1/* 2 * Copyright (c) 2008 Todd C. Miller <Todd.Miller@courtesan.com> 3 * 4 * Permission to use, copy, modify, and distribute this software for any 5 * purpose with or without fee is hereby granted, provided that the above 6 * copyright notice and this permission notice appear in all copies. 7 * 8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 15 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 16 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 17 */ 18 19#include <config.h> 20 21#include <sys/types.h> 22#include <err.h> 23#include <errno.h> 24#include <limits.h> 25#include <stdio.h> 26#include <stdlib.h> 27#include <string.h> 28#include <unistd.h> 29 30#include "missing.h" 31 32int 33main (int argc, char **argv) 34{ 35 char *cp, *cmnd; 36 37 if (argc < 2) 38 errx(EXIT_FAILURE, "requires at least one argument"); 39 40 /* Shift argv and make a copy of the command to execute. */ 41 argv++; 42 argc--; 43 cmnd = strdup(argv[0]); 44 if (cmnd == NULL) 45 err(EXIT_FAILURE, NULL); 46 47 /* If invoked as a login shell, modify argv[0] accordingly. */ 48 if (argv[0][0] == '-') { 49 if ((cp = strrchr(argv[0], '/')) == NULL) 50 cp = argv[0]; 51 *cp = '-'; 52 } 53 execv(cmnd, argv); 54 warn("unable to execute %s", argv[0]); 55 _exit(EXIT_FAILURE); 56} 57