1 files changed, 9 insertions, 7 deletions

diff --git a/allocator.h b/allocator.h
index 3cff385..fc28833 100644
--- a/allocator.h
+++ b/allocator.h
@@ -1,20 +1,22 @@
 #ifndef ITS1_ALLOCATOR_H_INCLUDED
 #define ITS1_ALLOCATOR_H_INCLUDED
 
+#include <stddef.h> /* size_t */
+
 struct its1_allocator {
-        void    *(*allocate)(struct its1_allocator *allocator, size_t n);
-        void     (*deallocate)(struct its1_allocator *allocator, void *ptr);
+        void *(*allocate)(struct its1_allocator *allocator, size_t n);
+        void (*deallocate)(struct its1_allocator *allocator, void *ptr);
 };
 
 extern struct its1_allocator its1_default_allocator;
 
 /* allocator interface */
-void    *its1_malloc(struct its1_allocator *allocator, size_t n);
-void     its1_free(struct its1_allocator *allocator, void *ptr);
+void *its1_malloc(struct its1_allocator *allocator, size_t n);
+void  its1_free(struct its1_allocator *allocator, void *ptr);
 
 /* helper functions */
-char    *its1_strdup(struct its1_allocator *allocator, const char *str);
-void    *its1_malloc_zero(struct its1_allocator *allocator, size_t n);
+char *its1_strdup(struct its1_allocator *allocator, const char *str);
+void *its1_malloc_zero(struct its1_allocator *allocator, size_t n);
 
 #define ALLOCATE(n) \
         its1_malloc(&its1_default_allocator, (n))
@@ -25,7 +27,7 @@ void	*its1_malloc_zero(struct its1_allocator *allocator, size_t n);
 #define FREE(ptr) \
         (its1_free(&its1_default_allocator, (ptr)), (ptr) = NULL)
 
-#define  NEW(ptr) ((ptr) = ALLOCATE(sizeof *(ptr)))
+#define NEW(ptr) ((ptr) = ALLOCATE(sizeof *(ptr)))
 #define NEW0(ptr) ((ptr) = ALLOCATE_ZERO(sizeof *(ptr)))
 
 #endif