1 files changed, 97 insertions, 0 deletions
diff --git a/usr/src/lib/libbc/libc/gen/sys5/system.c b/usr/src/lib/libbc/libc/gen/sys5/system.c
new file mode 100644
index 0000000000..9919b3bbc3
--- /dev/null
+++ b/usr/src/lib/libbc/libc/gen/sys5/system.c
@@ -0,0 +1,97 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License, Version 1.0 only
+ * (the "License").  You may not use this file except in compliance
+ * with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 1992 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+/*      Copyright (c) 1984 AT&T */
+/*        All Rights Reserved   */
+
+#pragma ident	"%Z%%M%	%I%	%E% SMI"  /* from S5R2 1.2 */
+
+/*LINTLIBRARY*/
+#include <signal.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <string.h>
+#include <sys/file.h>
+
+extern int execl();
+
+int
+system(s)
+char	*s;
+{
+	int	status;
+	pid_t	pid, w;
+	register void (*istat)(), (*qstat)();
+	char	path[256];
+	char 	*c;
+
+	while (*s == ' ' || *s == '\t')
+		s++;
+
+	if (strncmp(s, "/usr/ucb", strlen("/usr/ucb")) == 0) {
+		/* check if command is under /usr/ucb, if not
+		 * replace /usr/ucb with /usr/bin.
+ 		 */
+		strcpy(path, s);
+		if ((c = strchr(path, ' ')) != NULL)
+			*c ='\0';
+		if (access(path, F_OK) == -1) {
+			strncpy(path, "/usr/bin", strlen("/usr/bin"));
+			if (c != NULL) *c = ' ';
+			s = path;
+		}
+	}
+	else if (strncmp(s, "/bin", strlen("/bin")) == 0 ||
+		 strncmp(s, "/usr/bin", strlen("/usr/bin")) == 0) {
+		/* if /usr/bin is specified, first check if the command
+		 * exists under /usr/bin, otherwise try /usr/ucb */
+		if (access(path, F_OK) == -1) {
+			strcpy(path, "/usr/ucb");
+			if (strncmp(s, "/bin", strlen("/bin")) == 0) 
+				strcat(path, strchr(s+1, '/'));
+			else {
+				c = strchr(s+1, '/');
+				strcat(path, strchr(c+1, '/'));
+			}
+			if (c != NULL) *c = ' ';
+			s = path;
+		}
+	}	
+
+	if ((pid = vfork()) == 0) {
+		(void) execl("/bin/sh", "sh", "-c", s, (char *)0);
+		_exit(127);
+	}
+	if (pid == -1) {
+		return (-1);
+	}
+	istat = signal(SIGINT, SIG_IGN);
+	qstat = signal(SIGQUIT, SIG_IGN);
+	w = waitpid(pid, &status, 0);
+	(void) signal(SIGINT, istat);
+	(void) signal(SIGQUIT, qstat);
+	return ((w == -1) ? -1: status);
+}