From: On behalf of John Marshall <lh3@sanger.ac.uk>
Date: Fri, 4 Sep 2009 16:46:25 +0000 (+0000)
Subject: Return NULL from _razf_open() (and hence razf_open()/razf_open2())
X-Git-Url: https://git.donarmstrong.com/?a=commitdiff_plain;h=a871942229ef1770da3edec7e1b57194456f4f5d;p=samtools.git

Return NULL from _razf_open() (and hence razf_open()/razf_open2())
when opening the file fails.
---

diff --git a/razf.c b/razf.c
index a5e8f51..ea4e37d 100644
--- a/razf.c
+++ b/razf.c
@@ -409,6 +409,7 @@ static inline RAZF* _razf_open(const char *filename, const char *mode, int _load
 #else
 		fd = open(filename, O_RDONLY);
 #endif
+		if(fd < 0) return NULL;
 		rz = razf_open_r(fd, _load_index);
 	} else if(strstr(mode, "w")){
 #ifdef _WIN32
@@ -416,6 +417,7 @@ static inline RAZF* _razf_open(const char *filename, const char *mode, int _load
 #else
 		fd = open(filename, O_WRONLY | O_CREAT | O_TRUNC, 0644);
 #endif
+		if(fd < 0) return NULL;
 		rz = razf_open_w(fd);
 	} else return NULL;
 	return rz;