1 files changed, 92 insertions, 0 deletions
diff --git a/sys/lib/libsa/getln.c b/sys/lib/libsa/getln.c
new file mode 100644
index 00000000000..7dae1e3aeda
--- /dev/null
+++ b/sys/lib/libsa/getln.c
@@ -0,0 +1,92 @@
+/*	$OpenBSD: getln.c,v 1.1 2015/11/16 19:33:52 miod Exp $	*/
+/*	$NetBSD: gets.c,v 1.5.2.1 1995/10/13 19:54:26 pk Exp $	*/
+
+/*-
+ * Copyright (c) 1993
+ *	The 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. 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.
+ *
+ *	@(#)gets.c	8.1 (Berkeley) 6/11/93
+ */
+
+#include "stand.h"
+
+void
+getln(char *buf, size_t bufsiz)
+{
+	int c;
+	char *lp, *ep;
+
+	if (bufsiz == 0)
+		return;
+	ep = buf + bufsiz - 1;
+
+	for (lp = buf; ;)
+		switch (c = getchar() & 0177) {
+		case '\n':
+		case '\r':
+			*lp = '\0';
+			putchar('\n');
+			return;
+		case '\b':
+		case '\177':
+			if (lp > buf) {
+				lp--;
+				putchar('\b');
+				putchar(' ');
+				putchar('\b');
+			}
+			break;
+#if HASH_ERASE
+		case '#':
+			if (lp > buf)
+				--lp;
+			break;
+#endif
+		case 'r' & 037:
+		    {
+			char *p;
+
+			putchar('\n');
+			for (p = buf; p < lp; ++p)
+				putchar(*p);
+			break;
+		    }
+#if AT_ERASE
+		case '@':
+#endif
+		case 'u' & 037:
+		case 'w' & 037:
+			lp = buf;
+			putchar('\n');
+			break;
+		default:
+			if (lp != ep)
+				*lp++ = c;
+			putchar(c);
+		}
+	/*NOTREACHED*/
+}