From efa611caf2d45851a42274a922bc8a8f82ae0a19 Mon Sep 17 00:00:00 2001
From: Tavmjong Bah <tavmjong@free.fr>
Date: Thu, 31 May 2018 14:25:13 +0200
Subject: Prevent seg fault if value is null.

---
 src/object/sp-tspan.cpp | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'src/object/sp-tspan.cpp')

diff --git a/src/object/sp-tspan.cpp b/src/object/sp-tspan.cpp
index 9aee85d39..175e5da3f 100644
--- a/src/object/sp-tspan.cpp
+++ b/src/object/sp-tspan.cpp
@@ -283,6 +283,7 @@ void SPTextPath::release() {
 }
 
 void SPTextPath::set(unsigned int key, const gchar* value) {
+
     if (this->attributes.readSingleAttribute(key, value, style, &viewport)) {
         this->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG);
     } else {
@@ -291,6 +292,10 @@ void SPTextPath::set(unsigned int key, const gchar* value) {
                 this->sourcePath->link((char*)value);
                 break;
             case SP_ATTR_SIDE:
+                if (!value) {
+                    return;
+                }
+
                 if      (strncmp(value, "left",  4) == 0)
                     side = SP_TEXT_PATH_SIDE_LEFT;
                 else if (strncmp(value, "right", 5) == 0)
-- 
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