1 /***********************************************************************
2 *                                                                      *
3 *               This software is part of the ast package               *
4 *          Copyright (c) 1985-2011 AT&T Intellectual Property          *
5 *                      and is licensed under the                       *
6 *                 Eclipse Public License, Version 1.0                  *
7 *                    by AT&T Intellectual Property                     *
8 *                                                                      *
9 *                A copy of the License is available at                 *
10 *          http://www.eclipse.org/org/documents/epl-v10.html           *
11 *         (with md5 checksum b35adb5213ca9657e911e9befb180842)         *
12 *                                                                      *
13 *              Information and Software Systems Research               *
14 *                            AT&T Research                             *
15 *                           Florham Park NJ                            *
16 *                                                                      *
17 *                 Glenn Fowler <gsf@research.att.com>                  *
18 *                  David Korn <dgk@research.att.com>                   *
19 *                   Phong Vo <kpv@research.att.com>                    *
20 *                                                                      *
21 ***********************************************************************/
22 #pragma prototyped
23 /*
24  * ast library system(3)
25  */
26 
27 #define system		______system
28 
29 #define _STDLIB_H_	1	/* uwin workaround */
30 
31 #include <ast.h>
32 #include <proc.h>
33 
34 #undef	system
35 
36 #undef	_def_map_ast
37 #include <ast_map.h>
38 
39 #if defined(__EXPORT__)
40 #define extern	__EXPORT__
41 #endif
42 
43 extern int
system(const char * cmd)44 system(const char* cmd)
45 {
46 	char*	sh[4];
47 
48 	if (!cmd)
49 		return !eaccess(pathshell(), X_OK);
50 	sh[0] = "sh";
51 	sh[1] = "-c";
52 	sh[2] = (char*)cmd;
53 	sh[3] = 0;
54 	return procrun(NiL, sh, 0);
55 }
56