From f00e51d1f2ea01c33d5548b79a86c44036b90aae Mon Sep 17 00:00:00 2001
From: Darren Tucker <dtucker@zip.com.au>
Date: Sun, 29 Aug 2004 16:12:29 +1000
Subject:  - (dtucker) [openbsd-compat/getrrsetbyname.c] Prevent getrrsetbyname
 from    failing with NOMEMORY if no sigs are returned and malloc(0) returns
 NULL.    From Martin.Kraemer at Fujitsu-Siemens.com; ok djm@

---
 openbsd-compat/getrrsetbyname.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'openbsd-compat/getrrsetbyname.c')

diff --git a/openbsd-compat/getrrsetbyname.c b/openbsd-compat/getrrsetbyname.c
index 660427c1f..4e869c4df 100644
--- a/openbsd-compat/getrrsetbyname.c
+++ b/openbsd-compat/getrrsetbyname.c
@@ -277,7 +277,7 @@ getrrsetbyname(const char *hostname, unsigned int rdclass,
 
 	/* allocate memory for signatures */
 	rrset->rri_sigs = calloc(rrset->rri_nsigs, sizeof(struct rdatainfo));
-	if (rrset->rri_sigs == NULL) {
+	if (rrset->rri_nsigs > 0 && rrset->rri_sigs == NULL) {
 		result = ERRSET_NOMEMORY;
 		goto fail;
 	}
-- 
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