diff -ru orig/glibc-bsd-glue/fgetln.c my/glibc-bsd-glue/fgetln.c
--- orig/glibc-bsd-glue/fgetln.c	2004-08-26 22:05:33.000000000 +0200
+++ my/glibc-bsd-glue/fgetln.c	2008-09-16 23:51:38.603922530 +0200
@@ -1,13 +1,16 @@
 #include "bsdcompat.h"
+#include <stdlib.h>
 
 char *
 fgetln (FILE *stream, size_t *len)
 {
 	char *line=NULL;
+	ssize_t slen;
 
-	getline (&line, len, stream);
+	*len = slen = getline (&line, len, stream);
+
+	if (slen < 0)
+		return NULL;
 
-	(*len)--; /* get rid of the trailing \0, fgetln
-	does not have it */
 	return line;
 }
Only in my/glibc-bsd-glue: fgetln.c~