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/*
* help.c - ps help output
* Copyright 1998-2004 by Albert Cahalan
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "common.h"
enum {
HELP_SMP, HELP_LST, HELP_OUT,
HELP_THD, HELP_MSC, HELP_ALL,
HELP_default
};
static struct {
const char *word;
const char *abrv;
} help_tab[HELP_default];
static int parse_help_opt (const char *opt) {
/* Translation Notes for ps Help #1 ---------------------------------
. This next group of lines represents 6 pairs of words + abbreviations
. which are the basis of the 'ps' program help text.
.
. The words and abbreviations you provide will alter program behavior.
. They will also appear in the help usage summary associated with the
. "Notes for ps Help #2" below.
.
. In their English form, help text would look like this:
. Try 'ps --help <simple|list|output|threads|misc|all>'
. or 'ps --help <s|l|o|t|m|a>'
. for additional help text.
.
. When translating these 6 pairs you may choose any appropriate
. language equivalents and the only requirement is the abbreviated
. representations must be unique.
.
. By default, those abbreviations are single characters. However,
. they are not limited to only one character after translation.
. */
/* Translation Hint, Pair #1 */
help_tab[HELP_SMP].word = _("simple"); help_tab[HELP_SMP].abrv = _("s");
/* Translation Hint, Pair #2 */
help_tab[HELP_LST].word = _("list"); help_tab[HELP_LST].abrv = _("l");
/* Translation Hint, Pair #3 */
help_tab[HELP_OUT].word = _("output"); help_tab[HELP_OUT].abrv = _("o");
/* Translation Hint, Pair #4 */
help_tab[HELP_THD].word = _("threads"); help_tab[HELP_THD].abrv = _("t");
/* Translation Hint, Pair #5 */
help_tab[HELP_MSC].word = _("misc"); help_tab[HELP_MSC].abrv = _("m");
/* Translation Hint, Pair #6 */
help_tab[HELP_ALL].word = _("all"); help_tab[HELP_ALL].abrv = _("a");
/*
* the above are doubled on each line so they carry the same .pot
* line # reference and thus appear more like true "pairs" even
* though xgettext will produce separate msgid/msgstr groups */
if(opt) {
int i;
for (i = HELP_SMP; i < HELP_default; i++)
if (!strcmp(opt, help_tab[i].word) || !strcmp(opt, help_tab[i].abrv))
return i;
}
return HELP_default;
}
void do_help (const char *opt, int rc) NORETURN;
void do_help (const char *opt, int rc) {
FILE *out = (rc == EXIT_SUCCESS) ? stdout : stderr;
int section = parse_help_opt(opt);
fprintf(out, _("\n"
"Usage:\n"
" %s [options]\n"), myname);
if (section == HELP_SMP || section == HELP_ALL) {
fputs(_("\nBasic options:\n"), out);
fputs(_(" -A, -e all processes\n"), out);
fputs(_(" -a all with tty, except session leaders\n"), out);
fputs(_(" a all with tty, including other users\n"), out);
fputs(_(" -d all except session leaders\n"), out);
fputs(_(" -N, --deselect negate selection\n"), out);
fputs(_(" r only running processes\n"), out);
fputs(_(" T all processes on this terminal\n"), out);
fputs(_(" x processes without controlling ttys\n"), out);
}
if (section == HELP_LST || section == HELP_ALL) {
fputs(_("\nSelection by list:\n"), out);
fputs(_(" -C <command> command name\n"), out);
fputs(_(" -G, --Group <GID> real group id or name\n"), out);
fputs(_(" -g, --group <group> session or effective group name\n"), out);
fputs(_(" -p, --pid <PID> process id\n"), out);
fputs(_(" --ppid <PID> select by parent process id\n"), out);
fputs(_(" -s, --sid <session> session id\n"), out);
fputs(_(" -t, t, --tty <tty> terminal\n"), out);
fputs(_(" -u, U, --user <UID> effective user id or name\n"), out);
fputs(_(" -U, --User <UID> real user id or name\n"), out);
fputs(_("\n"
" The selection options take as their argument either:\n"
" a comma-separated list e.g. '-u root,nobody' or\n"
" a blank-separated list e.g. '-p 123 4567'\n"), out);
}
if (section == HELP_OUT || section == HELP_ALL) {
fputs(_("\nOutput formats:\n"), out);
fputs(_(" -F extra full\n"), out);
fputs(_(" -f full-format, including command lines\n"), out);
fputs(_(" f, --forest ascii art process tree\n"), out);
fputs(_(" -H show process hierarchy\n"), out);
fputs(_(" -j jobs format\n"), out);
fputs(_(" j BSD job control format\n"), out);
fputs(_(" -l long format\n"), out);
fputs(_(" l BSD long format\n"), out);
fputs(_(" -M, Z add security data (for SELinux)\n"), out);
fputs(_(" -O <format> preloaded with default columns\n"), out);
fputs(_(" O <format> as -O, with BSD personality\n"), out);
fputs(_(" -o, o, --format <format>\n"
" user-defined format\n"), out);
fputs(_(" s signal format\n"), out);
fputs(_(" u user-oriented format\n"), out);
fputs(_(" v virtual memory format\n"), out);
fputs(_(" X register format\n"), out);
fputs(_(" -y do not show flags, show rss vs. addr (used with -l)\n"), out);
fputs(_(" --context display security context (for SELinux)\n"), out);
fputs(_(" --headers repeat header lines, one per page\n"), out);
fputs(_(" --no-headers do not print header at all\n"), out);
fputs(_(" --cols, --columns, --width <num>\n"
" set screen width\n"), out);
fputs(_(" --rows, --lines <num>\n"
" set screen height\n"), out);
}
if (section == HELP_THD || section == HELP_ALL) {
fputs(_("\nShow threads:\n"), out);
fputs(_(" H as if they were processes\n"), out);
fputs(_(" -L possibly with LWP and NLWP columns\n"), out);
fputs(_(" -m, m after processes\n"), out);
fputs(_(" -T possibly with SPID column\n"), out);
}
if (section == HELP_MSC || section == HELP_ALL) {
fputs(_("\nMiscellaneous options:\n"), out);
fputs(_(" -c show scheduling class with -l option\n"), out);
fputs(_(" c show true command name\n"), out);
fputs(_(" e show the environment after command\n"), out);
fputs(_(" k, --sort specify sort order as: [+|-]key[,[+|-]key[,...]]\n"), out);
fputs(_(" L show format specifiers\n"), out);
fputs(_(" n display numeric uid and wchan\n"), out);
fputs(_(" S, --cumulative include some dead child process data\n"), out);
fputs(_(" -y do not show flags, show rss (only with -l)\n"), out);
fputs(_(" -V, V, --version display version information and exit\n"), out);
fputs(_(" -w, w unlimited output width\n"), out);
fprintf(out, _("\n"
" --%s <%s|%s|%s|%s|%s|%s>\n"
" display help and exit\n")
, the_word_help
, help_tab[HELP_SMP].word, help_tab[HELP_LST].word
, help_tab[HELP_OUT].word, help_tab[HELP_THD].word
, help_tab[HELP_MSC].word, help_tab[HELP_ALL].word);
}
if (section == HELP_default) {
/* Translation Notes for ps Help #2 ---------------------------------
. Most of the following c-format string is derived from the 6
. pairs of words + chars mentioned above in "Notes for ps Help #1".
.
. In its full English form, help text would look like this:
. Try 'ps --help <simple|list|output|threads|misc|all>'
. or 'ps --help <s|l|o|t|m|a>'
. for additional help text.
.
. The word for "help" will be translated elsewhere. Thus, the only
. translations below will be: "Try", "or" and "for additional...".
. */
fprintf(out, _("\n"
" Try '%s --%s <%s|%s|%s|%s|%s|%s>'\n"
" or '%s --%s <%s|%s|%s|%s|%s|%s>'\n"
" for additional help text.\n")
, myname, the_word_help
, help_tab[HELP_SMP].word, help_tab[HELP_LST].word
, help_tab[HELP_OUT].word, help_tab[HELP_THD].word
, help_tab[HELP_MSC].word, help_tab[HELP_ALL].word
, myname, the_word_help
, help_tab[HELP_SMP].abrv, help_tab[HELP_LST].abrv
, help_tab[HELP_OUT].abrv, help_tab[HELP_THD].abrv
, help_tab[HELP_MSC].abrv, help_tab[HELP_ALL].abrv);
}
fprintf(out, _("\nFor more details see ps(1).\n"));
exit(rc);
}
/* Missing:
*
* -P e k
*
*/
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