Deal with empty path element in LD_LIBRARY_PATH.

o Don't try and look up an empty element in the hints file
o Convert "" to "." when adding to the list of search dirs
Perviously, an LD_LIBRARY_PATH that ended in ':' was ignored.

1 files changed, 7 insertions, 5 deletions

diff --git a/gnu/usr.bin/ld/rtld/rtld.c b/gnu/usr.bin/ld/rtld/rtld.c
index 308a12d7345..40cb78cc220 100644
--- a/gnu/usr.bin/ld/rtld/rtld.c
+++ b/gnu/usr.bin/ld/rtld/rtld.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: rtld.c,v 1.15 2000/01/11 22:27:07 millert Exp $	*/
+/*	$OpenBSD: rtld.c,v 1.16 2000/02/03 17:19:07 millert Exp $	*/
 /*	$NetBSD: rtld.c,v 1.43 1996/01/14 00:35:17 pk Exp $	*/
 /*
  * Copyright (c) 1993 Paul Kranenburg
@@ -1309,10 +1309,12 @@ rtfindlib(name, major, minor, usehints, ipath)
 				    ipath ? ipath : "");
 
 		while ((cp = strsep(&dp, ":")) != NULL) {
-			cp = findhint(name, major, minor, cp);
-			if (cp) {
-				free(lpath);
-				return cp;
+			if (*cp) {
+				cp = findhint(name, major, minor, cp);
+				if (cp) {
+					free(lpath);
+					return cp;
+				}
 			}
 		}
 		free(lpath);