Initial commit

test.c

@@ -0,0 +1,61 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+#ifdef DEBUG
+#define malloc(n) (printf("%s:%d:%s: malloc(%ld)\n",\
+            __FILE__, __LINE__, __func__, (n)), malloc((n)));
+#define free(p)   (printf("%s:%d:%s: free(%p)\n",\
+            __FILE__, __LINE__, __func__, (p)), free((p)));
+#endif // DEBUG
+
+#define ARENA_MIN_CAPACITY 400
+#define ARENA_IMPLEMENTATION
+#include "arena.h"
+
+void arena_print(Arena arena)
+{
+    int i = 0;
+    for (Arena_Region *cur = arena.head; cur != NULL; cur = cur->next) {
+        printf("Arena_Region #%d:\n", ++i);
+        printf("    count    = %ld\n", cur->count);
+        printf("    capacity = %ld\n", cur->capacity);
+        printf("    next     = %p\n", cur->next);
+        printf("    data     = %p\n", cur->data);
+    }
+}
+
+int main(void)
+{
+    Arena a = {0};
+
+    printf("------ small alloc ------\n");
+
+    arena_alloc(&a, 100);
+    arena_alloc(&a, 100);
+    arena_alloc(&a, 100);
+    arena_alloc(&a, 100);
+    arena_print(a);
+
+    printf("\n=========================================================\n\n");
+    printf("------ big alloc ------\n");
+
+    arena_alloc(&a, 8000);
+    arena_print(a);
+
+    printf("\n=========================================================\n\n");
+    printf("------ reset ------\n");
+
+    arena_reset(&a);
+    arena_print(a);
+
+    printf("\n=========================================================\n\n");
+    printf("------ allocs after reset ------\n");
+
+    arena_alloc(&a, 300);
+    arena_alloc(&a, 400);
+    arena_alloc(&a, 9000);
+    arena_print(a);
+
+    arena_free(&a);
+    return 0;
+}