fix(json): Reduce memory usage and fix memory bugs

1 files changed, 9 insertions, 8 deletions

diff --git a/vec.c b/vec.c
index e91147e..3dfbf31 100644
--- a/vec.c
+++ b/vec.c
@@ -4,14 +4,14 @@
 #include "types.h"
 #include "vec.h"
 
-Vec *_Vec_new(Arena *a, size tsize, size cap, size align) {
+Vec _Vec_new(Arena *a, size tsize, size cap, size align) {
     assert(cap > 0);
-    Vec *v = new(a, Vec, 1);
-    v->tsize = tsize;
-    v->cap = cap;
-    v->align = align;
-    v->len = 0;
-    v->data = alloc(a, cap, tsize, align);
+    Vec v = {0};
+    v.tsize = tsize;
+    v.cap = cap;
+    v.align = align;
+    v.len = 0;
+    v.data = alloc(a, cap, tsize, align);
     return v;
 }
 
@@ -20,9 +20,10 @@ void Vec_push(Arena *a, Vec *v, void *data) {
         void *cpy = alloc(a, v->cap * 2, v->tsize, v->align);
         memcpy(cpy, v->data, v->len * v->tsize);
         v->cap *= 2;
+        v->data = cpy;
     }
     memcpy(v->data + v->len * v->tsize, data, v->tsize);
     v->len++;
 }
 
-void *_Vec_get(Vec *v, size pos) { return v->data + v->tsize * pos; }
+void *_Vec_get(Vec v, size pos) { return v.data + v.tsize * pos; }