version 1.200, 2014/11/26 21:40:17 |
version 1.263, 2016/01/16 22:30:33 |
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/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2010, 2011, 2012, 2014 Ingo Schwarze <schwarze@openbsd.org> |
* Copyright (c) 2010-2012, 2014-2016 Ingo Schwarze <schwarze@openbsd.org> |
* Copyright (c) 2010 Joerg Sonnenberger <joerg@netbsd.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 above |
* purpose with or without fee is hereby granted, provided that the above |
* copyright notice and this permission notice appear in all copies. |
* copyright notice and this permission notice appear in all copies. |
* |
* |
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES |
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR |
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
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#include "config.h" |
#include "config.h" |
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#include <sys/types.h> |
#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> |
#include <ctype.h> |
#include <ctype.h> |
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#if HAVE_ERR |
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#include <err.h> |
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#endif |
#include <errno.h> |
#include <errno.h> |
#include <fcntl.h> |
#include <fcntl.h> |
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#include <glob.h> |
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#include <signal.h> |
#include <stdio.h> |
#include <stdio.h> |
#include <stdint.h> |
#include <stdint.h> |
#include <stdlib.h> |
#include <stdlib.h> |
#include <string.h> |
#include <string.h> |
#include <unistd.h> |
#include <unistd.h> |
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#include "mandoc.h" |
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#include "mandoc_aux.h" |
#include "mandoc_aux.h" |
#include "main.h" |
#include "mandoc.h" |
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#include "roff.h" |
#include "mdoc.h" |
#include "mdoc.h" |
#include "man.h" |
#include "man.h" |
#include "manpath.h" |
#include "tag.h" |
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#include "main.h" |
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#include "manconf.h" |
#include "mansearch.h" |
#include "mansearch.h" |
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#if !defined(__GNUC__) || (__GNUC__ < 2) |
#if !defined(__GNUC__) || (__GNUC__ < 2) |
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OUTMODE_ONE |
OUTMODE_ONE |
}; |
}; |
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typedef void (*out_mdoc)(void *, const struct mdoc *); |
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typedef void (*out_man)(void *, const struct man *); |
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typedef void (*out_free)(void *); |
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enum outt { |
enum outt { |
OUTT_ASCII = 0, /* -Tascii */ |
OUTT_ASCII = 0, /* -Tascii */ |
OUTT_LOCALE, /* -Tlocale */ |
OUTT_LOCALE, /* -Tlocale */ |
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struct curparse { |
struct curparse { |
struct mparse *mp; |
struct mparse *mp; |
struct mchars *mchars; /* character table */ |
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enum mandoclevel wlevel; /* ignore messages below this */ |
enum mandoclevel wlevel; /* ignore messages below this */ |
int wstop; /* stop after a file with a warning */ |
int wstop; /* stop after a file with a warning */ |
enum outt outtype; /* which output to use */ |
enum outt outtype; /* which output to use */ |
out_mdoc outmdoc; /* mdoc output ptr */ |
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out_man outman; /* man output ptr */ |
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out_free outfree; /* free output ptr */ |
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void *outdata; /* data for output */ |
void *outdata; /* data for output */ |
char outopts[BUFSIZ]; /* buf of output opts */ |
struct manoutput *outopts; /* output options */ |
}; |
}; |
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static int fs_lookup(const struct manpaths *, |
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size_t ipath, const char *, |
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const char *, const char *, |
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struct manpage **, size_t *); |
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static void fs_search(const struct mansearch *, |
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const struct manpaths *, int, char**, |
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struct manpage **, size_t *); |
static int koptions(int *, char *); |
static int koptions(int *, char *); |
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#if HAVE_SQLITE3 |
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int mandocdb(int, char**); |
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#endif |
static int moptions(int *, char *); |
static int moptions(int *, char *); |
static void mmsg(enum mandocerr, enum mandoclevel, |
static void mmsg(enum mandocerr, enum mandoclevel, |
const char *, int, int, const char *); |
const char *, int, int, const char *); |
static void parse(struct curparse *, int, |
static void parse(struct curparse *, int, const char *); |
const char *, enum mandoclevel *); |
static void passthrough(const char *, int, int); |
static enum mandoclevel passthrough(const char *, int, int); |
static pid_t spawn_pager(struct tag_files *); |
static void spawn_pager(void); |
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static int toptions(struct curparse *, char *); |
static int toptions(struct curparse *, char *); |
static void usage(enum argmode) __attribute__((noreturn)); |
static void usage(enum argmode) __attribute__((noreturn)); |
static void version(void) __attribute__((noreturn)); |
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static int woptions(struct curparse *, char *); |
static int woptions(struct curparse *, char *); |
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static const int sec_prios[] = {1, 4, 5, 8, 6, 3, 7, 2, 9}; |
static const int sec_prios[] = {1, 4, 5, 8, 6, 3, 7, 2, 9}; |
static const char *progname; |
static char help_arg[] = "help"; |
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static char *help_argv[] = {help_arg, NULL}; |
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static enum mandoclevel rc; |
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int |
int |
main(int argc, char *argv[]) |
main(int argc, char *argv[]) |
{ |
{ |
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struct manconf conf; |
struct curparse curp; |
struct curparse curp; |
struct mansearch search; |
struct mansearch search; |
struct manpaths paths; |
struct tag_files *tag_files; |
char *conf_file, *defpaths, *auxpaths; |
const char *progname; |
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char *auxpaths; |
char *defos; |
char *defos; |
#if HAVE_SQLITE3 |
unsigned char *uc; |
struct manpage *res, *resp; |
struct manpage *res, *resp; |
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char *conf_file, *defpaths; |
size_t isec, i, sz; |
size_t isec, i, sz; |
int prio, best_prio; |
int prio, best_prio; |
char sec; |
char sec; |
#endif |
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enum mandoclevel rc; |
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enum outmode outmode; |
enum outmode outmode; |
int fd; |
int fd; |
int show_usage; |
int show_usage; |
int use_pager; |
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int synopsis_only; |
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int options; |
int options; |
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int use_pager; |
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int status, signum; |
int c; |
int c; |
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pid_t pager_pid, tc_pgid, man_pgid, pid; |
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progname = strrchr(argv[0], '/'); |
#if HAVE_PROGNAME |
if (progname == NULL) |
progname = getprogname(); |
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#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) |
progname = argv[0]; |
progname = argv[0]; |
else |
else |
++progname; |
++progname; |
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setprogname(progname); |
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#endif |
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#if HAVE_SQLITE3 |
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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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#endif |
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#if HAVE_PLEDGE |
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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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/* Search options. */ |
/* Search options. */ |
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memset(&paths, 0, sizeof(struct manpaths)); |
memset(&conf, 0, sizeof(conf)); |
conf_file = defpaths = auxpaths = NULL; |
conf_file = defpaths = NULL; |
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auxpaths = NULL; |
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memset(&search, 0, sizeof(struct mansearch)); |
memset(&search, 0, sizeof(struct mansearch)); |
search.outkey = "Nd"; |
search.outkey = "Nd"; |
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if (strcmp(progname, "man") == 0) |
if (strcmp(progname, BINM_MAN) == 0) |
search.argmode = ARG_NAME; |
search.argmode = ARG_NAME; |
else if (strncmp(progname, "apropos", 7) == 0) |
else if (strcmp(progname, BINM_APROPOS) == 0) |
search.argmode = ARG_EXPR; |
search.argmode = ARG_EXPR; |
else if (strncmp(progname, "whatis", 6) == 0) |
else if (strcmp(progname, BINM_WHATIS) == 0) |
search.argmode = ARG_WORD; |
search.argmode = ARG_WORD; |
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else if (strncmp(progname, "help", 4) == 0) |
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search.argmode = ARG_NAME; |
else |
else |
search.argmode = ARG_FILE; |
search.argmode = ARG_FILE; |
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/* Parser and formatter options. */ |
/* Parser and formatter options. */ |
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memset(&curp, 0, sizeof(struct curparse)); |
memset(&curp, 0, sizeof(struct curparse)); |
curp.outtype = OUTT_ASCII; |
curp.outtype = OUTT_LOCALE; |
curp.wlevel = MANDOCLEVEL_FATAL; |
curp.wlevel = MANDOCLEVEL_BADARG; |
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curp.outopts = &conf.output; |
options = MPARSE_SO | MPARSE_UTF8 | MPARSE_LATIN1; |
options = MPARSE_SO | MPARSE_UTF8 | MPARSE_LATIN1; |
defos = NULL; |
defos = NULL; |
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use_pager = 1; |
use_pager = 1; |
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tag_files = NULL; |
show_usage = 0; |
show_usage = 0; |
synopsis_only = 0; |
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outmode = OUTMODE_DEF; |
outmode = OUTMODE_DEF; |
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while (-1 != (c = getopt(argc, argv, |
while (-1 != (c = getopt(argc, argv, |
Line 174 main(int argc, char *argv[]) |
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Line 208 main(int argc, char *argv[]) |
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search.argmode = ARG_WORD; |
search.argmode = ARG_WORD; |
break; |
break; |
case 'h': |
case 'h': |
(void)strlcat(curp.outopts, "synopsis,", BUFSIZ); |
conf.output.synopsisonly = 1; |
synopsis_only = 1; |
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use_pager = 0; |
use_pager = 0; |
outmode = OUTMODE_ALL; |
outmode = OUTMODE_ALL; |
break; |
break; |
case 'I': |
case 'I': |
if (strncmp(optarg, "os=", 3)) { |
if (strncmp(optarg, "os=", 3)) { |
fprintf(stderr, |
warnx("-I %s: Bad argument", optarg); |
"%s: -I%s: Bad argument\n", |
return (int)MANDOCLEVEL_BADARG; |
progname, optarg); |
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return((int)MANDOCLEVEL_BADARG); |
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} |
} |
if (defos) { |
if (defos) { |
fprintf(stderr, |
warnx("-I %s: Duplicate argument", optarg); |
"%s: -I%s: Duplicate argument\n", |
return (int)MANDOCLEVEL_BADARG; |
progname, optarg); |
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return((int)MANDOCLEVEL_BADARG); |
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} |
} |
defos = mandoc_strdup(optarg + 3); |
defos = mandoc_strdup(optarg + 3); |
break; |
break; |
Line 199 main(int argc, char *argv[]) |
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Line 228 main(int argc, char *argv[]) |
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break; |
break; |
case 'K': |
case 'K': |
if ( ! koptions(&options, optarg)) |
if ( ! koptions(&options, optarg)) |
return((int)MANDOCLEVEL_BADARG); |
return (int)MANDOCLEVEL_BADARG; |
break; |
break; |
case 'k': |
case 'k': |
search.argmode = ARG_EXPR; |
search.argmode = ARG_EXPR; |
Line 216 main(int argc, char *argv[]) |
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Line 245 main(int argc, char *argv[]) |
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break; |
break; |
case 'O': |
case 'O': |
search.outkey = optarg; |
search.outkey = optarg; |
(void)strlcat(curp.outopts, optarg, BUFSIZ); |
while (optarg != NULL) |
(void)strlcat(curp.outopts, ",", BUFSIZ); |
manconf_output(&conf.output, |
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strsep(&optarg, ",")); |
break; |
break; |
case 'S': |
case 'S': |
search.arch = optarg; |
search.arch = optarg; |
Line 227 main(int argc, char *argv[]) |
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Line 257 main(int argc, char *argv[]) |
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break; |
break; |
case 'T': |
case 'T': |
if ( ! toptions(&curp, optarg)) |
if ( ! toptions(&curp, optarg)) |
return((int)MANDOCLEVEL_BADARG); |
return (int)MANDOCLEVEL_BADARG; |
break; |
break; |
case 'W': |
case 'W': |
if ( ! woptions(&curp, optarg)) |
if ( ! woptions(&curp, optarg)) |
return((int)MANDOCLEVEL_BADARG); |
return (int)MANDOCLEVEL_BADARG; |
break; |
break; |
case 'w': |
case 'w': |
outmode = OUTMODE_FLN; |
outmode = OUTMODE_FLN; |
break; |
break; |
case 'V': |
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version(); |
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/* NOTREACHED */ |
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default: |
default: |
show_usage = 1; |
show_usage = 1; |
break; |
break; |
Line 265 main(int argc, char *argv[]) |
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Line 292 main(int argc, char *argv[]) |
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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. */ |
/* Parse arguments. */ |
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argc -= optind; |
if (argc > 0) { |
argv += optind; |
argc -= optind; |
#if HAVE_SQLITE3 |
argv += optind; |
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} |
resp = NULL; |
resp = NULL; |
#endif |
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/* Quirk for a man(1) section argument without -s. */ |
/* |
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* Quirks for help(1) |
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* and for a man(1) section argument without -s. |
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*/ |
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if (search.argmode == ARG_NAME && |
if (search.argmode == ARG_NAME) { |
argv[0] != NULL && |
if (*progname == 'h') { |
isdigit((unsigned char)argv[0][0]) && |
if (argc == 0) { |
(argv[0][1] == '\0' || !strcmp(argv[0], "3p"))) { |
argv = help_argv; |
search.sec = argv[0]; |
argc = 1; |
argv++; |
} |
argc--; |
} 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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rc = MANDOCLEVEL_OK; |
rc = MANDOCLEVEL_OK; |
Line 289 main(int argc, char *argv[]) |
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Line 344 main(int argc, char *argv[]) |
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/* man(1), whatis(1), apropos(1) */ |
/* man(1), whatis(1), apropos(1) */ |
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if (search.argmode != ARG_FILE) { |
if (search.argmode != ARG_FILE) { |
#if HAVE_SQLITE3 |
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if (argc == 0) |
if (argc == 0) |
usage(search.argmode); |
usage(search.argmode); |
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Line 299 main(int argc, char *argv[]) |
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Line 353 main(int argc, char *argv[]) |
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/* Access the mandoc database. */ |
/* Access the mandoc database. */ |
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manpath_parse(&paths, conf_file, defpaths, auxpaths); |
manconf_parse(&conf, conf_file, defpaths, auxpaths); |
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#if HAVE_SQLITE3 |
mansearch_setup(1); |
mansearch_setup(1); |
if( ! mansearch(&search, &paths, argc, argv, &res, &sz)) |
if ( ! mansearch(&search, &conf.manpath, |
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argc, argv, &res, &sz)) |
usage(search.argmode); |
usage(search.argmode); |
resp = res; |
#else |
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if (search.argmode != ARG_NAME) { |
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fputs("mandoc: database support not compiled in\n", |
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stderr); |
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return (int)MANDOCLEVEL_BADARG; |
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} |
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sz = 0; |
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#endif |
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if (sz == 0) { |
if (sz == 0) { |
if (search.argmode == ARG_NAME) |
if (search.argmode == ARG_NAME) |
fprintf(stderr, "%s: No entry for %s " |
fs_search(&search, &conf.manpath, |
"in the manual.\n", progname, argv[0]); |
argc, argv, &res, &sz); |
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else |
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warnx("nothing appropriate"); |
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} |
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if (sz == 0) { |
rc = MANDOCLEVEL_BADARG; |
rc = MANDOCLEVEL_BADARG; |
goto out; |
goto out; |
} |
} |
Line 327 main(int argc, char *argv[]) |
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Line 395 main(int argc, char *argv[]) |
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/* Iterate all matching manuals. */ |
/* Iterate all matching manuals. */ |
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resp = res; |
for (i = 0; i < sz; i++) { |
for (i = 0; i < sz; i++) { |
if (outmode == OUTMODE_FLN) |
if (outmode == OUTMODE_FLN) |
puts(res[i].file); |
puts(res[i].file); |
Line 356 main(int argc, char *argv[]) |
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Line 425 main(int argc, char *argv[]) |
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if (outmode == OUTMODE_FLN || outmode == OUTMODE_LST) |
if (outmode == OUTMODE_FLN || outmode == OUTMODE_LST) |
goto out; |
goto out; |
#else |
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fputs("mandoc: database support not compiled in\n", |
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stderr); |
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return((int)MANDOCLEVEL_BADARG); |
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#endif |
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} |
} |
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/* mandoc(1) */ |
/* mandoc(1) */ |
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if ( ! moptions(&options, auxpaths)) |
#if HAVE_PLEDGE |
return((int)MANDOCLEVEL_BADARG); |
if (use_pager) { |
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if (pledge("stdio rpath tmppath tty proc exec", NULL) == -1) |
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err((int)MANDOCLEVEL_SYSERR, "pledge"); |
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} else { |
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if (pledge("stdio rpath", NULL) == -1) |
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err((int)MANDOCLEVEL_SYSERR, "pledge"); |
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} |
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#endif |
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if (use_pager && isatty(STDOUT_FILENO)) |
if (search.argmode == ARG_FILE && ! moptions(&options, auxpaths)) |
spawn_pager(); |
return (int)MANDOCLEVEL_BADARG; |
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curp.mchars = mchars_alloc(); |
mchars_alloc(); |
curp.mp = mparse_alloc(options, curp.wlevel, mmsg, |
curp.mp = mparse_alloc(options, curp.wlevel, mmsg, defos); |
curp.mchars, defos); |
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/* |
/* |
* Conditionally start up the lookaside buffer before parsing. |
* Conditionally start up the lookaside buffer before parsing. |
Line 381 main(int argc, char *argv[]) |
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Line 451 main(int argc, char *argv[]) |
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if (OUTT_MAN == curp.outtype) |
if (OUTT_MAN == curp.outtype) |
mparse_keep(curp.mp); |
mparse_keep(curp.mp); |
|
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if (argc == 0) |
if (argc < 1) { |
parse(&curp, STDIN_FILENO, "<stdin>", &rc); |
if (use_pager) |
|
tag_files = tag_init(); |
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parse(&curp, STDIN_FILENO, "<stdin>"); |
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} |
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while (argc) { |
while (argc > 0) { |
#if HAVE_SQLITE3 |
fd = mparse_open(curp.mp, resp != NULL ? resp->file : *argv); |
if (resp != NULL) { |
if (fd != -1) { |
rc = mparse_open(curp.mp, &fd, resp->file); |
if (use_pager) { |
if (fd == -1) |
tag_files = tag_init(); |
/* nothing */; |
use_pager = 0; |
|
} |
|
|
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if (resp == NULL) |
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parse(&curp, fd, *argv); |
else if (resp->form & FORM_SRC) { |
else if (resp->form & FORM_SRC) { |
/* For .so only; ignore failure. */ |
/* For .so only; ignore failure. */ |
chdir(paths.paths[resp->ipath]); |
chdir(conf.manpath.paths[resp->ipath]); |
parse(&curp, fd, resp->file, &rc); |
parse(&curp, fd, resp->file); |
} else |
} else |
rc = passthrough(resp->file, fd, |
passthrough(resp->file, fd, |
synopsis_only); |
conf.output.synopsisonly); |
resp++; |
|
} else |
|
#endif |
|
{ |
|
rc = mparse_open(curp.mp, &fd, *argv++); |
|
if (fd != -1) |
|
parse(&curp, fd, argv[-1], &rc); |
|
} |
|
|
|
if (mparse_wait(curp.mp) != MANDOCLEVEL_OK) |
if (argc > 1 && curp.outtype <= OUTT_UTF8) |
rc = MANDOCLEVEL_SYSERR; |
ascii_sepline(curp.outdata); |
|
} else if (rc < MANDOCLEVEL_ERROR) |
|
rc = MANDOCLEVEL_ERROR; |
|
|
if (MANDOCLEVEL_OK != rc && curp.wstop) |
if (MANDOCLEVEL_OK != rc && curp.wstop) |
break; |
break; |
argc--; |
|
|
if (resp != NULL) |
|
resp++; |
|
else |
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argv++; |
|
if (--argc) |
|
mparse_reset(curp.mp); |
} |
} |
|
|
if (curp.outfree) |
if (curp.outdata != NULL) { |
(*curp.outfree)(curp.outdata); |
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; |
|
} |
|
} |
mparse_free(curp.mp); |
mparse_free(curp.mp); |
mchars_free(curp.mchars); |
mchars_free(); |
|
|
#if HAVE_SQLITE3 |
|
out: |
out: |
if (search.argmode != ARG_FILE) { |
if (search.argmode != ARG_FILE) { |
manpath_free(&paths); |
manconf_free(&conf); |
|
#if HAVE_SQLITE3 |
mansearch_free(res, sz); |
mansearch_free(res, sz); |
mansearch_setup(0); |
mansearch_setup(0); |
} |
|
#endif |
#endif |
|
} |
|
|
free(defos); |
free(defos); |
|
|
return((int)rc); |
/* |
} |
* When using a pager, finish writing both temporary files, |
|
* fork it, wait for the user to close it, and clean up. |
|
*/ |
|
|
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 (;;) { |
|
|
printf("mandoc %s\n", VERSION); |
/* Stop here until moved to the foreground. */ |
exit((int)MANDOCLEVEL_OK); |
|
|
tc_pgid = tcgetpgrp(STDIN_FILENO); |
|
if (tc_pgid != man_pgid) { |
|
if (tc_pgid == pager_pid) { |
|
(void)tcsetpgrp(STDIN_FILENO, |
|
man_pgid); |
|
if (signum == SIGTTIN) |
|
continue; |
|
} else |
|
tag_files->tcpgid = tc_pgid; |
|
kill(0, signum); |
|
continue; |
|
} |
|
|
|
/* Once in the foreground, activate the pager. */ |
|
|
|
if (pager_pid) { |
|
(void)tcsetpgrp(STDIN_FILENO, pager_pid); |
|
kill(pager_pid, SIGCONT); |
|
} 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 |
static void |
Line 447 usage(enum argmode argmode) |
|
Line 589 usage(enum argmode argmode) |
|
|
|
switch (argmode) { |
switch (argmode) { |
case ARG_FILE: |
case ARG_FILE: |
fputs("usage: mandoc [-acfhklV] [-Ios=name] " |
fputs("usage: mandoc [-acfhkl] [-I os=name] " |
"[-Kencoding] [-mformat] [-Ooption]\n" |
"[-K encoding] [-mformat] [-O option]\n" |
"\t [-Toutput] [-Wlevel] [file ...]\n", stderr); |
"\t [-T output] [-W level] [file ...]\n", stderr); |
break; |
break; |
case ARG_NAME: |
case ARG_NAME: |
fputs("usage: man [-acfhklVw] [-C file] " |
fputs("usage: man [-acfhklw] [-C file] [-I os=name] " |
"[-M path] [-m path] [-S arch] [-s section]\n" |
"[-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); |
"\t [section] name ...\n", stderr); |
break; |
break; |
case ARG_WORD: |
case ARG_WORD: |
fputs("usage: whatis [-acfhklVw] [-C file] " |
fputs("usage: whatis [-acfhklw] [-C file] " |
"[-M path] [-m path] [-O outkey] [-S arch]\n" |
"[-M path] [-m path] [-O outkey] [-S arch]\n" |
"\t [-s section] name ...\n", stderr); |
"\t [-s section] name ...\n", stderr); |
break; |
break; |
case ARG_EXPR: |
case ARG_EXPR: |
fputs("usage: apropos [-acfhklVw] [-C file] " |
fputs("usage: apropos [-acfhklw] [-C file] " |
"[-M path] [-m path] [-O outkey] [-S arch]\n" |
"[-M path] [-m path] [-O outkey] [-S arch]\n" |
"\t [-s section] expression ...\n", stderr); |
"\t [-s section] expression ...\n", stderr); |
break; |
break; |
Line 470 usage(enum argmode argmode) |
|
Line 614 usage(enum argmode argmode) |
|
exit((int)MANDOCLEVEL_BADARG); |
exit((int)MANDOCLEVEL_BADARG); |
} |
} |
|
|
|
static int |
|
fs_lookup(const struct manpaths *paths, size_t ipath, |
|
const char *sec, const char *arch, const char *name, |
|
struct manpage **res, size_t *ressz) |
|
{ |
|
glob_t globinfo; |
|
struct manpage *page; |
|
char *file; |
|
int form, globres; |
|
|
|
form = FORM_SRC; |
|
mandoc_asprintf(&file, "%s/man%s/%s.%s", |
|
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); |
|
|
|
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); |
|
} |
|
|
|
mandoc_asprintf(&file, "%s/man%s/%s.[01-9]*", |
|
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; |
|
|
|
found: |
|
#if HAVE_SQLITE3 |
|
warnx("outdated mandoc.db lacks %s(%s) entry, run makewhatis %s", |
|
name, sec, paths->paths[ipath]); |
|
#endif |
|
*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 |
static void |
parse(struct curparse *curp, int fd, const char *file, |
fs_search(const struct mansearch *cfg, const struct manpaths *paths, |
enum mandoclevel *level) |
int argc, char **argv, struct manpage **res, size_t *ressz) |
{ |
{ |
enum mandoclevel rc; |
const char *const sections[] = |
struct mdoc *mdoc; |
{"1", "8", "6", "2", "3", "3p", "5", "7", "4", "9"}; |
struct man *man; |
const size_t nsec = sizeof(sections)/sizeof(sections[0]); |
|
|
/* Begin by parsing the file itself. */ |
size_t ipath, isec, lastsz; |
|
|
assert(file); |
assert(cfg->argmode == ARG_NAME); |
assert(fd >= -1); |
|
|
|
rc = mparse_readfd(curp->mp, fd, file); |
*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--; |
|
} |
|
} |
|
|
/* Stop immediately if the parse has failed. */ |
static void |
|
parse(struct curparse *curp, int fd, const char *file) |
|
{ |
|
enum mandoclevel rctmp; |
|
struct roff_man *man; |
|
|
if (MANDOCLEVEL_FATAL <= rc) |
/* Begin by parsing the file itself. */ |
goto cleanup; |
|
|
|
|
assert(file); |
|
assert(fd >= 0); |
|
|
|
rctmp = mparse_readfd(curp->mp, fd, file); |
|
if (fd != STDIN_FILENO) |
|
close(fd); |
|
if (rc < rctmp) |
|
rc = rctmp; |
|
|
/* |
/* |
* With -Wstop and warnings or errors of at least the requested |
* With -Wstop and warnings or errors of at least the requested |
* level, do not produce output. |
* level, do not produce output. |
*/ |
*/ |
|
|
if (MANDOCLEVEL_OK != rc && curp->wstop) |
if (rctmp != MANDOCLEVEL_OK && curp->wstop) |
goto cleanup; |
return; |
|
|
/* If unset, allocate output dev now (if applicable). */ |
/* If unset, allocate output dev now (if applicable). */ |
|
|
if ( ! (curp->outman && curp->outmdoc)) { |
if (curp->outdata == NULL) { |
switch (curp->outtype) { |
switch (curp->outtype) { |
case OUTT_HTML: |
case OUTT_HTML: |
curp->outdata = html_alloc(curp->mchars, |
curp->outdata = html_alloc(curp->outopts); |
curp->outopts); |
|
curp->outfree = html_free; |
|
break; |
break; |
case OUTT_UTF8: |
case OUTT_UTF8: |
curp->outdata = utf8_alloc(curp->mchars, |
curp->outdata = utf8_alloc(curp->outopts); |
curp->outopts); |
|
curp->outfree = ascii_free; |
|
break; |
break; |
case OUTT_LOCALE: |
case OUTT_LOCALE: |
curp->outdata = locale_alloc(curp->mchars, |
curp->outdata = locale_alloc(curp->outopts); |
curp->outopts); |
|
curp->outfree = ascii_free; |
|
break; |
break; |
case OUTT_ASCII: |
case OUTT_ASCII: |
curp->outdata = ascii_alloc(curp->mchars, |
curp->outdata = ascii_alloc(curp->outopts); |
curp->outopts); |
|
curp->outfree = ascii_free; |
|
break; |
break; |
case OUTT_PDF: |
case OUTT_PDF: |
curp->outdata = pdf_alloc(curp->mchars, |
curp->outdata = pdf_alloc(curp->outopts); |
curp->outopts); |
|
curp->outfree = pspdf_free; |
|
break; |
break; |
case OUTT_PS: |
case OUTT_PS: |
curp->outdata = ps_alloc(curp->mchars, |
curp->outdata = ps_alloc(curp->outopts); |
curp->outopts); |
|
curp->outfree = pspdf_free; |
|
break; |
break; |
default: |
default: |
break; |
break; |
} |
} |
|
} |
|
|
|
mparse_result(curp->mp, &man, NULL); |
|
|
|
/* Execute the out device, if it exists. */ |
|
|
|
if (man == NULL) |
|
return; |
|
if (man->macroset == MACROSET_MDOC) { |
|
mdoc_validate(man); |
switch (curp->outtype) { |
switch (curp->outtype) { |
case OUTT_HTML: |
case OUTT_HTML: |
curp->outman = html_man; |
html_mdoc(curp->outdata, man); |
curp->outmdoc = html_mdoc; |
|
break; |
break; |
case OUTT_TREE: |
case OUTT_TREE: |
curp->outman = tree_man; |
tree_mdoc(curp->outdata, man); |
curp->outmdoc = tree_mdoc; |
|
break; |
break; |
case OUTT_MAN: |
case OUTT_MAN: |
curp->outmdoc = man_mdoc; |
man_mdoc(curp->outdata, man); |
curp->outman = man_man; |
|
break; |
break; |
case OUTT_PDF: |
case OUTT_PDF: |
/* FALLTHROUGH */ |
|
case OUTT_ASCII: |
case OUTT_ASCII: |
/* FALLTHROUGH */ |
|
case OUTT_UTF8: |
case OUTT_UTF8: |
/* FALLTHROUGH */ |
|
case OUTT_LOCALE: |
case OUTT_LOCALE: |
/* FALLTHROUGH */ |
|
case OUTT_PS: |
case OUTT_PS: |
curp->outman = terminal_man; |
terminal_mdoc(curp->outdata, man); |
curp->outmdoc = terminal_mdoc; |
|
break; |
break; |
default: |
default: |
break; |
break; |
} |
} |
} |
} |
|
if (man->macroset == MACROSET_MAN) { |
mparse_result(curp->mp, &mdoc, &man, NULL); |
man_validate(man); |
|
switch (curp->outtype) { |
/* Execute the out device, if it exists. */ |
case OUTT_HTML: |
|
html_man(curp->outdata, man); |
if (man && curp->outman) |
break; |
(*curp->outman)(curp->outdata, man); |
case OUTT_TREE: |
if (mdoc && curp->outmdoc) |
tree_man(curp->outdata, man); |
(*curp->outmdoc)(curp->outdata, mdoc); |
break; |
|
case OUTT_MAN: |
cleanup: |
man_man(curp->outdata, man); |
|
break; |
mparse_reset(curp->mp); |
case OUTT_PDF: |
|
case OUTT_ASCII: |
if (*level < rc) |
case OUTT_UTF8: |
*level = rc; |
case OUTT_LOCALE: |
|
case OUTT_PS: |
|
terminal_man(curp->outdata, man); |
|
break; |
|
default: |
|
break; |
|
} |
|
} |
} |
} |
|
|
static enum mandoclevel |
static void |
passthrough(const char *file, int fd, int synopsis_only) |
passthrough(const char *file, int fd, int synopsis_only) |
{ |
{ |
const char synb[] = "S\bSY\bYN\bNO\bOP\bPS\bSI\bIS\bS"; |
const char synb[] = "S\bSY\bYN\bNO\bOP\bPS\bSI\bIS\bS"; |
Line 591 passthrough(const char *file, int fd, int synopsis_onl |
|
Line 825 passthrough(const char *file, int fd, int synopsis_onl |
|
|
|
FILE *stream; |
FILE *stream; |
const char *syscall; |
const char *syscall; |
char *line; |
char *line, *cp; |
size_t len, off; |
size_t linesz; |
ssize_t nw; |
|
int print; |
int print; |
|
|
|
line = NULL; |
|
linesz = 0; |
|
|
if ((stream = fdopen(fd, "r")) == NULL) { |
if ((stream = fdopen(fd, "r")) == NULL) { |
close(fd); |
close(fd); |
syscall = "fdopen"; |
syscall = "fdopen"; |
Line 603 passthrough(const char *file, int fd, int synopsis_onl |
|
Line 839 passthrough(const char *file, int fd, int synopsis_onl |
|
} |
} |
|
|
print = 0; |
print = 0; |
while ((line = fgetln(stream, &len)) != NULL) { |
while (getline(&line, &linesz, stream) != -1) { |
|
cp = line; |
if (synopsis_only) { |
if (synopsis_only) { |
if (print) { |
if (print) { |
if ( ! isspace((unsigned char)*line)) |
if ( ! isspace((unsigned char)*cp)) |
goto done; |
goto done; |
while (len && |
while (isspace((unsigned char)*cp)) |
isspace((unsigned char)*line)) { |
cp++; |
line++; |
|
len--; |
|
} |
|
} else { |
} else { |
if ((len == sizeof(synb) && |
if (strcmp(cp, synb) == 0 || |
! strncmp(line, synb, len - 1)) || |
strcmp(cp, synr) == 0) |
(len == sizeof(synr) && |
|
! strncmp(line, synr, len - 1))) |
|
print = 1; |
print = 1; |
continue; |
continue; |
} |
} |
} |
} |
for (off = 0; off < len; off += nw) |
if (fputs(cp, stdout)) { |
if ((nw = write(STDOUT_FILENO, line + off, |
fclose(stream); |
len - off)) == -1 || nw == 0) { |
syscall = "fputs"; |
fclose(stream); |
goto fail; |
syscall = "write"; |
} |
goto fail; |
|
} |
|
} |
} |
|
|
if (ferror(stream)) { |
if (ferror(stream)) { |
fclose(stream); |
fclose(stream); |
syscall = "fgetln"; |
syscall = "getline"; |
goto fail; |
goto fail; |
} |
} |
|
|
done: |
done: |
|
free(line); |
fclose(stream); |
fclose(stream); |
return(MANDOCLEVEL_OK); |
return; |
|
|
fail: |
fail: |
fprintf(stderr, "%s: %s: SYSERR: %s: %s", |
free(line); |
progname, file, syscall, strerror(errno)); |
warn("%s: SYSERR: %s", file, syscall); |
return(MANDOCLEVEL_SYSERR); |
if (rc < MANDOCLEVEL_SYSERR) |
|
rc = MANDOCLEVEL_SYSERR; |
} |
} |
|
|
static int |
static int |
Line 660 koptions(int *options, char *arg) |
|
Line 892 koptions(int *options, char *arg) |
|
} else if ( ! strcmp(arg, "us-ascii")) { |
} else if ( ! strcmp(arg, "us-ascii")) { |
*options &= ~(MPARSE_UTF8 | MPARSE_LATIN1); |
*options &= ~(MPARSE_UTF8 | MPARSE_LATIN1); |
} else { |
} else { |
fprintf(stderr, "%s: -K%s: Bad argument\n", |
warnx("-K %s: Bad argument", arg); |
progname, arg); |
return 0; |
return(0); |
|
} |
} |
return(1); |
return 1; |
} |
} |
|
|
static int |
static int |
Line 680 moptions(int *options, char *arg) |
|
Line 911 moptions(int *options, char *arg) |
|
else if (0 == strcmp(arg, "an")) |
else if (0 == strcmp(arg, "an")) |
*options |= MPARSE_MAN; |
*options |= MPARSE_MAN; |
else { |
else { |
fprintf(stderr, "%s: -m%s: Bad argument\n", |
warnx("-m %s: Bad argument", arg); |
progname, arg); |
return 0; |
return(0); |
|
} |
} |
|
|
return(1); |
return 1; |
} |
} |
|
|
static int |
static int |
Line 714 toptions(struct curparse *curp, char *arg) |
|
Line 944 toptions(struct curparse *curp, char *arg) |
|
else if (0 == strcmp(arg, "pdf")) |
else if (0 == strcmp(arg, "pdf")) |
curp->outtype = OUTT_PDF; |
curp->outtype = OUTT_PDF; |
else { |
else { |
fprintf(stderr, "%s: -T%s: Bad argument\n", |
warnx("-T %s: Bad argument", arg); |
progname, arg); |
return 0; |
return(0); |
|
} |
} |
|
|
return(1); |
return 1; |
} |
} |
|
|
static int |
static int |
woptions(struct curparse *curp, char *arg) |
woptions(struct curparse *curp, char *arg) |
{ |
{ |
char *v, *o; |
char *v, *o; |
const char *toks[6]; |
const char *toks[7]; |
|
|
toks[0] = "stop"; |
toks[0] = "stop"; |
toks[1] = "all"; |
toks[1] = "all"; |
toks[2] = "warning"; |
toks[2] = "warning"; |
toks[3] = "error"; |
toks[3] = "error"; |
toks[4] = "fatal"; |
toks[4] = "unsupp"; |
toks[5] = NULL; |
toks[5] = "fatal"; |
|
toks[6] = NULL; |
|
|
while (*arg) { |
while (*arg) { |
o = arg; |
o = arg; |
Line 742 woptions(struct curparse *curp, char *arg) |
|
Line 972 woptions(struct curparse *curp, char *arg) |
|
curp->wstop = 1; |
curp->wstop = 1; |
break; |
break; |
case 1: |
case 1: |
/* FALLTHROUGH */ |
|
case 2: |
case 2: |
curp->wlevel = MANDOCLEVEL_WARNING; |
curp->wlevel = MANDOCLEVEL_WARNING; |
break; |
break; |
Line 750 woptions(struct curparse *curp, char *arg) |
|
Line 979 woptions(struct curparse *curp, char *arg) |
|
curp->wlevel = MANDOCLEVEL_ERROR; |
curp->wlevel = MANDOCLEVEL_ERROR; |
break; |
break; |
case 4: |
case 4: |
curp->wlevel = MANDOCLEVEL_FATAL; |
curp->wlevel = MANDOCLEVEL_UNSUPP; |
break; |
break; |
|
case 5: |
|
curp->wlevel = MANDOCLEVEL_BADARG; |
|
break; |
default: |
default: |
fprintf(stderr, "%s: -W%s: Bad argument\n", |
warnx("-W %s: Bad argument", o); |
progname, o); |
return 0; |
return(0); |
|
} |
} |
} |
} |
|
|
return(1); |
return 1; |
} |
} |
|
|
static void |
static void |
Line 768 mmsg(enum mandocerr t, enum mandoclevel lvl, |
|
Line 999 mmsg(enum mandocerr t, enum mandoclevel lvl, |
|
{ |
{ |
const char *mparse_msg; |
const char *mparse_msg; |
|
|
fprintf(stderr, "%s: %s:", progname, file); |
fprintf(stderr, "%s: %s:", getprogname(), file); |
|
|
if (line) |
if (line) |
fprintf(stderr, "%d:%d:", line, col + 1); |
fprintf(stderr, "%d:%d:", line, col + 1); |
Line 784 mmsg(enum mandocerr t, enum mandoclevel lvl, |
|
Line 1015 mmsg(enum mandocerr t, enum mandoclevel lvl, |
|
fputc('\n', stderr); |
fputc('\n', stderr); |
} |
} |
|
|
static void |
static pid_t |
spawn_pager(void) |
spawn_pager(struct tag_files *tag_files) |
{ |
{ |
#define MAX_PAGER_ARGS 16 |
#define MAX_PAGER_ARGS 16 |
char *argv[MAX_PAGER_ARGS]; |
char *argv[MAX_PAGER_ARGS]; |
const char *pager; |
const char *pager; |
char *cp; |
char *cp; |
int fildes[2]; |
size_t cmdlen; |
int argc; |
int argc; |
|
pid_t pager_pid; |
|
|
if (pipe(fildes) == -1) { |
|
fprintf(stderr, "%s: pipe: %s\n", |
|
progname, strerror(errno)); |
|
return; |
|
} |
|
|
|
switch (fork()) { |
|
case -1: |
|
fprintf(stderr, "%s: fork: %s\n", |
|
progname, strerror(errno)); |
|
exit((int)MANDOCLEVEL_SYSERR); |
|
case 0: |
|
close(fildes[0]); |
|
if (dup2(fildes[1], STDOUT_FILENO) == -1) { |
|
fprintf(stderr, "%s: dup output: %s\n", |
|
progname, strerror(errno)); |
|
exit((int)MANDOCLEVEL_SYSERR); |
|
} |
|
return; |
|
default: |
|
break; |
|
} |
|
|
|
/* The original process becomes the pager. */ |
|
|
|
close(fildes[1]); |
|
if (dup2(fildes[0], STDIN_FILENO) == -1) { |
|
fprintf(stderr, "%s: dup input: %s\n", |
|
progname, strerror(errno)); |
|
exit((int)MANDOCLEVEL_SYSERR); |
|
} |
|
|
|
pager = getenv("MANPAGER"); |
pager = getenv("MANPAGER"); |
if (pager == NULL || *pager == '\0') |
if (pager == NULL || *pager == '\0') |
pager = getenv("PAGER"); |
pager = getenv("PAGER"); |
if (pager == NULL || *pager == '\0') |
if (pager == NULL || *pager == '\0') |
pager = "/usr/bin/more -s"; |
pager = "more -s"; |
cp = mandoc_strdup(pager); |
cp = mandoc_strdup(pager); |
|
|
/* |
/* |
Line 839 spawn_pager(void) |
|
Line 1039 spawn_pager(void) |
|
*/ |
*/ |
|
|
argc = 0; |
argc = 0; |
while (argc + 1 < MAX_PAGER_ARGS) { |
while (argc + 4 < MAX_PAGER_ARGS) { |
argv[argc++] = cp; |
argv[argc++] = cp; |
cp = strchr(cp, ' '); |
cp = strchr(cp, ' '); |
if (cp == NULL) |
if (cp == NULL) |
Line 850 spawn_pager(void) |
|
Line 1050 spawn_pager(void) |
|
if (*cp == '\0') |
if (*cp == '\0') |
break; |
break; |
} |
} |
|
|
|
/* For more(1) and less(1), use the tag file. */ |
|
|
|
if ((cmdlen = strlen(argv[0])) >= 4) { |
|
cp = argv[0] + cmdlen - 4; |
|
if (strcmp(cp, "less") == 0 || strcmp(cp, "more") == 0) { |
|
argv[argc++] = mandoc_strdup("-T"); |
|
argv[argc++] = tag_files->tfn; |
|
} |
|
} |
|
argv[argc++] = tag_files->ofn; |
argv[argc] = NULL; |
argv[argc] = NULL; |
|
|
/* Hand over to the pager. */ |
switch (pager_pid = fork()) { |
|
case -1: |
|
err((int)MANDOCLEVEL_SYSERR, "fork"); |
|
case 0: |
|
/* Set pgrp in both parent and child to avoid racing exec. */ |
|
(void)setpgid(0, 0); |
|
break; |
|
default: |
|
(void)setpgid(pager_pid, 0); |
|
(void)tcsetpgrp(STDIN_FILENO, 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. */ |
|
|
|
if (dup2(tag_files->ofd, STDOUT_FILENO) == -1) |
|
err((int)MANDOCLEVEL_SYSERR, "pager stdout"); |
|
close(tag_files->ofd); |
|
close(tag_files->tfd); |
execvp(argv[0], argv); |
execvp(argv[0], argv); |
fprintf(stderr, "%s: exec: %s\n", |
err((int)MANDOCLEVEL_SYSERR, "exec %s", argv[0]); |
progname, strerror(errno)); |
|
exit((int)MANDOCLEVEL_SYSERR); |
|
} |
} |