From 5eddc12ca841772beab6f125d45aaa4873059c09 Mon Sep 17 00:00:00 2001
From: Thorsten Lockert <tholo@cvs.openbsd.org>
Date: Fri, 21 Jun 1996 04:48:13 +0000
Subject: Accept a NULL buffer to tgetent(3)

---
 lib/libterm/termcap.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

(limited to 'lib/libterm/termcap.c')

diff --git a/lib/libterm/termcap.c b/lib/libterm/termcap.c
index 2109744f990..2eb5d31cdd9 100644
--- a/lib/libterm/termcap.c
+++ b/lib/libterm/termcap.c
@@ -139,16 +139,18 @@ tgetent(bp, name)
 	dummy = NULL;
 	i = cgetent(&dummy, pathvec, name);      
 	
-	if (i == 0) {
+	if (i == 0 && bp != NULL) {
 		strncpy(bp, dummy, 1023);
 		bp[1023] = '\0';
 		if ((cp = strrchr(bp, ':')) != NULL)
 			if (cp[1] != '\0')
 				cp[1] = '\0';
 	}
-	
-	if (dummy)
+	else if (i == 0 && bp == NULL)
+		tbuf = dummy;
+	else if (dummy != NULL)
 		free(dummy);
+
 	/* no tc reference loop return code in libterm XXX */
 	if (i == -3)
 		return (-1);
-- 
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