Fix segfault when using the 'set' command with no arguments

darcs-hash:20060502162830-ac50b-d3ab63c29a6daeaa62803923b060ec69942911f8.gz

1 files changed, 3 insertions, 1 deletions

diff --git a/common.h b/common.h
index 60bcb878..cb7e9d0a 100644
--- a/common.h
+++ b/common.h
@@ -181,9 +181,11 @@ void error_reset();
 const wchar_t *wsetlocale( int category, const wchar_t *locale );
 
 /**
-   Checks if \c needle is included in the list of strings specified
+   Checks if \c needle is included in the list of strings specified. A warning is printed if needle is zero.
 
    \param needle the string to search for in the list 
+
+   \return zero is needle is not found, of if needle is null, non-zero otherwise
 */
 int contains_str( const wchar_t *needle, ... );