Annotation of prex-old/usr/lib/libc/gen/execle.c, Revision 1.1.1.1
1.1 nbrk 1: /*-
2: * Copyright (c) 1991, 1993
3: * The Regents of the University of California. All rights reserved.
4: *
5: * Redistribution and use in source and binary forms, with or without
6: * modification, are permitted provided that the following conditions
7: * are met:
8: * 1. Redistributions of source code must retain the above copyright
9: * notice, this list of conditions and the following disclaimer.
10: * 2. Redistributions in binary form must reproduce the above copyright
11: * notice, this list of conditions and the following disclaimer in the
12: * documentation and/or other materials provided with the distribution.
13: * 3. Neither the name of the University nor the names of its contributors
14: * may be used to endorse or promote products derived from this software
15: * without specific prior written permission.
16: *
17: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27: * SUCH DAMAGE.
28: */
29:
30: #include <sys/cdefs.h>
31: #include <stdarg.h>
32: #include <stdlib.h>
33: #include <unistd.h>
34:
35: int
36: execle(const char *name, const char *arg, ...)
37: {
38: #if defined(__i386__) || defined(__m68k__) || defined(__ns32k__)
39: va_list ap;
40: char **envp;
41:
42: va_start(ap, arg);
43: while ((va_arg(ap, char *)) != NULL)
44: ;
45: envp = va_arg(ap, char **);
46: va_end(ap);
47:
48: return execve(name, (char **) &arg, envp);
49: #else
50: va_list ap;
51: char **argv, **envp;
52: int i;
53:
54: va_start(ap, arg);
55: for (i = 2; va_arg(ap, char *) != NULL; i++)
56: ;
57: va_end(ap);
58:
59: argv = alloca (i * sizeof (char *));
60:
61: va_start(ap, arg);
62: argv[0] = (char *) arg;
63: for (i = 1; (argv[i] = (char *) va_arg(ap, char *)) != NULL; i++)
64: ;
65: envp = (char **) va_arg(ap, char **);
66: va_end(ap);
67:
68: return execve(name, argv, envp);
69: #endif
70: }
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