From d2a06893015a9e2845f9278af9e2ba15f9b37d9d Mon Sep 17 00:00:00 2001
From: Jan Breuer <jan.breuer@jaybee.cz>
Date: 周一, 31 8月 2015 17:35:32 +0800
Subject: [PATCH] Fix #44: incorrect handling of empty string

---
 examples/common/scpi-def.cpp |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/examples/common/scpi-def.cpp b/examples/common/scpi-def.cpp
index d3b737c..c69af2e 100644
--- a/examples/common/scpi-def.cpp
+++ b/examples/common/scpi-def.cpp
@@ -167,8 +167,9 @@
     char buffer[100];
     size_t copy_len;
 
-    SCPI_ParamCopyText(context, buffer, sizeof(buffer), &copy_len, false);
-    buffer[copy_len] = '\0';
+    if(!SCPI_ParamCopyText(context, buffer, sizeof(buffer), &copy_len, false)) {
+        buffer[0] = '\0';
+    }
 
     fprintf(stderr, "TEXT: ***%s***\r\n", buffer);
 

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