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-rw-r--r--ext/ODBM_File/ODBM_File.xs6
1 files changed, 5 insertions, 1 deletions
diff --git a/ext/ODBM_File/ODBM_File.xs b/ext/ODBM_File/ODBM_File.xs
index b57e560bd3..53d1930c54 100644
--- a/ext/ODBM_File/ODBM_File.xs
+++ b/ext/ODBM_File/ODBM_File.xs
@@ -3,7 +3,7 @@
#include "XSUB.h"
#ifdef NULL
-#undef NULL
+#undef NULL /* XXX Why? */
#endif
#ifdef I_DBM
# include <dbm.h>
@@ -46,6 +46,10 @@ static int dbmrefcnt;
MODULE = ODBM_File PACKAGE = ODBM_File PREFIX = odbm_
+#ifndef NULL
+# define NULL 0
+#endif
+
ODBM_File
odbm_TIEHASH(dbtype, filename, flags, mode)
char * dbtype