fix arena_resize bug and fix jrk_array_foreach macro.

1 files changed, 2 insertions, 2 deletions

diff --git a/jrk.h b/jrk.h
index 9f51e48..3d586d3 100644
--- a/jrk.h
+++ b/jrk.h
@@ -255,7 +255,7 @@ typedef void *(*jrk_array_realloc_function_t) (void*, u64, u64, void*);
         return true; \
     }
 
-#define jrk_array_foreach(type, it, arr) for (type *it = (arr)->items; it < (arr)->items + (arr)->count; ++it)
+#define jrk_array_foreach(type, it, arr) for (type *it = (arr)->items; it < (arr)->items + (arr)->size; ++it)
 
 jrk_array_prototype(char);
 #define jrk_StringBuilder jrk_Array_char
@@ -536,7 +536,7 @@ jrk_arena_resize(jrk_Arena *arena, void *old, u64 old_size, u64 new_size)
     if (old == &arena->data[arena->prev_offset]) {
         result = old;
         arena->prev_offset = arena->offset;
-        arena->offset = new_size;
+        arena->offset += new_size;
         memset(&arena->data[arena->prev_offset], 0, new_size - old_size);
     } else {
         result = &arena->data[arena->offset];