feat: Add browser applet

Author: Sorunome

libctru/include/3ds.h

@@ -92,7 +92,7 @@ extern "C" {
 
 #include <3ds/applets/swkbd.h>
 #include <3ds/applets/error.h>
-
+#include <3ds/applets/browser.h>
 #include <3ds/applets/miiselector.h>
 
 #include <3ds/archive.h>

libctru/include/3ds/applets/browser.h

@@ -0,0 +1,12 @@
+/**
+ * @file browser.h
+ * @brief Browser Applet
+ */
+
+#pragma once
+
+/**
+ * @brief Open the browser at a url
+ * @param url The url to open at, max-length 1024 characters including the trailing zero. If invalid or null, just opens the browser.
+ */
+void browserOpenUrl(char* url);

libctru/source/applets/browser.c

@@ -0,0 +1,27 @@
+#include <3ds/types.h>
+#include <3ds/services/apt.h>
+
+#include <3ds/applets/browser.h>
+
+#include <stdlib.h>
+#include <string.h>
+
+void browserOpenUrl(char* url)
+{
+	if (!url)
+	{
+		aptLaunchSystemApplet(APPID_WEB, 0, 0, 0);
+		return;
+	}
+	size_t url_len = strlen(url) + 1;
+	if (url_len > 0x400)
+		return browserOpenUrl(NULL);
+	size_t buffer_size = url_len + 1;
+	u8* buffer = malloc(buffer_size);
+	if (!buffer)
+		return browserOpenUrl(NULL);
+	memcpy(buffer, url, url_len);
+	buffer[url_len] = 0;
+	aptLaunchSystemApplet(APPID_WEB, buffer, buffer_size, 0);
+	free(buffer);
+}