From: Ian Jackson <ian@liberator.relativity.greenend.org.uk>
Date: Fri, 14 Aug 2009 19:09:57 +0000 (+0100)
Subject: Handle opening errors in gzopen properly
X-Git-Tag: 3.1^0
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~yarrgweb/git?p=ypp-sc-tools.main.git;a=commitdiff_plain;h=89ac616c0df890ff63e6b7db5ae2a3c084e2f2c1

Handle opening errors in gzopen properly
---

diff --git a/yarrg/common.c b/yarrg/common.c
index f95e585..cc33235 100644
--- a/yarrg/common.c
+++ b/yarrg/common.c
@@ -122,7 +122,7 @@ int gzopen(const char *zpath, int oflags, FILE **f_r, pid_t *pid_r,
 	   const char *gziplevel /* 0 for read; may be 0, or "-1" etc. */) {
 
   int zfd= open(zpath, oflags, 0666);
-  if (!zfd) return errno;
+  if (zfd<0) return errno;
 
   int pipefds[2];
   sysassert(! pipe(pipefds) );