From: Hallvard Furuseth <hallvard@openldap.org>
Date: Mon, 2 Dec 2002 21:46:58 +0000 (+0000)
Subject: ldif_fetch_url() would return NULL value or pointless memory if file was empty
X-Git-Tag: NO_SLAP_OP_BLOCKS~741
X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=2dcf00b82f8ee480a1d35b7139dfc9bc9eb095c9;p=openldap

ldif_fetch_url() would return NULL value or pointless memory if file was empty
---

diff --git a/libraries/libldif/fetch.c b/libraries/libldif/fetch.c
index a9b0cafa95..545253e808 100644
--- a/libraries/libldif/fetch.c
+++ b/libraries/libldif/fetch.c
@@ -87,6 +87,15 @@ ldif_fetch_url(
 
 	fclose( url );
 
+	if( total == 0 ) {
+		char *newp = ber_memrealloc( p, 1 );
+		if( newp == NULL ) {
+			ber_memfree( p );
+			return -1;
+		}
+		p = newp;
+	}
+
 	*valuep = p;
 	*vlenp = total;