view rvinterf/asyncshell/oneshot.c @ 965:bd873572ef2c

fc-shell: one-shot command mode implemented
author Mychaela Falconia <falcon@ivan.Harhan.ORG>
date Sat, 07 Nov 2015 00:00:46 +0000
parents
children 93f4fc26b204
line wrap: on
line source

/*
 * This module implements the one-shot command mode of fc-shell.
 */

#include <stdio.h>
#include <string.h>
#include <strings.h>
#include <stdlib.h>

extern int cmd_poweroff();
extern int cmd_sp_oneshot();
extern int cmd_tgtreset();

static struct cmdtab {
	char *cmd;
	int minargs;
	int maxargs;
	int (*func)();
} cmdtab[] = {
	{"poweroff", 0, 0, cmd_poweroff},
	{"sp", 2, 2, cmd_sp_oneshot},
	{"tgtreset", 0, 0, cmd_tgtreset},
	{0, 0, 0, 0}
};

oneshot_command(argc, argv)
	char **argv;
{
	struct cmdtab *tp;

	for (tp = cmdtab; tp->cmd; tp++)
		if (!strcmp(tp->cmd, argv[0]))
			break;
	if (!tp->func) {
		fprintf(stderr,
			"error: \"%s\" is not a valid one-shot command\n",
			argv[0]);
		exit(1);
	}
	if (argc - 1 > tp->maxargs) {
		fprintf(stderr, "%s: too many arguments\n", tp->cmd);
		exit(1);
	}
	if (argc - 1 < tp->minargs) {
		fprintf(stderr, "%s: too few arguments\n", tp->cmd);
		exit(1);
	}
	return tp->func(argc, argv);
}