-/* $Id: main.c,v 1.223 2015/03/06 09:24:59 kristaps Exp $ */
+/* $Id: main.c,v 1.232 2015/04/03 08:46:17 schwarze Exp $ */
/*
* Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
* Copyright (c) 2010-2012, 2014, 2015 Ingo Schwarze <schwarze@openbsd.org>
* 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
#include <sys/types.h>
#include <sys/param.h> /* MACHINE */
+#include <sys/wait.h>
#include <assert.h>
#include <ctype.h>
#include <errno.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.h"
#include "mandoc_aux.h"
-#include "main.h"
+#include "mandoc.h"
+#include "roff.h"
#include "mdoc.h"
#include "man.h"
-#include "manpath.h"
+#include "main.h"
+#include "manconf.h"
#include "mansearch.h"
#if !defined(__GNUC__) || (__GNUC__ < 2)
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 int fs_lookup(const struct manpaths *,
static void fs_search(const struct mansearch *,
const struct manpaths *, int, char**,
struct manpage **, size_t *);
+static void handle_sigpipe(int);
static int koptions(int *, char *);
#if HAVE_SQLITE3
int mandocdb(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 enum mandoclevel passthrough(const char *, int, int);
-static void spawn_pager(void);
+static void parse(struct curparse *, int, const char *);
+static void passthrough(const char *, int, int);
+static pid_t spawn_pager(void);
static int toptions(struct curparse *, char *);
static void usage(enum argmode) __attribute__((noreturn));
static int woptions(struct curparse *, char *);
static char help_arg[] = "help";
static char *help_argv[] = {help_arg, NULL};
static const char *progname;
+static enum mandoclevel rc;
int
main(int argc, char *argv[])
{
+ struct manconf conf;
struct curparse curp;
struct mansearch search;
- struct manpaths paths;
char *auxpaths;
char *defos;
unsigned char *uc;
struct manpage *res, *resp;
char *conf_file, *defpaths;
size_t isec, i, sz;
- int prio, best_prio, synopsis_only;
+ int prio, best_prio;
char sec;
- enum mandoclevel rc, rctmp;
+ enum mandoclevel rctmp;
enum outmode outmode;
int fd;
int show_usage;
- int use_pager;
int options;
int c;
+ pid_t pager_pid; /* 0: don't use; 1: not yet spawned. */
if (argc < 1)
progname = "mandoc";
/* Search options. */
- memset(&paths, 0, sizeof(struct manpaths));
+ memset(&conf, 0, sizeof(conf));
conf_file = defpaths = NULL;
auxpaths = NULL;
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;
+ pager_pid = 1;
show_usage = 0;
- synopsis_only = 0;
outmode = OUTMODE_DEF;
while (-1 != (c = getopt(argc, argv,
conf_file = optarg;
break;
case 'c':
- use_pager = 0;
+ pager_pid = 0;
break;
case 'f':
search.argmode = ARG_WORD;
break;
case 'h':
- (void)strlcat(curp.outopts, "synopsis,", BUFSIZ);
- synopsis_only = 1;
- use_pager = 0;
+ conf.output.synopsisonly = 1;
+ pager_pid = 0;
outmode = OUTMODE_ALL;
break;
case 'I':
break;
case 'O':
search.outkey = optarg;
- (void)strlcat(curp.outopts, optarg, BUFSIZ);
- (void)strlcat(curp.outopts, ",", BUFSIZ);
+ while (optarg != NULL)
+ manconf_output(&conf.output,
+ strsep(&optarg, ","));
break;
case 'S':
search.arch = optarg;
switch (search.argmode) {
case ARG_FILE:
outmode = OUTMODE_ALL;
- use_pager = 0;
+ pager_pid = 0;
break;
case ARG_NAME:
outmode = OUTMODE_ONE;
/* Access the mandoc database. */
- manpath_parse(&paths, conf_file, defpaths, auxpaths);
+ manconf_parse(&conf, conf_file, defpaths, auxpaths);
#if HAVE_SQLITE3
mansearch_setup(1);
- if( ! mansearch(&search, &paths, argc, argv, &res, &sz))
+ if ( ! mansearch(&search, &conf.manpath,
+ argc, argv, &res, &sz))
usage(search.argmode);
#else
if (search.argmode != ARG_NAME) {
#endif
if (sz == 0 && search.argmode == ARG_NAME)
- fs_search(&search, &paths, argc, argv, &res, &sz);
+ fs_search(&search, &conf.manpath,
+ argc, argv, &res, &sz);
if (sz == 0) {
rc = MANDOCLEVEL_BADARG;
mparse_keep(curp.mp);
if (argc < 1) {
- if (use_pager && isatty(STDOUT_FILENO))
- spawn_pager();
- parse(&curp, STDIN_FILENO, "<stdin>", &rc);
+ if (pager_pid == 1 && isatty(STDOUT_FILENO))
+ pager_pid = spawn_pager();
+ parse(&curp, STDIN_FILENO, "<stdin>");
}
while (argc > 0) {
rc = rctmp;
if (fd != -1) {
- if (use_pager && isatty(STDOUT_FILENO))
- spawn_pager();
- use_pager = 0;
+ if (pager_pid == 1 && isatty(STDOUT_FILENO))
+ pager_pid = spawn_pager();
if (resp == NULL)
- parse(&curp, fd, *argv, &rc);
+ parse(&curp, fd, *argv);
else if (resp->form & FORM_SRC) {
/* For .so only; ignore failure. */
- chdir(paths.paths[resp->ipath]);
- parse(&curp, fd, resp->file, &rc);
- } else {
- rctmp = passthrough(resp->file, fd,
- synopsis_only);
- if (rc < rctmp)
- rc = rctmp;
- }
+ chdir(conf.manpath.paths[resp->ipath]);
+ parse(&curp, fd, resp->file);
+ } else
+ passthrough(resp->file, fd,
+ conf.output.synopsisonly);
rctmp = mparse_wait(curp.mp);
if (rc < rctmp)
out:
if (search.argmode != ARG_FILE) {
- manpath_free(&paths);
+ manconf_free(&conf);
#if HAVE_SQLITE3
mansearch_free(res, sz);
mansearch_setup(0);
free(defos);
+ /*
+ * If a pager is attached, flush the pipe leading to it
+ * and signal end of file such that the user can browse
+ * to the end. Then wait for the user to close the pager.
+ */
+
+ if (pager_pid != 0 && pager_pid != 1) {
+ fclose(stdout);
+ waitpid(pager_pid, NULL, 0);
+ }
+
return((int)rc);
}
switch (argmode) {
case ARG_FILE:
- fputs("usage: mandoc [-acfhkl] [-Ios=name] "
- "[-Kencoding] [-mformat] [-Ooption]\n"
- "\t [-Toutput] [-Wlevel] [file ...]\n", stderr);
+ 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] "
}
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;
+ enum mandoclevel rctmp;
struct mdoc *mdoc;
struct man *man;
assert(file);
assert(fd >= -1);
- rc = mparse_readfd(curp->mp, fd, file);
+ rctmp = mparse_readfd(curp->mp, fd, file);
+ 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 unset, allocate output dev now (if applicable). */
(*curp->outman)(curp->outdata, man);
if (mdoc && curp->outmdoc)
(*curp->outmdoc)(curp->outdata, mdoc);
-
-cleanup:
- if (*level < rc)
- *level = rc;
}
-static enum mandoclevel
+static void
passthrough(const char *file, int fd, int synopsis_only)
{
const char synb[] = "S\bSY\bYN\bNO\bOP\bPS\bSI\bIS\bS";
done:
fclose(stream);
- return(MANDOCLEVEL_OK);
+ return;
fail:
fprintf(stderr, "%s: %s: SYSERR: %s: %s",
progname, file, syscall, strerror(errno));
- return(MANDOCLEVEL_SYSERR);
+ if (rc < MANDOCLEVEL_SYSERR)
+ rc = MANDOCLEVEL_SYSERR;
}
static int
}
static void
+handle_sigpipe(int signum)
+{
+
+ exit((int)rc);
+}
+
+static pid_t
spawn_pager(void)
{
#define MAX_PAGER_ARGS 16
char *cp;
int fildes[2];
int argc;
+ pid_t pager_pid;
if (pipe(fildes) == -1) {
fprintf(stderr, "%s: pipe: %s\n",
progname, strerror(errno));
- return;
+ return(0);
}
- switch (fork()) {
+ switch (pager_pid = fork()) {
case -1:
fprintf(stderr, "%s: fork: %s\n",
progname, strerror(errno));
exit((int)MANDOCLEVEL_SYSERR);
case 0:
+ break;
+ default:
close(fildes[0]);
if (dup2(fildes[1], STDOUT_FILENO) == -1) {
fprintf(stderr, "%s: dup output: %s\n",
progname, strerror(errno));
exit((int)MANDOCLEVEL_SYSERR);
}
- return;
- default:
- break;
+ close(fildes[1]);
+ signal(SIGPIPE, handle_sigpipe);
+ return(pager_pid);
}
- /* The original process becomes the pager. */
+ /* The child process becomes the pager. */
close(fildes[1]);
if (dup2(fildes[0], STDIN_FILENO) == -1) {
progname, strerror(errno));
exit((int)MANDOCLEVEL_SYSERR);
}
+ close(fildes[0]);
pager = getenv("MANPAGER");
if (pager == NULL || *pager == '\0')
pager = getenv("PAGER");
if (pager == NULL || *pager == '\0')
- pager = "/usr/bin/more -s";
+ pager = "more -s";
cp = mandoc_strdup(pager);
/*
git.ckatri.com / mandoc.git / blobdiff