view rvinterf/asyncshell/oneshot.c @ 0:e7502631a0f9

initial import from freecalypso-sw rev 1033:5ab737ac3ad7
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 11 Jun 2016 00:13:35 +0000
parents
children d43d82cbfb85
line wrap: on
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/*
 * This module implements the one-shot command mode of fc-shell.
 */

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

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

static struct cmdtab {
	char *cmd;
	int minargs;
	int maxargs;
	int (*func)();
} cmdtab[] = {
	{"poweroff", 0, 0, cmd_poweroff},
	{"send", 1, MAX_PKT_TO_TARGET, cmd_send_oneshot},
	{"sp", 2, 2, cmd_sp_oneshot},
	{"tch-dl", 1, 1, cmd_tchdl_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);
}