From 62f8299f28db7e087e8422836af431e0c2e13ccb Mon Sep 17 00:00:00 2001
From: NishiOwO <nishi@nishi.boats>
Date: Sun, 16 Nov 2025 11:24:56 +0900
Subject: [PATCH] file

---
 include/MDE/File.h       | 16 ++++++++++++++++
 include/MDE/Foundation.h |  2 ++
 src/dummy.c              |  0
 src/file.c               | 24 ++++++++++++++++++++++++
 4 files changed, 42 insertions(+)
 create mode 100644 include/MDE/File.h
 delete mode 100644 src/dummy.c
 create mode 100644 src/file.c

diff --git a/include/MDE/File.h b/include/MDE/File.h
new file mode 100644
index 0000000..046205d
--- /dev/null
+++ b/include/MDE/File.h
@@ -0,0 +1,16 @@
+#ifndef __MDE_FILE_H__
+#define __MDE_FIlE_H__
+
+#include <MDE/MachDep.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void MDEFileCopy(const char* src, const char* dst);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/include/MDE/Foundation.h b/include/MDE/Foundation.h
index 81070cb..1d1badc 100644
--- a/include/MDE/Foundation.h
+++ b/include/MDE/Foundation.h
@@ -3,4 +3,6 @@
 
 #include <MDE/MachDep.h>
 
+#include <MDE/File.h>
+
 #endif
diff --git a/src/dummy.c b/src/dummy.c
deleted file mode 100644
index e69de29..0000000
diff --git a/src/file.c b/src/file.c
new file mode 100644
index 0000000..2a8831e
--- /dev/null
+++ b/src/file.c
@@ -0,0 +1,24 @@
+#include <MDE/File.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+
+void MDEFileCopy(const char* src, const char* dst){
+	char buffer[4096];
+	FILE* in;
+	FILE* out;
+	int r;
+	if((in = fopen(src, "rb")) == NULL) return;
+	if((out = fopen(dst, "wb")) == NULL){
+		fclose(in);
+		return;
+	}
+
+	do{
+		r = fread(buffer, 1, sizeof(buffer), in);
+		fwrite(buffer, 1, r, out);
+	}while(r == sizeof(buffer));
+
+	fclose(in);
+	fclose(out);
+}