usr/src/lib/libast/common/comp/system.c

   1 /***********************************************************************
   2 *                                                                      *
   3 *               This software is part of the ast package               *
   4 *          Copyright (c) 1985-2010 AT&T Intellectual Property          *
   5 *                      and is licensed under the                       *
   6 *                  Common Public License, Version 1.0                  *
   7 *                    by AT&T Intellectual Property                     *
   8 *                                                                      *
   9 *                A copy of the License is available at                 *
  10 *            http://www.opensource.org/licenses/cpl1.0.txt             *
  11 *         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
  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
  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 }