root / prex-0.9.0 / usr / lib / libc / gen / execl.c @ 03e9c04a
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/* $NetBSD: execl.c,v 1.11 2003/08/07 16:42:47 agc Exp $ */
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/*-
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* Copyright (c) 1991, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h> |
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#include <stdarg.h> |
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#include <stdlib.h> |
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#include <unistd.h> |
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extern char **environ; |
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int
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execl(const char *name, const char *arg, ...) |
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{ |
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int r;
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#if defined(__x86__)
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r = execve(name, (char **) &arg, environ);
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return (r);
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#else
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va_list ap; |
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char **argv;
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int i;
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va_start(ap, arg); |
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for (i = 2; va_arg(ap, char *) != NULL; i++) |
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; |
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va_end(ap); |
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argv = alloca (i * sizeof (char *)); |
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va_start(ap, arg); |
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argv[0] = (char *) arg; |
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for (i = 1; (argv[i] = (char *) va_arg(ap, char *)) != NULL; i++) |
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; |
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va_end(ap); |
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r = execve(name, argv, environ); |
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return (r);
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#endif
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} |