From: Magnus Hagander <magnus@hagander.net>
Date: Mon, 24 Oct 2016 18:10:18 +0000 (+0200)
Subject: Use ssize_t where signed results can happen
X-Git-Tag: REL_10_BETA1~1514
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=2dde01ccbfb4c53c7edd28a6836ba47303fea0ba;p=postgresql

Use ssize_t where signed results can happen

Noted by Alexander Korotkov
---

diff --git a/src/bin/pg_basebackup/walmethods.c b/src/bin/pg_basebackup/walmethods.c
index d1dc046c97..b0b3d435c3 100644
--- a/src/bin/pg_basebackup/walmethods.c
+++ b/src/bin/pg_basebackup/walmethods.c
@@ -432,7 +432,7 @@ tar_write_padding_data(TarMethodFile * f, size_t bytes)
 	{
 		size_t		bytestowrite = bytesleft > XLOG_BLCKSZ ? XLOG_BLCKSZ : bytesleft;
 
-		size_t		r = tar_write(f, zerobuf, bytestowrite);
+		ssize_t		r = tar_write(f, zerobuf, bytestowrite);
 
 		if (r < 0)
 			return false;