-/* $Id: main.c,v 1.96 2010/07/02 12:54:33 kristaps Exp $ */
+/* $Id: main.c,v 1.248 2015/10/12 00:08:15 schwarze Exp $ */
/*
- * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@bsd.lv>
+ * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
+ * Copyright (c) 2010-2012, 2014, 2015 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/mman.h>
-#include <sys/stat.h>
+#include <sys/types.h>
+#include <sys/param.h> /* MACHINE */
+#include <sys/wait.h>
#include <assert.h>
+#include <ctype.h>
+#include <err.h>
#include <fcntl.h>
+#include <glob.h>
+#include <signal.h>
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
+#include "mandoc_aux.h"
#include "mandoc.h"
-#include "regs.h"
-#include "main.h"
+#include "roff.h"
#include "mdoc.h"
#include "man.h"
-#include "roff.h"
-
-#define UNCONST(a) ((void *)(uintptr_t)(const void *)(a))
-
-/* FIXME: Intel's compiler? LLVM? pcc? */
+#include "tag.h"
+#include "main.h"
+#include "manconf.h"
+#include "mansearch.h"
#if !defined(__GNUC__) || (__GNUC__ < 2)
# if !defined(lint)
# 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 *);
-
-struct buf {
- char *buf;
- size_t sz;
+enum outmode {
+ OUTMODE_DEF = 0,
+ OUTMODE_FLN,
+ OUTMODE_LST,
+ OUTMODE_ALL,
+ OUTMODE_INT,
+ OUTMODE_ONE
};
-enum intt {
- INTT_AUTO,
- INTT_MDOC,
- INTT_MAN
-};
+typedef void (*out_mdoc)(void *, const struct roff_man *);
+typedef void (*out_man)(void *, const struct roff_man *);
+typedef void (*out_free)(void *);
enum outt {
- OUTT_ASCII = 0,
- OUTT_TREE,
- OUTT_HTML,
- OUTT_XHTML,
- OUTT_LINT,
- OUTT_PS
+ 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;
- /* FIXME: set by max error */
-#define WARN_WALL (1 << 0) /* All-warnings mask. */
-#define WARN_WERR (1 << 2) /* Warnings->errors. */
- int fflags;
-#define FL_IGN_SCOPE (1 << 0) /* Ignore scope errors. */
-#define FL_NIGN_ESCAPE (1 << 1) /* Don't ignore bad escapes. */
-#define FL_NIGN_MACRO (1 << 2) /* Don't ignore bad macros. */
-#define FL_IGN_ERRORS (1 << 4) /* Ignore failed parse. */
-#define FL_STRICT FL_NIGN_ESCAPE | \
- FL_NIGN_MACRO /* ignore nothing */
- enum intt inttype; /* which parser to use */
- struct man *man; /* man parser */
- struct mdoc *mdoc; /* mdoc parser */
- struct roff *roff; /* roff parser (!NULL) */
- struct regset regs; /* roff registers */
- enum outt outtype; /* which output to use */
+ struct mparse *mp;
+ struct mchars *mchars; /* character table */
+ 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_man outman; /* man output ptr */
out_free outfree; /* free output ptr */
void *outdata; /* data for output */
- char outopts[BUFSIZ]; /* buf of output opts */
+ struct manoutput *outopts; /* output options */
};
-static const char * const mandocerrs[MANDOCERR_MAX] = {
- "ok",
-
- "generic warning",
-
- "text should be uppercase",
- "sections out of conventional order",
- "section name repeats",
- "out of order prologue",
- "repeated prologue entry",
- "list type must come first",
- "bad standard",
- "bad library",
- "bad escape sequence",
- "unterminated quoted string",
- "argument requires the width argument",
- "superfluous width argument",
- "ignoring argument",
- "bad date argument",
- "bad width argument",
- "unknown manual section",
- "section not in conventional manual section",
- "end of line whitespace",
- "blocks badly nested",
- "scope open on exit",
-
- "generic error",
-
- "NAME section must come first",
- "bad Boolean value",
- "child violates parent syntax",
- "bad AT&T symbol",
- "list type repeated",
- "display type repeated",
- "argument repeated",
- "manual name not yet set",
- "obsolete macro ignored",
- "empty macro ignored",
- "macro not allowed in body",
- "macro not allowed in prologue",
- "bad character",
- "bad NAME section contents",
- "no blank lines",
- "no text in this context",
- "bad comment style",
- "unknown macro will be lost",
- "line scope broken",
- "argument count wrong",
- "request scope close w/none open",
- "scope already open",
- "macro requires line argument(s)",
- "macro requires body argument(s)",
- "macro requires argument(s)",
- "no title in document",
- "missing list type",
- "missing display type",
- "missing font type",
- "line argument(s) will be lost",
- "body argument(s) will be lost",
-
- "generic fatal error",
-
- "column syntax is inconsistent",
- "displays may not be nested",
- "unsupported display type",
- "blocks badly nested",
- "no such block is open",
- "scope broken, syntax violated",
- "line scope broken, syntax violated",
- "argument count wrong, violates syntax",
- "child violates parent syntax",
- "argument count wrong, violates syntax",
- "no document body",
- "no document prologue",
- "utsname system call failed",
- "memory exhausted",
-};
-
-static void fdesc(struct curparse *);
-static void ffile(const char *, struct curparse *);
-static int foptions(int *, char *);
-static struct man *man_init(struct curparse *);
-static struct mdoc *mdoc_init(struct curparse *);
-static struct roff *roff_init(struct curparse *);
-static int moptions(enum intt *, char *);
-static int mmsg(enum mandocerr, void *,
- int, int, const char *);
-static int pset(const char *, int, struct curparse *,
- struct man **, struct mdoc **);
+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 *);
+#if HAVE_SQLITE3
+int mandocdb(int, char**);
+#endif
+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 *);
+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 int woptions(int *, char *);
+static void usage(enum argmode) __attribute__((noreturn));
+static int woptions(struct curparse *, char *);
+
+extern 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;
-static const char *progname;
-static int with_fatal;
-static int with_error;
int
main(int argc, char *argv[])
{
- int c;
+ struct manconf conf;
struct curparse curp;
+ struct mansearch search;
+ struct tag_files *tag_files;
+ char *auxpaths;
+ char *defos;
+ unsigned char *uc;
+ struct manpage *res, *resp;
+ char *conf_file, *defpaths;
+ size_t isec, i, sz;
+ int prio, best_prio;
+ char sec;
+ enum mandoclevel rctmp;
+ enum outmode outmode;
+ int fd;
+ int show_usage;
+ int options;
+ int use_pager;
+ int c;
- progname = strrchr(argv[0], '/');
- if (progname == NULL)
- progname = argv[0];
+#if !HAVE_PROGNAME
+ if (argc < 1)
+ __progname = mandoc_strdup("mandoc");
+ else if ((__progname = strrchr(argv[0], '/')) == NULL)
+ __progname = argv[0];
else
- ++progname;
+ ++__progname;
+#endif
- memset(&curp, 0, sizeof(struct curparse));
+#if HAVE_SQLITE3
+ if (strcmp(__progname, BINM_MAKEWHATIS) == 0)
+ return mandocdb(argc, argv);
+#endif
+
+ /* Search options. */
- curp.inttype = INTT_AUTO;
- curp.outtype = OUTT_ASCII;
+ memset(&conf, 0, sizeof(conf));
+ conf_file = defpaths = NULL;
+ auxpaths = NULL;
- /* LINTED */
- while (-1 != (c = getopt(argc, argv, "f:m:O:T:VW:")))
+ 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 ('m'):
- if ( ! moptions(&curp.inttype, optarg))
- return(EXIT_FAILURE);
+ case 'f':
+ search.argmode = ARG_WORD;
break;
- case ('O'):
- (void)strlcat(curp.outopts, optarg, BUFSIZ);
- (void)strlcat(curp.outopts, ",", BUFSIZ);
+ case 'h':
+ conf.output.synopsisonly = 1;
+ use_pager = 0;
+ outmode = OUTMODE_ALL;
break;
- case ('T'):
+ 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 '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)
+ manconf_output(&conf.output,
+ strsep(&optarg, ","));
+ break;
+ case 'S':
+ search.arch = optarg;
+ break;
+ case 's':
+ search.sec = optarg;
+ break;
+ case 'T':
if ( ! toptions(&curp, optarg))
- return(EXIT_FAILURE);
+ return (int)MANDOCLEVEL_BADARG;
break;
- case ('W'):
- if ( ! woptions(&curp.wflags, optarg))
- return(EXIT_FAILURE);
+ 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;
+ if (show_usage)
+ usage(search.argmode);
- if (NULL == *argv) {
- curp.file = "<stdin>";
- curp.fd = STDIN_FILENO;
+ /* Postprocess options. */
- fdesc(&curp);
+ 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;
+ }
}
- while (*argv) {
- ffile(*argv, &curp);
+ if (outmode == OUTMODE_FLN ||
+ outmode == OUTMODE_LST ||
+ !isatty(STDOUT_FILENO))
+ use_pager = 0;
- if (with_fatal && !(curp.fflags & FL_IGN_ERRORS))
- break;
- ++argv;
+ /* Parse arguments. */
+
+ if (argc > 0) {
+ argc -= optind;
+ argv += optind;
}
+ resp = NULL;
- if (curp.outfree)
- (*curp.outfree)(curp.outdata);
- if (curp.mdoc)
- mdoc_free(curp.mdoc);
- if (curp.man)
- man_free(curp.man);
- if (curp.roff)
- roff_free(curp.roff);
-
- return((with_fatal || with_error) ?
- EXIT_FAILURE : EXIT_SUCCESS);
-}
+ /*
+ * 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
+ }
-static void
-version(void)
-{
+ rc = MANDOCLEVEL_OK;
- (void)printf("%s %s\n", progname, VERSION);
- exit(EXIT_SUCCESS);
-}
+ /* man(1), whatis(1), apropos(1) */
+ if (search.argmode != ARG_FILE) {
+ if (argc == 0)
+ usage(search.argmode);
-static void
-usage(void)
-{
+ if (search.argmode == ARG_NAME &&
+ outmode == OUTMODE_ONE)
+ search.firstmatch = 1;
- (void)fprintf(stderr, "usage: %s [-V] [-foption] "
- "[-mformat] [-Ooption] [-Toutput] "
- "[-Werr] [file...]\n", progname);
- exit(EXIT_FAILURE);
-}
+ /* Access the mandoc database. */
+ manconf_parse(&conf, conf_file, defpaths, auxpaths);
+#if HAVE_SQLITE3
+ mansearch_setup(1);
+ if ( ! mansearch(&search, &conf.manpath,
+ argc, argv, &res, &sz))
+ usage(search.argmode);
+#else
+ if (search.argmode != ARG_NAME) {
+ fputs("mandoc: database support not compiled in\n",
+ stderr);
+ return (int)MANDOCLEVEL_BADARG;
+ }
+ sz = 0;
+#endif
-static struct man *
-man_init(struct curparse *curp)
-{
- int pflags;
+ if (sz == 0) {
+ if (search.argmode == ARG_NAME)
+ fs_search(&search, &conf.manpath,
+ argc, argv, &res, &sz);
+ else
+ warnx("nothing appropriate");
+ }
- /* Defaults from mandoc.1. */
+ if (sz == 0) {
+ rc = MANDOCLEVEL_BADARG;
+ goto out;
+ }
- pflags = MAN_IGN_MACRO | MAN_IGN_ESCAPE;
+ /*
+ * For standard man(1) and -a output mode,
+ * prepare for copying filename pointers
+ * into the program parameter array.
+ */
- if (curp->fflags & FL_NIGN_MACRO)
- pflags &= ~MAN_IGN_MACRO;
- if (curp->fflags & FL_NIGN_ESCAPE)
- pflags &= ~MAN_IGN_ESCAPE;
+ if (outmode == OUTMODE_ONE) {
+ argc = 1;
+ best_prio = 10;
+ } 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. */
+ isec = strcspn(res[i].file, "123456789");
+ sec = res[i].file[isec];
+ if ('\0' == sec)
+ continue;
+ prio = sec_prios[sec - '1'];
+ if (prio >= best_prio)
+ continue;
+ best_prio = prio;
+ resp = res + i;
+ }
+ }
- return(man_alloc(&curp->regs, curp, pflags, mmsg));
-}
+ /*
+ * 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 roff *
-roff_init(struct curparse *curp)
-{
+ /* mandoc(1) */
- return(roff_alloc(&curp->regs, mmsg, curp));
-}
+ if (search.argmode == ARG_FILE && ! moptions(&options, auxpaths))
+ return (int)MANDOCLEVEL_BADARG;
+ curp.mchars = mchars_alloc();
+ curp.mp = mparse_alloc(options, curp.wlevel, mmsg,
+ curp.mchars, defos);
-static struct mdoc *
-mdoc_init(struct curparse *curp)
-{
- int pflags;
+ /*
+ * Conditionally start up the lookaside buffer before parsing.
+ */
+ if (OUTT_MAN == curp.outtype)
+ mparse_keep(curp.mp);
- /* Defaults from mandoc.1. */
+ if (argc < 1) {
+ if (use_pager)
+ tag_files = tag_init();
+ parse(&curp, STDIN_FILENO, "<stdin>");
+ }
- pflags = MDOC_IGN_MACRO | MDOC_IGN_ESCAPE;
+ while (argc > 0) {
+ rctmp = mparse_open(curp.mp, &fd,
+ resp != NULL ? resp->file : *argv);
+ if (rc < rctmp)
+ rc = rctmp;
- if (curp->fflags & FL_IGN_SCOPE)
- pflags |= MDOC_IGN_SCOPE;
- if (curp->fflags & FL_NIGN_ESCAPE)
- pflags &= ~MDOC_IGN_ESCAPE;
- if (curp->fflags & FL_NIGN_MACRO)
- pflags &= ~MDOC_IGN_MACRO;
+ if (fd != -1) {
+ if (use_pager) {
+ tag_files = tag_init();
+ use_pager = 0;
+ }
- return(mdoc_alloc(&curp->regs, curp, pflags, mmsg));
-}
+ 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)
+ ascii_sepline(curp.outdata);
+ }
+ if (MANDOCLEVEL_OK != rc && curp.wstop)
+ break;
-static void
-ffile(const char *file, struct curparse *curp)
-{
+ if (resp != NULL)
+ resp++;
+ else
+ argv++;
+ if (--argc)
+ mparse_reset(curp.mp);
+ }
- curp->file = file;
- if (-1 == (curp->fd = open(curp->file, O_RDONLY, 0))) {
- perror(curp->file);
- with_fatal = 1;
- return;
+ if (curp.outfree)
+ (*curp.outfree)(curp.outdata);
+ mparse_free(curp.mp);
+ mchars_free(curp.mchars);
+
+out:
+ if (search.argmode != ARG_FILE) {
+ manconf_free(&conf);
+#if HAVE_SQLITE3
+ mansearch_free(res, sz);
+ mansearch_setup(0);
+#endif
}
- fdesc(curp);
+ free(defos);
- if (-1 == close(curp->fd))
- perror(curp->file);
-}
+ /*
+ * 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();
+ waitpid(spawn_pager(tag_files), NULL, 0);
+ tag_unlink();
+ }
-static int
-resize_buf(struct buf *buf, size_t initial)
+ return (int)rc;
+}
+
+static void
+usage(enum argmode argmode)
{
- void *tmp;
- size_t sz;
- if (buf->sz == 0)
- sz = initial;
- else
- sz = 2 * buf->sz;
- tmp = realloc(buf->buf, sz);
- if (NULL == tmp) {
- perror(NULL);
- return(0);
+ 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;
}
- buf->buf = tmp;
- buf->sz = sz;
- return(1);
+ exit((int)MANDOCLEVEL_BADARG);
}
-
static int
-read_whole_file(struct curparse *curp, struct buf *fb, int *with_mmap)
+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 st;
- size_t off;
- ssize_t ssz;
-
- if (-1 == fstat(curp->fd, &st)) {
- perror(curp->file);
- with_fatal = 1;
- return(0);
+ glob_t globinfo;
+ struct manpage *page;
+ char *file;
+ int form, globres;
+
+ form = FORM_SRC;
+ mandoc_asprintf(&file, "%s/man%s/%s.%s",
+ paths->paths[ipath], sec, name, sec);
+ if (access(file, R_OK) != -1)
+ goto found;
+ free(file);
+
+ mandoc_asprintf(&file, "%s/cat%s/%s.0",
+ paths->paths[ipath], sec, name);
+ if (access(file, R_OK) != -1) {
+ form = FORM_CAT;
+ goto found;
}
-
- /*
- * If we're a regular file, try just reading in the whole entry
- * via mmap(). This is faster than reading it into blocks, and
- * since each file is only a few bytes to begin with, I'm not
- * concerned that this is going to tank any machines.
- */
-
- if (S_ISREG(st.st_mode)) {
- if (st.st_size >= (1U << 31)) {
- fprintf(stderr, "%s: input too large\n",
- curp->file);
- with_fatal = 1;
- return(0);
- }
- *with_mmap = 1;
- fb->sz = (size_t)st.st_size;
- fb->buf = mmap(NULL, fb->sz, PROT_READ,
- MAP_FILE|MAP_SHARED, curp->fd, 0);
- if (fb->buf != MAP_FAILED)
- return(1);
+ 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);
}
- /*
- * If this isn't a regular file (like, say, stdin), then we must
- * go the old way and just read things in bit by bit.
- */
+ mandoc_asprintf(&file, "%s/man%s/%s.[01-9]*",
+ paths->paths[ipath], sec, name);
+ globres = glob(file, 0, NULL, &globinfo);
+ if (globres != 0 && globres != GLOB_NOMATCH)
+ warn("%s: glob", file);
+ free(file);
+ if (globres == 0)
+ file = mandoc_strdup(*globinfo.gl_pathv);
+ globfree(&globinfo);
+ if (globres != 0)
+ return 0;
+
+found:
+#if HAVE_SQLITE3
+ warnx("outdated mandoc.db lacks %s(%s) entry, run makewhatis %s\n",
+ name, sec, paths->paths[ipath]);
+#endif
+ *res = mandoc_reallocarray(*res, ++*ressz, sizeof(struct manpage));
+ page = *res + (*ressz - 1);
+ page->file = file;
+ page->names = NULL;
+ page->output = NULL;
+ page->ipath = ipath;
+ page->bits = NAME_FILE & NAME_MASK;
+ page->sec = (*sec >= '1' && *sec <= '9') ? *sec - '1' + 1 : 10;
+ page->form = form;
+ return 1;
+}
- *with_mmap = 0;
- off = 0;
- fb->sz = 0;
- fb->buf = NULL;
- for (;;) {
- if (off == fb->sz) {
- if (fb->sz == (1U << 31)) {
- fprintf(stderr, "%s: input too large\n",
- curp->file);
- break;
- }
- if (! resize_buf(fb, 65536))
- break;
- }
- ssz = read(curp->fd, fb->buf + (int)off, fb->sz - off);
- if (ssz == 0) {
- fb->sz = off;
- return(1);
- }
- if (ssz == -1) {
- perror(curp->file);
- break;
+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", "3p", "5", "7", "4", "9"};
+ 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;
}
- off += (size_t)ssz;
+ if (*ressz == lastsz)
+ warnx("No entry for %s in the manual.", *argv);
+ lastsz = *ressz;
+ argv++;
+ argc--;
}
-
- free(fb->buf);
- fb->buf = NULL;
- with_fatal = 1;
- return(0);
}
-
static void
-fdesc(struct curparse *curp)
+parse(struct curparse *curp, int fd, const char *file)
{
- struct buf ln, blk;
- int i, pos, lnn, lnn_start, with_mmap, of;
- enum rofferr re;
- struct man *man;
- struct mdoc *mdoc;
- struct roff *roff;
+ enum mandoclevel rctmp;
+ struct roff_man *man;
+
+ /* Begin by parsing the file itself. */
- man = NULL;
- mdoc = NULL;
- roff = NULL;
+ assert(file);
+ assert(fd >= -1);
- memset(&ln, 0, sizeof(struct buf));
+ rctmp = mparse_readfd(curp->mp, fd, file);
+ if (rc < rctmp)
+ rc = rctmp;
/*
- * Two buffers: ln and buf. buf is the input file and may be
- * memory mapped. ln is a line buffer and grows on-demand.
+ * With -Wstop and warnings or errors of at least the requested
+ * level, do not produce output.
*/
- if ( ! read_whole_file(curp, &blk, &with_mmap))
+ if (rctmp != MANDOCLEVEL_OK && curp->wstop)
return;
- if (NULL == curp->roff)
- curp->roff = roff_init(curp);
- if (NULL == (roff = curp->roff))
- goto bailout;
-
- for (i = 0, lnn = 1; i < (int)blk.sz;) {
- pos = 0;
- lnn_start = lnn;
- while (i < (int)blk.sz) {
- if ('\n' == blk.buf[i]) {
- ++i;
- ++lnn;
- break;
- }
- /* Trailing backslash is like a plain character. */
- if ('\\' != blk.buf[i] || i + 1 == (int)blk.sz) {
- if (pos >= (int)ln.sz)
- if (! resize_buf(&ln, 256))
- goto bailout;
- ln.buf[pos++] = blk.buf[i++];
- continue;
- }
- /* Found an escape and at least one other character. */
- if ('\n' == blk.buf[i + 1]) {
- /* Escaped newlines are skipped over */
- i += 2;
- ++lnn;
- continue;
- }
- if ('"' == blk.buf[i + 1]) {
- i += 2;
- /* Comment, skip to end of line */
- for (; i < (int)blk.sz; ++i) {
- if ('\n' == blk.buf[i]) {
- ++i;
- ++lnn;
- break;
- }
- }
- /* Backout trailing whitespaces */
- for (; pos > 0; --pos) {
- if (ln.buf[pos - 1] != ' ')
- break;
- if (pos > 2 && ln.buf[pos - 2] == '\\')
- break;
- }
- break;
- }
- /* Some other escape sequence, copy and continue. */
- if (pos + 1 >= (int)ln.sz)
- if (! resize_buf(&ln, 256))
- goto bailout;
-
- ln.buf[pos++] = blk.buf[i++];
- ln.buf[pos++] = blk.buf[i++];
- }
-
- if (pos >= (int)ln.sz)
- if (! resize_buf(&ln, 256))
- goto bailout;
- ln.buf[pos] = '\0';
-
- /*
- * A significant amount of complexity is contained by
- * the roff preprocessor. It's line-oriented but can be
- * expressed on one line, so we need at times to
- * readjust our starting point and re-run it. The roff
- * preprocessor can also readjust the buffers with new
- * data, so we pass them in wholesale.
- */
-
- of = 0;
- do {
- re = roff_parseln(roff, lnn_start,
- &ln.buf, &ln.sz, of, &of);
- } while (ROFF_RERUN == re);
-
- if (ROFF_IGN == re)
- continue;
- else if (ROFF_ERR == re)
- goto bailout;
-
- /*
- * If input parsers have not been allocated, do so now.
- * We keep these instanced betwen parsers, but set them
- * locally per parse routine since we can use different
- * parsers with each one.
- */
-
- if ( ! (man || mdoc))
- if ( ! pset(ln.buf + of, pos - of, curp, &man, &mdoc))
- goto bailout;
-
- /* Lastly, push down into the parsers themselves. */
-
- if (man && ! man_parseln(man, lnn_start, ln.buf, of))
- goto bailout;
- if (mdoc && ! mdoc_parseln(mdoc, lnn_start, ln.buf, of))
- goto bailout;
- }
-
- /* NOTE a parser may not have been assigned, yet. */
-
- if ( ! (man || mdoc)) {
- fprintf(stderr, "%s: Not a manual\n", curp->file);
- goto bailout;
- }
-
- /* Clean up the parse routine ASTs. */
-
- if (mdoc && ! mdoc_endparse(mdoc))
- goto bailout;
- if (man && ! man_endparse(man))
- goto bailout;
- if (roff && ! roff_endparse(roff))
- goto bailout;
-
/* If unset, allocate output dev now (if applicable). */
if ( ! (curp->outman && curp->outmdoc)) {
switch (curp->outtype) {
- case (OUTT_XHTML):
- curp->outdata = xhtml_alloc(curp->outopts);
+ case OUTT_HTML:
+ curp->outdata = html_alloc(curp->mchars,
+ curp->outopts);
+ curp->outfree = html_free;
break;
- case (OUTT_HTML):
- curp->outdata = html_alloc(curp->outopts);
+ case OUTT_UTF8:
+ curp->outdata = utf8_alloc(curp->mchars,
+ curp->outopts);
+ curp->outfree = ascii_free;
break;
- case (OUTT_ASCII):
- curp->outdata = ascii_alloc(curp->outopts);
+ case OUTT_LOCALE:
+ curp->outdata = locale_alloc(curp->mchars,
+ curp->outopts);
curp->outfree = ascii_free;
break;
- case (OUTT_PS):
- curp->outdata = ps_alloc(curp->outopts);
- curp->outfree = ps_free;
+ case OUTT_ASCII:
+ curp->outdata = ascii_alloc(curp->mchars,
+ curp->outopts);
+ curp->outfree = ascii_free;
+ break;
+ case OUTT_PDF:
+ curp->outdata = pdf_alloc(curp->mchars,
+ curp->outopts);
+ curp->outfree = pspdf_free;
+ break;
+ case OUTT_PS:
+ curp->outdata = ps_alloc(curp->mchars,
+ curp->outopts);
+ curp->outfree = pspdf_free;
break;
default:
break;
}
switch (curp->outtype) {
- case (OUTT_HTML):
- /* FALLTHROUGH */
- case (OUTT_XHTML):
+ case OUTT_HTML:
curp->outman = html_man;
curp->outmdoc = html_mdoc;
- curp->outfree = html_free;
break;
- case (OUTT_TREE):
+ case OUTT_TREE:
curp->outman = tree_man;
curp->outmdoc = tree_mdoc;
break;
- case (OUTT_ASCII):
- /* FALLTHROUGH */
- case (OUTT_PS):
+ case OUTT_MAN:
+ curp->outmdoc = man_mdoc;
+ curp->outman = man_man;
+ break;
+ case OUTT_PDF:
+ case OUTT_ASCII:
+ case OUTT_UTF8:
+ case OUTT_LOCALE:
+ case OUTT_PS:
curp->outman = terminal_man;
curp->outmdoc = terminal_mdoc;
break;
}
}
+ mparse_result(curp->mp, &man, NULL);
+
/* Execute the out device, if it exists. */
- if (man && curp->outman)
+ if (man == NULL)
+ return;
+ if (curp->outmdoc != NULL && man->macroset == MACROSET_MDOC)
+ (*curp->outmdoc)(curp->outdata, man);
+ if (curp->outman != NULL && man->macroset == MACROSET_MAN)
(*curp->outman)(curp->outdata, man);
- if (mdoc && curp->outmdoc)
- (*curp->outmdoc)(curp->outdata, mdoc);
-
- cleanup:
- memset(&curp->regs, 0, sizeof(struct regset));
- if (mdoc)
- mdoc_reset(mdoc);
- if (man)
- man_reset(man);
- if (roff)
- roff_reset(roff);
- if (ln.buf)
- free(ln.buf);
- if (with_mmap)
- munmap(blk.buf, blk.sz);
- else
- free(blk.buf);
-
- return;
-
- bailout:
- with_fatal = 1;
- goto cleanup;
}
-
-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;
-
- /*
- * 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.
- */
+ const char synb[] = "S\bSY\bYN\bNO\bOP\bPS\bSI\bIS\bS";
+ const char synr[] = "SYNOPSIS";
+
+ FILE *stream;
+ const char *syscall;
+ char *line;
+ size_t len, off;
+ ssize_t nw;
+ int print;
+
+ fflush(stdout);
+
+ if ((stream = fdopen(fd, "r")) == NULL) {
+ close(fd);
+ syscall = "fdopen";
+ goto fail;
+ }
- if ('.' == buf[0] || '\'' == buf[0]) {
- for (i = 1; buf[i]; i++)
- if (' ' != buf[i] && '\t' != buf[i])
- break;
- if (0 == buf[i])
- return(1);
+ print = 0;
+ while ((line = fgetln(stream, &len)) != NULL) {
+ if (synopsis_only) {
+ if (print) {
+ if ( ! isspace((unsigned char)*line))
+ goto done;
+ while (len &&
+ isspace((unsigned char)*line)) {
+ line++;
+ len--;
+ }
+ } else {
+ if ((len == sizeof(synb) &&
+ ! strncmp(line, synb, len - 1)) ||
+ (len == sizeof(synr) &&
+ ! strncmp(line, synr, len - 1)))
+ print = 1;
+ continue;
+ }
+ }
+ for (off = 0; off < len; off += nw)
+ if ((nw = write(STDOUT_FILENO, line + off,
+ len - off)) == -1 || nw == 0) {
+ 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);
- return(1);
- case (INTT_MAN):
- if (NULL == curp->man)
- curp->man = man_init(curp);
- if (NULL == (*man = curp->man))
- return(0);
- return(1);
- default:
- break;
+ if (ferror(stream)) {
+ fclose(stream);
+ syscall = "fgetln";
+ 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);
- return(1);
- }
-
- if (NULL == curp->man)
- curp->man = man_init(curp);
- if (NULL == (*man = curp->man))
- return(0);
- return(1);
+done:
+ fclose(stream);
+ return;
+
+fail:
+ 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 {
- fprintf(stderr, "%s: Bad argument\n", arg);
- return(0);
+ warnx("-m %s: Bad argument", arg);
+ return 0;
}
- return(1);
+ return 1;
}
-
static int
toptions(struct curparse *curp, char *arg)
{
curp->outtype = OUTT_ASCII;
else if (0 == strcmp(arg, "lint")) {
curp->outtype = OUTT_LINT;
- curp->wflags |= WARN_WALL;
- curp->fflags |= FL_STRICT;
- }
- else if (0 == strcmp(arg, "tree"))
+ 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"))
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_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
-foptions(int *fflags, char *arg)
+woptions(struct curparse *curp, char *arg)
{
char *v, *o;
- const char *toks[8];
-
- toks[0] = "ign-scope";
- toks[1] = "no-ign-escape";
- toks[2] = "no-ign-macro";
- toks[3] = "ign-errors";
- toks[4] = "strict";
- toks[5] = "ign-escape";
+ const char *toks[7];
+
+ 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 |= FL_IGN_SCOPE;
+ case 0:
+ curp->wstop = 1;
break;
- case (1):
- *fflags |= FL_NIGN_ESCAPE;
+ case 1:
+ case 2:
+ curp->wlevel = MANDOCLEVEL_WARNING;
break;
- case (2):
- *fflags |= FL_NIGN_MACRO;
+ case 3:
+ curp->wlevel = MANDOCLEVEL_ERROR;
break;
- case (3):
- *fflags |= FL_IGN_ERRORS;
+ case 4:
+ curp->wlevel = MANDOCLEVEL_UNSUPP;
break;
- case (4):
- *fflags |= FL_STRICT;
- break;
- case (5):
- *fflags &= ~FL_NIGN_ESCAPE;
+ case 5:
+ curp->wlevel = MANDOCLEVEL_BADARG;
break;
default:
- fprintf(stderr, "%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,
+ const char *file, int line, int col, const char *msg)
+{
+ const char *mparse_msg;
-static int
-woptions(int *wflags, char *arg)
+ fprintf(stderr, "%s: %s:", __progname, file);
+
+ 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)
{
- char *v, *o;
- const char *toks[3];
+#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);
- toks[0] = "all";
- toks[1] = "error";
- toks[2] = NULL;
+ /*
+ * Parse the pager command into words.
+ * Intentionally do not do anything fancy here.
+ */
- while (*arg) {
- o = arg;
- switch (getsubopt(&arg, UNCONST(toks), &v)) {
- case (0):
- *wflags |= WARN_WALL;
+ argc = 0;
+ while (argc + 4 < MAX_PAGER_ARGS) {
+ argv[argc++] = cp;
+ cp = strchr(cp, ' ');
+ if (cp == NULL)
break;
- case (1):
- *wflags |= WARN_WERR;
+ *cp++ = '\0';
+ while (*cp == ' ')
+ cp++;
+ if (*cp == '\0')
break;
- default:
- fprintf(stderr, "%s: Bad argument\n", o);
- return(0);
- }
}
- return(1);
-}
-
+ /* For more(1) and less(1), use the tag file. */
-static int
-mmsg(enum mandocerr t, void *arg, int ln, int col, const char *msg)
-{
- struct curparse *cp;
- const char *level;
- int rc;
-
- cp = (struct curparse *)arg;
- level = NULL;
- rc = 1;
-
- if (t >= MANDOCERR_FATAL) {
- with_fatal = 1;
- level = "FATAL";
- rc = 0;
- } else {
- if ( ! (WARN_WALL & cp->wflags))
- return(1);
- if (t >= MANDOCERR_ERROR) {
- with_error = 1;
- level = "ERROR";
- }
- if (WARN_WERR & cp->wflags) {
- with_fatal = 1;
- rc = 0;
+ if ((cmdlen = strlen(argv[0])) >= 4) {
+ cp = argv[0] + cmdlen - 4;
+ if (strcmp(cp, "less") == 0 || strcmp(cp, "more") == 0) {
+ argv[argc++] = mandoc_strdup("-T");
+ argv[argc++] = tag_files->tfn;
}
}
+ argv[argc++] = tag_files->ofn;
+ argv[argc] = NULL;
- fprintf(stderr, "%s:%d:%d:", cp->file, ln, col + 1);
- if (level)
- fprintf(stderr, " %s:", level);
- fprintf(stderr, " %s", mandocerrs[t]);
- if (msg)
- fprintf(stderr, ": %s", msg);
- fputc('\n', stderr);
+ switch (pager_pid = fork()) {
+ case -1:
+ err((int)MANDOCLEVEL_SYSERR, "fork");
+ case 0:
+ break;
+ default:
+ return pager_pid;
+ }
+
+ /* The child process becomes the pager. */
- return(rc);
+ if (dup2(tag_files->ofd, STDOUT_FILENO) == -1)
+ err((int)MANDOCLEVEL_SYSERR, "pager stdout");
+ close(tag_files->ofd);
+ close(tag_files->tfd);
+ execvp(argv[0], argv);
+ err((int)MANDOCLEVEL_SYSERR, "exec %s", argv[0]);
}
git.ckatri.com / mandoc.git / blobdiff