Add support for zero element arrays

darcs-hash:20050926144703-ac50b-3ed14d14b02908862d69aec08aab35b6d0188bba.gz

1 files changed, 6 insertions, 0 deletions

diff --git a/env.h b/env.h
index 36416281..69dc94bf 100644
--- a/env.h
+++ b/env.h
@@ -69,6 +69,12 @@ void env_set( const wchar_t *key,
 wchar_t *env_get( const wchar_t *key );
 
 /**
+   Returns 1 if the specified key exists. This can't be reliable done
+   using env_get, since env_get returns null for 0-element arrays
+*/
+int env_exist( const wchar_t *key );
+
+/**
    Remove environemnt variable
    
    \param key The name of the variable to remove