-/* $Id: main.c,v 1.299 2017/07/04 14:40:38 schwarze Exp $ */
+/* $Id: main.c,v 1.306 2018/05/14 14:10:23 schwarze Exp $ */
/*
* Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
- * Copyright (c) 2010-2012, 2014-2017 Ingo Schwarze <schwarze@openbsd.org>
+ * Copyright (c) 2010-2012, 2014-2018 Ingo Schwarze <schwarze@openbsd.org>
* Copyright (c) 2010 Joerg Sonnenberger <joerg@netbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
#include "config.h"
#include <sys/types.h>
+#include <sys/ioctl.h>
#include <sys/param.h> /* MACHINE */
+#include <sys/termios.h>
#include <sys/wait.h>
#include <assert.h>
static char help_arg[] = "help";
static char *help_argv[] = {help_arg, NULL};
static enum mandoclevel rc;
+static FILE *mmsg_stream;
int
struct manconf conf;
struct mansearch search;
struct curparse curp;
+ struct winsize ws;
struct tag_files *tag_files;
struct manpage *res, *resp;
const char *progname, *sec, *thisarg;
size_t i, sz;
int prio, best_prio;
enum outmode outmode;
- int fd;
+ int fd, startdir;
int show_usage;
int options;
int use_pager;
curp.mmin = MANDOCERR_MAX;
curp.outopts = &conf.output;
options = MPARSE_SO | MPARSE_UTF8 | MPARSE_LATIN1;
+ mmsg_stream = stderr;
use_pager = 1;
tag_files = NULL;
!isatty(STDOUT_FILENO))
use_pager = 0;
+ if (use_pager &&
+ (conf.output.width == 0 || conf.output.indent == 0) &&
+ ioctl(STDOUT_FILENO, TIOCGWINSZ, &ws) != -1 &&
+ ws.ws_col > 1) {
+ if (conf.output.width == 0 && ws.ws_col < 79)
+ conf.output.width = ws.ws_col - 1;
+ if (conf.output.indent == 0 && ws.ws_col < 66)
+ conf.output.indent = 3;
+ }
+
#if HAVE_PLEDGE
if (!use_pager)
if (pledge("stdio rpath", NULL) == -1)
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 && search.argmode == ARG_NAME)
+ fs_search(&search, &conf.manpath,
+ argc, argv, &res, &sz);
+
+ if (search.argmode == ARG_NAME) {
+ for (c = 0; c < argc; c++) {
+ if (strchr(argv[c], '/') == NULL)
+ continue;
+ if (access(argv[c], R_OK) == -1) {
+ warn("%s", argv[c]);
+ continue;
+ }
+ res = mandoc_reallocarray(res,
+ sz + 1, sizeof(*res));
+ res[sz].file = mandoc_strdup(argv[c]);
+ res[sz].names = NULL;
+ res[sz].output = NULL;
+ res[sz].ipath = SIZE_MAX;
+ res[sz].bits = 0;
+ res[sz].sec = 10;
+ res[sz].form = FORM_SRC;
+ sz++;
+ }
}
if (sz == 0) {
+ if (search.argmode != ARG_NAME)
+ warnx("nothing appropriate");
rc = MANDOCLEVEL_BADARG;
goto out;
}
parse(&curp, STDIN_FILENO, "<stdin>");
}
+ /*
+ * Remember the original working directory, if possible.
+ * This will be needed if some names on the command line
+ * are page names and some are relative file names.
+ * Do not error out if the current directory is not
+ * readable: Maybe it won't be needed after all.
+ */
+ startdir = open(".", O_RDONLY | O_DIRECTORY);
+
while (argc > 0) {
+
+ /*
+ * Changing directories is not needed in ARG_FILE mode.
+ * Do it on a best-effort basis. Even in case of
+ * failure, some functionality may still work.
+ */
+ if (resp != NULL) {
+ if (resp->ipath != SIZE_MAX)
+ (void)chdir(conf.manpath.paths[resp->ipath]);
+ else if (startdir != -1)
+ (void)fchdir(startdir);
+ }
+
fd = mparse_open(curp.mp, resp != NULL ? resp->file : *argv);
if (fd != -1) {
if (use_pager) {
if (resp == NULL)
parse(&curp, fd, *argv);
- else if (resp->form == FORM_SRC) {
- /* For .so only; ignore failure. */
- chdir(conf.manpath.paths[resp->ipath]);
+ else if (resp->form == FORM_SRC)
parse(&curp, fd, resp->file);
- } else
+ else
passthrough(resp->file, fd,
conf.output.synopsisonly);
+ if (ferror(stdout)) {
+ if (tag_files != NULL) {
+ warn("%s", tag_files->ofn);
+ tag_unlink();
+ tag_files = NULL;
+ } else
+ warn("stdout");
+ rc = MANDOCLEVEL_SYSERR;
+ break;
+ }
+
if (argc > 1 && curp.outtype <= OUTT_UTF8) {
if (curp.outdata == NULL)
outdata_alloc(&curp);
if (--argc)
mparse_reset(curp.mp);
}
+ if (startdir != -1) {
+ (void)fchdir(startdir);
+ close(startdir);
+ }
if (curp.outdata != NULL) {
switch (curp.outtype) {
cfg->firstmatch)
return 1;
}
- if (res != NULL && *ressz == lastsz)
+ if (res != NULL && *ressz == lastsz &&
+ strchr(*argv, '/') == NULL)
warnx("No entry for %s in the manual.", *argv);
lastsz = *ressz;
argv++;
else if (0 == strcmp(arg, "lint")) {
curp->outtype = OUTT_LINT;
curp->mmin = MANDOCERR_BASE;
+ mmsg_stream = stdout;
} else if (0 == strcmp(arg, "tree"))
curp->outtype = OUTT_TREE;
else if (0 == strcmp(arg, "man"))
{
const char *mparse_msg;
- fprintf(stderr, "%s: %s:", getprogname(),
+ fprintf(mmsg_stream, "%s: %s:", getprogname(),
file == NULL ? "<stdin>" : file);
if (line)
- fprintf(stderr, "%d:%d:", line, col + 1);
+ fprintf(mmsg_stream, "%d:%d:", line, col + 1);
- fprintf(stderr, " %s", mparse_strlevel(lvl));
+ fprintf(mmsg_stream, " %s", mparse_strlevel(lvl));
if ((mparse_msg = mparse_strerror(t)) != NULL)
- fprintf(stderr, ": %s", mparse_msg);
+ fprintf(mmsg_stream, ": %s", mparse_msg);
if (msg)
- fprintf(stderr, ": %s", msg);
+ fprintf(mmsg_stream, ": %s", msg);
- fputc('\n', stderr);
+ fputc('\n', mmsg_stream);
}
static pid_t
if (dup2(tag_files->ofd, STDOUT_FILENO) == -1)
err((int)MANDOCLEVEL_SYSERR, "pager stdout");
close(tag_files->ofd);
- close(tag_files->tfd);
+ assert(tag_files->tfd == -1);
/* Do not start the pager before controlling the terminal. */