+++ /dev/null
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- This file is part of systemd.
-
- Copyright 2014 Michael Biebl
-
- systemd 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.
-
- systemd 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 systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <getopt.h>
-
-#include "log.h"
-#include "unit-name.h"
-#include "build.h"
-#include "strv.h"
-
-static enum {
- ACTION_ESCAPE,
- ACTION_UNESCAPE,
- ACTION_MANGLE
-} arg_action = ACTION_ESCAPE;
-static const char *arg_suffix = NULL;
-static const char *arg_template = NULL;
-static bool arg_path = false;
-
-static void help(void) {
- printf("%s [OPTIONS...] [NAME...]\n\n"
- "Show system and user paths.\n\n"
- " -h --help Show this help\n"
- " --version Show package version\n"
- " --suffix=SUFFIX Unit suffix to append to escaped strings\n"
- " --template=TEMPLATE Insert strings as instance into template\n"
- " -u --unescape Unescape strings\n"
- " -m --mangle Mangle strings\n"
- " -p --path When escaping/unescaping assume the string is a path\n"
- , program_invocation_short_name);
-}
-
-static int parse_argv(int argc, char *argv[]) {
-
- enum {
- ARG_VERSION = 0x100,
- ARG_SUFFIX,
- ARG_TEMPLATE
- };
-
- static const struct option options[] = {
- { "help", no_argument, NULL, 'h' },
- { "version", no_argument, NULL, ARG_VERSION },
- { "suffix", required_argument, NULL, ARG_SUFFIX },
- { "template", required_argument, NULL, ARG_TEMPLATE },
- { "unescape", no_argument, NULL, 'u' },
- { "mangle", no_argument, NULL, 'm' },
- { "path", no_argument, NULL, 'p' },
- {}
- };
-
- int c;
-
- assert(argc >= 0);
- assert(argv);
-
- while ((c = getopt_long(argc, argv, "hump", options, NULL)) >= 0)
-
- switch (c) {
-
- case 'h':
- help();
- return 0;
-
- case ARG_VERSION:
- puts(PACKAGE_STRING);
- puts(SYSTEMD_FEATURES);
- return 0;
-
- case ARG_SUFFIX:
-
- if (unit_type_from_string(optarg) < 0) {
- log_error("Invalid unit suffix type %s.", optarg);
- return -EINVAL;
- }
-
- arg_suffix = optarg;
- break;
-
- case ARG_TEMPLATE:
-
- if (!unit_name_is_valid(optarg, true) || !unit_name_is_template(optarg)) {
- log_error("Template name %s is not valid.", optarg);
- return -EINVAL;
- }
-
- arg_template = optarg;
- break;
-
- case 'u':
- arg_action = ACTION_UNESCAPE;
- break;
-
- case 'm':
- arg_action = ACTION_MANGLE;
- break;
-
- case 'p':
- arg_path = true;
- break;
-
- case '?':
- return -EINVAL;
-
- default:
- assert_not_reached("Unhandled option");
- }
-
- if (optind >= argc) {
- log_error("Not enough arguments.");
- return -EINVAL;
- }
-
- if (arg_template && arg_suffix) {
- log_error("--suffix= and --template= may not be combined.");
- return -EINVAL;
- }
-
- if ((arg_template || arg_suffix) && arg_action != ACTION_ESCAPE) {
- log_error("--suffix= and --template= are not compatible with --unescape or --mangle.");
- return -EINVAL;
- }
-
- if (arg_path && !IN_SET(arg_action, ACTION_ESCAPE, ACTION_UNESCAPE)) {
- log_error("--path may not be combined with --mangle.");
- return -EINVAL;
- }
-
- return 1;
-}
-
-int main(int argc, char *argv[]) {
- char **i;
- int r;
-
- log_parse_environment();
- log_open();
-
- r = parse_argv(argc, argv);
- if (r <= 0)
- goto finish;
-
- STRV_FOREACH(i, argv + optind) {
- _cleanup_free_ char *e = NULL;
-
- switch (arg_action) {
-
- case ACTION_ESCAPE:
- if (arg_path)
- e = unit_name_path_escape(*i);
- else
- e = unit_name_escape(*i);
-
- if (!e) {
- r = log_oom();
- goto finish;
- }
-
- if (arg_template) {
- char *x;
-
- x = unit_name_replace_instance(arg_template, e);
- if (!x) {
- r = log_oom();
- goto finish;
- }
-
- free(e);
- e = x;
- } else if (arg_suffix) {
- char *x;
-
- x = strjoin(e, ".", arg_suffix, NULL);
- if (!x) {
- r = log_oom();
- goto finish;
- }
-
- free(e);
- e = x;
- }
-
- break;
-
- case ACTION_UNESCAPE:
- if (arg_path)
- e = unit_name_path_unescape(*i);
- else
- e = unit_name_unescape(*i);
-
- if (!e) {
- r = log_oom();
- goto finish;
- }
- break;
-
- case ACTION_MANGLE:
- e = unit_name_mangle(*i, MANGLE_NOGLOB);
- if (!e) {
- r = log_oom();
- goto finish;
- }
- break;
- }
-
- if (i != argv+optind)
- fputc(' ', stdout);
-
- fputs(e, stdout);
- }
-
- fputc('\n', stdout);
-
-finish:
- return r <= 0 ? EXIT_FAILURE : EXIT_SUCCESS;
-}
~ianmdlvl / elogind.git / blobdiff