-/* $Id: main.c,v 1.169 2014/01/06 00:53:33 schwarze Exp $ */
+/* $Id: main.c,v 1.280 2017/01/27 13:47:10 schwarze Exp $ */
/*
- * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
- * Copyright (c) 2010, 2011, 2012 Ingo Schwarze <schwarze@openbsd.org>
+ * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
+ * Copyright (c) 2010-2012, 2014-2017 Ingo Schwarze <schwarze@openbsd.org>
* Copyright (c) 2010 Joerg Sonnenberger <joerg@netbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* 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.
*/
-#ifdef HAVE_CONFIG_H
#include "config.h"
-#endif
+
+#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 "main.h"
+#include "roff.h"
#include "mdoc.h"
#include "man.h"
+#include "tag.h"
+#include "main.h"
+#include "manconf.h"
+#include "mansearch.h"
-#if !defined(__GNUC__) || (__GNUC__ < 2)
-# if !defined(lint)
-# define __attribute__(x)
-# endif
-#endif /* !defined(__GNUC__) || (__GNUC__ < 2) */
-
-typedef void (*out_mdoc)(void *, const struct mdoc *);
-typedef void (*out_man)(void *, const struct man *);
-typedef void (*out_free)(void *);
+enum outmode {
+ OUTMODE_DEF = 0,
+ OUTMODE_FLN,
+ OUTMODE_LST,
+ OUTMODE_ALL,
+ OUTMODE_INT,
+ OUTMODE_ONE
+};
enum outt {
OUTT_ASCII = 0, /* -Tascii */
OUTT_TREE, /* -Ttree */
OUTT_MAN, /* -Tman */
OUTT_HTML, /* -Thtml */
- OUTT_XHTML, /* -Txhtml */
OUTT_LINT, /* -Tlint */
OUTT_PS, /* -Tps */
OUTT_PDF /* -Tpdf */
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 */
- out_mdoc outmdoc; /* mdoc output ptr */
- out_man outman; /* man output ptr */
- out_free outfree; /* free output ptr */
+ enum outt outtype; /* which output to use */
void *outdata; /* data for output */
- char outopts[BUFSIZ]; /* buf of output opts */
+ struct manoutput *outopts; /* output options */
};
-static int moptions(enum mparset *, char *);
+
+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 parse(struct curparse *, int,
- const char *, enum mandoclevel *);
+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(void) __attribute__((noreturn));
-static void version(void) __attribute__((noreturn));
+static void usage(enum argmode) __attribute__((noreturn));
static int woptions(struct curparse *, char *);
-static const char *progname;
+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;
+ struct manconf conf;
struct curparse curp;
- enum mparset type;
- enum mandoclevel rc;
+ 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;
- progname = strrchr(argv[0], '/');
- if (progname == NULL)
+#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
- memset(&curp, 0, sizeof(struct curparse));
+ if (strncmp(progname, "mandocdb", 8) == 0 ||
+ strcmp(progname, BINM_MAKEWHATIS) == 0)
+ return mandocdb(argc, argv);
+
+#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
+
+ /* Search options. */
- type = MPARSE_AUTO;
- curp.outtype = OUTT_ASCII;
- curp.wlevel = MANDOCLEVEL_FATAL;
+ 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;
- /* LINTED */
- while (-1 != (c = getopt(argc, argv, "I:m:O:T:VW:")))
+ 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 ('I'):
+ 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 'I':
if (strncmp(optarg, "os=", 3)) {
- fprintf(stderr, "-I%s: Bad argument\n",
- optarg);
- return((int)MANDOCLEVEL_BADARG);
+ warnx("-I %s: Bad argument", optarg);
+ return (int)MANDOCLEVEL_BADARG;
}
if (defos) {
- fprintf(stderr, "-I%s: Duplicate argument\n",
- optarg);
- return((int)MANDOCLEVEL_BADARG);
+ warnx("-I %s: Duplicate argument", optarg);
+ return (int)MANDOCLEVEL_BADARG;
}
defos = mandoc_strdup(optarg + 3);
break;
- case ('m'):
- if ( ! moptions(&type, optarg))
- return((int)MANDOCLEVEL_BADARG);
+ case 'i':
+ outmode = OUTMODE_INT;
+ break;
+ case 'K':
+ if ( ! koptions(&options, optarg))
+ return (int)MANDOCLEVEL_BADARG;
+ break;
+ case 'k':
+ search.argmode = ARG_EXPR;
+ break;
+ case 'l':
+ search.argmode = ARG_FILE;
+ outmode = OUTMODE_ALL;
+ break;
+ 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 ('O'):
- (void)strlcat(curp.outopts, optarg, BUFSIZ);
- (void)strlcat(curp.outopts, ",", BUFSIZ);
+ case 's':
+ search.sec = optarg;
break;
- case ('T'):
+ case 'T':
if ( ! toptions(&curp, optarg))
- return((int)MANDOCLEVEL_BADARG);
+ return (int)MANDOCLEVEL_BADARG;
break;
- case ('W'):
+ case 'W':
if ( ! woptions(&curp, optarg))
- return((int)MANDOCLEVEL_BADARG);
+ return (int)MANDOCLEVEL_BADARG;
+ break;
+ case 'w':
+ outmode = OUTMODE_FLN;
break;
- case ('V'):
- version();
- /* NOTREACHED */
default:
- usage();
- /* NOTREACHED */
+ show_usage = 1;
+ break;
}
+ }
+
+ if (show_usage)
+ usage(search.argmode);
+
+ /* 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;
+ }
+ }
- curp.mp = mparse_alloc(type, curp.wlevel, mmsg, defos, 0);
+ 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
+
+ /* Parse arguments. */
+
+ if (argc > 0) {
+ argc -= optind;
+ argv += optind;
+ }
+ resp = NULL;
+
+ /*
+ * Quirks for help(1)
+ * and for a man(1) section argument without -s.
+ */
+
+ 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
+ }
+
+ rc = MANDOCLEVEL_OK;
+
+ /* man(1), whatis(1), apropos(1) */
+
+ if (search.argmode != ARG_FILE) {
+ if (search.argmode == ARG_NAME &&
+ outmode == OUTMODE_ONE)
+ search.firstmatch = 1;
+
+ /* Access the mandoc database. */
+
+ manconf_parse(&conf, conf_file, defpaths, auxpaths);
+ if ( ! mansearch(&search, &conf.manpath,
+ argc, argv, &res, &sz))
+ usage(search.argmode);
+
+ if (sz == 0) {
+ if (search.argmode == ARG_NAME)
+ fs_search(&search, &conf.manpath,
+ argc, argv, &res, &sz);
+ else
+ warnx("nothing appropriate");
+ }
+
+ if (sz == 0) {
+ rc = MANDOCLEVEL_BADARG;
+ goto out;
+ }
+
+ /*
+ * 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;
+ }
+ }
+
+ /*
+ * For man(1), -a and -i output mode, fall through
+ * to the main mandoc(1) code iterating files
+ * and running the parsers on each of them.
+ */
+
+ if (outmode == OUTMODE_FLN || outmode == OUTMODE_LST)
+ goto out;
+ }
+
+ /* mandoc(1) */
+
+#if HAVE_PLEDGE
+ if (use_pager) {
+ if (pledge("stdio rpath tmppath tty proc exec", NULL) == -1)
+ err((int)MANDOCLEVEL_SYSERR, "pledge");
+ } else {
+ if (pledge("stdio rpath", NULL) == -1)
+ err((int)MANDOCLEVEL_SYSERR, "pledge");
+ }
+#endif
+
+ if (search.argmode == ARG_FILE && ! moptions(&options, auxpaths))
+ return (int)MANDOCLEVEL_BADARG;
+
+ mchars_alloc();
+ curp.mp = mparse_alloc(options, curp.wlevel, mmsg, defos);
/*
* Conditionally start up the lookaside buffer before parsing.
if (OUTT_MAN == curp.outtype)
mparse_keep(curp.mp);
- argc -= optind;
- argv += optind;
+ if (argc < 1) {
+ if (use_pager)
+ tag_files = tag_init();
+ parse(&curp, STDIN_FILENO, "<stdin>");
+ }
- rc = MANDOCLEVEL_OK;
+ 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 (NULL == *argv)
- parse(&curp, STDIN_FILENO, "<stdin>", &rc);
+ 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;
- while (*argv) {
- parse(&curp, -1, *argv, &rc);
if (MANDOCLEVEL_OK != rc && curp.wstop)
break;
- ++argv;
+
+ if (resp != NULL)
+ resp++;
+ else
+ argv++;
+ if (--argc)
+ mparse_reset(curp.mp);
+ }
+
+ if (curp.outdata != NULL) {
+ switch (curp.outtype) {
+ case OUTT_HTML:
+ html_free(curp.outdata);
+ break;
+ case OUTT_UTF8:
+ case OUTT_LOCALE:
+ case OUTT_ASCII:
+ ascii_free(curp.outdata);
+ break;
+ case OUTT_PDF:
+ case OUTT_PS:
+ pspdf_free(curp.outdata);
+ break;
+ default:
+ break;
+ }
+ }
+ mparse_free(curp.mp);
+ mchars_free();
+
+out:
+ if (search.argmode != ARG_FILE) {
+ manconf_free(&conf);
+ mansearch_free(res, sz);
}
- if (curp.outfree)
- (*curp.outfree)(curp.outdata);
- if (curp.mp)
- mparse_free(curp.mp);
free(defos);
- return((int)rc);
+ /*
+ * When using a pager, finish writing both temporary files,
+ * fork it, wait for the user to close it, and clean up.
+ */
+
+ 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;
+ }
+
+ /* Once in the foreground, activate the pager. */
+
+ if (pager_pid) {
+ (void)tcsetpgrp(tag_files->ofd, pager_pid);
+ kill(pager_pid, SIGCONT);
+ } else
+ pager_pid = spawn_pager(tag_files);
+
+ /* Wait for the pager to stop or exit. */
+
+ while ((pid = waitpid(pager_pid, &status,
+ WUNTRACED)) == -1 && errno == EINTR)
+ continue;
+
+ if (pid == -1) {
+ warn("wait");
+ rc = MANDOCLEVEL_SYSERR;
+ break;
+ }
+ if (!WIFSTOPPED(status))
+ break;
+
+ signum = WSTOPSIG(status);
+ }
+ tag_unlink();
+ }
+
+ return (int)rc;
}
static void
-version(void)
+usage(enum argmode argmode)
{
- printf("%s %s\n", progname, VERSION);
- exit((int)MANDOCLEVEL_OK);
+ switch (argmode) {
+ case ARG_FILE:
+ fputs("usage: mandoc [-acfhkl] [-I os=name] "
+ "[-K encoding] [-mformat] [-O option]\n"
+ "\t [-T output] [-W level] [file ...]\n", stderr);
+ break;
+ case ARG_NAME:
+ fputs("usage: man [-acfhklw] [-C file] [-I os=name] "
+ "[-K encoding] [-M path] [-m path]\n"
+ "\t [-O option=value] [-S subsection] [-s section] "
+ "[-T output] [-W level]\n"
+ "\t [section] name ...\n", stderr);
+ break;
+ case ARG_WORD:
+ fputs("usage: whatis [-acfhklw] [-C file] "
+ "[-M path] [-m path] [-O outkey] [-S arch]\n"
+ "\t [-s section] name ...\n", stderr);
+ break;
+ case ARG_EXPR:
+ fputs("usage: apropos [-acfhklw] [-C file] "
+ "[-M path] [-m path] [-O outkey] [-S arch]\n"
+ "\t [-s section] expression ...\n", stderr);
+ break;
+ }
+ exit((int)MANDOCLEVEL_BADARG);
+}
+
+static int
+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);
+ }
+
+ 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;
}
static void
-usage(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]);
- fprintf(stderr, "usage: %s "
- "[-V] "
- "[-Ios=name] "
- "[-mformat] "
- "[-Ooption] "
- "[-Toutput] "
- "[-Wlevel]\n"
- "\t [file ...]\n",
- progname);
+ size_t ipath, isec, lastsz;
- exit((int)MANDOCLEVEL_BADARG);
+ 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--;
+ }
}
static void
-parse(struct curparse *curp, int fd,
- const char *file, enum mandoclevel *level)
+parse(struct curparse *curp, int fd, const char *file)
{
- enum mandoclevel rc;
- struct mdoc *mdoc;
- struct man *man;
+ enum mandoclevel rctmp;
+ struct roff_man *man;
/* Begin by parsing the file itself. */
assert(file);
- assert(fd >= -1);
+ assert(fd >= 0);
- rc = mparse_readfd(curp->mp, fd, file);
-
- /* Stop immediately if the parse has failed. */
-
- if (MANDOCLEVEL_FATAL <= rc)
- goto cleanup;
+ rctmp = mparse_readfd(curp->mp, fd, file);
+ if (fd != STDIN_FILENO)
+ close(fd);
+ if (rc < rctmp)
+ rc = rctmp;
/*
* With -Wstop and warnings or errors of at least the requested
* level, do not produce output.
*/
- if (MANDOCLEVEL_OK != rc && curp->wstop)
- goto cleanup;
+ if (rctmp != MANDOCLEVEL_OK && curp->wstop)
+ return;
+
+ if (curp->outdata == NULL)
+ outdata_alloc(curp);
- /* If unset, allocate output dev now (if applicable). */
+ mparse_result(curp->mp, &man, NULL);
- if ( ! (curp->outman && curp->outmdoc)) {
+ /* Execute the out device, if it exists. */
+
+ if (man == NULL)
+ return;
+ if (man->macroset == MACROSET_MDOC) {
+ mdoc_validate(man);
switch (curp->outtype) {
- case (OUTT_XHTML):
- curp->outdata = xhtml_alloc(curp->outopts);
- curp->outfree = html_free;
- break;
- case (OUTT_HTML):
- curp->outdata = html_alloc(curp->outopts);
- curp->outfree = html_free;
+ case OUTT_HTML:
+ html_mdoc(curp->outdata, man);
break;
- case (OUTT_UTF8):
- curp->outdata = utf8_alloc(curp->outopts);
- curp->outfree = ascii_free;
+ case OUTT_TREE:
+ tree_mdoc(curp->outdata, man);
break;
- case (OUTT_LOCALE):
- curp->outdata = locale_alloc(curp->outopts);
- curp->outfree = ascii_free;
+ case OUTT_MAN:
+ man_mdoc(curp->outdata, man);
break;
- case (OUTT_ASCII):
- curp->outdata = ascii_alloc(curp->outopts);
- curp->outfree = ascii_free;
- break;
- case (OUTT_PDF):
- curp->outdata = pdf_alloc(curp->outopts);
- curp->outfree = pspdf_free;
- break;
- case (OUTT_PS):
- curp->outdata = ps_alloc(curp->outopts);
- curp->outfree = pspdf_free;
+ case OUTT_PDF:
+ case OUTT_ASCII:
+ case OUTT_UTF8:
+ case OUTT_LOCALE:
+ case OUTT_PS:
+ terminal_mdoc(curp->outdata, man);
break;
default:
break;
}
-
+ }
+ if (man->macroset == MACROSET_MAN) {
+ man_validate(man);
switch (curp->outtype) {
- case (OUTT_HTML):
- /* FALLTHROUGH */
- case (OUTT_XHTML):
- curp->outman = html_man;
- curp->outmdoc = html_mdoc;
- break;
- case (OUTT_TREE):
- curp->outman = tree_man;
- curp->outmdoc = tree_mdoc;
- break;
- case (OUTT_MAN):
- curp->outmdoc = man_mdoc;
- curp->outman = man_man;
- break;
- case (OUTT_PDF):
- /* FALLTHROUGH */
- case (OUTT_ASCII):
- /* FALLTHROUGH */
- case (OUTT_UTF8):
- /* FALLTHROUGH */
- case (OUTT_LOCALE):
- /* FALLTHROUGH */
- case (OUTT_PS):
- curp->outman = terminal_man;
- curp->outmdoc = terminal_mdoc;
+ 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;
+ }
+}
- mparse_result(curp->mp, &mdoc, &man);
+static void
+passthrough(const char *file, int fd, int synopsis_only)
+{
+ const char synb[] = "S\bSY\bYN\bNO\bOP\bPS\bSI\bIS\bS";
+ const char synr[] = "SYNOPSIS";
- /* Execute the out device, if it exists. */
+ 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;
+ }
+
+ if ((stream = fdopen(fd, "r")) == NULL) {
+ close(fd);
+ syscall = "fdopen";
+ goto fail;
+ }
+
+ print = 0;
+ while ((len = getline(&line, &linesz, stream)) != -1) {
+ cp = line;
+ if (synopsis_only) {
+ if (print) {
+ if ( ! isspace((unsigned char)*cp))
+ goto done;
+ while (isspace((unsigned char)*cp)) {
+ cp++;
+ len--;
+ }
+ } else {
+ if (strcmp(cp, synb) == 0 ||
+ strcmp(cp, synr) == 0)
+ print = 1;
+ continue;
+ }
+ }
+ for (; len > 0; len -= written) {
+ if ((written = write(STDOUT_FILENO, cp, len)) != -1)
+ continue;
+ fclose(stream);
+ syscall = "write";
+ goto fail;
+ }
+ }
- if (man && curp->outman)
- (*curp->outman)(curp->outdata, man);
- if (mdoc && curp->outmdoc)
- (*curp->outmdoc)(curp->outdata, mdoc);
+ if (ferror(stream)) {
+ fclose(stream);
+ syscall = "getline";
+ goto fail;
+ }
- cleanup:
+done:
+ free(line);
+ fclose(stream);
+ return;
- mparse_reset(curp->mp);
+fail:
+ free(line);
+ warn("%s: SYSERR: %s", file, syscall);
+ if (rc < MANDOCLEVEL_SYSERR)
+ rc = MANDOCLEVEL_SYSERR;
+}
- if (*level < rc)
- *level = rc;
+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 mparset *tflags, char *arg)
+moptions(int *options, char *arg)
{
- if (0 == strcmp(arg, "doc"))
- *tflags = MPARSE_MDOC;
+ if (arg == NULL)
+ /* nothing to do */;
+ else if (0 == strcmp(arg, "doc"))
+ *options |= MPARSE_MDOC;
else if (0 == strcmp(arg, "andoc"))
- *tflags = MPARSE_AUTO;
+ /* nothing to do */;
else if (0 == strcmp(arg, "an"))
- *tflags = MPARSE_MAN;
+ *options |= MPARSE_MAN;
else {
- fprintf(stderr, "%s: Bad argument\n", arg);
- return(0);
+ warnx("-m %s: Bad argument", arg);
+ return 0;
}
- return(1);
+ return 1;
}
static int
else if (0 == strcmp(arg, "locale"))
curp->outtype = OUTT_LOCALE;
else if (0 == strcmp(arg, "xhtml"))
- curp->outtype = OUTT_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 {
- fprintf(stderr, "%s: Bad argument\n", arg);
- return(0);
+ warnx("-T %s: Bad argument", arg);
+ return 0;
}
- return(1);
+ return 1;
}
static int
woptions(struct curparse *curp, char *arg)
{
char *v, *o;
- const char *toks[6];
+ const char *toks[7];
toks[0] = "stop";
toks[1] = "all";
toks[2] = "warning";
toks[3] = "error";
- toks[4] = "fatal";
- toks[5] = NULL;
+ toks[4] = "unsupp";
+ toks[5] = "fatal";
+ toks[6] = NULL;
while (*arg) {
o = arg;
- switch (getsubopt(&arg, UNCONST(toks), &v)) {
- case (0):
+ switch (getsubopt(&arg, (char * const *)toks, &v)) {
+ case 0:
curp->wstop = 1;
break;
- case (1):
- /* FALLTHROUGH */
- case (2):
+ case 1:
+ case 2:
curp->wlevel = MANDOCLEVEL_WARNING;
break;
- case (3):
+ case 3:
curp->wlevel = MANDOCLEVEL_ERROR;
break;
- case (4):
- curp->wlevel = MANDOCLEVEL_FATAL;
+ case 4:
+ curp->wlevel = MANDOCLEVEL_UNSUPP;
+ break;
+ case 5:
+ curp->wlevel = MANDOCLEVEL_BADARG;
break;
default:
- fprintf(stderr, "-W%s: Bad argument\n", o);
- return(0);
+ warnx("-W %s: Bad argument", o);
+ return 0;
}
}
- return(1);
+ return 1;
}
static void
-mmsg(enum mandocerr t, enum mandoclevel lvl,
+mmsg(enum mandocerr t, enum mandoclevel lvl,
const char *file, int line, int col, const char *msg)
{
+ const char *mparse_msg;
+
+ fprintf(stderr, "%s: %s:", getprogname(),
+ file == NULL ? "<stdin>" : file);
- fprintf(stderr, "%s:%d:%d: %s: %s",
- file, line, col + 1,
- mparse_strlevel(lvl),
- mparse_strerror(t));
+ if (line)
+ fprintf(stderr, "%d:%d:", line, col + 1);
+
+ fprintf(stderr, " %s", mparse_strlevel(lvl));
+
+ if (NULL != (mparse_msg = mparse_strerror(t)))
+ fprintf(stderr, ": %s", mparse_msg);
if (msg)
fprintf(stderr, ": %s", msg);
fputc('\n', stderr);
}
+
+static pid_t
+spawn_pager(struct tag_files *tag_files)
+{
+ 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);
+
+ /*
+ * Parse the pager command into words.
+ * Intentionally do not do anything fancy here.
+ */
+
+ 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;
+ }
+
+ /* 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;
+
+ 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;
+ }
+
+ /* The child process becomes the pager. */
+
+ if (dup2(tag_files->ofd, STDOUT_FILENO) == -1)
+ err((int)MANDOCLEVEL_SYSERR, "pager stdout");
+ close(tag_files->ofd);
+ close(tag_files->tfd);
+
+ /* Do not start the pager before controlling the terminal. */
+
+ 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