From cd27645cc2b9cbefa38f1fad7f4f2c64f4f3d84a Mon Sep 17 00:00:00 2001
From: Jean-Francois Dockes <jfd@recoll.org>
Date: Tue, 20 Sep 2011 07:37:28 +0200
Subject: [PATCH] Avoid fwrite failure while trying to write empty missing
 helpers string

---
 src/common/rclconfig.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/common/rclconfig.cpp b/src/common/rclconfig.cpp
index a91bec3b..db5ab82a 100644
--- a/src/common/rclconfig.cpp
+++ b/src/common/rclconfig.cpp
@@ -590,7 +590,7 @@ void RclConfig::storeMissingHelperDesc(const string &s)
     string fmiss = path_cat(getConfDir(), "missing");
     FILE *fp = fopen(fmiss.c_str(), "w");
     if (fp) {
-	if (fwrite(s.c_str(), s.size(), 1, fp) != 1) {
+	if (s.size() > 0 && fwrite(s.c_str(), s.size(), 1, fp) != 1) {
             LOGERR(("storeMissingHelperDesc: fwrite failed\n"));
         }
 	fclose(fp);