Annotation of prex/usr/lib/libc/gen/execl.c, Revision 1.1.1.1
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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