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| author | Bill Hoffman <bill.hoffman@kitware.com> | 2006-03-24 21:13:05 (GMT) |
|---|---|---|
| committer | Bill Hoffman <bill.hoffman@kitware.com> | 2006-03-24 21:13:05 (GMT) |
| commit | a0471c3fe2e959728a5fd75fb3583e1c8b55ec44 (patch) | |
| tree | 2b0ef2172be66210a00fffed50dfbbdb5ff7866a /Source/cmListCommand.cxx | |
| parent | ca5647c92c7500f64d54f65bf6deeb20cec9cbf6 (diff) | |
| download | CMake-a0471c3fe2e959728a5fd75fb3583e1c8b55ec44.zip CMake-a0471c3fe2e959728a5fd75fb3583e1c8b55ec44.tar.gz CMake-a0471c3fe2e959728a5fd75fb3583e1c8b55ec44.tar.bz2 | |
ENH: allow unset vars to be used in list length
Diffstat (limited to 'Source/cmListCommand.cxx')
| -rw-r--r-- | Source/cmListCommand.cxx | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/Source/cmListCommand.cxx b/Source/cmListCommand.cxx index 6c0b595..a41b5e8 100644 --- a/Source/cmListCommand.cxx +++ b/Source/cmListCommand.cxx @@ -106,11 +106,10 @@ bool cmListCommand::HandleLengthCommand(std::vector<std::string> const& args) const std::string& listName = args[1]; const std::string& variableName = args[args.size() - 1]; std::vector<std::string> varArgsExpanded; - if ( !this->GetList(varArgsExpanded, listName.c_str()) ) - { - return false; - } - + // do not check the return value here + // if the list var is not found varArgsExpanded will have size 0 + // and we will return 0 + this->GetList(varArgsExpanded, listName.c_str()); size_t length = varArgsExpanded.size(); char buffer[1024]; sprintf(buffer, "%d", static_cast<int>(length)); |