init/servicecmd/servicecmd.c

57 lines
1.1 KiB
C

#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);
}
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);
}