From f931be4f06ed62465a0c2c09f56dbc2cf6a7170a Mon Sep 17 00:00:00 2001
From: =?utf8?q?David=20=E2=80=98Bombe=E2=80=99=20Roden?=
 <bombe@pterodactylus.net>
Date: Fri, 4 Jul 2008 22:00:21 +0200
Subject: [PATCH] add ED2KLink class

---
 ED2KLink.cpp | 46 ++++++++++++++++++++++++++++++++++++++++++++++
 ED2KLink.h   | 24 ++++++++++++++++++++++++
 2 files changed, 70 insertions(+)
 create mode 100644 ED2KLink.cpp
 create mode 100644 ED2KLink.h

diff --git a/ED2KLink.cpp b/ED2KLink.cpp
new file mode 100644
index 0000000..cd26940
--- /dev/null
+++ b/ED2KLink.cpp
@@ -0,0 +1,46 @@
+/**
+ * © 2008 by David ‘Bombe’ Roden <bombe@pterodactylus.net>
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "ED2KLink.h"
+
+static int getDigits(size_t number) {
+	int digits = 0;
+	do {
+		number /= 10;
+		digits++;
+	} while (number);
+	return digits;
+}
+
+ED2KLink::ED2KLink(const char* filename, const size_t size, const void* hash) {
+	this->filename = (char*) malloc(strlen(filename));
+	this->hash = malloc(16);
+
+	strcpy(this->filename, filename);
+	memcpy(this->hash, hash, 16);
+	this->size = size;
+
+	this->link = (char*) calloc(13 + (strlen(filename) + 1) + 1 + getDigits(size) + 1 + 32 + 2, 1);
+	sprintf(this->link, "ed2k://|file|%s|%u|", filename, size);
+	for (int i = 0; i < 16; i++) {
+		sprintf(this->link + strlen(this->link), "%02x", *((int*) this->hash + i));
+	}
+	sprintf(this->link + strlen(this->link), "|/");
+}
+
+ED2KLink::~ED2KLink() {
+	if (link) {
+		free(link);
+	}
+	if (filename) {
+		free(filename);
+	}
+	if (hash) {
+		free(hash);
+	}
+}
+
diff --git a/ED2KLink.h b/ED2KLink.h
new file mode 100644
index 0000000..465478f
--- /dev/null
+++ b/ED2KLink.h
@@ -0,0 +1,24 @@
+/**
+ * © 2008 by David ‘Bombe’ Roden <bombe@pterodactylus.net>
+ */
+
+#pragma once
+
+class ED2KLink {
+
+public:
+	ED2KLink(const char* filename, const size_t size, const void* hash);
+	~ED2KLink();
+
+	const char* getLink();
+	const char* getFilename();
+	const size_t getSize();
+	const void* getHash();
+
+private:
+	char* link;
+	char* filename;
+	size_t size;
+	void* hash;
+};
+
-- 
2.7.4