From: Rich Felker <dalias@aerifal.cx>
Date: Mon, 19 Sep 2022 23:12:09 +0000 (-0400)
Subject: fix error cases in gethostbyaddr_r
X-Git-Url: http://nsz.repo.hu/git/?p=musl;a=commitdiff_plain;h=dc9285ad1dc19349c407072cc48ba70dab86de45

fix error cases in gethostbyaddr_r

EAI_MEMORY is not possible (but would not provide errno if it were)
and EAI_FAIL does not provide errno. treat the latter as EBADMSG to
match how it's handled in gethostbyname2_r (it indicates erroneous or
failure response from the nameserver).
---

diff --git a/src/network/gethostbyaddr_r.c b/src/network/gethostbyaddr_r.c
index 0f1e61aa..ceaf3935 100644
--- a/src/network/gethostbyaddr_r.c
+++ b/src/network/gethostbyaddr_r.c
@@ -54,9 +54,10 @@ int gethostbyaddr_r(const void *a, socklen_t l, int af,
 	case EAI_OVERFLOW:
 		return ERANGE;
 	default:
-	case EAI_MEMORY:
-	case EAI_SYSTEM:
 	case EAI_FAIL:
+		*err = NO_RECOVERY;
+		return EBADMSG;
+	case EAI_SYSTEM:
 		*err = NO_RECOVERY;
 		return errno;
 	case 0: