Fixes and improvements

* Fix heap corruption on buffer growth.
* Define as static functions that are not used outside a TU.
* Other minor changes.

1 files changed, 9 insertions, 5 deletions

diff --git a/src/vector.h b/src/vector.h
index 0a7c297..8df3af1 100644
--- a/src/vector.h
+++ b/src/vector.h
@@ -1,17 +1,21 @@
 #ifndef UNJA_VECTOR_H
 #define UNJA_VECTOR_H
 
-#include <stdlib.h>
+#include <sys/types.h>
+
+#ifndef VECTOR_GROW_RATE
+#define VECTOR_GROW_RATE 2
+#endif
 
 struct vector {
     void **values;
-    int size;
-    int cap;
+    size_t size;
+    size_t cap;
 };
 
-struct vector* vector_new(int cap);
+struct vector *vector_new(size_t cap);
 
-int vector_push(struct vector *vec, void *value);
+size_t vector_push(struct vector *vec, void *value);
 
 void vector_free(struct vector *vec);