mirror of
https://github.com/pygos/init.git
synced 2024-11-18 09:19:47 +01:00
74 lines
1.5 KiB
C
74 lines
1.5 KiB
C
/* SPDX-License-Identifier: ISC */
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
|
|
#include "servicecmd.h"
|
|
#include "service.h"
|
|
#include "config.h"
|
|
#include "util.h"
|
|
|
|
|
|
command_t *commands;
|
|
|
|
extern char *__progname;
|
|
|
|
|
|
void usage(int status)
|
|
{
|
|
FILE *stream = (status == EXIT_SUCCESS ? stdout : stderr);
|
|
int padd = 0, len;
|
|
command_t *cmd;
|
|
|
|
fprintf(stream, "usage: %s <command> [args...]\n\n"
|
|
"Available commands:\n\n", __progname);
|
|
|
|
for (cmd = commands; cmd != NULL; cmd = cmd->next) {
|
|
len = strlen(cmd->cmd);
|
|
|
|
padd = len > padd ? len : padd;
|
|
}
|
|
|
|
for (cmd = commands; cmd != NULL; cmd = cmd->next) {
|
|
fprintf(stream, "%*s - %s\n",
|
|
(int)padd + 1, cmd->cmd, cmd->s_desc);
|
|
}
|
|
|
|
fprintf(stream, "\nTry `%s help <command>' for more information "
|
|
"on a specific command\n", __progname);
|
|
|
|
exit(status);
|
|
}
|
|
|
|
void tell_read_help(const char *cmd)
|
|
{
|
|
fprintf(stderr, "Try `%s help %s' for more information.\n",
|
|
__progname, cmd);
|
|
}
|
|
|
|
int check_arguments(const char *cmd, int argc, int minc, int maxc)
|
|
{
|
|
if (argc >= minc && argc <= maxc)
|
|
return 0;
|
|
|
|
fprintf(stderr, "Too %s arguments for `%s'\n",
|
|
argc > maxc ? "many" : "few", cmd);
|
|
tell_read_help(cmd);
|
|
return -1;
|
|
}
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
command_t *cmd;
|
|
|
|
if (argc < 2)
|
|
usage(EXIT_SUCCESS);
|
|
|
|
for (cmd = commands; cmd != NULL; cmd = cmd->next) {
|
|
if (!strcmp(cmd->cmd, argv[1])) {
|
|
return cmd->run_cmd(argc - 1, argv + 1);
|
|
}
|
|
}
|
|
|
|
fprintf(stderr, "Unknown command '%s'\n\n", argv[1]);
|
|
usage(EXIT_FAILURE);
|
|
}
|