heap push

heap.c

@@ -1,28 +1,45 @@
 #include "heap.h"
 #include "status_codes.h"
 
+// #unteasted
 int heap_push(heap* h, heap_record* in)
 {
     if (h->length >= h->capacity) {
         return NO_SPACE;
     }
 
-    int index = h->length;
+    int current_index = h->length;
     h->length++;
     heap_record* last = h->location;
-    last += index;
+    last += current_index;
     *last = *in;
 
-    if (index == 0) {
+    if (current_index == 0) {
         return SUCCESS;
     }
 
+    int parent_index = (current_index - 1) / 2;
     // check if violated heap property
     heap_record* parent = h->location;
-    parent += ((index - 1) / 2);
+    parent += parent_index;
-    while (parent->g > last->g) {
+    heap_record* current = h->location;
-        // just swap them, and check again?
+    current += current_index;
-    }
     // swim up
+    while (current_index != 0 && h->compare(parent, current) == 1) {
+        // current, parent = parent, current
+        heap_record tmp = *current;
+        *current = *parent;
+        *parent = tmp;
+        // current_index = parent_index
+        current_index = parent_index;
+        // parent_index = (current_index -1 )/2
+        parent_index = (current_index - 1) / 2;
+        // current = loc[current_index]
+        current = h->location;
+        current += current_index;
+        // parent = loc[parent_index]
+        parent = h->location;
+        parent_index += parent_index;
+    }
     return SUCCESS;
 }

heap.h

@@ -1,13 +1,10 @@
 #pragma once
 
-#include "record.h"
 #include "stdbool.h"
 
 typedef struct {
-    record* location;
+    int index;
-    int g;
     int buffer_id;
-    bool is_blank;
 } heap_record;
 
 // almost the same as typedef buffer, but the usage is different, so I think it can be repeated
@@ -15,6 +12,7 @@ typedef struct {
     heap_record* location;
     int length;
     int capacity;
+    int (*compare)(const void* a, const void* b);
 } heap;
 
 heap new_heap(int size);