
|
|
curp->secondary->sz,
|
|
|
|
ln.buf, pos);
|
2012-10-18 09:55:16 +00:00
|
|
|
curp->secondary->sz += pos;
|
|
|
|
curp->secondary->buf
|
|
|
|
[curp->secondary->sz] = '\n';
|
|
|
|
curp->secondary->sz++;
|
|
|
|
curp->secondary->buf
|
|
|
|
[curp->secondary->sz] = '\0';
|
|
|
|
}
|
|
|
|
rerun:
|
2014-12-02 07:34:06 +00:00
|
|
|
rr = roff_parseln(curp->roff, curp->line, &ln, &of);
|
2012-10-18 09:55:16 +00:00
|
|
|
|
|
|
|
switch (rr) {
|
2014-11-22 18:08:25 +00:00
|
|
|
case ROFF_REPARSE:
|
2012-10-18 09:55:16 +00:00
|
|
|
if (REPARSE_LIMIT >= ++curp->reparse_count)
|
2014-12-02 07:34:06 +00:00
|
|
|
mparse_buf_r(curp, ln, of, 0);
|
2012-10-18 09:55:16 +00:00
|
|
|
else
|
|
|
|
mandoc_msg(MANDOCERR_ROFFLOOP, curp,
|
2014-11-22 18:08:25 +00:00
|
|
|
curp->line, pos, NULL);
|
2012-10-18 09:55:16 +00:00
|
|
|
pos = 0;
|
|
|
|
continue;
|
2014-11-22 18:08:25 +00:00
|
|
|
case ROFF_APPEND:
|
2014-12-02 07:34:06 +00:00
|
|
|
pos = strlen(ln.buf);
|
2012-10-18 09:55:16 +00:00
|
|
|
continue;
|
2014-11-22 18:08:25 +00:00
|
|
|
case ROFF_RERUN:
|
2012-10-18 09:55:16 +00:00
|
|
|
goto rerun;
|
2014-11-22 18:08:25 +00:00
|
|
|
case ROFF_IGN:
|
2012-10-18 09:55:16 +00:00
|
|
|
pos = 0;
|
|
|
|
continue;
|
2014-11-22 18:08:25 +00:00
|
|
|
case ROFF_ERR:
|
2012-10-18 09:55:16 +00:00
|
|
|
assert(MANDOCLEVEL_FATAL <= curp->file_status);
|
|
|
|
break;
|
2014-11-22 18:08:25 +00:00
|
|
|
case ROFF_SO:
|
2014-12-02 07:34:06 +00:00
|
|
|
if ( ! (curp->options & MPARSE_SO) &&
|
|
|
|
(i >= blk.sz || blk.buf[i] == '\0')) {
|
2014-11-22 18:08:25 +00:00
|
|
|
curp->sodest = mandoc_strdup(ln.buf + of);
|
|
|
|
free(ln.buf);
|
|
|
|
return;
|
|
|
|
}
|
2012-10-18 09:55:16 +00:00
|
|
|
/*
|
|
|
|
* We remove `so' clauses from our lookaside
|
|
|
|
* buffer because we're going to descend into
|
|
|
|
* the file recursively.
|
|
|
|
*/
|
2014-11-22 18:08:25 +00:00
|
|
|
if (curp->secondary)
|
2012-10-18 09:55:16 +00:00
|
|
|
curp->secondary->sz -= pos + 1;
|
2014-01-31 19:59:03 +00:00
|
|
|
mparse_readfd(curp, -1, ln.buf + of);
|
2014-11-22 18:08:25 +00:00
|
|
|
if (MANDOCLEVEL_FATAL <= curp->file_status) {
|
|
|
|
mandoc_vmsg(MANDOCERR_SO_FAIL,
|
|
|
|
curp, curp->line, pos,
|
|
|
|
".so %s", ln.buf + of);
|
2012-10-18 09:55:16 +00:00
|
|
|
break;
|
2014-11-22 18:08:25 +00:00
|
|
|
}
|
2012-10-18 09:55:16 +00:00
|
|
|
pos = 0;
|
|
|
|
continue;
|
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* If we encounter errors in the recursive parse, make
|
|
|
|
* sure we don't continue parsing.
|
|
|
|
*/
|
|
|
|
|
|
|
|
if (MANDOCLEVEL_FATAL <= curp->file_status)
|
|
|
|
break;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* If input parsers have not been allocated, do so now.
|
|
|
|
* We keep these instanced between parsers, but set them
|
|
|
|
* locally per parse routine since we can use different
|
|
|
|
* parsers with each one.
|
|
|
|
*/
|
|
|
|
|
|
|
|
if ( ! (curp->man || curp->mdoc))
|
2014-12-02 07:34:06 +00:00
|
|
|
choose_parser(curp);
|
2012-10-18 09:55:16 +00:00
|
|
|
|
2014-11-22 18:08:25 +00:00
|
|
|
/*
|
2014-12-02 07:34:06 +00:00
|
|
|
* Lastly, push down into the parsers themselves.
|
2012-10-18 09:55:16 +00:00
|
|
|
* If libroff returns ROFF_TBL, then add it to the
|
|
|
|
* currently open parse. Since we only get here if
|
|
|
|
* there does exist data (see tbl_data.c), we're
|
|
|
|
* guaranteed that something's been allocated.
|
|
|
|
* Do the same for ROFF_EQN.
|
|
|
|
*/
|
|
|
|
|
2014-12-02 07:34:06 +00:00
|
|
|
if (rr == ROFF_TBL) {
|
|
|
|
while ((span = roff_span(curp->roff)) != NULL)
|
|
|
|
if (curp->man == NULL)
|
|
|
|
mdoc_addspan(curp->mdoc, span);
|
|
|
|
else
|
|
|
|
man_addspan(curp->man, span);
|
|
|
|
} else if (rr == ROFF_EQN) {
|
|
|
|
if (curp->man == NULL)
|
|
|
|
mdoc_addeqn(curp->mdoc, roff_eqn(curp->roff));
|
|
|
|
else
|
|
|
|
man_addeqn(curp->man, roff_eqn(curp->roff));
|
|
|
|
} else if ((curp->man == NULL ?
|
|
|
|
mdoc_parseln(curp->mdoc, curp->line, ln.buf, of) :
|
|
|
|
man_parseln(curp->man, curp->line, ln.buf, of)) == 2)
|
|
|
|
break;
|
2012-10-18 09:55:16 +00:00
|
|
|
|
|
|
|
/* Temporary buffers typically are not full. */
|
|
|
|
|
|
|
|
if (0 == start && '\0' == blk.buf[i])
|
|
|
|
break;
|
|
|
|
|
|
|
|
/* Start the next input line. */
|
|
|
|
|
|
|
|
pos = 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
free(ln.buf);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int
|
2014-11-22 18:08:25 +00:00
|
|
|
read_whole_file(struct mparse *curp, const char *file, int fd,
|
|
|
|
struct buf *fb, int *with_mmap)
|
2012-10-18 09:55:16 +00:00
|
|
|
{
|
|
|
|
size_t off;
|
|
|
|
ssize_t ssz;
|
|
|
|
|
2014-12-02 07:34:06 +00:00
|
|
|
#if HAVE_MMAP
|
2012-10-18 09:55:16 +00:00
|
|
|
struct stat st;
|
|
|
|
if (-1 == fstat(fd, &st)) {
|
2014-11-22 18:08:25 +00:00
|
|
|
curp->file_status = MANDOCLEVEL_SYSERR;
|
|
|
|
if (curp->mmsg)
|
|
|
|
(*curp->mmsg)(MANDOCERR_SYSSTAT, curp->file_status,
|
|
|
|
file, 0, 0, strerror(errno));
|
2012-10-18 09:55:16 +00:00
|
|
|
return(0);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* If we're a regular file, try just reading in the whole entry
|
|
|
|
* via mmap(). This is faster than reading it into blocks, and
|
|
|
|
* since each file is only a few bytes to begin with, I'm not
|
|
|
|
* concerned that this is going to tank any machines.
|
|
|
|
*/
|
|
|
|
|
|
|
|
if (S_ISREG(st.st_mode)) {
|
|
|
|
if (st.st_size >= (1U << 31)) {
|
2014-11-22 18:08:25 +00:00
|
|
|
curp->file_status = MANDOCLEVEL_FATAL;
|
|
|
|
if (curp->mmsg)
|
|
|
|
(*curp->mmsg)(MANDOCERR_TOOLARGE,
|
|
|
|
curp->file_status, file, 0, 0, NULL);
|
2012-10-18 09:55:16 +00:00
|
|
|
return(0);
|
|
|
|
}
|
|
|
|
*with_mmap = 1;
|
|
|
|
fb->sz = (size_t)st.st_size;
|
2014-01-31 19:59:03 +00:00
|
|
|
fb->buf = mmap(NULL, fb->sz, PROT_READ, MAP_SHARED, fd, 0);
|
2012-10-18 09:55:16 +00:00
|
|
|
if (fb->buf != MAP_FAILED)
|
|
|
|
return(1);
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
/*
|
|
|
|
* If this isn't a regular file (like, say, stdin), then we must
|
|
|
|
* go the old way and just read things in bit by bit.
|
|
|
|
*/
|
|
|
|
|
|
|
|
*with_mmap = 0;
|
|
|
|
off = 0;
|
|
|
|
fb->sz = 0;
|
|
|
|
fb->buf = NULL;
|
|
|
|
for (;;) {
|
|
|
|
if (off == fb->sz) {
|
|
|
|
if (fb->sz == (1U << 31)) {
|
2014-11-22 18:08:25 +00:00
|
|
|
curp->file_status = MANDOCLEVEL_FATAL;
|
|
|
|
if (curp->mmsg)
|
|
|
|
(*curp->mmsg)(MANDOCERR_TOOLARGE,
|
|
|
|
curp->file_status,
|
|
|
|
file, 0, 0, NULL);
|
2012-10-18 09:55:16 +00:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
resize_buf(fb, 65536);
|
|
|
|
}
|
|
|
|
ssz = read(fd, fb->buf + (int)off, fb->sz - off);
|
|
|
|
if (ssz == 0) {
|
|
|
|
fb->sz = off;
|
|
|
|
return(1);
|
|
|
|
}
|
|
|
|
if (ssz == -1) {
|
2014-11-22 18:08:25 +00:00
|
|
|
curp->file_status = MANDOCLEVEL_SYSERR;
|
|
|
|
if (curp->mmsg)
|
|
|
|
(*curp->mmsg)(MANDOCERR_SYSREAD,
|
|
|
|
curp->file_status, file, 0, 0,
|
|
|
|
strerror(errno));
|
2012-10-18 09:55:16 +00:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
off += (size_t)ssz;
|
|
|
|
}
|
|
|
|
|
|
|
|
free(fb->buf);
|
|
|
|
fb->buf = NULL;
|
|
|
|
return(0);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
mparse_end(struct mparse *curp)
|
|
|
|
{
|
|
|
|
|
|
|
|
if (MANDOCLEVEL_FATAL <= curp->file_status)
|
|
|
|
return;
|
|
|
|
|
2014-11-22 18:08:25 +00:00
|
|
|
if (curp->mdoc == NULL &&
|
|
|
|
curp->man == NULL &&
|
|
|
|
curp->sodest == NULL) {
|
|
|
|
if (curp->options & MPARSE_MDOC)
|
|
|
|
curp->mdoc = curp->pmdoc;
|
|
|
|
else {
|
|
|
|
if (curp->pman == NULL)
|
|
|
|
curp->pman = man_alloc(curp->roff, curp,
|
|
|
|
curp->options & MPARSE_QUICK ? 1 : 0);
|
|
|
|
curp->man = curp->pman;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2012-10-18 09:55:16 +00:00
|
|
|
if (curp->mdoc && ! mdoc_endparse(curp->mdoc)) {
|
|
|
|
assert(MANDOCLEVEL_FATAL <= curp->file_status);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (curp->man && ! man_endparse(curp->man)) {
|
|
|
|
assert(MANDOCLEVEL_FATAL <= curp->file_status);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
roff_endparse(curp->roff);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
2014-01-31 19:59:03 +00:00
|
|
|
mparse_parse_buffer(struct mparse *curp, struct buf blk, const char *file)
|
2012-10-18 09:55:16 +00:00
|
|
|
{
|
2014-12-02 07:34:06 +00:00
|
|
|
struct buf *svprimary;
|
2012-10-18 09:55:16 +00:00
|
|
|
const char *svfile;
|
2014-12-02 07:34:06 +00:00
|
|
|
size_t offset;
|
2014-01-31 19:59:03 +00:00
|
|
|
static int recursion_depth;
|
|
|
|
|
|
|
|
if (64 < recursion_depth) {
|
|
|
|
mandoc_msg(MANDOCERR_ROFFLOOP, curp, curp->line, 0, NULL);
|
|
|
|
return;
|
|
|
|
}
|
2012-10-18 09:55:16 +00:00
|
|
|
|
|
|
|
/* Line number is per-file. */
|
|
|
|
svfile = curp->file;
|
|
|
|
curp->file = file;
|
2014-12-02 07:34:06 +00:00
|
|
|
svprimary = curp->primary;
|
|
|
|
curp->primary = &blk;
|
2012-10-18 09:55:16 +00:00
|
|
|
curp->line = 1;
|
2014-01-31 19:59:03 +00:00
|
|
|
recursion_depth++;
|
2012-10-18 09:55:16 +00:00
|
|
|
|
2014-12-02 07:34:06 +00:00
|
|
|
/* Skip an UTF-8 byte order mark. */
|
|
|
|
if (curp->filenc & MPARSE_UTF8 && blk.sz > 2 &&
|
|
|
|
(unsigned char)blk.buf[0] == 0xef &&
|
|
|
|
(unsigned char)blk.buf[1] == 0xbb &&
|
|
|
|
(unsigned char)blk.buf[2] == 0xbf) {
|
|
|
|
offset = 3;
|
|
|
|
curp->filenc &= ~MPARSE_LATIN1;
|
|
|
|
} else
|
|
|
|
offset = 0;
|
|
|
|
|
|
|
|
mparse_buf_r(curp, blk, offset, 1);
|
2012-10-18 09:55:16 +00:00
|
|
|
|
2014-01-31 19:59:03 +00:00
|
|
|
if (0 == --recursion_depth && MANDOCLEVEL_FATAL > curp->file_status)
|
2012-10-18 09:55:16 +00:00
|
|
|
mparse_end(curp);
|
|
|
|
|
2014-12-02 07:34:06 +00:00
|
|
|
curp->primary = svprimary;
|
2012-10-18 09:55:16 +00:00
|
|
|
curp->file = svfile;
|
|
|
|
}
|
|
|
|
|
|
|
|
enum mandoclevel
|
2014-12-25 21:33:25 +00:00
|
|
|
mparse_readmem(struct mparse *curp, void *buf, size_t len,
|
2012-10-18 09:55:16 +00:00
|
|
|
const char *file)
|
|
|
|
{
|
|
|
|
struct buf blk;
|
|
|
|
|
2014-12-25 21:33:25 +00:00
|
|
|
blk.buf = buf;
|
2012-10-18 09:55:16 +00:00
|
|
|
blk.sz = len;
|
|
|
|
|
2014-01-31 19:59:03 +00:00
|
|
|
mparse_parse_buffer(curp, blk, file);
|
2012-10-18 09:55:16 +00:00
|
|
|
return(curp->file_status);
|
|
|
|
}
|
|
|
|
|
2014-12-02 07:34:06 +00:00
|
|
|
/*
|
|
|
|
* If a file descriptor is given, use it and assume it points
|
|
|
|
* to the named file. Otherwise, open the named file.
|
|
|
|
* Read the whole file into memory and call the parsers.
|
|
|
|
* Called recursively when an .so request is encountered.
|
|
|
|
*/
|
2014-01-31 19:59:03 +00:00
|
|
|
enum mandoclevel
|
|
|
|
mparse_readfd(struct mparse *curp, int fd, const char *file)
|
2012-10-18 09:55:16 +00:00
|
|
|
{
|
|
|
|
struct buf blk;
|
|
|
|
int with_mmap;
|
2014-12-02 07:34:06 +00:00
|
|
|
int save_filenc;
|
|
|
|
pid_t save_child;
|
2012-10-18 09:55:16 +00:00
|
|
|
|
2014-12-02 07:34:06 +00:00
|
|
|
save_child = curp->child;
|
|
|
|
if (fd != -1)
|
|
|
|
curp->child = 0;
|
|
|
|
else if (mparse_open(curp, &fd, file) >= MANDOCLEVEL_SYSERR)
|
2014-11-22 18:08:25 +00:00
|
|
|
goto out;
|
2014-12-02 07:34:06 +00:00
|
|
|
|
|
|
|
if (read_whole_file(curp, file, fd, &blk, &with_mmap)) {
|
|
|
|
save_filenc = curp->filenc;
|
|
|
|
curp->filenc = curp->options &
|
|
|
|
(MPARSE_UTF8 | MPARSE_LATIN1);
|
|
|
|
mparse_parse_buffer(curp, blk, file);
|
|
|
|
curp->filenc = save_filenc;
|
|
|
|
#if HAVE_MMAP
|
|
|
|
if (with_mmap)
|
|
|
|
munmap(blk.buf, blk.sz);
|
|
|
|
else
|
|
|
|
#endif
|
|
|
|
free(blk.buf);
|
2014-11-22 18:08:25 +00:00
|
|
|
}
|
|
|
|
|
2014-12-02 07:34:06 +00:00
|
|
|
if (fd != STDIN_FILENO && close(fd) == -1)
|
|
|
|
perror(file);
|
|
|
|
|
|
|
|
mparse_wait(curp);
|
|
|
|
out:
|
|
|
|
curp->child = save_child;
|
|
|
|
return(curp->file_status);
|
|
|
|
}
|
|
|
|
|
|
|
|
enum mandoclevel
|
|
|
|
mparse_open(struct mparse *curp, int *fd, const char *file)
|
|
|
|
{
|
|
|
|
int pfd[2];
|
|
|
|
int save_errno;
|
|
|
|
char *cp;
|
|
|
|
enum mandocerr err;
|
|
|
|
|
|
|
|
pfd[1] = -1;
|
|
|
|
curp->file = file;
|
|
|
|
|
|
|
|
/* Unless zipped, try to just open the file. */
|
|
|
|
|
|
|
|
if ((cp = strrchr(file, '.')) == NULL ||
|
|
|
|
strcmp(cp + 1, "gz")) {
|
|
|
|
curp->child = 0;
|
|
|
|
if ((*fd = open(file, O_RDONLY)) != -1)
|
|
|
|
return(MANDOCLEVEL_OK);
|
|
|
|
|
|
|
|
/* Open failed; try to append ".gz". */
|
|
|
|
|
|
|
|
mandoc_asprintf(&cp, "%s.gz", file);
|
|
|
|
file = cp;
|
|
|
|
} else
|
|
|
|
cp = NULL;
|
2012-10-18 09:55:16 +00:00
|
|
|
|
2014-12-02 07:34:06 +00:00
|
|
|
/* Before forking, make sure the file can be read. */
|
|
|
|
|
|
|
|
save_errno = errno;
|
|
|
|
if (access(file, R_OK) == -1) {
|
|
|
|
if (cp != NULL)
|
|
|
|
errno = save_errno;
|
|
|
|
err = MANDOCERR_SYSOPEN;
|
2014-01-31 19:59:03 +00:00
|
|
|
goto out;
|
2014-12-02 07:34:06 +00:00
|
|
|
}
|
2012-10-18 09:55:16 +00:00
|
|
|
|
2014-12-02 07:34:06 +00:00
|
|
|
/* Run gunzip(1). */
|
2012-10-18 09:55:16 +00:00
|
|
|
|
2014-12-02 07:34:06 +00:00
|
|
|
if (pipe(pfd) == -1) {
|
|
|
|
err = MANDOCERR_SYSPIPE;
|
|
|
|
goto out;
|
|
|
|
}
|
|
|
|
|
|
|
|
switch (curp->child = fork()) {
|
|
|
|
case -1:
|
|
|
|
err = MANDOCERR_SYSFORK;
|
|
|
|
close(pfd[0]);
|
|
|
|
close(pfd[1]);
|
|
|
|
pfd[1] = -1;
|
|
|
|
break;
|
|
|
|
case 0:
|
|
|
|
close(pfd[0]);
|
|
|
|
if (dup2(pfd[1], STDOUT_FILENO) == -1) {
|
|
|
|
err = MANDOCERR_SYSDUP;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
execlp("gunzip", "gunzip", "-c", file, NULL);
|
|
|
|
err = MANDOCERR_SYSEXEC;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
close(pfd[1]);
|
|
|
|
*fd = pfd[0];
|
|
|
|
return(MANDOCLEVEL_OK);
|
|
|
|
}
|
2012-10-18 09:55:16 +00:00
|
|
|
|
2014-01-31 19:59:03 +00:00
|
|
|
out:
|
2014-12-02 07:34:06 +00:00
|
|
|
free(cp);
|
|
|
|
*fd = -1;
|
|
|
|
curp->child = 0;
|
|
|
|
curp->file_status = MANDOCLEVEL_SYSERR;
|
|
|
|
if (curp->mmsg)
|
|
|
|
(*curp->mmsg)(err, curp->file_status, curp->file,
|
|
|
|
0, 0, strerror(errno));
|
|
|
|
if (pfd[1] != -1)
|
|
|
|
exit(1);
|
2012-10-18 09:55:16 +00:00
|
|
|
return(curp->file_status);
|
|
|
|
}
|
|
|
|
|
2014-12-02 07:34:06 +00:00
|
|
|
enum mandoclevel
|
|
|
|
mparse_wait(struct mparse *curp)
|
|
|
|
{
|
|
|
|
int status;
|
|
|
|
|
|
|
|
if (curp->child == 0)
|
|
|
|
return(MANDOCLEVEL_OK);
|
|
|
|
|
|
|
|
if (waitpid(curp->child, &status, 0) == -1) {
|
|
|
|
mandoc_msg(MANDOCERR_SYSWAIT, curp, 0, 0,
|
|
|
|
strerror(errno));
|
|
|
|
curp->file_status = MANDOCLEVEL_SYSERR;
|
|
|
|
return(curp->file_status);
|
|
|
|
}
|
|
|
|
if (WIFSIGNALED(status)) {
|
|
|
|
mandoc_vmsg(MANDOCERR_SYSSIG, curp, 0, 0,
|
|
|
|
"%d", WTERMSIG(status));
|
|
|
|
curp->file_status = MANDOCLEVEL_SYSERR;
|
|
|
|
return(curp->file_status);
|
|
|
|
}
|
|
|
|
if (WEXITSTATUS(status)) {
|
|
|
|
mandoc_vmsg(MANDOCERR_SYSEXIT, curp, 0, 0,
|
|
|
|
"%d", WEXITSTATUS(status));
|
|
|
|
curp->file_status = MANDOCLEVEL_SYSERR;
|
|
|
|
return(curp->file_status);
|
|
|
|
}
|
|
|
|
return(MANDOCLEVEL_OK);
|
|
|
|
}
|
|
|
|
|
2012-10-18 09:55:16 +00:00
|
|
|
struct mparse *
|
2014-12-02 07:34:06 +00:00
|
|
|
mparse_alloc(int options, enum mandoclevel wlevel, mandocmsg mmsg,
|
|
|
|
const struct mchars *mchars, const char *defos)
|
2012-10-18 09:55:16 +00:00
|
|
|
{
|
|
|
|
struct mparse *curp;
|
|
|
|
|
|
|
|
assert(wlevel <= MANDOCLEVEL_FATAL);
|
|
|
|
|
|
|
|
curp = mandoc_calloc(1, sizeof(struct mparse));
|
|
|
|
|
2014-11-22 18:08:25 +00:00
|
|
|
curp->options = options;
|
2012-10-18 09:55:16 +00:00
|
|
|
curp->wlevel = wlevel;
|
|
|
|
curp->mmsg = mmsg;
|
2014-01-31 19:59:03 +00:00
|
|
|
curp->defos = defos;
|
2012-10-18 09:55:16 +00:00
|
|
|
|
2014-12-02 07:34:06 +00:00
|
|
|
curp->mchars = mchars;
|
|
|
|
curp->roff = roff_alloc(curp, curp->mchars, options);
|
2014-11-22 18:08:25 +00:00
|
|
|
if (curp->options & MPARSE_MDOC)
|
|
|
|
curp->pmdoc = mdoc_alloc(
|
|
|
|
curp->roff, curp, curp->defos,
|
|
|
|
curp->options & MPARSE_QUICK ? 1 : 0);
|
|
|
|
if (curp->options & MPARSE_MAN)
|
|
|
|
curp->pman = man_alloc(curp->roff, curp,
|
|
|
|
curp->options & MPARSE_QUICK ? 1 : 0);
|
|
|
|
|
2012-10-18 09:55:16 +00:00
|
|
|
return(curp);
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
mparse_reset(struct mparse *curp)
|
|
|
|
{
|
|
|
|
|
|
|
|
roff_reset(curp->roff);
|
|
|
|
|
|
|
|
if (curp->mdoc)
|
|
|
|
mdoc_reset(curp->mdoc);
|
|
|
|
if (curp->man)
|
|
|
|
man_reset(curp->man);
|
|
|
|
if (curp->secondary)
|
|
|
|
curp->secondary->sz = 0;
|
|
|
|
|
|
|
|
curp->file_status = MANDOCLEVEL_OK;
|
|
|
|
curp->mdoc = NULL;
|
|
|
|
curp->man = NULL;
|
2014-11-22 18:08:25 +00:00
|
|
|
|
|
|
|
free(curp->sodest);
|
|
|
|
curp->sodest = NULL;
|
2012-10-18 09:55:16 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
mparse_free(struct mparse *curp)
|
|
|
|
{
|
|
|
|
|
|
|
|
if (curp->pmdoc)
|
|
|
|
mdoc_free(curp->pmdoc);
|
|
|
|
if (curp->pman)
|
|
|
|
man_free(curp->pman);
|
|
|
|
if (curp->roff)
|
|
|
|
roff_free(curp->roff);
|
|
|
|
if (curp->secondary)
|
|
|
|
free(curp->secondary->buf);
|
|
|
|
|
|
|
|
free(curp->secondary);
|
2014-11-22 18:08:25 +00:00
|
|
|
free(curp->sodest);
|
2012-10-18 09:55:16 +00:00
|
|
|
free(curp);
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
2014-11-22 18:08:25 +00:00
|
|
|
mparse_result(struct mparse *curp,
|
|
|
|
struct mdoc **mdoc, struct man **man, char **sodest)
|
2012-10-18 09:55:16 +00:00
|
|
|
{
|
|
|
|
|
2014-11-22 18:08:25 +00:00
|
|
|
if (sodest && NULL != (*sodest = curp->sodest)) {
|
|
|
|
*mdoc = NULL;
|
|
|
|
*man = NULL;
|
|
|
|
return;
|
|
|
|
}
|
2012-10-18 09:55:16 +00:00
|
|
|
if (mdoc)
|
|
|
|
*mdoc = curp->mdoc;
|
|
|
|
if (man)
|
|
|
|
*man = curp->man;
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
mandoc_vmsg(enum mandocerr t, struct mparse *m,
|
|
|
|
int ln, int pos, const char *fmt, ...)
|
|
|
|
{
|
|
|
|
char buf[256];
|
|
|
|
va_list ap;
|
|
|
|
|
|
|
|
va_start(ap, fmt);
|
2014-11-22 18:08:25 +00:00
|
|
|
(void)vsnprintf(buf, sizeof(buf), fmt, ap);
|
2012-10-18 09:55:16 +00:00
|
|
|
va_end(ap);
|
|
|
|
|
|
|
|
mandoc_msg(t, m, ln, pos, buf);
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
2014-11-22 18:08:25 +00:00
|
|
|
mandoc_msg(enum mandocerr er, struct mparse *m,
|
2012-10-18 09:55:16 +00:00
|
|
|
int ln, int col, const char *msg)
|
|
|
|
{
|
|
|
|
enum mandoclevel level;
|
|
|
|
|
|
|
|
level = MANDOCLEVEL_FATAL;
|
|
|
|
while (er < mandoclimits[level])
|
|
|
|
level--;
|
|
|
|
|
|
|
|
if (level < m->wlevel)
|
|
|
|
return;
|
|
|
|
|
|
|
|
if (m->mmsg)
|
|
|
|
(*m->mmsg)(er, level, m->file, ln, col, msg);
|
|
|
|
|
|
|
|
if (m->file_status < level)
|
|
|
|
m->file_status = level;
|
|
|
|
}
|
|
|
|
|
|
|
|
const char *
|
|
|
|
mparse_strerror(enum mandocerr er)
|
|
|
|
{
|
|
|
|
|
|
|
|
return(mandocerrs[er]);
|
|
|
|
}
|
|
|
|
|
|
|
|
const char *
|
|
|
|
mparse_strlevel(enum mandoclevel lvl)
|
|
|
|
{
|
|
|
|
return(mandoclevels[lvl]);
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
mparse_keep(struct mparse *p)
|
|
|
|
{
|
|
|
|
|
|
|
|
assert(NULL == p->secondary);
|
|
|
|
p->secondary = mandoc_calloc(1, sizeof(struct buf));
|
|
|
|
}
|
|
|
|
|
|
|
|
const char *
|
|
|
|
mparse_getkeep(const struct mparse *p)
|
|
|
|
{
|
|
|
|
|
|
|
|
assert(p->secondary);
|
|
|
|
return(p->secondary->sz ? p->secondary->buf : NULL);
|
|
|
|
}
|