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authorBill Hoffman <bill.hoffman@kitware.com>2006-05-06 01:45:26 (GMT)
committerBill Hoffman <bill.hoffman@kitware.com>2006-05-06 01:45:26 (GMT)
commit51a84aaa57b59c3068df395ce036cafa7b8dc414 (patch)
treeac8b3c4118d932ee6e8dbc6d10d07148e8d6eb8f /Source/cmCommandArgumentParserHelper.cxx
parentbc135b7fc219187b5154e13f3606b64759f269fc (diff)
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ENH: handle empty variables
Diffstat (limited to 'Source/cmCommandArgumentParserHelper.cxx')
-rw-r--r--Source/cmCommandArgumentParserHelper.cxx4
1 files changed, 4 insertions, 0 deletions
diff --git a/Source/cmCommandArgumentParserHelper.cxx b/Source/cmCommandArgumentParserHelper.cxx
index f24cab6..570cc2d 100644
--- a/Source/cmCommandArgumentParserHelper.cxx
+++ b/Source/cmCommandArgumentParserHelper.cxx
@@ -91,6 +91,10 @@ char* cmCommandArgumentParserHelper::ExpandSpecialVariable(const char* key, cons
char* cmCommandArgumentParserHelper::ExpandVariable(const char* var)
{
+ if(!var)
+ {
+ return 0;
+ }
if(this->FileName && strcmp(var, "CMAKE_CURRENT_LIST_FILE") == 0)
{
return this->AddString(this->FileName);