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src/ps/help.c
224 строки
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Craig Small
ps: Add a column delimiter
23 апр 2025, 15:42
23 апр 2025, 15:42
ad9d522
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/* * help.c - ps help output * * Copyright © 2012-2023 Jim Warner <james.warner@comcast.net * Copyright © 2004-2023 Craig Small <csmall@dropbear.xyz> * Copyright © 2012-2014 Jaromir Capik <jcapik@redhat.com * Copyright © 1998-2004 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); 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, p, --pid <PID> process id\n"), out); fputs(_(" --ppid <PID> parent process id\n"), out); fputs(_(" -q, q, --quick-pid <PID>\n" " process id (quick mode)\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(_(" -D <format> date format for lstart\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(_(" -P add psr column\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(_(" --delimiter <d> Use <d> as a column delimiter instead of variable space\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); fputs(_(" --signames display signal masks using signal names\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 * */