mirror of
https://github.com/freebsd/freebsd-src
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1406 lines
34 KiB
C
1406 lines
34 KiB
C
/* $Id: main.c,v 1.358 2021/09/04 22:38:46 schwarze Exp $ */
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/*
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* Copyright (c) 2010-2012, 2014-2021 Ingo Schwarze <schwarze@openbsd.org>
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* Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
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* Copyright (c) 2010 Joerg Sonnenberger <joerg@netbsd.org>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* Main program for mandoc(1), man(1), apropos(1), whatis(1), and help(1).
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*/
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#include "config.h"
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#include <sys/types.h>
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#include <sys/ioctl.h>
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#include <sys/param.h> /* MACHINE */
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#include <sys/stat.h>
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#include <sys/wait.h>
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#include <assert.h>
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#include <ctype.h>
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#if HAVE_ERR
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#include <err.h>
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#endif
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#include <errno.h>
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#include <fcntl.h>
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#include <glob.h>
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#include <limits.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>
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#include <stdio.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <string.h>
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#include <termios.h>
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#include <time.h>
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#include <unistd.h>
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#include "mandoc_aux.h"
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#include "mandoc.h"
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#include "mandoc_xr.h"
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#include "roff.h"
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#include "mdoc.h"
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#include "man.h"
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#include "mandoc_parse.h"
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#include "tag.h"
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#include "term_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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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_ONE
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};
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enum outt {
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OUTT_ASCII = 0, /* -Tascii */
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OUTT_LOCALE, /* -Tlocale */
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OUTT_UTF8, /* -Tutf8 */
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OUTT_TREE, /* -Ttree */
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OUTT_MAN, /* -Tman */
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OUTT_HTML, /* -Thtml */
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OUTT_MARKDOWN, /* -Tmarkdown */
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OUTT_LINT, /* -Tlint */
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OUTT_PS, /* -Tps */
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OUTT_PDF /* -Tpdf */
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};
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struct outstate {
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struct tag_files *tag_files; /* Tagging state variables. */
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void *outdata; /* data for output */
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int use_pager;
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int wstop; /* stop after a file with a warning */
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int had_output; /* Some output was generated. */
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enum outt outtype; /* which output to use */
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};
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int mandocdb(int, char *[]);
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static void check_xr(struct manpaths *);
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static void fs_append(char **, size_t, int,
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size_t, const char *, enum form,
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struct manpage **, size_t *);
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static int fs_lookup(const struct manpaths *, size_t,
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const char *, const char *, const char *,
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struct manpage **, size_t *);
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static int fs_search(const struct mansearch *,
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const struct manpaths *, const char *,
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struct manpage **, size_t *);
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static void glob_esc(char **, const char *, const char *);
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static void outdata_alloc(struct outstate *, struct manoutput *);
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static void parse(struct mparse *, int, const char *,
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struct outstate *, struct manconf *);
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static void passthrough(int, int);
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static void process_onefile(struct mparse *, struct manpage *,
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int, struct outstate *, struct manconf *);
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static void run_pager(struct outstate *, char *);
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static pid_t spawn_pager(struct outstate *, char *);
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static void usage(enum argmode) __attribute__((__noreturn__));
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static int woptions(char *, enum mandoc_os *, int *);
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static const int sec_prios[] = {1, 4, 5, 8, 6, 3, 7, 2, 9};
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static char help_arg[] = "help";
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static char *help_argv[] = {help_arg, NULL};
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int
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main(int argc, char *argv[])
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{
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struct manconf conf; /* Manpaths and output options. */
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struct outstate outst; /* Output state. */
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struct winsize ws; /* Result of ioctl(TIOCGWINSZ). */
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struct mansearch search; /* Search options. */
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struct manpage *res; /* Complete list of search results. */
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struct manpage *resn; /* Search results for one name. */
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struct mparse *mp; /* Opaque parser object. */
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const char *conf_file; /* -C: alternate config file. */
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const char *os_s; /* -I: Operating system for display. */
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const char *progname, *sec, *ep;
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char *defpaths; /* -M: override manpaths. */
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char *auxpaths; /* -m: additional manpaths. */
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char *oarg; /* -O: output option string. */
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char *tagarg; /* -O tag: default value. */
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unsigned char *uc;
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size_t ressz; /* Number of elements in res[]. */
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size_t resnsz; /* Number of elements in resn[]. */
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size_t i, ib, ssz;
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int options; /* Parser options. */
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int show_usage; /* Invalid argument: give up. */
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int prio, best_prio;
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int startdir;
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int c;
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enum mandoc_os os_e; /* Check base system conventions. */
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enum outmode outmode; /* According to command line. */
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#if HAVE_PROGNAME
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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)
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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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mandoc_msg_setoutfile(stderr);
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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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#if HAVE_PLEDGE
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if (pledge("stdio rpath wpath cpath tmppath tty proc exec", NULL) == -1) {
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mandoc_msg(MANDOCERR_PLEDGE, 0, 0, "%s", strerror(errno));
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return mandoc_msg_getrc();
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}
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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 = NULL;
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defpaths = 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 options. */
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options = MPARSE_SO | MPARSE_UTF8 | MPARSE_LATIN1;
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os_e = MANDOC_OS_OTHER;
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os_s = NULL;
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/* Formatter options. */
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memset(&outst, 0, sizeof(outst));
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outst.tag_files = NULL;
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outst.outtype = OUTT_LOCALE;
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outst.use_pager = 1;
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show_usage = 0;
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outmode = OUTMODE_DEF;
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while ((c = getopt(argc, argv,
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"aC:cfhI:iK:klM:m:O:S:s:T:VW:w")) != -1) {
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if (c == 'i' && search.argmode == ARG_EXPR) {
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optind--;
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break;
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}
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switch (c) {
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case 'a':
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outmode = OUTMODE_ALL;
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break;
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case 'C':
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conf_file = optarg;
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break;
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case 'c':
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outst.use_pager = 0;
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break;
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case 'f':
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search.argmode = ARG_WORD;
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break;
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case 'h':
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conf.output.synopsisonly = 1;
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outst.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) != 0) {
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mandoc_msg(MANDOCERR_BADARG_BAD, 0, 0,
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"-I %s", optarg);
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return mandoc_msg_getrc();
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}
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if (os_s != NULL) {
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mandoc_msg(MANDOCERR_BADARG_DUPE, 0, 0,
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"-I %s", optarg);
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return mandoc_msg_getrc();
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}
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os_s = optarg + 3;
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break;
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case 'K':
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options &= ~(MPARSE_UTF8 | MPARSE_LATIN1);
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if (strcmp(optarg, "utf-8") == 0)
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options |= MPARSE_UTF8;
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else if (strcmp(optarg, "iso-8859-1") == 0)
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options |= MPARSE_LATIN1;
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else if (strcmp(optarg, "us-ascii") != 0) {
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mandoc_msg(MANDOCERR_BADARG_BAD, 0, 0,
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"-K %s", optarg);
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return mandoc_msg_getrc();
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}
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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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#ifdef __FreeBSD__
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defpaths = strdup(optarg);
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if (defpaths == NULL)
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err(1, "strdup");
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#else
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defpaths = optarg;
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#endif
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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 (strcmp(optarg, "ascii") == 0)
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outst.outtype = OUTT_ASCII;
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else if (strcmp(optarg, "lint") == 0) {
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outst.outtype = OUTT_LINT;
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mandoc_msg_setoutfile(stdout);
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mandoc_msg_setmin(MANDOCERR_BASE);
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} else if (strcmp(optarg, "tree") == 0)
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outst.outtype = OUTT_TREE;
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else if (strcmp(optarg, "man") == 0)
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outst.outtype = OUTT_MAN;
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else if (strcmp(optarg, "html") == 0)
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outst.outtype = OUTT_HTML;
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else if (strcmp(optarg, "markdown") == 0)
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outst.outtype = OUTT_MARKDOWN;
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else if (strcmp(optarg, "utf8") == 0)
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outst.outtype = OUTT_UTF8;
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else if (strcmp(optarg, "locale") == 0)
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outst.outtype = OUTT_LOCALE;
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else if (strcmp(optarg, "ps") == 0)
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outst.outtype = OUTT_PS;
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else if (strcmp(optarg, "pdf") == 0)
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outst.outtype = OUTT_PDF;
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else {
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mandoc_msg(MANDOCERR_BADARG_BAD, 0, 0,
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"-T %s", optarg);
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return mandoc_msg_getrc();
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}
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break;
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case 'W':
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if (woptions(optarg, &os_e, &outst.wstop) == -1)
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return mandoc_msg_getrc();
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break;
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case 'w':
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outmode = OUTMODE_FLN;
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break;
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default:
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show_usage = 1;
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break;
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}
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}
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if (show_usage)
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usage(search.argmode);
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/* Postprocess options. */
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switch (outmode) {
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case OUTMODE_DEF:
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switch (search.argmode) {
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case ARG_FILE:
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outmode = OUTMODE_ALL;
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outst.use_pager = 0;
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break;
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case ARG_NAME:
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outmode = OUTMODE_ONE;
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break;
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default:
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outmode = OUTMODE_LST;
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break;
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}
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break;
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case OUTMODE_FLN:
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if (search.argmode == ARG_FILE)
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outmode = OUTMODE_ALL;
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break;
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case OUTMODE_ALL:
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break;
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case OUTMODE_LST:
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case OUTMODE_ONE:
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abort();
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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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if (manconf_output(&conf.output,
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strsep(&oarg, ","), 0) == -1)
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return mandoc_msg_getrc();
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}
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}
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}
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if (outst.outtype != OUTT_TREE || conf.output.noval == 0)
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options |= MPARSE_VALIDATE;
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if (outmode == OUTMODE_FLN ||
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outmode == OUTMODE_LST ||
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(conf.output.outfilename == NULL &&
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conf.output.tagfilename == NULL &&
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isatty(STDOUT_FILENO) == 0))
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outst.use_pager = 0;
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if (outst.use_pager &&
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(conf.output.width == 0 || conf.output.indent == 0) &&
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ioctl(STDOUT_FILENO, TIOCGWINSZ, &ws) != -1 &&
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ws.ws_col > 1) {
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if (conf.output.width == 0 && ws.ws_col < 79)
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conf.output.width = ws.ws_col - 1;
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if (conf.output.indent == 0 && ws.ws_col < 66)
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conf.output.indent = 3;
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}
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#if HAVE_PLEDGE
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if (outst.use_pager == 0)
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c = pledge("stdio rpath", NULL);
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else if (conf.output.outfilename != NULL ||
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conf.output.tagfilename != NULL)
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c = pledge("stdio rpath wpath cpath", NULL);
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else
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c = pledge("stdio rpath tmppath tty proc exec", NULL);
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if (c == -1) {
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mandoc_msg(MANDOCERR_PLEDGE, 0, 0, "%s", strerror(errno));
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return mandoc_msg_getrc();
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}
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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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}
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/*
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* Quirks for help(1) and man(1),
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* in particular for a section argument without -s.
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*/
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if (search.argmode == ARG_NAME) {
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if (*progname == 'h') {
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if (argc == 0) {
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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]))) ||
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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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if (outmode == OUTMODE_ONE)
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search.firstmatch = 1;
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}
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/*
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* Use the first argument for -O tag in addition to
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* using it as a search term for man(1) or apropos(1).
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*/
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if (conf.output.tag != NULL && *conf.output.tag == '\0') {
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tagarg = argc > 0 && search.argmode == ARG_EXPR ?
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strchr(*argv, '=') : NULL;
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conf.output.tag = tagarg == NULL ? *argv : tagarg + 1;
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}
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if (search.argmode != ARG_FILE ||
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mandoc_msg_getmin() == MANDOCERR_STYLE)
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#ifdef __FreeBSD__
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{
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/*
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* Use manpath(1) to populate defpaths if -M is not specified.
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* Don't treat any failures as fatal.
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*/
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if (defpaths == NULL) {
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FILE *fp;
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size_t linecap = 0;
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ssize_t linelen;
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if ((fp = popen("/usr/bin/manpath -q", "r")) != NULL) {
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if ((linelen = getline(&defpaths,
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&linecap, fp)) > 0) {
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/* Strip trailing newline */
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defpaths[linelen - 1] = '\0';
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}
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pclose(fp);
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}
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}
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#endif
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/* Read the configuration file. */
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manconf_parse(&conf, conf_file, defpaths, auxpaths);
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#ifdef __FreeBSD__
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free(defpaths);
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}
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#endif
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|
/* man(1): Resolve each name individually. */
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|
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|
if (search.argmode == ARG_NAME) {
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if (argc < 1) {
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if (outmode != OUTMODE_FLN)
|
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usage(ARG_NAME);
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if (conf.manpath.sz == 0) {
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warnx("The manpath is empty.");
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mandoc_msg_setrc(MANDOCLEVEL_BADARG);
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} else {
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for (i = 0; i + 1 < conf.manpath.sz; i++)
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|
printf("%s:", conf.manpath.paths[i]);
|
|
printf("%s\n", conf.manpath.paths[i]);
|
|
}
|
|
manconf_free(&conf);
|
|
return (int)mandoc_msg_getrc();
|
|
}
|
|
for (res = NULL, ressz = 0; argc > 0; argc--, argv++) {
|
|
(void)mansearch(&search, &conf.manpath,
|
|
1, argv, &resn, &resnsz);
|
|
if (resnsz == 0)
|
|
(void)fs_search(&search, &conf.manpath,
|
|
*argv, &resn, &resnsz);
|
|
if (resnsz == 0 && strchr(*argv, '/') == NULL) {
|
|
if (search.arch != NULL &&
|
|
arch_valid(search.arch, OSENUM) == 0)
|
|
warnx("Unknown architecture \"%s\".",
|
|
search.arch);
|
|
else if (search.sec != NULL)
|
|
warnx("No entry for %s in "
|
|
"section %s of the manual.",
|
|
*argv, search.sec);
|
|
else
|
|
warnx("No entry for %s in "
|
|
"the manual.", *argv);
|
|
mandoc_msg_setrc(MANDOCLEVEL_BADARG);
|
|
continue;
|
|
}
|
|
if (resnsz == 0) {
|
|
if (access(*argv, R_OK) == -1) {
|
|
mandoc_msg_setinfilename(*argv);
|
|
mandoc_msg(MANDOCERR_BADARG_BAD,
|
|
0, 0, "%s", strerror(errno));
|
|
mandoc_msg_setinfilename(NULL);
|
|
continue;
|
|
}
|
|
resnsz = 1;
|
|
resn = mandoc_calloc(resnsz, sizeof(*res));
|
|
resn->file = mandoc_strdup(*argv);
|
|
resn->ipath = SIZE_MAX;
|
|
resn->form = FORM_SRC;
|
|
}
|
|
if (outmode != OUTMODE_ONE || resnsz == 1) {
|
|
res = mandoc_reallocarray(res,
|
|
ressz + resnsz, sizeof(*res));
|
|
memcpy(res + ressz, resn,
|
|
sizeof(*resn) * resnsz);
|
|
ressz += resnsz;
|
|
continue;
|
|
}
|
|
|
|
/* Search for the best section. */
|
|
|
|
best_prio = 40;
|
|
for (ib = i = 0; i < resnsz; i++) {
|
|
sec = resn[i].file;
|
|
sec += strcspn(sec, "123456789");
|
|
if (sec[0] == '\0')
|
|
continue; /* No section at all. */
|
|
prio = sec_prios[sec[0] - '1'];
|
|
if (search.sec != NULL) {
|
|
ssz = strlen(search.sec);
|
|
if (strncmp(sec, search.sec, ssz) == 0)
|
|
sec += ssz;
|
|
} else
|
|
sec++; /* Prefer without suffix. */
|
|
if (*sec != '/')
|
|
prio += 10; /* Wrong dir name. */
|
|
if (search.sec != NULL) {
|
|
ep = strchr(sec, '\0');
|
|
if (ep - sec > 3 &&
|
|
strncmp(ep - 3, ".gz", 3) == 0)
|
|
ep -= 3;
|
|
if ((size_t)(ep - sec) < ssz + 3 ||
|
|
strncmp(ep - ssz, search.sec,
|
|
ssz) != 0) /* Wrong file */
|
|
prio += 20; /* extension. */
|
|
}
|
|
if (prio >= best_prio)
|
|
continue;
|
|
best_prio = prio;
|
|
ib = i;
|
|
}
|
|
res = mandoc_reallocarray(res, ressz + 1,
|
|
sizeof(*res));
|
|
memcpy(res + ressz++, resn + ib, sizeof(*resn));
|
|
}
|
|
|
|
/* apropos(1), whatis(1): Process the full search expression. */
|
|
|
|
} else if (search.argmode != ARG_FILE) {
|
|
if (mansearch(&search, &conf.manpath,
|
|
argc, argv, &res, &ressz) == 0)
|
|
usage(search.argmode);
|
|
|
|
if (ressz == 0) {
|
|
warnx("nothing appropriate");
|
|
mandoc_msg_setrc(MANDOCLEVEL_BADARG);
|
|
goto out;
|
|
}
|
|
|
|
/* mandoc(1): Take command line arguments as file names. */
|
|
|
|
} else {
|
|
ressz = argc > 0 ? argc : 1;
|
|
res = mandoc_calloc(ressz, sizeof(*res));
|
|
for (i = 0; i < ressz; i++) {
|
|
if (argc > 0)
|
|
res[i].file = mandoc_strdup(argv[i]);
|
|
res[i].ipath = SIZE_MAX;
|
|
res[i].form = FORM_SRC;
|
|
}
|
|
}
|
|
|
|
switch (outmode) {
|
|
case OUTMODE_FLN:
|
|
for (i = 0; i < ressz; i++)
|
|
puts(res[i].file);
|
|
goto out;
|
|
case OUTMODE_LST:
|
|
for (i = 0; i < ressz; i++)
|
|
printf("%s - %s\n", res[i].names,
|
|
res[i].output == NULL ? "" :
|
|
res[i].output);
|
|
goto out;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
if (search.argmode == ARG_FILE && auxpaths != NULL) {
|
|
if (strcmp(auxpaths, "doc") == 0)
|
|
options |= MPARSE_MDOC;
|
|
else if (strcmp(auxpaths, "an") == 0)
|
|
options |= MPARSE_MAN;
|
|
}
|
|
|
|
mchars_alloc();
|
|
mp = mparse_alloc(options, os_e, os_s);
|
|
|
|
/*
|
|
* Remember the original working directory, if possible.
|
|
* This will be needed if some names on the command line
|
|
* are page names and some are relative file names.
|
|
* Do not error out if the current directory is not
|
|
* readable: Maybe it won't be needed after all.
|
|
*/
|
|
startdir = open(".", O_RDONLY | O_DIRECTORY);
|
|
for (i = 0; i < ressz; i++) {
|
|
process_onefile(mp, res + i, startdir, &outst, &conf);
|
|
if (outst.wstop && mandoc_msg_getrc() != MANDOCLEVEL_OK)
|
|
break;
|
|
}
|
|
if (startdir != -1) {
|
|
(void)fchdir(startdir);
|
|
close(startdir);
|
|
}
|
|
if (conf.output.tag != NULL && conf.output.tag_found == 0) {
|
|
mandoc_msg(MANDOCERR_TAG, 0, 0, "%s", conf.output.tag);
|
|
conf.output.tag = NULL;
|
|
}
|
|
if (outst.outdata != NULL) {
|
|
switch (outst.outtype) {
|
|
case OUTT_HTML:
|
|
html_free(outst.outdata);
|
|
break;
|
|
case OUTT_UTF8:
|
|
case OUTT_LOCALE:
|
|
case OUTT_ASCII:
|
|
ascii_free(outst.outdata);
|
|
break;
|
|
case OUTT_PDF:
|
|
case OUTT_PS:
|
|
pspdf_free(outst.outdata);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
mandoc_xr_free();
|
|
mparse_free(mp);
|
|
mchars_free();
|
|
|
|
out:
|
|
mansearch_free(res, ressz);
|
|
if (search.argmode != ARG_FILE)
|
|
manconf_free(&conf);
|
|
|
|
if (outst.tag_files != NULL) {
|
|
if (term_tag_close() != -1 &&
|
|
conf.output.outfilename == NULL &&
|
|
conf.output.tagfilename == NULL)
|
|
run_pager(&outst, conf.output.tag);
|
|
term_tag_unlink();
|
|
} else if (outst.had_output && outst.outtype != OUTT_LINT)
|
|
mandoc_msg_summary();
|
|
|
|
return (int)mandoc_msg_getrc();
|
|
}
|
|
|
|
static void
|
|
usage(enum argmode argmode)
|
|
{
|
|
switch (argmode) {
|
|
case ARG_FILE:
|
|
fputs("usage: mandoc [-ac] [-I os=name] "
|
|
"[-K encoding] [-mdoc | -man] [-O options]\n"
|
|
"\t [-T output] [-W level] [file ...]\n", stderr);
|
|
break;
|
|
case ARG_NAME:
|
|
fputs("usage: man [-acfhklw] [-C file] [-M path] "
|
|
"[-m path] [-S subsection]\n"
|
|
"\t [[-s] section] name ...\n", stderr);
|
|
break;
|
|
case ARG_WORD:
|
|
fputs("usage: whatis [-afk] [-C file] "
|
|
"[-M path] [-m path] [-O outkey] [-S arch]\n"
|
|
"\t [-s section] name ...\n", stderr);
|
|
break;
|
|
case ARG_EXPR:
|
|
fputs("usage: apropos [-afk] [-C file] "
|
|
"[-M path] [-m path] [-O outkey] [-S arch]\n"
|
|
"\t [-s section] expression ...\n", stderr);
|
|
break;
|
|
}
|
|
exit((int)MANDOCLEVEL_BADARG);
|
|
}
|
|
|
|
static void
|
|
glob_esc(char **dst, const char *src, const char *suffix)
|
|
{
|
|
while (*src != '\0') {
|
|
if (strchr("*?[", *src) != NULL)
|
|
*(*dst)++ = '\\';
|
|
*(*dst)++ = *src++;
|
|
}
|
|
while (*suffix != '\0')
|
|
*(*dst)++ = *suffix++;
|
|
}
|
|
|
|
static void
|
|
fs_append(char **file, size_t filesz, int copy, size_t ipath,
|
|
const char *sec, enum form form, struct manpage **res, size_t *ressz)
|
|
{
|
|
struct manpage *page;
|
|
|
|
*res = mandoc_reallocarray(*res, *ressz + filesz, sizeof(**res));
|
|
page = *res + *ressz;
|
|
*ressz += filesz;
|
|
for (;;) {
|
|
page->file = copy ? mandoc_strdup(*file) : *file;
|
|
page->names = NULL;
|
|
page->output = NULL;
|
|
page->bits = NAME_FILE & NAME_MASK;
|
|
page->ipath = ipath;
|
|
page->sec = (*sec >= '1' && *sec <= '9') ? *sec - '1' + 1 : 10;
|
|
page->form = form;
|
|
if (--filesz == 0)
|
|
break;
|
|
file++;
|
|
page++;
|
|
}
|
|
}
|
|
|
|
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)
|
|
{
|
|
struct stat sb;
|
|
glob_t globinfo;
|
|
char *file, *cp, secnum[2];
|
|
int globres;
|
|
enum form form;
|
|
|
|
const char *const slman = "/man";
|
|
const char *const slash = "/";
|
|
const char *const sglob = ".[01-9]*";
|
|
const char *const dot = ".";
|
|
const char *const aster = "*";
|
|
|
|
memset(&globinfo, 0, sizeof(globinfo));
|
|
form = FORM_SRC;
|
|
|
|
mandoc_asprintf(&file, "%s/man%s/%s.%s",
|
|
paths->paths[ipath], sec, name, sec);
|
|
if (stat(file, &sb) != -1)
|
|
goto found;
|
|
free(file);
|
|
|
|
mandoc_asprintf(&file, "%s/cat%s/%s.0",
|
|
paths->paths[ipath], sec, name);
|
|
if (stat(file, &sb) != -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 (stat(file, &sb) != -1)
|
|
goto found;
|
|
free(file);
|
|
}
|
|
|
|
cp = file = mandoc_malloc(strlen(paths->paths[ipath]) * 2 +
|
|
strlen(slman) + strlen(sec) * 2 + strlen(slash) +
|
|
strlen(name) * 2 + strlen(sglob) + 1);
|
|
glob_esc(&cp, paths->paths[ipath], slman);
|
|
glob_esc(&cp, sec, slash);
|
|
glob_esc(&cp, name, sglob);
|
|
*cp = '\0';
|
|
globres = glob(file, 0, NULL, &globinfo);
|
|
if (globres != 0 && globres != GLOB_NOMATCH)
|
|
mandoc_msg(MANDOCERR_GLOB, 0, 0,
|
|
"%s: %s", file, strerror(errno));
|
|
free(file);
|
|
file = NULL;
|
|
if (globres == 0)
|
|
goto found;
|
|
globfree(&globinfo);
|
|
|
|
if (sec[1] != '\0' && *ressz == 0) {
|
|
secnum[0] = sec[0];
|
|
secnum[1] = '\0';
|
|
cp = file = mandoc_malloc(strlen(paths->paths[ipath]) * 2 +
|
|
strlen(slman) + strlen(secnum) * 2 + strlen(slash) +
|
|
strlen(name) * 2 + strlen(dot) +
|
|
strlen(sec) * 2 + strlen(aster) + 1);
|
|
glob_esc(&cp, paths->paths[ipath], slman);
|
|
glob_esc(&cp, secnum, slash);
|
|
glob_esc(&cp, name, dot);
|
|
glob_esc(&cp, sec, aster);
|
|
*cp = '\0';
|
|
globres = glob(file, 0, NULL, &globinfo);
|
|
if (globres != 0 && globres != GLOB_NOMATCH)
|
|
mandoc_msg(MANDOCERR_GLOB, 0, 0,
|
|
"%s: %s", file, strerror(errno));
|
|
free(file);
|
|
file = NULL;
|
|
if (globres == 0)
|
|
goto found;
|
|
globfree(&globinfo);
|
|
}
|
|
|
|
if (res != NULL || ipath + 1 != paths->sz)
|
|
return -1;
|
|
|
|
mandoc_asprintf(&file, "%s.%s", name, sec);
|
|
globres = stat(file, &sb);
|
|
free(file);
|
|
return globres;
|
|
|
|
found:
|
|
warnx("outdated mandoc.db lacks %s(%s) entry, run %s %s",
|
|
name, sec, BINM_MAKEWHATIS, paths->paths[ipath]);
|
|
if (res == NULL)
|
|
free(file);
|
|
else if (file == NULL)
|
|
fs_append(globinfo.gl_pathv, globinfo.gl_pathc, 1,
|
|
ipath, sec, form, res, ressz);
|
|
else
|
|
fs_append(&file, 1, 0, ipath, sec, form, res, ressz);
|
|
globfree(&globinfo);
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
fs_search(const struct mansearch *cfg, const struct manpaths *paths,
|
|
const char *name, 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]);
|
|
|
|
size_t ipath, isec;
|
|
|
|
assert(cfg->argmode == ARG_NAME);
|
|
if (res != NULL)
|
|
*res = NULL;
|
|
*ressz = 0;
|
|
for (ipath = 0; ipath < paths->sz; ipath++) {
|
|
if (cfg->sec != NULL) {
|
|
if (fs_lookup(paths, ipath, cfg->sec, cfg->arch,
|
|
name, res, ressz) != -1 && cfg->firstmatch)
|
|
return 0;
|
|
} else {
|
|
for (isec = 0; isec < nsec; isec++)
|
|
if (fs_lookup(paths, ipath, sections[isec],
|
|
cfg->arch, name, res, ressz) != -1 &&
|
|
cfg->firstmatch)
|
|
return 0;
|
|
}
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
static void
|
|
process_onefile(struct mparse *mp, struct manpage *resp, int startdir,
|
|
struct outstate *outst, struct manconf *conf)
|
|
{
|
|
int fd;
|
|
|
|
/*
|
|
* Changing directories is not needed in ARG_FILE mode.
|
|
* Do it on a best-effort basis. Even in case of
|
|
* failure, some functionality may still work.
|
|
*/
|
|
if (resp->ipath != SIZE_MAX)
|
|
(void)chdir(conf->manpath.paths[resp->ipath]);
|
|
else if (startdir != -1)
|
|
(void)fchdir(startdir);
|
|
|
|
mandoc_msg_setinfilename(resp->file);
|
|
if (resp->file != NULL) {
|
|
if ((fd = mparse_open(mp, resp->file)) == -1) {
|
|
mandoc_msg(resp->ipath == SIZE_MAX ?
|
|
MANDOCERR_BADARG_BAD : MANDOCERR_OPEN,
|
|
0, 0, "%s", strerror(errno));
|
|
mandoc_msg_setinfilename(NULL);
|
|
return;
|
|
}
|
|
} else
|
|
fd = STDIN_FILENO;
|
|
|
|
if (outst->use_pager) {
|
|
outst->use_pager = 0;
|
|
outst->tag_files = term_tag_init(conf->output.outfilename,
|
|
outst->outtype == OUTT_HTML ? ".html" : "",
|
|
conf->output.tagfilename);
|
|
#if HAVE_PLEDGE
|
|
if ((conf->output.outfilename != NULL ||
|
|
conf->output.tagfilename != NULL) &&
|
|
pledge("stdio rpath cpath", NULL) == -1) {
|
|
mandoc_msg(MANDOCERR_PLEDGE, 0, 0,
|
|
"%s", strerror(errno));
|
|
exit(mandoc_msg_getrc());
|
|
}
|
|
#endif
|
|
}
|
|
if (outst->had_output && outst->outtype <= OUTT_UTF8) {
|
|
if (outst->outdata == NULL)
|
|
outdata_alloc(outst, &conf->output);
|
|
terminal_sepline(outst->outdata);
|
|
}
|
|
|
|
if (resp->form == FORM_SRC)
|
|
parse(mp, fd, resp->file, outst, conf);
|
|
else {
|
|
passthrough(fd, conf->output.synopsisonly);
|
|
outst->had_output = 1;
|
|
}
|
|
|
|
if (ferror(stdout)) {
|
|
if (outst->tag_files != NULL) {
|
|
mandoc_msg(MANDOCERR_WRITE, 0, 0, "%s: %s",
|
|
outst->tag_files->ofn, strerror(errno));
|
|
term_tag_unlink();
|
|
outst->tag_files = NULL;
|
|
} else
|
|
mandoc_msg(MANDOCERR_WRITE, 0, 0, "%s",
|
|
strerror(errno));
|
|
}
|
|
mandoc_msg_setinfilename(NULL);
|
|
}
|
|
|
|
static void
|
|
parse(struct mparse *mp, int fd, const char *file,
|
|
struct outstate *outst, struct manconf *conf)
|
|
{
|
|
static struct manpaths basepaths;
|
|
static int previous;
|
|
struct roff_meta *meta;
|
|
|
|
assert(fd >= 0);
|
|
if (file == NULL)
|
|
file = "<stdin>";
|
|
|
|
if (previous)
|
|
mparse_reset(mp);
|
|
else
|
|
previous = 1;
|
|
|
|
mparse_readfd(mp, fd, file);
|
|
if (fd != STDIN_FILENO)
|
|
close(fd);
|
|
|
|
/*
|
|
* With -Wstop and warnings or errors of at least the requested
|
|
* level, do not produce output.
|
|
*/
|
|
|
|
if (outst->wstop && mandoc_msg_getrc() != MANDOCLEVEL_OK)
|
|
return;
|
|
|
|
if (outst->outdata == NULL)
|
|
outdata_alloc(outst, &conf->output);
|
|
else if (outst->outtype == OUTT_HTML)
|
|
html_reset(outst->outdata);
|
|
|
|
mandoc_xr_reset();
|
|
meta = mparse_result(mp);
|
|
|
|
/* Execute the out device, if it exists. */
|
|
|
|
outst->had_output = 1;
|
|
if (meta->macroset == MACROSET_MDOC) {
|
|
switch (outst->outtype) {
|
|
case OUTT_HTML:
|
|
html_mdoc(outst->outdata, meta);
|
|
break;
|
|
case OUTT_TREE:
|
|
tree_mdoc(outst->outdata, meta);
|
|
break;
|
|
case OUTT_MAN:
|
|
man_mdoc(outst->outdata, meta);
|
|
break;
|
|
case OUTT_PDF:
|
|
case OUTT_ASCII:
|
|
case OUTT_UTF8:
|
|
case OUTT_LOCALE:
|
|
case OUTT_PS:
|
|
terminal_mdoc(outst->outdata, meta);
|
|
break;
|
|
case OUTT_MARKDOWN:
|
|
markdown_mdoc(outst->outdata, meta);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
if (meta->macroset == MACROSET_MAN) {
|
|
switch (outst->outtype) {
|
|
case OUTT_HTML:
|
|
html_man(outst->outdata, meta);
|
|
break;
|
|
case OUTT_TREE:
|
|
tree_man(outst->outdata, meta);
|
|
break;
|
|
case OUTT_MAN:
|
|
mparse_copy(mp);
|
|
break;
|
|
case OUTT_PDF:
|
|
case OUTT_ASCII:
|
|
case OUTT_UTF8:
|
|
case OUTT_LOCALE:
|
|
case OUTT_PS:
|
|
terminal_man(outst->outdata, meta);
|
|
break;
|
|
case OUTT_MARKDOWN:
|
|
mandoc_msg(MANDOCERR_MAN_TMARKDOWN, 0, 0, NULL);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
if (conf->output.tag != NULL && conf->output.tag_found == 0 &&
|
|
tag_exists(conf->output.tag))
|
|
conf->output.tag_found = 1;
|
|
|
|
if (mandoc_msg_getmin() < MANDOCERR_STYLE) {
|
|
if (basepaths.sz == 0)
|
|
manpath_base(&basepaths);
|
|
check_xr(&basepaths);
|
|
} else if (mandoc_msg_getmin() < MANDOCERR_WARNING)
|
|
check_xr(&conf->manpath);
|
|
}
|
|
|
|
static void
|
|
check_xr(struct manpaths *paths)
|
|
{
|
|
struct mansearch search;
|
|
struct mandoc_xr *xr;
|
|
size_t sz;
|
|
|
|
for (xr = mandoc_xr_get(); xr != NULL; xr = xr->next) {
|
|
if (xr->line == -1)
|
|
continue;
|
|
search.arch = NULL;
|
|
search.sec = xr->sec;
|
|
search.outkey = NULL;
|
|
search.argmode = ARG_NAME;
|
|
search.firstmatch = 1;
|
|
if (mansearch(&search, paths, 1, &xr->name, NULL, &sz))
|
|
continue;
|
|
if (fs_search(&search, paths, xr->name, NULL, &sz) != -1)
|
|
continue;
|
|
if (xr->count == 1)
|
|
mandoc_msg(MANDOCERR_XR_BAD, xr->line,
|
|
xr->pos + 1, "Xr %s %s", xr->name, xr->sec);
|
|
else
|
|
mandoc_msg(MANDOCERR_XR_BAD, xr->line,
|
|
xr->pos + 1, "Xr %s %s (%d times)",
|
|
xr->name, xr->sec, xr->count);
|
|
}
|
|
}
|
|
|
|
static void
|
|
outdata_alloc(struct outstate *outst, struct manoutput *outconf)
|
|
{
|
|
switch (outst->outtype) {
|
|
case OUTT_HTML:
|
|
outst->outdata = html_alloc(outconf);
|
|
break;
|
|
case OUTT_UTF8:
|
|
outst->outdata = utf8_alloc(outconf);
|
|
break;
|
|
case OUTT_LOCALE:
|
|
outst->outdata = locale_alloc(outconf);
|
|
break;
|
|
case OUTT_ASCII:
|
|
outst->outdata = ascii_alloc(outconf);
|
|
break;
|
|
case OUTT_PDF:
|
|
outst->outdata = pdf_alloc(outconf);
|
|
break;
|
|
case OUTT_PS:
|
|
outst->outdata = ps_alloc(outconf);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
passthrough(int fd, int synopsis_only)
|
|
{
|
|
const char synb[] = "S\bSY\bYN\bNO\bOP\bPS\bSI\bIS\bS";
|
|
const char synr[] = "SYNOPSIS";
|
|
|
|
FILE *stream;
|
|
char *line, *cp;
|
|
size_t linesz;
|
|
ssize_t len, written;
|
|
int lno, print;
|
|
|
|
stream = NULL;
|
|
line = NULL;
|
|
linesz = 0;
|
|
|
|
if (fflush(stdout) == EOF) {
|
|
mandoc_msg(MANDOCERR_FFLUSH, 0, 0, "%s", strerror(errno));
|
|
goto done;
|
|
}
|
|
if ((stream = fdopen(fd, "r")) == NULL) {
|
|
close(fd);
|
|
mandoc_msg(MANDOCERR_FDOPEN, 0, 0, "%s", strerror(errno));
|
|
goto done;
|
|
}
|
|
|
|
lno = print = 0;
|
|
while ((len = getline(&line, &linesz, stream)) != -1) {
|
|
lno++;
|
|
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;
|
|
}
|
|
}
|
|
for (; len > 0; len -= written) {
|
|
if ((written = write(STDOUT_FILENO, cp, len)) == -1) {
|
|
mandoc_msg(MANDOCERR_WRITE, 0, 0,
|
|
"%s", strerror(errno));
|
|
goto done;
|
|
}
|
|
}
|
|
}
|
|
if (ferror(stream))
|
|
mandoc_msg(MANDOCERR_GETLINE, lno, 0, "%s", strerror(errno));
|
|
|
|
done:
|
|
free(line);
|
|
if (stream != NULL)
|
|
fclose(stream);
|
|
}
|
|
|
|
static int
|
|
woptions(char *arg, enum mandoc_os *os_e, int *wstop)
|
|
{
|
|
char *v, *o;
|
|
const char *toks[11];
|
|
|
|
toks[0] = "stop";
|
|
toks[1] = "all";
|
|
toks[2] = "base";
|
|
toks[3] = "style";
|
|
toks[4] = "warning";
|
|
toks[5] = "error";
|
|
toks[6] = "unsupp";
|
|
toks[7] = "fatal";
|
|
toks[8] = "openbsd";
|
|
toks[9] = "netbsd";
|
|
toks[10] = NULL;
|
|
|
|
while (*arg) {
|
|
o = arg;
|
|
switch (getsubopt(&arg, (char * const *)toks, &v)) {
|
|
case 0:
|
|
*wstop = 1;
|
|
break;
|
|
case 1:
|
|
case 2:
|
|
mandoc_msg_setmin(MANDOCERR_BASE);
|
|
break;
|
|
case 3:
|
|
mandoc_msg_setmin(MANDOCERR_STYLE);
|
|
break;
|
|
case 4:
|
|
mandoc_msg_setmin(MANDOCERR_WARNING);
|
|
break;
|
|
case 5:
|
|
mandoc_msg_setmin(MANDOCERR_ERROR);
|
|
break;
|
|
case 6:
|
|
mandoc_msg_setmin(MANDOCERR_UNSUPP);
|
|
break;
|
|
case 7:
|
|
mandoc_msg_setmin(MANDOCERR_BADARG);
|
|
break;
|
|
case 8:
|
|
mandoc_msg_setmin(MANDOCERR_BASE);
|
|
*os_e = MANDOC_OS_OPENBSD;
|
|
break;
|
|
case 9:
|
|
mandoc_msg_setmin(MANDOCERR_BASE);
|
|
*os_e = MANDOC_OS_NETBSD;
|
|
break;
|
|
default:
|
|
mandoc_msg(MANDOCERR_BADARG_BAD, 0, 0, "-W %s", o);
|
|
return -1;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Wait until moved to the foreground,
|
|
* then fork the pager and wait for the user to close it.
|
|
*/
|
|
static void
|
|
run_pager(struct outstate *outst, char *tag_target)
|
|
{
|
|
int signum, status;
|
|
pid_t man_pgid, tc_pgid;
|
|
pid_t pager_pid, wait_pid;
|
|
|
|
man_pgid = getpgid(0);
|
|
outst->tag_files->tcpgid =
|
|
man_pgid == getpid() ? getpgid(getppid()) : man_pgid;
|
|
pager_pid = 0;
|
|
signum = SIGSTOP;
|
|
|
|
for (;;) {
|
|
/* Stop here until moved to the foreground. */
|
|
|
|
tc_pgid = tcgetpgrp(STDOUT_FILENO);
|
|
if (tc_pgid != man_pgid) {
|
|
if (tc_pgid == pager_pid) {
|
|
(void)tcsetpgrp(STDOUT_FILENO, man_pgid);
|
|
if (signum == SIGTTIN)
|
|
continue;
|
|
} else
|
|
outst->tag_files->tcpgid = tc_pgid;
|
|
kill(0, signum);
|
|
continue;
|
|
}
|
|
|
|
/* Once in the foreground, activate the pager. */
|
|
|
|
if (pager_pid) {
|
|
(void)tcsetpgrp(STDOUT_FILENO, pager_pid);
|
|
kill(pager_pid, SIGCONT);
|
|
} else
|
|
pager_pid = spawn_pager(outst, tag_target);
|
|
|
|
/* Wait for the pager to stop or exit. */
|
|
|
|
while ((wait_pid = waitpid(pager_pid, &status,
|
|
WUNTRACED)) == -1 && errno == EINTR)
|
|
continue;
|
|
|
|
if (wait_pid == -1) {
|
|
mandoc_msg(MANDOCERR_WAIT, 0, 0,
|
|
"%s", strerror(errno));
|
|
break;
|
|
}
|
|
if (!WIFSTOPPED(status))
|
|
break;
|
|
|
|
signum = WSTOPSIG(status);
|
|
}
|
|
}
|
|
|
|
static pid_t
|
|
spawn_pager(struct outstate *outst, char *tag_target)
|
|
{
|
|
const struct timespec timeout = { 0, 100000000 }; /* 0.1s */
|
|
#define MAX_PAGER_ARGS 16
|
|
char *argv[MAX_PAGER_ARGS];
|
|
const char *pager;
|
|
char *cp;
|
|
#if HAVE_LESS_T
|
|
size_t cmdlen;
|
|
#endif
|
|
int argc, use_ofn;
|
|
pid_t pager_pid;
|
|
|
|
assert(outst->tag_files->ofd == -1);
|
|
assert(outst->tag_files->tfs == NULL);
|
|
|
|
pager = getenv("MANPAGER");
|
|
if (pager == NULL || *pager == '\0')
|
|
pager = getenv("PAGER");
|
|
if (pager == NULL || *pager == '\0')
|
|
pager = BINM_PAGER;
|
|
cp = mandoc_strdup(pager);
|
|
|
|
/*
|
|
* Parse the pager command into words.
|
|
* Intentionally do not do anything fancy here.
|
|
*/
|
|
|
|
argc = 0;
|
|
while (argc + 5 < MAX_PAGER_ARGS) {
|
|
argv[argc++] = cp;
|
|
cp = strchr(cp, ' ');
|
|
if (cp == NULL)
|
|
break;
|
|
*cp++ = '\0';
|
|
while (*cp == ' ')
|
|
cp++;
|
|
if (*cp == '\0')
|
|
break;
|
|
}
|
|
|
|
/* For less(1), use the tag file. */
|
|
|
|
use_ofn = 1;
|
|
#if HAVE_LESS_T
|
|
if (*outst->tag_files->tfn != '\0' &&
|
|
(cmdlen = strlen(argv[0])) >= 4) {
|
|
cp = argv[0] + cmdlen - 4;
|
|
if (strcmp(cp, "less") == 0) {
|
|
argv[argc++] = mandoc_strdup("-T");
|
|
argv[argc++] = outst->tag_files->tfn;
|
|
if (tag_target != NULL) {
|
|
argv[argc++] = mandoc_strdup("-t");
|
|
argv[argc++] = tag_target;
|
|
use_ofn = 0;
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
if (use_ofn) {
|
|
if (outst->outtype == OUTT_HTML && tag_target != NULL)
|
|
mandoc_asprintf(&argv[argc], "file://%s#%s",
|
|
outst->tag_files->ofn, tag_target);
|
|
else
|
|
argv[argc] = outst->tag_files->ofn;
|
|
argc++;
|
|
}
|
|
argv[argc] = NULL;
|
|
|
|
switch (pager_pid = fork()) {
|
|
case -1:
|
|
mandoc_msg(MANDOCERR_FORK, 0, 0, "%s", strerror(errno));
|
|
exit(mandoc_msg_getrc());
|
|
case 0:
|
|
break;
|
|
default:
|
|
(void)setpgid(pager_pid, 0);
|
|
(void)tcsetpgrp(STDOUT_FILENO, pager_pid);
|
|
#if HAVE_PLEDGE
|
|
if (pledge("stdio rpath tmppath tty proc", NULL) == -1) {
|
|
mandoc_msg(MANDOCERR_PLEDGE, 0, 0,
|
|
"%s", strerror(errno));
|
|
exit(mandoc_msg_getrc());
|
|
}
|
|
#endif
|
|
outst->tag_files->pager_pid = pager_pid;
|
|
return pager_pid;
|
|
}
|
|
|
|
/*
|
|
* The child process becomes the pager.
|
|
* Do not start it before controlling the terminal.
|
|
*/
|
|
|
|
while (tcgetpgrp(STDOUT_FILENO) != getpid())
|
|
nanosleep(&timeout, NULL);
|
|
|
|
execvp(argv[0], argv);
|
|
mandoc_msg(MANDOCERR_EXEC, 0, 0, "%s: %s", argv[0], strerror(errno));
|
|
_exit(mandoc_msg_getrc());
|
|
}
|