1/* 2 * Copyright (c) 2003-2005 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 * 16 * Sponsored in part by the Defense Advanced Research Projects 17 * Agency (DARPA) and Air Force Research Laboratory, Air Force 18 * Materiel Command, USAF, under agreement number F39502-99-1-0512. 19 */ 20 21#include <config.h> 22 23#include <sys/types.h> 24 25#include <stdio.h> 26#include <string.h> 27 28#include "missing.h" 29 30const char * 31getprogname() 32{ 33 static const char *progname; 34 extern int Argc; 35 extern char **Argv; 36 37 if (progname == NULL) { 38 if (Argc < 0) 39 progname = "sudo"; 40 else if ((progname = strrchr(Argv[0], '/')) != NULL) 41 progname++; 42 else 43 progname = Argv[0]; 44 } 45 return progname; 46} 47