Imported Upstream version 93u+upstream

1 files changed, 55 insertions, 0 deletions

diff --git a/src/lib/libast/comp/system.c b/src/lib/libast/comp/system.c
new file mode 100644
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+++ b/src/lib/libast/comp/system.c
@@ -0,0 +1,55 @@
+/***********************************************************************
+*                                                                      *
+*               This software is part of the ast package               *
+*          Copyright (c) 1985-2011 AT&T Intellectual Property          *
+*                      and is licensed under the                       *
+*                 Eclipse Public License, Version 1.0                  *
+*                    by AT&T Intellectual Property                     *
+*                                                                      *
+*                A copy of the License is available at                 *
+*          http://www.eclipse.org/org/documents/epl-v10.html           *
+*         (with md5 checksum b35adb5213ca9657e911e9befb180842)         *
+*                                                                      *
+*              Information and Software Systems Research               *
+*                            AT&T Research                             *
+*                           Florham Park NJ                            *
+*                                                                      *
+*                 Glenn Fowler <gsf@research.att.com>                  *
+*                  David Korn <dgk@research.att.com>                   *
+*                   Phong Vo <kpv@research.att.com>                    *
+*                                                                      *
+***********************************************************************/
+#pragma prototyped
+/*
+ * ast library system(3)
+ */
+
+#define system		______system
+
+#define _STDLIB_H_	1	/* uwin workaround */
+
+#include <ast.h>
+#include <proc.h>
+
+#undef	system
+
+#undef	_def_map_ast
+#include <ast_map.h>
+
+#if defined(__EXPORT__)
+#define extern	__EXPORT__
+#endif
+
+extern int
+system(const char* cmd)
+{
+	char*	sh[4];
+
+	if (!cmd)
+		return !eaccess(pathshell(), X_OK);
+	sh[0] = "sh";
+	sh[1] = "-c";
+	sh[2] = (char*)cmd;
+	sh[3] = 0;
+	return procrun(NiL, sh, 0);
+}