-/* $Id: main.c,v 1.48 2009/10/26 08:18:16 kristaps Exp $ */
+/* $Id: main.c,v 1.280 2017/01/27 13:47:10 schwarze Exp $ */
/*
- * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
+ * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
+ * Copyright (c) 2010-2012, 2014-2017 Ingo Schwarze <schwarze@openbsd.org>
+ * Copyright (c) 2010 Joerg Sonnenberger <joerg@netbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* 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
- * 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
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
-#include <sys/stat.h>
+#include "config.h"
+
+#include <sys/types.h>
+#include <sys/param.h> /* MACHINE */
+#include <sys/wait.h>
#include <assert.h>
+#include <ctype.h>
+#if HAVE_ERR
#include <err.h>
+#endif
+#include <errno.h>
#include <fcntl.h>
+#include <glob.h>
+#if HAVE_SANDBOX_INIT
+#include <sandbox.h>
+#endif
+#include <signal.h>
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
+#include <time.h>
#include <unistd.h>
+#include "mandoc_aux.h"
+#include "mandoc.h"
+#include "roff.h"
#include "mdoc.h"
#include "man.h"
+#include "tag.h"
#include "main.h"
-
-#define UNCONST(a) ((void *)(uintptr_t)(const void *)(a))
-
-/* Account for FreeBSD and Linux in our declarations. */
-
-#ifdef __linux__
-extern int getsubopt(char **, char * const *, char **);
-# ifndef __dead
-# define __dead __attribute__((__noreturn__))
-# endif
-#elif defined(__dead2)
-# ifndef __dead
-# define __dead __dead2
-# endif
-#endif
-
-typedef void (*out_mdoc)(void *, const struct mdoc *);
-typedef void (*out_man)(void *, const struct man *);
-typedef void (*out_free)(void *);
-
-struct buf {
- char *buf;
- size_t sz;
-};
-
-enum intt {
- INTT_AUTO,
- INTT_MDOC,
- INTT_MAN
+#include "manconf.h"
+#include "mansearch.h"
+
+enum outmode {
+ OUTMODE_DEF = 0,
+ OUTMODE_FLN,
+ OUTMODE_LST,
+ OUTMODE_ALL,
+ OUTMODE_INT,
+ OUTMODE_ONE
};
enum outt {
- OUTT_ASCII = 0,
- OUTT_TREE,
- OUTT_HTML,
- OUTT_LINT
+ OUTT_ASCII = 0, /* -Tascii */
+ OUTT_LOCALE, /* -Tlocale */
+ OUTT_UTF8, /* -Tutf8 */
+ OUTT_TREE, /* -Ttree */
+ OUTT_MAN, /* -Tman */
+ OUTT_HTML, /* -Thtml */
+ OUTT_LINT, /* -Tlint */
+ OUTT_PS, /* -Tps */
+ OUTT_PDF /* -Tpdf */
};
struct curparse {
- const char *file; /* Current parse. */
- int fd; /* Current parse. */
- int wflags;
-#define WARN_WALL (1 << 0) /* All-warnings mask. */
-#define WARN_WERR (1 << 2) /* Warnings->errors. */
- int fflags;
-#define IGN_SCOPE (1 << 0) /* Ignore scope errors. */
-#define NO_IGN_ESCAPE (1 << 1) /* Don't ignore bad escapes. */
-#define NO_IGN_MACRO (1 << 2) /* Don't ignore bad macros. */
-#define NO_IGN_CHARS (1 << 3) /* Don't ignore bad chars. */
-#define IGN_ERRORS (1 << 4) /* Ignore failed parse. */
- enum intt inttype; /* Input parsers... */
- struct man *man;
- struct man *lastman;
- struct mdoc *mdoc;
- struct mdoc *lastmdoc;
- enum outt outtype; /* Output devices... */
- out_mdoc outmdoc;
- out_man outman;
- out_free outfree;
- void *outdata;
- char *outopts;
+ struct mparse *mp;
+ enum mandoclevel wlevel; /* ignore messages below this */
+ int wstop; /* stop after a file with a warning */
+ enum outt outtype; /* which output to use */
+ void *outdata; /* data for output */
+ struct manoutput *outopts; /* output options */
};
-static int foptions(int *, char *);
-static int toptions(enum outt *, char *);
-static int moptions(enum intt *, char *);
-static int woptions(int *, char *);
-static int merr(void *, int, int, const char *);
-static int mwarn(void *, int, int, const char *);
-static int ffile(struct buf *, struct buf *,
- const char *, struct curparse *);
-static int fdesc(struct buf *, struct buf *,
- struct curparse *);
-static int pset(const char *, int, struct curparse *,
- struct man **, struct mdoc **);
-static struct man *man_init(struct curparse *);
-static struct mdoc *mdoc_init(struct curparse *);
-__dead static void version(void);
-__dead static void usage(void);
-
-extern char *__progname;
+
+int mandocdb(int, char *[]);
+
+static int fs_lookup(const struct manpaths *,
+ size_t ipath, const char *,
+ const char *, const char *,
+ struct manpage **, size_t *);
+static void fs_search(const struct mansearch *,
+ const struct manpaths *, int, char**,
+ struct manpage **, size_t *);
+static int koptions(int *, char *);
+static int moptions(int *, char *);
+static void mmsg(enum mandocerr, enum mandoclevel,
+ const char *, int, int, const char *);
+static void outdata_alloc(struct curparse *);
+static void parse(struct curparse *, int, const char *);
+static void passthrough(const char *, int, int);
+static pid_t spawn_pager(struct tag_files *);
+static int toptions(struct curparse *, char *);
+static void usage(enum argmode) __attribute__((noreturn));
+static int woptions(struct curparse *, char *);
+
+static const int sec_prios[] = {1, 4, 5, 8, 6, 3, 7, 2, 9};
+static char help_arg[] = "help";
+static char *help_argv[] = {help_arg, NULL};
+static enum mandoclevel rc;
int
main(int argc, char *argv[])
{
- int c, rc;
- struct buf ln, blk;
+ struct manconf conf;
struct curparse curp;
+ struct mansearch search;
+ struct tag_files *tag_files;
+ const char *progname;
+ char *auxpaths;
+ char *defos;
+ unsigned char *uc;
+ struct manpage *res, *resp;
+ char *conf_file, *defpaths;
+ const char *sec;
+ const char *thisarg;
+ size_t i, sz;
+ int prio, best_prio;
+ enum outmode outmode;
+ int fd;
+ int show_usage;
+ int options;
+ int use_pager;
+ int status, signum;
+ int c;
+ pid_t pager_pid, tc_pgid, man_pgid, pid;
+
+#if HAVE_PROGNAME
+ progname = getprogname();
+#else
+ if (argc < 1)
+ progname = mandoc_strdup("mandoc");
+ else if ((progname = strrchr(argv[0], '/')) == NULL)
+ progname = argv[0];
+ else
+ ++progname;
+ setprogname(progname);
+#endif
- bzero(&curp, sizeof(struct curparse));
+ if (strncmp(progname, "mandocdb", 8) == 0 ||
+ strcmp(progname, BINM_MAKEWHATIS) == 0)
+ return mandocdb(argc, argv);
- curp.inttype = INTT_AUTO;
- curp.outtype = OUTT_ASCII;
+#if HAVE_PLEDGE
+ if (pledge("stdio rpath tmppath tty proc exec flock", NULL) == -1)
+ err((int)MANDOCLEVEL_SYSERR, "pledge");
+#endif
+
+#if HAVE_SANDBOX_INIT
+ if (sandbox_init(kSBXProfileNoInternet, SANDBOX_NAMED, NULL) == -1)
+ errx((int)MANDOCLEVEL_SYSERR, "sandbox_init");
+#endif
- /* LINTED */
- while (-1 != (c = getopt(argc, argv, "f:m:O:T:VW:")))
+ /* Search options. */
+
+ memset(&conf, 0, sizeof(conf));
+ conf_file = defpaths = NULL;
+ auxpaths = NULL;
+
+ memset(&search, 0, sizeof(struct mansearch));
+ search.outkey = "Nd";
+
+ if (strcmp(progname, BINM_MAN) == 0)
+ search.argmode = ARG_NAME;
+ else if (strcmp(progname, BINM_APROPOS) == 0)
+ search.argmode = ARG_EXPR;
+ else if (strcmp(progname, BINM_WHATIS) == 0)
+ search.argmode = ARG_WORD;
+ else if (strncmp(progname, "help", 4) == 0)
+ search.argmode = ARG_NAME;
+ else
+ search.argmode = ARG_FILE;
+
+ /* Parser and formatter options. */
+
+ memset(&curp, 0, sizeof(struct curparse));
+ curp.outtype = OUTT_LOCALE;
+ curp.wlevel = MANDOCLEVEL_BADARG;
+ curp.outopts = &conf.output;
+ options = MPARSE_SO | MPARSE_UTF8 | MPARSE_LATIN1;
+ defos = NULL;
+
+ use_pager = 1;
+ tag_files = NULL;
+ show_usage = 0;
+ outmode = OUTMODE_DEF;
+
+ while (-1 != (c = getopt(argc, argv,
+ "aC:cfhI:iK:klM:m:O:S:s:T:VW:w"))) {
switch (c) {
- case ('f'):
- if ( ! foptions(&curp.fflags, optarg))
- return(EXIT_FAILURE);
+ case 'a':
+ outmode = OUTMODE_ALL;
+ break;
+ case 'C':
+ conf_file = optarg;
+ break;
+ case 'c':
+ use_pager = 0;
+ break;
+ case 'f':
+ search.argmode = ARG_WORD;
+ break;
+ case 'h':
+ conf.output.synopsisonly = 1;
+ use_pager = 0;
+ outmode = OUTMODE_ALL;
break;
- case ('m'):
- if ( ! moptions(&curp.inttype, optarg))
- return(EXIT_FAILURE);
+ case 'I':
+ if (strncmp(optarg, "os=", 3)) {
+ warnx("-I %s: Bad argument", optarg);
+ return (int)MANDOCLEVEL_BADARG;
+ }
+ if (defos) {
+ warnx("-I %s: Duplicate argument", optarg);
+ return (int)MANDOCLEVEL_BADARG;
+ }
+ defos = mandoc_strdup(optarg + 3);
+ break;
+ case 'i':
+ outmode = OUTMODE_INT;
+ break;
+ case 'K':
+ if ( ! koptions(&options, optarg))
+ return (int)MANDOCLEVEL_BADARG;
break;
- case ('O'):
- curp.outopts = optarg;
+ case 'k':
+ search.argmode = ARG_EXPR;
break;
- case ('T'):
- if ( ! toptions(&curp.outtype, optarg))
- return(EXIT_FAILURE);
+ case 'l':
+ search.argmode = ARG_FILE;
+ outmode = OUTMODE_ALL;
break;
- case ('W'):
- if ( ! woptions(&curp.wflags, optarg))
- return(EXIT_FAILURE);
+ case 'M':
+ defpaths = optarg;
+ break;
+ case 'm':
+ auxpaths = optarg;
+ break;
+ case 'O':
+ search.outkey = optarg;
+ while (optarg != NULL) {
+ thisarg = optarg;
+ if (manconf_output(&conf.output,
+ strsep(&optarg, ","), 0) == 0)
+ continue;
+ warnx("-O %s: Bad argument", thisarg);
+ return (int)MANDOCLEVEL_BADARG;
+ }
+ break;
+ case 'S':
+ search.arch = optarg;
+ break;
+ case 's':
+ search.sec = optarg;
+ break;
+ case 'T':
+ if ( ! toptions(&curp, optarg))
+ return (int)MANDOCLEVEL_BADARG;
+ break;
+ case 'W':
+ if ( ! woptions(&curp, optarg))
+ return (int)MANDOCLEVEL_BADARG;
+ break;
+ case 'w':
+ outmode = OUTMODE_FLN;
break;
- case ('V'):
- version();
- /* NOTREACHED */
default:
- usage();
- /* NOTREACHED */
+ show_usage = 1;
+ break;
}
-
- argc -= optind;
- argv += optind;
-
- bzero(&ln, sizeof(struct buf));
- bzero(&blk, sizeof(struct buf));
-
- rc = 1;
-
- if (NULL == *argv) {
- curp.file = "<stdin>";
- curp.fd = STDIN_FILENO;
-
- c = fdesc(&blk, &ln, &curp);
- if ( ! (IGN_ERRORS & curp.fflags))
- rc = 1 == c ? 1 : 0;
- else
- rc = -1 == c ? 0 : 1;
}
- while (rc && *argv) {
- c = ffile(&blk, &ln, *argv, &curp);
- if ( ! (IGN_ERRORS & curp.fflags))
- rc = 1 == c ? 1 : 0;
- else
- rc = -1 == c ? 0 : 1;
+ if (show_usage)
+ usage(search.argmode);
- argv++;
- if (*argv && rc) {
- if (curp.lastman)
- if ( ! man_reset(curp.lastman))
- rc = 0;
- if (curp.lastmdoc)
- if ( ! mdoc_reset(curp.lastmdoc))
- rc = 0;
- curp.lastman = NULL;
- curp.lastmdoc = NULL;
+ /* Postprocess options. */
+
+ if (outmode == OUTMODE_DEF) {
+ switch (search.argmode) {
+ case ARG_FILE:
+ outmode = OUTMODE_ALL;
+ use_pager = 0;
+ break;
+ case ARG_NAME:
+ outmode = OUTMODE_ONE;
+ break;
+ default:
+ outmode = OUTMODE_LST;
+ break;
}
}
- if (blk.buf)
- free(blk.buf);
- if (ln.buf)
- free(ln.buf);
- if (curp.outfree)
- (*curp.outfree)(curp.outdata);
- if (curp.mdoc)
- mdoc_free(curp.mdoc);
- if (curp.man)
- man_free(curp.man);
-
- return(rc ? EXIT_SUCCESS : EXIT_FAILURE);
-}
+ if (outmode == OUTMODE_FLN ||
+ outmode == OUTMODE_LST ||
+ !isatty(STDOUT_FILENO))
+ use_pager = 0;
+#if HAVE_PLEDGE
+ if (!use_pager)
+ if (pledge("stdio rpath flock", NULL) == -1)
+ err((int)MANDOCLEVEL_SYSERR, "pledge");
+#endif
-__dead static void
-version(void)
-{
+ /* Parse arguments. */
- (void)printf("%s %s\n", __progname, VERSION);
- exit(EXIT_SUCCESS);
-}
+ if (argc > 0) {
+ argc -= optind;
+ argv += optind;
+ }
+ resp = NULL;
+ /*
+ * Quirks for help(1)
+ * and for a man(1) section argument without -s.
+ */
-__dead static void
-usage(void)
-{
+ if (search.argmode == ARG_NAME) {
+ if (*progname == 'h') {
+ if (argc == 0) {
+ argv = help_argv;
+ argc = 1;
+ }
+ } else if (argc > 1 &&
+ ((uc = (unsigned char *)argv[0]) != NULL) &&
+ ((isdigit(uc[0]) && (uc[1] == '\0' ||
+ (isalpha(uc[1]) && uc[2] == '\0'))) ||
+ (uc[0] == 'n' && uc[1] == '\0'))) {
+ search.sec = (char *)uc;
+ argv++;
+ argc--;
+ }
+ if (search.arch == NULL)
+ search.arch = getenv("MACHINE");
+#ifdef MACHINE
+ if (search.arch == NULL)
+ search.arch = MACHINE;
+#endif
+ }
- (void)fprintf(stderr, "usage: %s [-V] [-foption...] "
- "[-mformat] [-Ooption] [-Toutput] "
- "[-Werr...]\n", __progname);
- exit(EXIT_FAILURE);
-}
+ rc = MANDOCLEVEL_OK;
+ /* man(1), whatis(1), apropos(1) */
-static struct man *
-man_init(struct curparse *curp)
-{
- int pflags;
- struct man *man;
- struct man_cb mancb;
+ if (search.argmode != ARG_FILE) {
+ if (search.argmode == ARG_NAME &&
+ outmode == OUTMODE_ONE)
+ search.firstmatch = 1;
- mancb.man_err = merr;
- mancb.man_warn = mwarn;
+ /* Access the mandoc database. */
- /* Defaults from mandoc.1. */
+ manconf_parse(&conf, conf_file, defpaths, auxpaths);
+ if ( ! mansearch(&search, &conf.manpath,
+ argc, argv, &res, &sz))
+ usage(search.argmode);
- pflags = MAN_IGN_MACRO | MAN_IGN_ESCAPE | MAN_IGN_CHARS;
+ if (sz == 0) {
+ if (search.argmode == ARG_NAME)
+ fs_search(&search, &conf.manpath,
+ argc, argv, &res, &sz);
+ else
+ warnx("nothing appropriate");
+ }
- if (curp->fflags & NO_IGN_MACRO)
- pflags &= ~MAN_IGN_MACRO;
- if (curp->fflags & NO_IGN_CHARS)
- pflags &= ~MAN_IGN_CHARS;
- if (curp->fflags & NO_IGN_ESCAPE)
- pflags &= ~MAN_IGN_ESCAPE;
+ if (sz == 0) {
+ rc = MANDOCLEVEL_BADARG;
+ goto out;
+ }
- if (NULL == (man = man_alloc(curp, pflags, &mancb)))
- warnx("memory exhausted");
+ /*
+ * For standard man(1) and -a output mode,
+ * prepare for copying filename pointers
+ * into the program parameter array.
+ */
+
+ if (outmode == OUTMODE_ONE) {
+ argc = 1;
+ best_prio = 20;
+ } else if (outmode == OUTMODE_ALL)
+ argc = (int)sz;
+
+ /* Iterate all matching manuals. */
+
+ resp = res;
+ for (i = 0; i < sz; i++) {
+ if (outmode == OUTMODE_FLN)
+ puts(res[i].file);
+ else if (outmode == OUTMODE_LST)
+ printf("%s - %s\n", res[i].names,
+ res[i].output == NULL ? "" :
+ res[i].output);
+ else if (outmode == OUTMODE_ONE) {
+ /* Search for the best section. */
+ sec = res[i].file;
+ sec += strcspn(sec, "123456789");
+ if (sec[0] == '\0')
+ continue;
+ prio = sec_prios[sec[0] - '1'];
+ if (sec[1] != '/')
+ prio += 10;
+ if (prio >= best_prio)
+ continue;
+ best_prio = prio;
+ resp = res + i;
+ }
+ }
- return(man);
-}
+ /*
+ * For man(1), -a and -i output mode, fall through
+ * to the main mandoc(1) code iterating files
+ * and running the parsers on each of them.
+ */
+ if (outmode == OUTMODE_FLN || outmode == OUTMODE_LST)
+ goto out;
+ }
-static struct mdoc *
-mdoc_init(struct curparse *curp)
-{
- int pflags;
- struct mdoc *mdoc;
- struct mdoc_cb mdoccb;
+ /* mandoc(1) */
- mdoccb.mdoc_err = merr;
- mdoccb.mdoc_warn = mwarn;
+#if HAVE_PLEDGE
+ if (use_pager) {
+ if (pledge("stdio rpath tmppath tty proc exec", NULL) == -1)
+ err((int)MANDOCLEVEL_SYSERR, "pledge");
+ } else {
+ if (pledge("stdio rpath", NULL) == -1)
+ err((int)MANDOCLEVEL_SYSERR, "pledge");
+ }
+#endif
- /* Defaults from mandoc.1. */
+ if (search.argmode == ARG_FILE && ! moptions(&options, auxpaths))
+ return (int)MANDOCLEVEL_BADARG;
- pflags = MDOC_IGN_MACRO | MDOC_IGN_ESCAPE | MDOC_IGN_CHARS;
+ mchars_alloc();
+ curp.mp = mparse_alloc(options, curp.wlevel, mmsg, defos);
- if (curp->fflags & IGN_SCOPE)
- pflags |= MDOC_IGN_SCOPE;
- if (curp->fflags & NO_IGN_ESCAPE)
- pflags &= ~MDOC_IGN_ESCAPE;
- if (curp->fflags & NO_IGN_MACRO)
- pflags &= ~MDOC_IGN_MACRO;
- if (curp->fflags & NO_IGN_CHARS)
- pflags &= ~MDOC_IGN_CHARS;
+ /*
+ * Conditionally start up the lookaside buffer before parsing.
+ */
+ if (OUTT_MAN == curp.outtype)
+ mparse_keep(curp.mp);
- if (NULL == (mdoc = mdoc_alloc(curp, pflags, &mdoccb)))
- warnx("memory exhausted");
+ if (argc < 1) {
+ if (use_pager)
+ tag_files = tag_init();
+ parse(&curp, STDIN_FILENO, "<stdin>");
+ }
- return(mdoc);
-}
+ while (argc > 0) {
+ fd = mparse_open(curp.mp, resp != NULL ? resp->file : *argv);
+ if (fd != -1) {
+ if (use_pager) {
+ tag_files = tag_init();
+ use_pager = 0;
+ }
+ if (resp == NULL)
+ parse(&curp, fd, *argv);
+ else if (resp->form == FORM_SRC) {
+ /* For .so only; ignore failure. */
+ chdir(conf.manpath.paths[resp->ipath]);
+ parse(&curp, fd, resp->file);
+ } else
+ passthrough(resp->file, fd,
+ conf.output.synopsisonly);
+
+ if (argc > 1 && curp.outtype <= OUTT_UTF8) {
+ if (curp.outdata == NULL)
+ outdata_alloc(&curp);
+ terminal_sepline(curp.outdata);
+ }
+ } else if (rc < MANDOCLEVEL_ERROR)
+ rc = MANDOCLEVEL_ERROR;
-static int
-ffile(struct buf *blk, struct buf *ln,
- const char *file, struct curparse *curp)
-{
- int c;
+ if (MANDOCLEVEL_OK != rc && curp.wstop)
+ break;
- curp->file = file;
- if (-1 == (curp->fd = open(curp->file, O_RDONLY, 0))) {
- warn("%s", curp->file);
- return(-1);
+ if (resp != NULL)
+ resp++;
+ else
+ argv++;
+ if (--argc)
+ mparse_reset(curp.mp);
}
- c = fdesc(blk, ln, curp);
-
- if (-1 == close(curp->fd))
- warn("%s", curp->file);
-
- return(c);
-}
-
+ if (curp.outdata != NULL) {
+ switch (curp.outtype) {
+ case OUTT_HTML:
+ html_free(curp.outdata);
+ break;
+ case OUTT_UTF8:
+ case OUTT_LOCALE:
+ case OUTT_ASCII:
+ ascii_free(curp.outdata);
+ break;
+ case OUTT_PDF:
+ case OUTT_PS:
+ pspdf_free(curp.outdata);
+ break;
+ default:
+ break;
+ }
+ }
+ mparse_free(curp.mp);
+ mchars_free();
-static int
-fdesc(struct buf *blk, struct buf *ln, struct curparse *curp)
-{
- size_t sz;
- ssize_t ssz;
- struct stat st;
- int j, i, pos, lnn, comment;
- struct man *man;
- struct mdoc *mdoc;
+out:
+ if (search.argmode != ARG_FILE) {
+ manconf_free(&conf);
+ mansearch_free(res, sz);
+ }
- sz = BUFSIZ;
- man = NULL;
- mdoc = NULL;
+ free(defos);
/*
- * Two buffers: ln and buf. buf is the input buffer optimised
- * here for each file's block size. ln is a line buffer. Both
- * growable, hence passed in by ptr-ptr.
+ * When using a pager, finish writing both temporary files,
+ * fork it, wait for the user to close it, and clean up.
*/
- if (-1 == fstat(curp->fd, &st))
- warn("%s", curp->file);
- else if ((size_t)st.st_blksize > sz)
- sz = st.st_blksize;
+ if (tag_files != NULL) {
+ fclose(stdout);
+ tag_write();
+ man_pgid = getpgid(0);
+ 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(tag_files->ofd);
+ if (tc_pgid != man_pgid) {
+ if (tc_pgid == pager_pid) {
+ (void)tcsetpgrp(tag_files->ofd,
+ man_pgid);
+ if (signum == SIGTTIN)
+ continue;
+ } else
+ tag_files->tcpgid = tc_pgid;
+ kill(0, signum);
+ continue;
+ }
- if (sz > blk->sz) {
- blk->buf = realloc(blk->buf, sz);
- if (NULL == blk->buf) {
- warn("realloc");
- return(-1);
- }
- blk->sz = sz;
- }
+ /* Once in the foreground, activate the pager. */
- /* Fill buf with file blocksize. */
+ if (pager_pid) {
+ (void)tcsetpgrp(tag_files->ofd, pager_pid);
+ kill(pager_pid, SIGCONT);
+ } else
+ pager_pid = spawn_pager(tag_files);
- for (lnn = pos = comment = 0; ; ) {
- if (-1 == (ssz = read(curp->fd, blk->buf, sz))) {
- warn("%s", curp->file);
- return(-1);
- } else if (0 == ssz)
- break;
+ /* Wait for the pager to stop or exit. */
- /* Parse the read block into partial or full lines. */
+ while ((pid = waitpid(pager_pid, &status,
+ WUNTRACED)) == -1 && errno == EINTR)
+ continue;
- for (i = 0; i < (int)ssz; i++) {
- if (pos >= (int)ln->sz) {
- ln->sz += 256; /* Step-size. */
- ln->buf = realloc(ln->buf, ln->sz);
- if (NULL == ln->buf) {
- warn("realloc");
- return(-1);
- }
+ if (pid == -1) {
+ warn("wait");
+ rc = MANDOCLEVEL_SYSERR;
+ break;
}
+ if (!WIFSTOPPED(status))
+ break;
- if ('\n' != blk->buf[i]) {
- if (comment)
- continue;
- ln->buf[pos++] = blk->buf[i];
+ signum = WSTOPSIG(status);
+ }
+ tag_unlink();
+ }
- /* Handle in-line `\"' comments. */
+ return (int)rc;
+}
- if (1 == pos || '\"' != ln->buf[pos - 1])
- continue;
+static void
+usage(enum argmode argmode)
+{
- for (j = pos - 2; j >= 0; j--)
- if ('\\' != ln->buf[j])
- break;
+ switch (argmode) {
+ case ARG_FILE:
+ fputs("usage: mandoc [-acfhkl] [-I os=name] "
+ "[-K encoding] [-mformat] [-O option]\n"
+ "\t [-T output] [-W level] [file ...]\n", stderr);
+ break;
+ case ARG_NAME:
+ fputs("usage: man [-acfhklw] [-C file] [-I os=name] "
+ "[-K encoding] [-M path] [-m path]\n"
+ "\t [-O option=value] [-S subsection] [-s section] "
+ "[-T output] [-W level]\n"
+ "\t [section] name ...\n", stderr);
+ break;
+ case ARG_WORD:
+ fputs("usage: whatis [-acfhklw] [-C file] "
+ "[-M path] [-m path] [-O outkey] [-S arch]\n"
+ "\t [-s section] name ...\n", stderr);
+ break;
+ case ARG_EXPR:
+ fputs("usage: apropos [-acfhklw] [-C file] "
+ "[-M path] [-m path] [-O outkey] [-S arch]\n"
+ "\t [-s section] expression ...\n", stderr);
+ break;
+ }
+ exit((int)MANDOCLEVEL_BADARG);
+}
- if ( ! ((pos - 2 - j) % 2))
- continue;
+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 globres;
+ enum form form;
+
+ 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);
+ }
- comment = 1;
- pos -= 2;
- continue;
- }
-
- /* Handle escaped `\\n' newlines. */
-
- if (pos > 0 && 0 == comment &&
- '\\' == ln->buf[pos - 1]) {
- for (j = pos - 1; j >= 0; j--)
- if ('\\' != ln->buf[j])
- break;
- if ( ! ((pos - j) % 2)) {
- pos--;
- lnn++;
- continue;
- }
- }
+ 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:
+ warnx("outdated mandoc.db lacks %s(%s) entry, run %s %s",
+ name, sec, BINM_MAKEWHATIS, paths->paths[ipath]);
+ *res = mandoc_reallocarray(*res, ++*ressz, sizeof(struct manpage));
+ page = *res + (*ressz - 1);
+ page->file = file;
+ page->names = NULL;
+ page->output = NULL;
+ page->ipath = ipath;
+ page->bits = NAME_FILE & NAME_MASK;
+ page->sec = (*sec >= '1' && *sec <= '9') ? *sec - '1' + 1 : 10;
+ page->form = form;
+ return 1;
+}
- ln->buf[pos] = 0;
- lnn++;
+static void
+fs_search(const struct mansearch *cfg, const struct manpaths *paths,
+ int argc, char **argv, struct manpage **res, size_t *ressz)
+{
+ const char *const sections[] =
+ {"1", "8", "6", "2", "3", "5", "7", "4", "9", "3p"};
+ const size_t nsec = sizeof(sections)/sizeof(sections[0]);
+
+ size_t ipath, isec, lastsz;
+
+ assert(cfg->argmode == ARG_NAME);
+
+ *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--;
+ }
+}
- /* If unset, assign parser in pset(). */
+static void
+parse(struct curparse *curp, int fd, const char *file)
+{
+ enum mandoclevel rctmp;
+ struct roff_man *man;
- if ( ! (man || mdoc) && ! pset(ln->buf,
- pos, curp, &man, &mdoc))
- return(-1);
+ /* Begin by parsing the file itself. */
- pos = comment = 0;
+ assert(file);
+ assert(fd >= 0);
- /* Pass down into parsers. */
+ rctmp = mparse_readfd(curp->mp, fd, file);
+ if (fd != STDIN_FILENO)
+ close(fd);
+ if (rc < rctmp)
+ rc = rctmp;
- if (man && ! man_parseln(man, lnn, ln->buf))
- return(0);
- if (mdoc && ! mdoc_parseln(mdoc, lnn, ln->buf))
- return(0);
- }
- }
+ /*
+ * With -Wstop and warnings or errors of at least the requested
+ * level, do not produce output.
+ */
- /* NOTE a parser may not have been assigned, yet. */
+ if (rctmp != MANDOCLEVEL_OK && curp->wstop)
+ return;
- if ( ! (man || mdoc)) {
- (void)fprintf(stderr, "%s: not a manual\n",
- curp->file);
- return(0);
- }
+ if (curp->outdata == NULL)
+ outdata_alloc(curp);
- if (mdoc && ! mdoc_endparse(mdoc))
- return(0);
- if (man && ! man_endparse(man))
- return(0);
+ mparse_result(curp->mp, &man, NULL);
- /* If unset, allocate output dev now (if applicable). */
+ /* Execute the out device, if it exists. */
- if ( ! (curp->outman && curp->outmdoc)) {
+ if (man == NULL)
+ return;
+ if (man->macroset == MACROSET_MDOC) {
+ mdoc_validate(man);
switch (curp->outtype) {
- case (OUTT_HTML):
- curp->outdata = html_alloc(curp->outopts);
- curp->outman = html_man;
- curp->outmdoc = html_mdoc;
- curp->outfree = html_free;
+ case OUTT_HTML:
+ html_mdoc(curp->outdata, man);
+ break;
+ case OUTT_TREE:
+ tree_mdoc(curp->outdata, man);
break;
- case (OUTT_TREE):
- curp->outman = tree_man;
- curp->outmdoc = tree_mdoc;
+ case OUTT_MAN:
+ man_mdoc(curp->outdata, man);
break;
- case (OUTT_LINT):
+ case OUTT_PDF:
+ case OUTT_ASCII:
+ case OUTT_UTF8:
+ case OUTT_LOCALE:
+ case OUTT_PS:
+ terminal_mdoc(curp->outdata, man);
break;
default:
- curp->outdata = ascii_alloc();
- curp->outman = terminal_man;
- curp->outmdoc = terminal_mdoc;
- curp->outfree = terminal_free;
break;
}
}
-
- /* Execute the out device, if it exists. */
-
- if (man && curp->outman)
- (*curp->outman)(curp->outdata, man);
- if (mdoc && curp->outmdoc)
- (*curp->outmdoc)(curp->outdata, mdoc);
-
- return(1);
+ if (man->macroset == MACROSET_MAN) {
+ man_validate(man);
+ switch (curp->outtype) {
+ case OUTT_HTML:
+ html_man(curp->outdata, man);
+ break;
+ case OUTT_TREE:
+ tree_man(curp->outdata, man);
+ break;
+ case OUTT_MAN:
+ man_man(curp->outdata, man);
+ break;
+ case OUTT_PDF:
+ case OUTT_ASCII:
+ case OUTT_UTF8:
+ case OUTT_LOCALE:
+ case OUTT_PS:
+ terminal_man(curp->outdata, man);
+ break;
+ default:
+ break;
+ }
+ }
+ mparse_updaterc(curp->mp, &rc);
}
+static void
+outdata_alloc(struct curparse *curp)
+{
+ switch (curp->outtype) {
+ case OUTT_HTML:
+ curp->outdata = html_alloc(curp->outopts);
+ break;
+ case OUTT_UTF8:
+ curp->outdata = utf8_alloc(curp->outopts);
+ break;
+ case OUTT_LOCALE:
+ curp->outdata = locale_alloc(curp->outopts);
+ break;
+ case OUTT_ASCII:
+ curp->outdata = ascii_alloc(curp->outopts);
+ break;
+ case OUTT_PDF:
+ curp->outdata = pdf_alloc(curp->outopts);
+ break;
+ case OUTT_PS:
+ curp->outdata = ps_alloc(curp->outopts);
+ break;
+ default:
+ break;
+ }
+}
-static int
-pset(const char *buf, int pos, struct curparse *curp,
- struct man **man, struct mdoc **mdoc)
+static void
+passthrough(const char *file, int fd, int synopsis_only)
{
- int i;
+ const char synb[] = "S\bSY\bYN\bNO\bOP\bPS\bSI\bIS\bS";
+ const char synr[] = "SYNOPSIS";
+
+ FILE *stream;
+ const char *syscall;
+ char *line, *cp;
+ size_t linesz;
+ ssize_t len, written;
+ int print;
+
+ line = NULL;
+ linesz = 0;
+
+ if (fflush(stdout) == EOF) {
+ syscall = "fflush";
+ goto fail;
+ }
- /*
- * Try to intuit which kind of manual parser should be used. If
- * passed in by command-line (-man, -mdoc), then use that
- * explicitly. If passed as -mandoc, then try to guess from the
- * line: either skip dot-lines, use -mdoc when finding `.Dt', or
- * default to -man, which is more lenient.
- */
+ if ((stream = fdopen(fd, "r")) == NULL) {
+ close(fd);
+ syscall = "fdopen";
+ goto fail;
+ }
- if (buf[0] == '.') {
- for (i = 1; buf[i]; i++)
- if (' ' != buf[i] && '\t' != buf[i])
- break;
- if (0 == buf[i])
- return(1);
+ print = 0;
+ while ((len = getline(&line, &linesz, stream)) != -1) {
+ cp = line;
+ if (synopsis_only) {
+ if (print) {
+ if ( ! isspace((unsigned char)*cp))
+ goto done;
+ while (isspace((unsigned char)*cp)) {
+ cp++;
+ len--;
+ }
+ } else {
+ if (strcmp(cp, synb) == 0 ||
+ strcmp(cp, synr) == 0)
+ print = 1;
+ continue;
+ }
+ }
+ for (; len > 0; len -= written) {
+ if ((written = write(STDOUT_FILENO, cp, len)) != -1)
+ continue;
+ fclose(stream);
+ syscall = "write";
+ goto fail;
+ }
}
- switch (curp->inttype) {
- case (INTT_MDOC):
- if (NULL == curp->mdoc)
- curp->mdoc = mdoc_init(curp);
- if (NULL == (*mdoc = curp->mdoc))
- return(0);
- curp->lastmdoc = *mdoc;
- return(1);
- case (INTT_MAN):
- if (NULL == curp->man)
- curp->man = man_init(curp);
- if (NULL == (*man = curp->man))
- return(0);
- curp->lastman = *man;
- return(1);
- default:
- break;
+ if (ferror(stream)) {
+ fclose(stream);
+ syscall = "getline";
+ goto fail;
}
- if (pos >= 3 && 0 == memcmp(buf, ".Dd", 3)) {
- if (NULL == curp->mdoc)
- curp->mdoc = mdoc_init(curp);
- if (NULL == (*mdoc = curp->mdoc))
- return(0);
- curp->lastmdoc = *mdoc;
- return(1);
- }
-
- if (NULL == curp->man)
- curp->man = man_init(curp);
- if (NULL == (*man = curp->man))
- return(0);
- curp->lastman = *man;
- return(1);
+done:
+ free(line);
+ fclose(stream);
+ return;
+
+fail:
+ free(line);
+ warn("%s: SYSERR: %s", file, syscall);
+ if (rc < MANDOCLEVEL_SYSERR)
+ rc = MANDOCLEVEL_SYSERR;
}
+static int
+koptions(int *options, char *arg)
+{
+
+ if ( ! strcmp(arg, "utf-8")) {
+ *options |= MPARSE_UTF8;
+ *options &= ~MPARSE_LATIN1;
+ } else if ( ! strcmp(arg, "iso-8859-1")) {
+ *options |= MPARSE_LATIN1;
+ *options &= ~MPARSE_UTF8;
+ } else if ( ! strcmp(arg, "us-ascii")) {
+ *options &= ~(MPARSE_UTF8 | MPARSE_LATIN1);
+ } else {
+ warnx("-K %s: Bad argument", arg);
+ return 0;
+ }
+ return 1;
+}
static int
-moptions(enum intt *tflags, char *arg)
+moptions(int *options, char *arg)
{
- if (0 == strcmp(arg, "doc"))
- *tflags = INTT_MDOC;
+ if (arg == NULL)
+ /* nothing to do */;
+ else if (0 == strcmp(arg, "doc"))
+ *options |= MPARSE_MDOC;
else if (0 == strcmp(arg, "andoc"))
- *tflags = INTT_AUTO;
+ /* nothing to do */;
else if (0 == strcmp(arg, "an"))
- *tflags = INTT_MAN;
+ *options |= MPARSE_MAN;
else {
- warnx("bad argument: -m%s", arg);
- return(0);
+ warnx("-m %s: Bad argument", arg);
+ return 0;
}
- return(1);
+ return 1;
}
-
static int
-toptions(enum outt *tflags, char *arg)
+toptions(struct curparse *curp, char *arg)
{
if (0 == strcmp(arg, "ascii"))
- *tflags = OUTT_ASCII;
- else if (0 == strcmp(arg, "lint"))
- *tflags = OUTT_LINT;
- else if (0 == strcmp(arg, "tree"))
- *tflags = OUTT_TREE;
+ curp->outtype = OUTT_ASCII;
+ else if (0 == strcmp(arg, "lint")) {
+ curp->outtype = OUTT_LINT;
+ curp->wlevel = MANDOCLEVEL_WARNING;
+ } else if (0 == strcmp(arg, "tree"))
+ curp->outtype = OUTT_TREE;
+ else if (0 == strcmp(arg, "man"))
+ curp->outtype = OUTT_MAN;
else if (0 == strcmp(arg, "html"))
- *tflags = OUTT_HTML;
+ curp->outtype = OUTT_HTML;
+ else if (0 == strcmp(arg, "utf8"))
+ curp->outtype = OUTT_UTF8;
+ else if (0 == strcmp(arg, "locale"))
+ curp->outtype = OUTT_LOCALE;
+ else if (0 == strcmp(arg, "xhtml"))
+ curp->outtype = OUTT_HTML;
+ else if (0 == strcmp(arg, "ps"))
+ curp->outtype = OUTT_PS;
+ else if (0 == strcmp(arg, "pdf"))
+ curp->outtype = OUTT_PDF;
else {
- warnx("bad argument: -T%s", arg);
- return(0);
+ warnx("-T %s: Bad argument", arg);
+ return 0;
}
- return(1);
+ return 1;
}
-
static int
-foptions(int *fflags, char *arg)
+woptions(struct curparse *curp, char *arg)
{
char *v, *o;
const char *toks[7];
- toks[0] = "ign-scope";
- toks[1] = "no-ign-escape";
- toks[2] = "no-ign-macro";
- toks[3] = "no-ign-chars";
- toks[4] = "ign-errors";
- toks[5] = "strict";
+ toks[0] = "stop";
+ toks[1] = "all";
+ toks[2] = "warning";
+ toks[3] = "error";
+ toks[4] = "unsupp";
+ toks[5] = "fatal";
toks[6] = NULL;
while (*arg) {
o = arg;
- switch (getsubopt(&arg, UNCONST(toks), &v)) {
- case (0):
- *fflags |= IGN_SCOPE;
+ switch (getsubopt(&arg, (char * const *)toks, &v)) {
+ case 0:
+ curp->wstop = 1;
break;
- case (1):
- *fflags |= NO_IGN_ESCAPE;
+ case 1:
+ case 2:
+ curp->wlevel = MANDOCLEVEL_WARNING;
break;
- case (2):
- *fflags |= NO_IGN_MACRO;
+ case 3:
+ curp->wlevel = MANDOCLEVEL_ERROR;
break;
- case (3):
- *fflags |= NO_IGN_CHARS;
+ case 4:
+ curp->wlevel = MANDOCLEVEL_UNSUPP;
break;
- case (4):
- *fflags |= IGN_ERRORS;
- break;
- case (5):
- *fflags |= NO_IGN_ESCAPE |
- NO_IGN_MACRO | NO_IGN_CHARS;
+ case 5:
+ curp->wlevel = MANDOCLEVEL_BADARG;
break;
default:
- warnx("bad argument: -f%s", o);
- return(0);
+ warnx("-W %s: Bad argument", o);
+ return 0;
}
}
- return(1);
+ return 1;
}
-
-static int
-woptions(int *wflags, char *arg)
+static void
+mmsg(enum mandocerr t, enum mandoclevel lvl,
+ const char *file, int line, int col, const char *msg)
{
- char *v, *o;
- const char *toks[3];
+ const char *mparse_msg;
- toks[0] = "all";
- toks[1] = "error";
- toks[2] = NULL;
+ fprintf(stderr, "%s: %s:", getprogname(),
+ file == NULL ? "<stdin>" : file);
- while (*arg) {
- o = arg;
- switch (getsubopt(&arg, UNCONST(toks), &v)) {
- case (0):
- *wflags |= WARN_WALL;
- break;
- case (1):
- *wflags |= WARN_WERR;
- break;
- default:
- warnx("bad argument: -W%s", o);
- return(0);
- }
- }
+ if (line)
+ fprintf(stderr, "%d:%d:", line, col + 1);
- return(1);
-}
+ fprintf(stderr, " %s", mparse_strlevel(lvl));
+ if (NULL != (mparse_msg = mparse_strerror(t)))
+ fprintf(stderr, ": %s", mparse_msg);
-/* ARGSUSED */
-static int
-merr(void *arg, int line, int col, const char *msg)
+ if (msg)
+ fprintf(stderr, ": %s", msg);
+
+ fputc('\n', stderr);
+}
+
+static pid_t
+spawn_pager(struct tag_files *tag_files)
{
- struct curparse *curp;
+ const struct timespec timeout = { 0, 100000000 }; /* 0.1s */
+#define MAX_PAGER_ARGS 16
+ char *argv[MAX_PAGER_ARGS];
+ const char *pager;
+ char *cp;
+ size_t cmdlen;
+ int argc;
+ pid_t pager_pid;
+
+ pager = getenv("MANPAGER");
+ if (pager == NULL || *pager == '\0')
+ pager = getenv("PAGER");
+ if (pager == NULL || *pager == '\0')
+ pager = "more -s";
+ cp = mandoc_strdup(pager);
- curp = (struct curparse *)arg;
+ /*
+ * Parse the pager command into words.
+ * Intentionally do not do anything fancy here.
+ */
- (void)fprintf(stderr, "%s:%d:%d: error: %s\n",
- curp->file, line, col + 1, msg);
+ argc = 0;
+ while (argc + 4 < MAX_PAGER_ARGS) {
+ argv[argc++] = cp;
+ cp = strchr(cp, ' ');
+ if (cp == NULL)
+ break;
+ *cp++ = '\0';
+ while (*cp == ' ')
+ cp++;
+ if (*cp == '\0')
+ break;
+ }
- return(0);
-}
+ /* For less(1), use the tag file. */
+ if ((cmdlen = strlen(argv[0])) >= 4) {
+ cp = argv[0] + cmdlen - 4;
+ if (strcmp(cp, "less") == 0) {
+ argv[argc++] = mandoc_strdup("-T");
+ argv[argc++] = tag_files->tfn;
+ }
+ }
+ argv[argc++] = tag_files->ofn;
+ argv[argc] = NULL;
-static int
-mwarn(void *arg, int line, int col, const char *msg)
-{
- struct curparse *curp;
+ switch (pager_pid = fork()) {
+ case -1:
+ err((int)MANDOCLEVEL_SYSERR, "fork");
+ case 0:
+ break;
+ default:
+ (void)setpgid(pager_pid, 0);
+ (void)tcsetpgrp(tag_files->ofd, pager_pid);
+#if HAVE_PLEDGE
+ if (pledge("stdio rpath tmppath tty proc", NULL) == -1)
+ err((int)MANDOCLEVEL_SYSERR, "pledge");
+#endif
+ tag_files->pager_pid = pager_pid;
+ return pager_pid;
+ }
- curp = (struct curparse *)arg;
+ /* The child process becomes the pager. */
- if ( ! (curp->wflags & WARN_WALL))
- return(1);
+ if (dup2(tag_files->ofd, STDOUT_FILENO) == -1)
+ err((int)MANDOCLEVEL_SYSERR, "pager stdout");
+ close(tag_files->ofd);
+ close(tag_files->tfd);
- (void)fprintf(stderr, "%s:%d:%d: warning: %s\n",
- curp->file, line, col + 1, msg);
+ /* Do not start the pager before controlling the terminal. */
- if ( ! (curp->wflags & WARN_WERR))
- return(1);
-
- return(0);
-}
+ while (tcgetpgrp(STDOUT_FILENO) != getpid())
+ nanosleep(&timeout, NULL);
+ execvp(argv[0], argv);
+ err((int)MANDOCLEVEL_SYSERR, "exec %s", argv[0]);
+}
git.ckatri.com / mandoc.git / blobdiff