initial import of NetBSD tree

1 files changed, 79 insertions, 0 deletions

diff --git a/usr.bin/printenv/printenv.c b/usr.bin/printenv/printenv.c
new file mode 100644
index 00000000000..139c83df166
--- /dev/null
+++ b/usr.bin/printenv/printenv.c
@@ -0,0 +1,79 @@
+/*
+ * Copyright (c) 1987 Regents of the University of California.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef lint
+char copyright[] =
+"@(#) Copyright (c) 1987 Regents of the University of California.\n\
+ All rights reserved.\n";
+#endif /* not lint */
+
+#ifndef lint
+/*static char sccsid[] = "from: @(#)printenv.c	5.4 (Berkeley) 6/1/90";*/
+static char rcsid[] = "$Id: printenv.c,v 1.1 1995/10/18 08:45:57 deraadt Exp $";
+#endif /* not lint */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+
+/*
+ * printenv
+ *
+ * Bill Joy, UCB
+ * February, 1979
+ */
+int
+main(argc, argv)
+	int argc;
+	char **argv;
+{
+	extern char **environ;
+	register char *cp, **ep;
+	register int len;
+
+	if (argc < 2) {
+		for (ep = environ; *ep; ep++)
+			puts(*ep);
+		exit(0);
+	}
+	len = strlen(*++argv);
+	for (ep = environ; *ep; ep++)
+		if (!strncmp(*ep, *argv, len)) {
+			cp = *ep + len;
+			if (!*cp || *cp == '=') {
+				puts(*cp ? cp + 1 : cp);
+				exit(0);
+			}
+		}
+	exit(1);
+}