ensure we check errno before logging messages (#131)

git-svn-id: http://svn.osgeo.org/metacrs/proj/trunk@2130 4e78687f-474d-0410-85f9-8d5e500ac6b2

2 files changed, 7 insertions, 3 deletions

diff --git a/ChangeLog b/ChangeLog
index e34bc51c..334b64ab 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2011-12-14  Frank Warmerdam  <warmerdam@google.com>
+
+	* src/pj_open_lib.c: make sure we check errno before logging messages (#131).
+
 2011-12-13  Frank Warmerdam  <warmerdam@google.com>
 
 	* src/PJ_healpix.c, etc: added healpix support contributed by
diff --git a/src/pj_open_lib.c b/src/pj_open_lib.c
index 22c180a8..bc8c98ac 100644
--- a/src/pj_open_lib.c
+++ b/src/pj_open_lib.c
@@ -161,14 +161,14 @@ pj_open_lib(projCtx ctx, char *name, char *mode) {
             errno = 0;
     }
 
+    if( ctx->last_errno == 0 && errno != 0 )
+        pj_ctx_set_errno( ctx, errno );
+
     pj_log( ctx, PJ_LOG_DEBUG_MAJOR, 
             "pj_open_lib(%s): call fopen(%s) - %s\n",
             name, sysname,
             fid == NULL ? "failed" : "succeeded" );
 
-    if( ctx->last_errno == 0 && errno != 0 )
-        pj_ctx_set_errno( ctx, errno );
-
     return(fid);
 #else
     return NULL;