From 98280238383dc390207827d09dc92e0459229134 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Juan=20Manuel=20Tom=C3=A1s?= <jtomas1815@gmail.com>
Date: Sun, 24 May 2020 05:35:00 -0300
Subject: Rewrite in c++

---
 page.c | 93 ------------------------------------------------------------------
 1 file changed, 93 deletions(-)
 delete mode 100644 page.c

(limited to 'page.c')

diff --git a/page.c b/page.c
deleted file mode 100644
index dd3d29a..0000000
--- a/page.c
+++ /dev/null
@@ -1,93 +0,0 @@
-#include <stdint.h>
-#include <string.h>
-#include <stdlib.h>
-#include <assert.h>
-
-#ifndef PAGE_SIZE
-#define PAGE_SIZE 4096
-#endif
-
-struct page {
-	uint8_t *elements;
-	struct page *next;
-	struct page *prev;
-	uint16_t gap_start;
-	uint16_t gap_end;
-	uint16_t element_count;
-};
-
-struct page *new_page() {
-	struct page *result = malloc(sizeof(struct page));
-	result->elements = malloc(PAGE_SIZE);
-	result->gap_start = 0;
-	result->gap_end = PAGE_SIZE;
-	result->next = 0;
-	result->prev = 0;
-	return result;
-}
-
-void split_page(struct page *back) {
-	struct page *front = new_page();
-
-	memcpy(front->elements, back->elements + PAGE_SIZE / 2, PAGE_SIZE / 2);
-
-	front->gap_start = PAGE_SIZE / 2;
-	front->gap_end = PAGE_SIZE;
-	front->element_count = PAGE_SIZE / 2;
-
-	back->gap_start = PAGE_SIZE / 2;
-	back->gap_end = PAGE_SIZE;
-	back->element_count = PAGE_SIZE / 2;
-
-	if (back->next) {
-		back->next->prev = front;
-	}
-	front->next = back->next;
-	front->prev = back;
-	back->next = front;
-}
-
-void copy_page(struct page *dest, struct page *src) {
-	memcpy(dest->elements, src->elements, PAGE_SIZE);
-	dest->gap_start = src->gap_start;
-	dest->gap_end = src->gap_end;
-	dest->element_count = src->element_count;
-}
-
-void free_page(struct page *page) {
-	if (page->prev) {
-		page->prev->next = page->next;
-	}
-	if (page->next) {
-		page->next->prev = page->prev;
-	}
-	free(page->elements);
-	free(page);
-}
-
-void move_gap_forward(struct page *page) {
-	assert(page->gap_end < PAGE_SIZE);
-	page->elements[page->gap_start] = page->elements[page->gap_end];
-	page->gap_start++;
-	page->gap_end++;
-}
-
-void move_gap_backward(struct page *page) {
-	assert(page->gap_start > 0);
-	page->gap_end--;
-	page->gap_start--;
-	page->elements[page->gap_end] = page->elements[page->gap_start];
-}
-
-void insert_at_gap(struct page *page, uint8_t c) {
-	assert(page->element_count < PAGE_SIZE);
-	page->elements[page->gap_start] = c;
-	page->gap_start++;
-	page->element_count++;
-}
-
-void delete_at_gap(struct page *page) {
-	assert(page->gap_start > 0);
-	page->gap_start--;
-	page->element_count--;
-}
-- 
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