main.c

/*
 * Copyright (c) 2017, Citrix Systems, Inc.
 *
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * 
 *  1. Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *  2. Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 *  3. Neither the name of the copyright holder nor the names of its 
 *     contributors may be used to endorse or promote products derived from 
 *     this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

#include "cbt-util-priv.h"

int
main(int argc, char *argv[])
{
	char **cargv;
	struct command *cmd;
	int cargc, i, cnt, ret;

	ret = 0;

	if (argc < 2) {
		help();
		exit(EINVAL);
	}

	cargc = argc - 1;
	cmd   = get_command(argv[1]);
	if (!cmd) {
		fprintf(stderr, "Invalid COMMAND %s\n", argv[1]);
		help();
		exit(0);
	}

	cargv = malloc(sizeof(char *) * cargc);
	if (!cargv)
		exit(ENOMEM);

	cnt      = 1;
	cargv[0] = cmd->name;
	for (i = 1; i < cargc; i++) {
		char *arg = argv[i + (argc - cargc)];

		cargv[cnt++] = arg;
	}

	ret = cmd->func(cnt, cargv);

	free(cargv);

	return (ret >= 0 ? ret : -ret);
}