From: Howard Chu <hyc@openldap.org>
Date: Tue, 20 May 2003 04:08:35 +0000 (+0000)
Subject: ber_get_next - set errno to 0 before calling ber_int_sb_read(), otherwise
X-Git-Tag: OPENLDAP_REL_ENG_2_2_0ALPHA~103
X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=3d9fd176782a0cb34ed8e82d71328f63fd2a1130;p=openldap

ber_get_next - set errno to 0 before calling ber_int_sb_read(), otherwise
an EOF will return with the previously set errno value.
---

diff --git a/libraries/liblber/io.c b/libraries/liblber/io.c
index 2f60e27ca8..2aab7d0040 100644
--- a/libraries/liblber/io.c
+++ b/libraries/liblber/io.c
@@ -515,6 +515,7 @@ ber_get_next(
 		char buf[sizeof(ber->ber_len)-1];
 		ber_len_t tlen = 0;
 
+		errno = 0;
 		sblen=ber_int_sb_read( sb, ber->ber_rwptr,
 			((char *)&ber->ber_len + LENSIZE*2 - 1)-ber->ber_rwptr);
 		if (sblen<=0) return LBER_DEFAULT;
@@ -655,6 +656,7 @@ ber_get_next(
 		to_go = ber->ber_end - ber->ber_rwptr;
 		assert( to_go > 0 );
 		
+		errno = 0;
 		res = ber_int_sb_read( sb, ber->ber_rwptr, to_go );
 		if (res<=0) return LBER_DEFAULT;
 		ber->ber_rwptr+=res;