Annotation of prex/usr/lib/libc/gen/execl.c, Revision 1.1
1.1 ! nbrk 1: /* $NetBSD: execl.c,v 1.11 2003/08/07 16:42:47 agc Exp $ */
! 2:
! 3: /*-
! 4: * Copyright (c) 1991, 1993
! 5: * The Regents of the University of California. All rights reserved.
! 6: *
! 7: * Redistribution and use in source and binary forms, with or without
! 8: * modification, are permitted provided that the following conditions
! 9: * are met:
! 10: * 1. Redistributions of source code must retain the above copyright
! 11: * notice, this list of conditions and the following disclaimer.
! 12: * 2. Redistributions in binary form must reproduce the above copyright
! 13: * notice, this list of conditions and the following disclaimer in the
! 14: * documentation and/or other materials provided with the distribution.
! 15: * 3. Neither the name of the University nor the names of its contributors
! 16: * may be used to endorse or promote products derived from this software
! 17: * without specific prior written permission.
! 18: *
! 19: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
! 20: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
! 21: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
! 22: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
! 23: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
! 24: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
! 25: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 26: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
! 27: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
! 28: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
! 29: * SUCH DAMAGE.
! 30: */
! 31:
! 32: #include <sys/cdefs.h>
! 33: #include <stdarg.h>
! 34: #include <stdlib.h>
! 35: #include <unistd.h>
! 36:
! 37: extern char **environ;
! 38:
! 39: int
! 40: execl(const char *name, const char *arg, ...)
! 41: {
! 42: int r;
! 43: #if defined(__i386__) || defined(__m68k__) || defined(__ns32k__)
! 44: r = execve(name, (char **) &arg, environ);
! 45: return (r);
! 46: #else
! 47: va_list ap;
! 48: char **argv;
! 49: int i;
! 50:
! 51: va_start(ap, arg);
! 52: for (i = 2; va_arg(ap, char *) != NULL; i++)
! 53: ;
! 54: va_end(ap);
! 55:
! 56: argv = alloca (i * sizeof (char *));
! 57:
! 58: va_start(ap, arg);
! 59: argv[0] = (char *) arg;
! 60: for (i = 1; (argv[i] = (char *) va_arg(ap, char *)) != NULL; i++)
! 61: ;
! 62: va_end(ap);
! 63:
! 64: r = execve(name, argv, environ);
! 65: return (r);
! 66: #endif
! 67: }
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