summaryrefslogtreecommitdiff
path: root/servicecmd/help.c
diff options
context:
space:
mode:
authorDavid Oberhollenzer <david.oberhollenzer@tele2.at>2018-04-12 05:30:12 +0200
committerDavid Oberhollenzer <david.oberhollenzer@tele2.at>2018-04-12 10:28:40 +0200
commit6cf0a254cd9e4892a941bb5ad6f8d9ed317b1617 (patch)
treead9f1b409c5a465986078ee16b102f6fa6cfbdb3 /servicecmd/help.c
parente148e873e05e4ebe4d7a90cdbe8cdd72618eb7ac (diff)
Build system and directory structure cleanup
Signed-off-by: David Oberhollenzer <david.oberhollenzer@tele2.at>
Diffstat (limited to 'servicecmd/help.c')
-rw-r--r--servicecmd/help.c129
1 files changed, 0 insertions, 129 deletions
diff --git a/servicecmd/help.c b/servicecmd/help.c
deleted file mode 100644
index 4fa9951..0000000
--- a/servicecmd/help.c
+++ /dev/null
@@ -1,129 +0,0 @@
-/* SPDX-License-Identifier: GPL-3.0-or-later */
-/*
- * Copyright (C) 2018 - David Oberhollenzer
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <https://www.gnu.org/licenses/>.
- */
-#include "servicecmd.h"
-
-extern char *__progname;
-
-static void pretty_print(const char *str, int padd, int len)
-{
- int i, brk;
-next:
- while (isspace(*str) && *str != '\n')
- ++str;
-
- if (!(*str))
- return;
-
- if (*str == '\n') {
- fputc('\n', stdout);
- ++str;
- len = padd;
- goto next;
- }
-
- for (i = 0, brk = 0; str[i]; ++i) {
- if (str[i] == '<' || str[i] == '[')
- ++brk;
- if (str[i] == '>' || str[i] == ']')
- --brk;
- if (!brk && isspace(str[i]))
- break;
- }
-
- if ((len + i) < 80) {
- fwrite(str, 1, i, stdout);
- str += i;
- len += i;
-
- if ((len + 1) < 80) {
- fputc(' ', stdout);
- ++len;
- goto next;
- }
- }
-
- printf("\n%*s", padd, "");
- len = padd;
- goto next;
-}
-
-static void print_cmd_usage(const char *cmd, const char *usage)
-{
- int padd;
-
- padd = printf("Usage: %s %s ", __progname, cmd);
-
- if ((strlen(usage) + padd) < 80) {
- fputs(usage, stdout);
- return;
- }
-
- pretty_print(usage, padd, padd);
-}
-
-static int cmd_help(int argc, char **argv)
-{
- const char *help;
- command_t *cmd;
-
- if (argc < 2)
- usage(EXIT_SUCCESS);
-
- if (argc > 2) {
- fprintf(stderr, "Too many arguments\n\n"
- "Usage: %s help <command>", __progname);
- return EXIT_FAILURE;
- }
-
- for (cmd = commands; cmd != NULL; cmd = cmd->next) {
- if (strcmp(cmd->cmd, argv[1]) != 0)
- continue;
-
- print_cmd_usage(cmd->cmd, cmd->usage);
- fputs("\n\n", stdout);
-
- help = cmd->l_desc ? cmd->l_desc : cmd->s_desc;
-
- if (islower(*help)) {
- fputc(toupper(*(help++)), stdout);
- pretty_print(help, 0, 1);
- } else {
- pretty_print(help, 0, 0);
- }
-
- fputc('\n', stdout);
- return EXIT_SUCCESS;
- }
-
- fprintf(stderr, "Unknown command '%s'\n\n"
- "Try `%s help' for a list of available commands\n",
- argv[1], __progname);
- return EXIT_FAILURE;
-}
-
-static command_t help = {
- .cmd = "help",
- .usage = "<command>",
- .s_desc = "print a help text for a command",
- .l_desc = "Print a help text for a specified command. If no command "
- "is specified, print a generic help text and a list of "
- "available commands.",
- .run_cmd = cmd_help,
-};
-
-REGISTER_COMMAND(help)