Use . as CDPATH if CDPATH is zero length

darcs-hash:20051213201036-ac50b-7567b40f37b409a1bc0ec7b1dc83724057e7e5d2.gz

1 files changed, 12 insertions, 8 deletions

diff --git a/parser.c b/parser.c
index b7c87012..3f861c34 100644
--- a/parser.c
+++ b/parser.c
@@ -523,19 +523,23 @@ wchar_t *parser_cdpath_get( wchar_t *dir )
 	}
 	else
 	{
-		wchar_t *path = env_get(L"CDPATH");
+		wchar_t *path;
+		wchar_t *path_cpy;
+		wchar_t *nxt_path;
+		wchar_t *state;
+		wchar_t *whole_path;
 
-		if( path == 0 )
+		path = env_get(L"CDPATH");
+
+		if( !path || !wcslen(path) )
 		{
 			path = L".";
 		}
 
-		wchar_t *path_cpy = wcsdup( path );
-		wchar_t *nxt_path = path;
-		wchar_t *state;
-		wchar_t *whole_path;
-
-		if( (path_cpy==0) )
+		nxt_path = path;
+		path_cpy = wcsdup( path );
+		
+		if( !path_cpy )
 		{
 			die_mem();			
 		}