1 files changed, 80 insertions, 0 deletions
diff --git a/usr/src/lib/libbc/libc/gen/common/getcwd.c b/usr/src/lib/libbc/libc/gen/common/getcwd.c
new file mode 100644
index 0000000000..3f3f46b067
--- /dev/null
+++ b/usr/src/lib/libbc/libc/gen/common/getcwd.c
@@ -0,0 +1,80 @@
+/*
+ * 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 1989 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*/
+/*
+ * Library routine to GET the Current Working Directory.
+ * arg1 is a pointer to a character buffer into which the
+ * path name of the current directory is placed by the
+ * subroutine.  arg1 may be zero, in which case the 
+ * subroutine will call malloc to get the required space.
+ * arg2 is the length of the buffer space for the path-name.
+ * If the actual path-name is longer than (arg2-2), or if
+ * the value of arg2 is not at least 3, the subroutine will
+ * return a value of zero, with errno set as appropriate.
+ */
+
+#include <stdio.h>
+#include <sys/errno.h>
+
+extern FILE *popen();
+extern char *malloc(), *fgets(), *strchr();
+extern int errno, pclose();
+
+char *
+getcwd(arg1, arg2)
+char	*arg1;
+int	arg2;
+{
+	FILE	*pipe;
+	char	*trm;
+
+	if(arg2 <= 0) {
+		errno = EINVAL;
+		return(0);
+	}
+	if(arg1 == 0)
+		if((arg1 = malloc((unsigned)arg2)) == 0) {
+			errno = ENOMEM;
+			return(0);
+		}
+	errno = 0;
+	if((pipe = popen("pwd", "r")) == 0)
+		return(0);
+	(void) fgets(arg1, arg2, pipe);
+	(void) pclose(pipe);
+	trm = strchr(arg1, '\0');
+	if(*(trm-1) != '\n') {
+		errno = ERANGE;
+		return(0);
+	}
+	*(trm-1) = '\0';
+	return(arg1);
+}