version 1.18, 2009/03/31 13:50:19 |
version 1.282, 2017/02/16 10:56:07 |
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/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@openbsd.org> |
* Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv> |
|
* Copyright (c) 2010-2012, 2014-2017 Ingo Schwarze <schwarze@openbsd.org> |
|
* Copyright (c) 2010 Joerg Sonnenberger <joerg@netbsd.org> |
* |
* |
* Permission to use, copy, modify, and distribute this software for any |
* Permission to use, copy, modify, and distribute this software for any |
* purpose with or without fee is hereby granted, provided that the |
* purpose with or without fee is hereby granted, provided that the above |
* above copyright notice and this permission notice appear in all |
* copyright notice and this permission notice appear in all copies. |
* copies. |
|
* |
* |
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL |
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES |
* WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED |
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
* WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE |
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR |
* AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL |
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR |
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
* PERFORMANCE OF THIS SOFTWARE. |
|
*/ |
*/ |
#include <sys/stat.h> |
#include "config.h" |
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#include <sys/types.h> |
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#include <sys/param.h> /* MACHINE */ |
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#include <sys/wait.h> |
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#include <assert.h> |
#include <assert.h> |
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#include <ctype.h> |
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#if HAVE_ERR |
#include <err.h> |
#include <err.h> |
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#endif |
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#include <errno.h> |
#include <fcntl.h> |
#include <fcntl.h> |
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#include <glob.h> |
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#if HAVE_SANDBOX_INIT |
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#include <sandbox.h> |
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#endif |
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#include <signal.h> |
#include <stdio.h> |
#include <stdio.h> |
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#include <stdint.h> |
#include <stdlib.h> |
#include <stdlib.h> |
#include <string.h> |
#include <string.h> |
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#include <time.h> |
#include <unistd.h> |
#include <unistd.h> |
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#include "mandoc_aux.h" |
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#include "mandoc.h" |
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#include "roff.h" |
#include "mdoc.h" |
#include "mdoc.h" |
#include "man.h" |
#include "man.h" |
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#include "tag.h" |
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#include "main.h" |
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#include "manconf.h" |
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#include "mansearch.h" |
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/* Account for FreeBSD and Linux in our declarations. */ |
enum outmode { |
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OUTMODE_DEF = 0, |
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OUTMODE_FLN, |
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OUTMODE_LST, |
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OUTMODE_ALL, |
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OUTMODE_INT, |
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OUTMODE_ONE |
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}; |
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#ifdef __linux__ |
enum outt { |
extern int getsubopt(char **, char * const *, char **); |
OUTT_ASCII = 0, /* -Tascii */ |
# ifndef __dead |
OUTT_LOCALE, /* -Tlocale */ |
# define __dead __attribute__((__noreturn__)) |
OUTT_UTF8, /* -Tutf8 */ |
# endif |
OUTT_TREE, /* -Ttree */ |
#elif defined(__dead2) |
OUTT_MAN, /* -Tman */ |
# ifndef __dead |
OUTT_HTML, /* -Thtml */ |
# define __dead __dead2 |
OUTT_LINT, /* -Tlint */ |
# endif |
OUTT_PS, /* -Tps */ |
#endif |
OUTT_PDF /* -Tpdf */ |
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struct buf { |
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char *buf; |
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size_t sz; |
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}; |
}; |
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struct curparse { |
struct curparse { |
const char *file; |
struct mparse *mp; |
int wflags; |
enum mandoclevel wlevel; /* ignore messages below this */ |
#define WARN_WALL 0x03 /* All-warnings mask. */ |
int wstop; /* stop after a file with a warning */ |
#define WARN_WCOMPAT (1 << 0) /* Compatibility warnings. */ |
enum outt outtype; /* which output to use */ |
#define WARN_WSYNTAX (1 << 1) /* Syntax warnings. */ |
void *outdata; /* data for output */ |
#define WARN_WERR (1 << 2) /* Warnings->errors. */ |
struct manoutput *outopts; /* output options */ |
}; |
}; |
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#define IGN_SCOPE (1 << 0) /* Ignore scope errors. */ |
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#define IGN_ESCAPE (1 << 1) /* Ignore bad escapes. */ |
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#define IGN_MACRO (1 << 2) /* Ignore unknown macros. */ |
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enum intt { |
int mandocdb(int, char *[]); |
INTT_MDOC = 0, |
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INTT_MAN |
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}; |
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enum outt { |
static int fs_lookup(const struct manpaths *, |
OUTT_ASCII = 0, |
size_t ipath, const char *, |
OUTT_TREE, |
const char *, const char *, |
OUTT_LINT |
struct manpage **, size_t *); |
}; |
static void fs_search(const struct mansearch *, |
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const struct manpaths *, int, char**, |
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struct manpage **, size_t *); |
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static int koptions(int *, char *); |
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static int moptions(int *, char *); |
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static void mmsg(enum mandocerr, enum mandoclevel, |
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const char *, int, int, const char *); |
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static void outdata_alloc(struct curparse *); |
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static void parse(struct curparse *, int, const char *); |
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static void passthrough(const char *, int, int); |
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static pid_t spawn_pager(struct tag_files *); |
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static int toptions(struct curparse *, char *); |
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static void usage(enum argmode) __attribute__((noreturn)); |
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static int woptions(struct curparse *, char *); |
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typedef int (*out_run)(void *, const struct man *, |
static const int sec_prios[] = {1, 4, 5, 8, 6, 3, 7, 2, 9}; |
const struct mdoc *); |
static char help_arg[] = "help"; |
typedef void (*out_free)(void *); |
static char *help_argv[] = {help_arg, NULL}; |
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static enum mandoclevel rc; |
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extern char *__progname; |
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extern void *ascii_alloc(void); |
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extern int terminal_run(void *, const struct man *, |
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const struct mdoc *); |
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extern int tree_run(void *, const struct man *, |
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const struct mdoc *); |
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extern void terminal_free(void *); |
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static int foptions(int *, char *); |
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static int toptions(enum outt *, char *); |
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static int moptions(enum intt *, char *); |
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static int woptions(int *, char *); |
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static int merr(void *, int, int, const char *); |
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static int manwarn(void *, int, int, const char *); |
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static int mdocwarn(void *, int, int, |
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enum mdoc_warn, const char *); |
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static int file(struct buf *, struct buf *, |
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const char *, |
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struct man *, struct mdoc *); |
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static int fdesc(struct buf *, struct buf *, |
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const char *, int, |
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struct man *, struct mdoc *); |
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__dead static void version(void); |
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__dead static void usage(void); |
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int |
int |
main(int argc, char *argv[]) |
main(int argc, char *argv[]) |
{ |
{ |
int c, rc, fflags, pflags; |
struct manconf conf; |
struct mdoc_cb mdoccb; |
struct mansearch search; |
struct man_cb mancb; |
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struct man *man; |
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struct mdoc *mdoc; |
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void *outdata; |
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enum outt outtype; |
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enum intt inttype; |
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struct buf ln, blk; |
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out_run outrun; |
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out_free outfree; |
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struct curparse curp; |
struct curparse curp; |
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struct tag_files *tag_files; |
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struct manpage *res, *resp; |
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const char *progname, *sec, *thisarg; |
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char *conf_file, *defpaths, *auxpaths; |
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char *defos, *oarg; |
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unsigned char *uc; |
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size_t i, sz; |
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int prio, best_prio; |
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enum outmode outmode; |
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int fd; |
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int show_usage; |
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int options; |
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int use_pager; |
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int status, signum; |
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int c; |
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pid_t pager_pid, tc_pgid, man_pgid, pid; |
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fflags = 0; |
#if HAVE_PROGNAME |
outtype = OUTT_ASCII; |
progname = getprogname(); |
inttype = INTT_MDOC; |
#else |
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if (argc < 1) |
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progname = mandoc_strdup("mandoc"); |
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else if ((progname = strrchr(argv[0], '/')) == NULL) |
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progname = argv[0]; |
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else |
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++progname; |
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setprogname(progname); |
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#endif |
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bzero(&curp, sizeof(struct curparse)); |
if (strncmp(progname, "mandocdb", 8) == 0 || |
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strcmp(progname, BINM_MAKEWHATIS) == 0) |
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return mandocdb(argc, argv); |
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/* LINTED */ |
#if HAVE_PLEDGE |
while (-1 != (c = getopt(argc, argv, "f:m:VW:T:"))) |
if (pledge("stdio rpath tmppath tty proc exec flock", NULL) == -1) |
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err((int)MANDOCLEVEL_SYSERR, "pledge"); |
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#endif |
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#if HAVE_SANDBOX_INIT |
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if (sandbox_init(kSBXProfileNoInternet, SANDBOX_NAMED, NULL) == -1) |
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errx((int)MANDOCLEVEL_SYSERR, "sandbox_init"); |
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#endif |
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/* Search options. */ |
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memset(&conf, 0, sizeof(conf)); |
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conf_file = defpaths = NULL; |
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auxpaths = NULL; |
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memset(&search, 0, sizeof(struct mansearch)); |
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search.outkey = "Nd"; |
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oarg = NULL; |
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if (strcmp(progname, BINM_MAN) == 0) |
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search.argmode = ARG_NAME; |
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else if (strcmp(progname, BINM_APROPOS) == 0) |
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search.argmode = ARG_EXPR; |
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else if (strcmp(progname, BINM_WHATIS) == 0) |
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search.argmode = ARG_WORD; |
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else if (strncmp(progname, "help", 4) == 0) |
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search.argmode = ARG_NAME; |
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else |
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search.argmode = ARG_FILE; |
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/* Parser and formatter options. */ |
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memset(&curp, 0, sizeof(struct curparse)); |
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curp.outtype = OUTT_LOCALE; |
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curp.wlevel = MANDOCLEVEL_BADARG; |
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curp.outopts = &conf.output; |
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options = MPARSE_SO | MPARSE_UTF8 | MPARSE_LATIN1; |
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defos = NULL; |
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use_pager = 1; |
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tag_files = NULL; |
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show_usage = 0; |
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outmode = OUTMODE_DEF; |
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while (-1 != (c = getopt(argc, argv, |
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"aC:cfhI:iK:klM:m:O:S:s:T:VW:w"))) { |
switch (c) { |
switch (c) { |
case ('f'): |
case 'a': |
if ( ! foptions(&fflags, optarg)) |
outmode = OUTMODE_ALL; |
return(0); |
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break; |
break; |
case ('m'): |
case 'C': |
if ( ! moptions(&inttype, optarg)) |
conf_file = optarg; |
return(0); |
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break; |
break; |
case ('T'): |
case 'c': |
if ( ! toptions(&outtype, optarg)) |
use_pager = 0; |
return(0); |
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break; |
break; |
case ('W'): |
case 'f': |
if ( ! woptions(&curp.wflags, optarg)) |
search.argmode = ARG_WORD; |
return(0); |
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break; |
break; |
case ('V'): |
case 'h': |
version(); |
conf.output.synopsisonly = 1; |
/* NOTREACHED */ |
use_pager = 0; |
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outmode = OUTMODE_ALL; |
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break; |
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case 'I': |
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if (strncmp(optarg, "os=", 3)) { |
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warnx("-I %s: Bad argument", optarg); |
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return (int)MANDOCLEVEL_BADARG; |
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} |
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if (defos) { |
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warnx("-I %s: Duplicate argument", optarg); |
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return (int)MANDOCLEVEL_BADARG; |
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} |
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defos = mandoc_strdup(optarg + 3); |
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break; |
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case 'i': |
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outmode = OUTMODE_INT; |
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break; |
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case 'K': |
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if ( ! koptions(&options, optarg)) |
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return (int)MANDOCLEVEL_BADARG; |
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break; |
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case 'k': |
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search.argmode = ARG_EXPR; |
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break; |
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case 'l': |
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search.argmode = ARG_FILE; |
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outmode = OUTMODE_ALL; |
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break; |
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case 'M': |
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defpaths = optarg; |
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break; |
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case 'm': |
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auxpaths = optarg; |
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break; |
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case 'O': |
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oarg = optarg; |
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break; |
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case 'S': |
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search.arch = optarg; |
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break; |
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case 's': |
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search.sec = optarg; |
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break; |
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case 'T': |
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if ( ! toptions(&curp, optarg)) |
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return (int)MANDOCLEVEL_BADARG; |
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break; |
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case 'W': |
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if ( ! woptions(&curp, optarg)) |
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return (int)MANDOCLEVEL_BADARG; |
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break; |
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case 'w': |
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outmode = OUTMODE_FLN; |
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break; |
default: |
default: |
usage(); |
show_usage = 1; |
/* NOTREACHED */ |
break; |
} |
} |
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} |
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argc -= optind; |
if (show_usage) |
argv += optind; |
usage(search.argmode); |
|
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/* |
/* Postprocess options. */ |
* Allocate the appropriate front-end. Note that utf8, latin1 |
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* (both not yet implemented) and ascii all resolve to the |
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* terminal front-end with different encodings (see terminal.c). |
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* Not all frontends have cleanup or alloc routines. |
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*/ |
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switch (outtype) { |
if (outmode == OUTMODE_DEF) { |
case (OUTT_TREE): |
switch (search.argmode) { |
outdata = NULL; |
case ARG_FILE: |
outrun = tree_run; |
outmode = OUTMODE_ALL; |
outfree = NULL; |
use_pager = 0; |
break; |
break; |
case (OUTT_LINT): |
case ARG_NAME: |
outdata = NULL; |
outmode = OUTMODE_ONE; |
outrun = NULL; |
break; |
outfree = NULL; |
default: |
break; |
outmode = OUTMODE_LST; |
default: |
break; |
outdata = ascii_alloc(); |
} |
outrun = terminal_run; |
|
outfree = terminal_free; |
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break; |
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} |
} |
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if (oarg != NULL) { |
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if (outmode == OUTMODE_LST) |
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search.outkey = oarg; |
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else { |
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while (oarg != NULL) { |
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thisarg = oarg; |
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if (manconf_output(&conf.output, |
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strsep(&oarg, ","), 0) == 0) |
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continue; |
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warnx("-O %s: Bad argument", thisarg); |
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return (int)MANDOCLEVEL_BADARG; |
|
} |
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} |
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} |
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|
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if (outmode == OUTMODE_FLN || |
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outmode == OUTMODE_LST || |
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!isatty(STDOUT_FILENO)) |
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use_pager = 0; |
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#if HAVE_PLEDGE |
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if (!use_pager) |
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if (pledge("stdio rpath flock", NULL) == -1) |
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err((int)MANDOCLEVEL_SYSERR, "pledge"); |
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#endif |
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/* Parse arguments. */ |
|
|
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if (argc > 0) { |
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argc -= optind; |
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argv += optind; |
|
} |
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resp = NULL; |
|
|
/* |
/* |
* All callbacks route into here, where we print them onto the |
* Quirks for help(1) |
* screen. XXX - for now, no path for debugging messages. |
* and for a man(1) section argument without -s. |
*/ |
*/ |
|
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mdoccb.mdoc_msg = NULL; |
if (search.argmode == ARG_NAME) { |
mdoccb.mdoc_err = merr; |
if (*progname == 'h') { |
mdoccb.mdoc_warn = mdocwarn; |
if (argc == 0) { |
|
argv = help_argv; |
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argc = 1; |
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} |
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} else if (argc > 1 && |
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((uc = (unsigned char *)argv[0]) != NULL) && |
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((isdigit(uc[0]) && (uc[1] == '\0' || |
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(isalpha(uc[1]) && uc[2] == '\0'))) || |
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(uc[0] == 'n' && uc[1] == '\0'))) { |
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search.sec = (char *)uc; |
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argv++; |
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argc--; |
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} |
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if (search.arch == NULL) |
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search.arch = getenv("MACHINE"); |
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#ifdef MACHINE |
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if (search.arch == NULL) |
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search.arch = MACHINE; |
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#endif |
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} |
|
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mancb.man_err = merr; |
rc = MANDOCLEVEL_OK; |
mancb.man_warn = manwarn; |
|
|
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/* Configure buffers. */ |
/* man(1), whatis(1), apropos(1) */ |
|
|
bzero(&ln, sizeof(struct buf)); |
if (search.argmode != ARG_FILE) { |
bzero(&blk, sizeof(struct buf)); |
if (search.argmode == ARG_NAME && |
|
outmode == OUTMODE_ONE) |
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search.firstmatch = 1; |
|
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man = NULL; |
/* Access the mandoc database. */ |
mdoc = NULL; |
|
pflags = 0; |
|
|
|
/* |
manconf_parse(&conf, conf_file, defpaths, auxpaths); |
* Allocate the parser. There are two kinds of parser: libman |
if ( ! mansearch(&search, &conf.manpath, |
* and libmdoc. We must separately copy over the flags that |
argc, argv, &res, &sz)) |
* we'll use internally. |
usage(search.argmode); |
*/ |
|
|
|
switch (inttype) { |
if (sz == 0) { |
case (INTT_MAN): |
if (search.argmode == ARG_NAME) |
if (fflags & IGN_MACRO) |
fs_search(&search, &conf.manpath, |
pflags |= MAN_IGN_MACRO; |
argc, argv, &res, &sz); |
man = man_alloc(&curp, pflags, &mancb); |
else |
break; |
warnx("nothing appropriate"); |
default: |
} |
if (fflags & IGN_SCOPE) |
|
pflags |= MDOC_IGN_SCOPE; |
if (sz == 0) { |
if (fflags & IGN_ESCAPE) |
rc = MANDOCLEVEL_BADARG; |
pflags |= MDOC_IGN_ESCAPE; |
goto out; |
if (fflags & IGN_MACRO) |
} |
pflags |= MDOC_IGN_MACRO; |
|
mdoc = mdoc_alloc(&curp, pflags, &mdoccb); |
/* |
if (NULL == mdoc) |
* For standard man(1) and -a output mode, |
errx(1, "memory exhausted"); |
* prepare for copying filename pointers |
break; |
* into the program parameter array. |
|
*/ |
|
|
|
if (outmode == OUTMODE_ONE) { |
|
argc = 1; |
|
best_prio = 20; |
|
} else if (outmode == OUTMODE_ALL) |
|
argc = (int)sz; |
|
|
|
/* Iterate all matching manuals. */ |
|
|
|
resp = res; |
|
for (i = 0; i < sz; i++) { |
|
if (outmode == OUTMODE_FLN) |
|
puts(res[i].file); |
|
else if (outmode == OUTMODE_LST) |
|
printf("%s - %s\n", res[i].names, |
|
res[i].output == NULL ? "" : |
|
res[i].output); |
|
else if (outmode == OUTMODE_ONE) { |
|
/* Search for the best section. */ |
|
sec = res[i].file; |
|
sec += strcspn(sec, "123456789"); |
|
if (sec[0] == '\0') |
|
continue; |
|
prio = sec_prios[sec[0] - '1']; |
|
if (sec[1] != '/') |
|
prio += 10; |
|
if (prio >= best_prio) |
|
continue; |
|
best_prio = prio; |
|
resp = res + i; |
|
} |
|
} |
|
|
|
/* |
|
* For man(1), -a and -i output mode, fall through |
|
* to the main mandoc(1) code iterating files |
|
* and running the parsers on each of them. |
|
*/ |
|
|
|
if (outmode == OUTMODE_FLN || outmode == OUTMODE_LST) |
|
goto out; |
} |
} |
|
|
|
/* mandoc(1) */ |
|
|
|
#if HAVE_PLEDGE |
|
if (use_pager) { |
|
if (pledge("stdio rpath tmppath tty proc exec", NULL) == -1) |
|
err((int)MANDOCLEVEL_SYSERR, "pledge"); |
|
} else { |
|
if (pledge("stdio rpath", NULL) == -1) |
|
err((int)MANDOCLEVEL_SYSERR, "pledge"); |
|
} |
|
#endif |
|
|
|
if (search.argmode == ARG_FILE && ! moptions(&options, auxpaths)) |
|
return (int)MANDOCLEVEL_BADARG; |
|
|
|
mchars_alloc(); |
|
curp.mp = mparse_alloc(options, curp.wlevel, mmsg, defos); |
|
|
/* |
/* |
* Main loop around available files. |
* Conditionally start up the lookaside buffer before parsing. |
*/ |
*/ |
|
if (OUTT_MAN == curp.outtype) |
|
mparse_keep(curp.mp); |
|
|
if (NULL == *argv) { |
if (argc < 1) { |
curp.file = "<stdin>"; |
if (use_pager) |
rc = 0; |
tag_files = tag_init(); |
c = fdesc(&blk, &ln, "stdin", STDIN_FILENO, man, mdoc); |
parse(&curp, STDIN_FILENO, "<stdin>"); |
|
} |
|
|
if (c && NULL == outrun) |
while (argc > 0) { |
rc = 1; |
fd = mparse_open(curp.mp, resp != NULL ? resp->file : *argv); |
else if (c && outrun && (*outrun)(outdata, man, mdoc)) |
if (fd != -1) { |
rc = 1; |
if (use_pager) { |
} else { |
tag_files = tag_init(); |
while (*argv) { |
use_pager = 0; |
curp.file = *argv; |
|
c = file(&blk, &ln, *argv, man, mdoc); |
|
if ( ! c) |
|
break; |
|
if (outrun && ! (*outrun)(outdata, man, mdoc)) |
|
break; |
|
if (man) |
|
man_reset(man); |
|
if (mdoc && ! mdoc_reset(mdoc)) { |
|
warnx("memory exhausted"); |
|
break; |
|
} |
} |
|
|
|
if (resp == NULL) |
|
parse(&curp, fd, *argv); |
|
else if (resp->form == FORM_SRC) { |
|
/* For .so only; ignore failure. */ |
|
chdir(conf.manpath.paths[resp->ipath]); |
|
parse(&curp, fd, resp->file); |
|
} else |
|
passthrough(resp->file, fd, |
|
conf.output.synopsisonly); |
|
|
|
if (argc > 1 && curp.outtype <= OUTT_UTF8) { |
|
if (curp.outdata == NULL) |
|
outdata_alloc(&curp); |
|
terminal_sepline(curp.outdata); |
|
} |
|
} else if (rc < MANDOCLEVEL_ERROR) |
|
rc = MANDOCLEVEL_ERROR; |
|
|
|
if (MANDOCLEVEL_OK != rc && curp.wstop) |
|
break; |
|
|
|
if (resp != NULL) |
|
resp++; |
|
else |
argv++; |
argv++; |
|
if (--argc) |
|
mparse_reset(curp.mp); |
|
} |
|
|
|
if (curp.outdata != NULL) { |
|
switch (curp.outtype) { |
|
case OUTT_HTML: |
|
html_free(curp.outdata); |
|
break; |
|
case OUTT_UTF8: |
|
case OUTT_LOCALE: |
|
case OUTT_ASCII: |
|
ascii_free(curp.outdata); |
|
break; |
|
case OUTT_PDF: |
|
case OUTT_PS: |
|
pspdf_free(curp.outdata); |
|
break; |
|
default: |
|
break; |
} |
} |
rc = NULL == *argv; |
|
} |
} |
|
mparse_free(curp.mp); |
|
mchars_free(); |
|
|
if (blk.buf) |
out: |
free(blk.buf); |
if (search.argmode != ARG_FILE) { |
if (ln.buf) |
manconf_free(&conf); |
free(ln.buf); |
mansearch_free(res, sz); |
if (outfree) |
} |
(*outfree)(outdata); |
|
if (mdoc) |
|
mdoc_free(mdoc); |
|
if (man) |
|
man_free(man); |
|
|
|
return(rc ? EXIT_SUCCESS : EXIT_FAILURE); |
free(defos); |
} |
|
|
|
|
/* |
|
* When using a pager, finish writing both temporary files, |
|
* fork it, wait for the user to close it, and clean up. |
|
*/ |
|
|
__dead static void |
if (tag_files != NULL) { |
version(void) |
fclose(stdout); |
{ |
tag_write(); |
|
man_pgid = getpgid(0); |
|
tag_files->tcpgid = man_pgid == getpid() ? |
|
getpgid(getppid()) : man_pgid; |
|
pager_pid = 0; |
|
signum = SIGSTOP; |
|
for (;;) { |
|
|
(void)printf("%s %s\n", __progname, VERSION); |
/* Stop here until moved to the foreground. */ |
exit(EXIT_SUCCESS); |
|
} |
|
|
|
|
tc_pgid = tcgetpgrp(tag_files->ofd); |
|
if (tc_pgid != man_pgid) { |
|
if (tc_pgid == pager_pid) { |
|
(void)tcsetpgrp(tag_files->ofd, |
|
man_pgid); |
|
if (signum == SIGTTIN) |
|
continue; |
|
} else |
|
tag_files->tcpgid = tc_pgid; |
|
kill(0, signum); |
|
continue; |
|
} |
|
|
__dead static void |
/* Once in the foreground, activate the pager. */ |
usage(void) |
|
{ |
|
|
|
(void)fprintf(stderr, "usage: %s [-V] [-foption...] " |
if (pager_pid) { |
"[-mformat] [-Toutput] [-Werr...]\n", |
(void)tcsetpgrp(tag_files->ofd, pager_pid); |
__progname); |
kill(pager_pid, SIGCONT); |
exit(EXIT_FAILURE); |
} else |
|
pager_pid = spawn_pager(tag_files); |
|
|
|
/* Wait for the pager to stop or exit. */ |
|
|
|
while ((pid = waitpid(pager_pid, &status, |
|
WUNTRACED)) == -1 && errno == EINTR) |
|
continue; |
|
|
|
if (pid == -1) { |
|
warn("wait"); |
|
rc = MANDOCLEVEL_SYSERR; |
|
break; |
|
} |
|
if (!WIFSTOPPED(status)) |
|
break; |
|
|
|
signum = WSTOPSIG(status); |
|
} |
|
tag_unlink(); |
|
} |
|
|
|
return (int)rc; |
} |
} |
|
|
|
static void |
|
usage(enum argmode argmode) |
|
{ |
|
|
|
switch (argmode) { |
|
case ARG_FILE: |
|
fputs("usage: mandoc [-acfhkl] [-I os=name] " |
|
"[-K encoding] [-mformat] [-O option]\n" |
|
"\t [-T output] [-W level] [file ...]\n", stderr); |
|
break; |
|
case ARG_NAME: |
|
fputs("usage: man [-acfhklw] [-C file] [-I os=name] " |
|
"[-K encoding] [-M path] [-m path]\n" |
|
"\t [-O option=value] [-S subsection] [-s section] " |
|
"[-T output] [-W level]\n" |
|
"\t [section] name ...\n", stderr); |
|
break; |
|
case ARG_WORD: |
|
fputs("usage: whatis [-acfhklw] [-C file] " |
|
"[-M path] [-m path] [-O outkey] [-S arch]\n" |
|
"\t [-s section] name ...\n", stderr); |
|
break; |
|
case ARG_EXPR: |
|
fputs("usage: apropos [-acfhklw] [-C file] " |
|
"[-M path] [-m path] [-O outkey] [-S arch]\n" |
|
"\t [-s section] expression ...\n", stderr); |
|
break; |
|
} |
|
exit((int)MANDOCLEVEL_BADARG); |
|
} |
|
|
static int |
static int |
file(struct buf *blk, struct buf *ln, const char *file, |
fs_lookup(const struct manpaths *paths, size_t ipath, |
struct man *man, struct mdoc *mdoc) |
const char *sec, const char *arch, const char *name, |
|
struct manpage **res, size_t *ressz) |
{ |
{ |
int fd, c; |
glob_t globinfo; |
|
struct manpage *page; |
|
char *file; |
|
int globres; |
|
enum form form; |
|
|
if (-1 == (fd = open(file, O_RDONLY, 0))) { |
form = FORM_SRC; |
warn("%s", file); |
mandoc_asprintf(&file, "%s/man%s/%s.%s", |
return(0); |
paths->paths[ipath], sec, name, sec); |
|
if (access(file, R_OK) != -1) |
|
goto found; |
|
free(file); |
|
|
|
mandoc_asprintf(&file, "%s/cat%s/%s.0", |
|
paths->paths[ipath], sec, name); |
|
if (access(file, R_OK) != -1) { |
|
form = FORM_CAT; |
|
goto found; |
} |
} |
|
free(file); |
|
|
c = fdesc(blk, ln, file, fd, man, mdoc); |
if (arch != NULL) { |
|
mandoc_asprintf(&file, "%s/man%s/%s/%s.%s", |
|
paths->paths[ipath], sec, arch, name, sec); |
|
if (access(file, R_OK) != -1) |
|
goto found; |
|
free(file); |
|
} |
|
|
if (-1 == close(fd)) |
mandoc_asprintf(&file, "%s/man%s/%s.[01-9]*", |
warn("%s", file); |
paths->paths[ipath], sec, name); |
|
globres = glob(file, 0, NULL, &globinfo); |
|
if (globres != 0 && globres != GLOB_NOMATCH) |
|
warn("%s: glob", file); |
|
free(file); |
|
if (globres == 0) |
|
file = mandoc_strdup(*globinfo.gl_pathv); |
|
globfree(&globinfo); |
|
if (globres != 0) |
|
return 0; |
|
|
return(c); |
found: |
|
warnx("outdated mandoc.db lacks %s(%s) entry, run %s %s", |
|
name, sec, BINM_MAKEWHATIS, paths->paths[ipath]); |
|
*res = mandoc_reallocarray(*res, ++*ressz, sizeof(struct manpage)); |
|
page = *res + (*ressz - 1); |
|
page->file = file; |
|
page->names = NULL; |
|
page->output = NULL; |
|
page->ipath = ipath; |
|
page->bits = NAME_FILE & NAME_MASK; |
|
page->sec = (*sec >= '1' && *sec <= '9') ? *sec - '1' + 1 : 10; |
|
page->form = form; |
|
return 1; |
} |
} |
|
|
|
static void |
|
fs_search(const struct mansearch *cfg, const struct manpaths *paths, |
|
int argc, char **argv, struct manpage **res, size_t *ressz) |
|
{ |
|
const char *const sections[] = |
|
{"1", "8", "6", "2", "3", "5", "7", "4", "9", "3p"}; |
|
const size_t nsec = sizeof(sections)/sizeof(sections[0]); |
|
|
static int |
size_t ipath, isec, lastsz; |
fdesc(struct buf *blk, struct buf *ln, |
|
const char *f, int fd, |
assert(cfg->argmode == ARG_NAME); |
struct man *man, struct mdoc *mdoc) |
|
|
*res = NULL; |
|
*ressz = lastsz = 0; |
|
while (argc) { |
|
for (ipath = 0; ipath < paths->sz; ipath++) { |
|
if (cfg->sec != NULL) { |
|
if (fs_lookup(paths, ipath, cfg->sec, |
|
cfg->arch, *argv, res, ressz) && |
|
cfg->firstmatch) |
|
return; |
|
} else for (isec = 0; isec < nsec; isec++) |
|
if (fs_lookup(paths, ipath, sections[isec], |
|
cfg->arch, *argv, res, ressz) && |
|
cfg->firstmatch) |
|
return; |
|
} |
|
if (*ressz == lastsz) |
|
warnx("No entry for %s in the manual.", *argv); |
|
lastsz = *ressz; |
|
argv++; |
|
argc--; |
|
} |
|
} |
|
|
|
static void |
|
parse(struct curparse *curp, int fd, const char *file) |
{ |
{ |
size_t sz; |
enum mandoclevel rctmp; |
ssize_t ssz; |
struct roff_man *man; |
struct stat st; |
|
int j, i, pos, lnn; |
|
|
|
assert( ! (man && mdoc)); |
/* Begin by parsing the file itself. */ |
|
|
|
assert(file); |
|
assert(fd >= 0); |
|
|
|
rctmp = mparse_readfd(curp->mp, fd, file); |
|
if (fd != STDIN_FILENO) |
|
close(fd); |
|
if (rc < rctmp) |
|
rc = rctmp; |
|
|
/* |
/* |
* Two buffers: ln and buf. buf is the input buffer, optimised |
* With -Wstop and warnings or errors of at least the requested |
* for each file's block size. ln is a line buffer. Both |
* level, do not produce output. |
* growable, hence passed in by ptr-ptr. |
|
*/ |
*/ |
|
|
sz = BUFSIZ; |
if (rctmp != MANDOCLEVEL_OK && curp->wstop) |
|
return; |
|
|
if (-1 == fstat(fd, &st)) |
if (curp->outdata == NULL) |
warnx("%s", f); |
outdata_alloc(curp); |
else if ((size_t)st.st_blksize > sz) |
|
sz = st.st_blksize; |
|
|
|
if (sz > blk->sz) { |
mparse_result(curp->mp, &man, NULL); |
blk->buf = realloc(blk->buf, sz); |
|
if (NULL == blk->buf) |
|
err(1, "realloc"); |
|
blk->sz = sz; |
|
} |
|
|
|
/* |
/* Execute the out device, if it exists. */ |
* Fill buf with file blocksize and parse newlines into ln. |
|
*/ |
|
|
|
for (lnn = 1, pos = 0; ; ) { |
if (man == NULL) |
if (-1 == (ssz = read(fd, blk->buf, sz))) { |
return; |
warn("%s", f); |
if (man->macroset == MACROSET_MDOC) { |
return(0); |
if (curp->outtype != OUTT_TREE || !curp->outopts->noval) |
} else if (0 == ssz) |
mdoc_validate(man); |
|
switch (curp->outtype) { |
|
case OUTT_HTML: |
|
html_mdoc(curp->outdata, man); |
break; |
break; |
|
case OUTT_TREE: |
|
tree_mdoc(curp->outdata, man); |
|
break; |
|
case OUTT_MAN: |
|
man_mdoc(curp->outdata, man); |
|
break; |
|
case OUTT_PDF: |
|
case OUTT_ASCII: |
|
case OUTT_UTF8: |
|
case OUTT_LOCALE: |
|
case OUTT_PS: |
|
terminal_mdoc(curp->outdata, man); |
|
break; |
|
default: |
|
break; |
|
} |
|
} |
|
if (man->macroset == MACROSET_MAN) { |
|
if (curp->outtype != OUTT_TREE || !curp->outopts->noval) |
|
man_validate(man); |
|
switch (curp->outtype) { |
|
case OUTT_HTML: |
|
html_man(curp->outdata, man); |
|
break; |
|
case OUTT_TREE: |
|
tree_man(curp->outdata, man); |
|
break; |
|
case OUTT_MAN: |
|
man_man(curp->outdata, man); |
|
break; |
|
case OUTT_PDF: |
|
case OUTT_ASCII: |
|
case OUTT_UTF8: |
|
case OUTT_LOCALE: |
|
case OUTT_PS: |
|
terminal_man(curp->outdata, man); |
|
break; |
|
default: |
|
break; |
|
} |
|
} |
|
mparse_updaterc(curp->mp, &rc); |
|
} |
|
|
for (i = 0; i < (int)ssz; i++) { |
static void |
if (pos >= (int)ln->sz) { |
outdata_alloc(struct curparse *curp) |
ln->sz += 256; /* Step-size. */ |
{ |
ln->buf = realloc(ln->buf, ln->sz); |
switch (curp->outtype) { |
if (NULL == ln->buf) |
case OUTT_HTML: |
err(1, "realloc"); |
curp->outdata = html_alloc(curp->outopts); |
} |
break; |
|
case OUTT_UTF8: |
|
curp->outdata = utf8_alloc(curp->outopts); |
|
break; |
|
case OUTT_LOCALE: |
|
curp->outdata = locale_alloc(curp->outopts); |
|
break; |
|
case OUTT_ASCII: |
|
curp->outdata = ascii_alloc(curp->outopts); |
|
break; |
|
case OUTT_PDF: |
|
curp->outdata = pdf_alloc(curp->outopts); |
|
break; |
|
case OUTT_PS: |
|
curp->outdata = ps_alloc(curp->outopts); |
|
break; |
|
default: |
|
break; |
|
} |
|
} |
|
|
if ('\n' != blk->buf[i]) { |
static void |
ln->buf[pos++] = blk->buf[i]; |
passthrough(const char *file, int fd, int synopsis_only) |
continue; |
{ |
} |
const char synb[] = "S\bSY\bYN\bNO\bOP\bPS\bSI\bIS\bS"; |
|
const char synr[] = "SYNOPSIS"; |
|
|
/* Check for CPP-escaped newline. */ |
FILE *stream; |
|
const char *syscall; |
|
char *line, *cp; |
|
size_t linesz; |
|
ssize_t len, written; |
|
int print; |
|
|
if (pos > 0 && '\\' == ln->buf[pos - 1]) { |
line = NULL; |
for (j = pos - 1; j >= 0; j--) |
linesz = 0; |
if ('\\' != ln->buf[j]) |
|
break; |
|
|
|
if ( ! ((pos - j) % 2)) { |
if (fflush(stdout) == EOF) { |
pos--; |
syscall = "fflush"; |
lnn++; |
goto fail; |
continue; |
} |
|
|
|
if ((stream = fdopen(fd, "r")) == NULL) { |
|
close(fd); |
|
syscall = "fdopen"; |
|
goto fail; |
|
} |
|
|
|
print = 0; |
|
while ((len = getline(&line, &linesz, stream)) != -1) { |
|
cp = line; |
|
if (synopsis_only) { |
|
if (print) { |
|
if ( ! isspace((unsigned char)*cp)) |
|
goto done; |
|
while (isspace((unsigned char)*cp)) { |
|
cp++; |
|
len--; |
} |
} |
|
} else { |
|
if (strcmp(cp, synb) == 0 || |
|
strcmp(cp, synr) == 0) |
|
print = 1; |
|
continue; |
} |
} |
|
|
ln->buf[pos] = 0; |
|
if (mdoc && ! mdoc_parseln(mdoc, lnn, ln->buf)) |
|
return(0); |
|
if (man && ! man_parseln(man, lnn, ln->buf)) |
|
return(0); |
|
lnn++; |
|
pos = 0; |
|
} |
} |
|
for (; len > 0; len -= written) { |
|
if ((written = write(STDOUT_FILENO, cp, len)) != -1) |
|
continue; |
|
fclose(stream); |
|
syscall = "write"; |
|
goto fail; |
|
} |
} |
} |
|
|
if (mdoc) |
if (ferror(stream)) { |
return(mdoc_endparse(mdoc)); |
fclose(stream); |
|
syscall = "getline"; |
|
goto fail; |
|
} |
|
|
return(man_endparse(man)); |
done: |
|
free(line); |
|
fclose(stream); |
|
return; |
|
|
|
fail: |
|
free(line); |
|
warn("%s: SYSERR: %s", file, syscall); |
|
if (rc < MANDOCLEVEL_SYSERR) |
|
rc = MANDOCLEVEL_SYSERR; |
} |
} |
|
|
|
static int |
|
koptions(int *options, char *arg) |
|
{ |
|
|
|
if ( ! strcmp(arg, "utf-8")) { |
|
*options |= MPARSE_UTF8; |
|
*options &= ~MPARSE_LATIN1; |
|
} else if ( ! strcmp(arg, "iso-8859-1")) { |
|
*options |= MPARSE_LATIN1; |
|
*options &= ~MPARSE_UTF8; |
|
} else if ( ! strcmp(arg, "us-ascii")) { |
|
*options &= ~(MPARSE_UTF8 | MPARSE_LATIN1); |
|
} else { |
|
warnx("-K %s: Bad argument", arg); |
|
return 0; |
|
} |
|
return 1; |
|
} |
|
|
static int |
static int |
moptions(enum intt *tflags, char *arg) |
moptions(int *options, char *arg) |
{ |
{ |
|
|
if (0 == strcmp(arg, "doc")) |
if (arg == NULL) |
*tflags = INTT_MDOC; |
/* nothing to do */; |
|
else if (0 == strcmp(arg, "doc")) |
|
*options |= MPARSE_MDOC; |
|
else if (0 == strcmp(arg, "andoc")) |
|
/* nothing to do */; |
else if (0 == strcmp(arg, "an")) |
else if (0 == strcmp(arg, "an")) |
*tflags = INTT_MAN; |
*options |= MPARSE_MAN; |
else { |
else { |
warnx("bad argument: -m%s", arg); |
warnx("-m %s: Bad argument", arg); |
return(0); |
return 0; |
} |
} |
|
|
return(1); |
return 1; |
} |
} |
|
|
|
|
static int |
static int |
toptions(enum outt *tflags, char *arg) |
toptions(struct curparse *curp, char *arg) |
{ |
{ |
|
|
if (0 == strcmp(arg, "ascii")) |
if (0 == strcmp(arg, "ascii")) |
*tflags = OUTT_ASCII; |
curp->outtype = OUTT_ASCII; |
else if (0 == strcmp(arg, "lint")) |
else if (0 == strcmp(arg, "lint")) { |
*tflags = OUTT_LINT; |
curp->outtype = OUTT_LINT; |
else if (0 == strcmp(arg, "tree")) |
curp->wlevel = MANDOCLEVEL_WARNING; |
*tflags = OUTT_TREE; |
} else if (0 == strcmp(arg, "tree")) |
|
curp->outtype = OUTT_TREE; |
|
else if (0 == strcmp(arg, "man")) |
|
curp->outtype = OUTT_MAN; |
|
else if (0 == strcmp(arg, "html")) |
|
curp->outtype = OUTT_HTML; |
|
else if (0 == strcmp(arg, "utf8")) |
|
curp->outtype = OUTT_UTF8; |
|
else if (0 == strcmp(arg, "locale")) |
|
curp->outtype = OUTT_LOCALE; |
|
else if (0 == strcmp(arg, "xhtml")) |
|
curp->outtype = OUTT_HTML; |
|
else if (0 == strcmp(arg, "ps")) |
|
curp->outtype = OUTT_PS; |
|
else if (0 == strcmp(arg, "pdf")) |
|
curp->outtype = OUTT_PDF; |
else { |
else { |
warnx("bad argument: -T%s", arg); |
warnx("-T %s: Bad argument", arg); |
return(0); |
return 0; |
} |
} |
|
|
return(1); |
return 1; |
} |
} |
|
|
|
|
/* |
|
* Parse out the options for [-fopt...] setting compiler options. These |
|
* can be comma-delimited or called again. |
|
*/ |
|
static int |
static int |
foptions(int *fflags, char *arg) |
woptions(struct curparse *curp, char *arg) |
{ |
{ |
char *v; |
char *v, *o; |
char *toks[4]; |
const char *toks[7]; |
|
|
toks[0] = "ign-scope"; |
toks[0] = "stop"; |
toks[1] = "ign-escape"; |
toks[1] = "all"; |
toks[2] = "ign-macro"; |
toks[2] = "warning"; |
toks[3] = NULL; |
toks[3] = "error"; |
|
toks[4] = "unsupp"; |
|
toks[5] = "fatal"; |
|
toks[6] = NULL; |
|
|
while (*arg) |
while (*arg) { |
switch (getsubopt(&arg, toks, &v)) { |
o = arg; |
case (0): |
switch (getsubopt(&arg, (char * const *)toks, &v)) { |
*fflags |= IGN_SCOPE; |
case 0: |
|
curp->wstop = 1; |
break; |
break; |
case (1): |
case 1: |
*fflags |= IGN_ESCAPE; |
case 2: |
|
curp->wlevel = MANDOCLEVEL_WARNING; |
break; |
break; |
case (2): |
case 3: |
*fflags |= IGN_MACRO; |
curp->wlevel = MANDOCLEVEL_ERROR; |
break; |
break; |
|
case 4: |
|
curp->wlevel = MANDOCLEVEL_UNSUPP; |
|
break; |
|
case 5: |
|
curp->wlevel = MANDOCLEVEL_BADARG; |
|
break; |
default: |
default: |
warnx("bad argument: -f%s", arg); |
warnx("-W %s: Bad argument", o); |
return(0); |
return 0; |
} |
} |
|
} |
|
|
return(1); |
return 1; |
} |
} |
|
|
|
static void |
/* |
mmsg(enum mandocerr t, enum mandoclevel lvl, |
* Parse out the options for [-Werr...], which sets warning modes. |
const char *file, int line, int col, const char *msg) |
* These can be comma-delimited or called again. |
|
*/ |
|
static int |
|
woptions(int *wflags, char *arg) |
|
{ |
{ |
char *v; |
const char *mparse_msg; |
char *toks[5]; |
|
|
|
toks[0] = "all"; |
fprintf(stderr, "%s: %s:", getprogname(), |
toks[1] = "compat"; |
file == NULL ? "<stdin>" : file); |
toks[2] = "syntax"; |
|
toks[3] = "error"; |
|
toks[4] = NULL; |
|
|
|
while (*arg) |
if (line) |
switch (getsubopt(&arg, toks, &v)) { |
fprintf(stderr, "%d:%d:", line, col + 1); |
case (0): |
|
*wflags |= WARN_WALL; |
|
break; |
|
case (1): |
|
*wflags |= WARN_WCOMPAT; |
|
break; |
|
case (2): |
|
*wflags |= WARN_WSYNTAX; |
|
break; |
|
case (3): |
|
*wflags |= WARN_WERR; |
|
break; |
|
default: |
|
warnx("bad argument: -W%s", arg); |
|
return(0); |
|
} |
|
|
|
return(1); |
fprintf(stderr, " %s", mparse_strlevel(lvl)); |
} |
|
|
|
|
if (NULL != (mparse_msg = mparse_strerror(t))) |
|
fprintf(stderr, ": %s", mparse_msg); |
|
|
/* ARGSUSED */ |
if (msg) |
static int |
fprintf(stderr, ": %s", msg); |
merr(void *arg, int line, int col, const char *msg) |
|
{ |
|
struct curparse *curp; |
|
|
|
curp = (struct curparse *)arg; |
fputc('\n', stderr); |
|
|
warnx("%s:%d: error: %s (column %d)", |
|
curp->file, line, msg, col); |
|
return(0); |
|
} |
} |
|
|
|
static pid_t |
static int |
spawn_pager(struct tag_files *tag_files) |
mdocwarn(void *arg, int line, int col, |
|
enum mdoc_warn type, const char *msg) |
|
{ |
{ |
struct curparse *curp; |
const struct timespec timeout = { 0, 100000000 }; /* 0.1s */ |
char *wtype; |
#define MAX_PAGER_ARGS 16 |
|
char *argv[MAX_PAGER_ARGS]; |
|
const char *pager; |
|
char *cp; |
|
size_t cmdlen; |
|
int argc; |
|
pid_t pager_pid; |
|
|
curp = (struct curparse *)arg; |
pager = getenv("MANPAGER"); |
wtype = NULL; |
if (pager == NULL || *pager == '\0') |
|
pager = getenv("PAGER"); |
|
if (pager == NULL || *pager == '\0') |
|
pager = "more -s"; |
|
cp = mandoc_strdup(pager); |
|
|
switch (type) { |
/* |
case (WARN_COMPAT): |
* Parse the pager command into words. |
wtype = "compat"; |
* Intentionally do not do anything fancy here. |
if (curp->wflags & WARN_WCOMPAT) |
*/ |
|
|
|
argc = 0; |
|
while (argc + 4 < MAX_PAGER_ARGS) { |
|
argv[argc++] = cp; |
|
cp = strchr(cp, ' '); |
|
if (cp == NULL) |
break; |
break; |
return(1); |
*cp++ = '\0'; |
case (WARN_SYNTAX): |
while (*cp == ' ') |
wtype = "syntax"; |
cp++; |
if (curp->wflags & WARN_WSYNTAX) |
if (*cp == '\0') |
break; |
break; |
return(1); |
|
} |
} |
|
|
assert(wtype); |
/* For less(1), use the tag file. */ |
warnx("%s:%d: %s warning: %s (column %d)", |
|
curp->file, line, wtype, msg, col); |
|
|
|
if ( ! (curp->wflags & WARN_WERR)) |
if ((cmdlen = strlen(argv[0])) >= 4) { |
return(1); |
cp = argv[0] + cmdlen - 4; |
|
if (strcmp(cp, "less") == 0) { |
|
argv[argc++] = mandoc_strdup("-T"); |
|
argv[argc++] = tag_files->tfn; |
|
} |
|
} |
|
argv[argc++] = tag_files->ofn; |
|
argv[argc] = NULL; |
|
|
warnx("%s: considering warnings as errors", |
switch (pager_pid = fork()) { |
__progname); |
case -1: |
return(0); |
err((int)MANDOCLEVEL_SYSERR, "fork"); |
} |
case 0: |
|
break; |
|
default: |
|
(void)setpgid(pager_pid, 0); |
|
(void)tcsetpgrp(tag_files->ofd, pager_pid); |
|
#if HAVE_PLEDGE |
|
if (pledge("stdio rpath tmppath tty proc", NULL) == -1) |
|
err((int)MANDOCLEVEL_SYSERR, "pledge"); |
|
#endif |
|
tag_files->pager_pid = pager_pid; |
|
return pager_pid; |
|
} |
|
|
|
/* The child process becomes the pager. */ |
|
|
static int |
if (dup2(tag_files->ofd, STDOUT_FILENO) == -1) |
manwarn(void *arg, int line, int col, const char *msg) |
err((int)MANDOCLEVEL_SYSERR, "pager stdout"); |
{ |
close(tag_files->ofd); |
struct curparse *curp; |
close(tag_files->tfd); |
|
|
curp = (struct curparse *)arg; |
/* Do not start the pager before controlling the terminal. */ |
|
|
if ( ! (curp->wflags & WARN_WSYNTAX)) |
while (tcgetpgrp(STDOUT_FILENO) != getpid()) |
return(1); |
nanosleep(&timeout, NULL); |
|
|
warnx("%s:%d: syntax warning: %s (column %d)", |
execvp(argv[0], argv); |
curp->file, line, msg, col); |
err((int)MANDOCLEVEL_SYSERR, "exec %s", argv[0]); |
|
|
if ( ! (curp->wflags & WARN_WERR)) |
|
return(1); |
|
|
|
warnx("%s: considering warnings as errors", |
|
__progname); |
|
return(0); |
|
} |
} |