From 2d59362d9c611a45df1f7b0f2c6ea8ef48a305fe Mon Sep 17 00:00:00 2001
From: Pk11 <epicpkmn11@outlook.com>
Date: Fri, 12 Mar 2021 07:59:01 -0600
Subject: [PATCH] Read only for NAND/NitroFS/FAT IMG drives

---
 arm9/Makefile               |  4 ++--
 arm9/source/file_browse.cpp |  2 +-
 arm9/source/hexEditor.cpp   | 20 ++++++++++++--------
 arm9/source/hexEditor.h     |  2 +-
 4 files changed, 16 insertions(+), 12 deletions(-)

diff --git a/arm9/Makefile b/arm9/Makefile
index f08d8c2..fe7f79e 100644
--- a/arm9/Makefile
+++ b/arm9/Makefile
@@ -8,11 +8,11 @@ endif
 
 include $(DEVKITARM)/ds_rules
 
-# If on a tagged commit, use the tag instead of the commit
+# If on a tagged commit, use just tag
 ifneq ($(shell echo $(shell git tag -l --points-at HEAD) | head -c 1),)
 GIT_VER := $(shell git tag -l --points-at HEAD)
 else
-GIT_VER := $(shell git describe --abbrev=0 --tags)-$(shell git rev-parse --short HEAD)
+GIT_VER := $(shell git describe --abbrev=0 --tags)-$(shell git rev-parse --short=7 HEAD)
 endif
 
 # Ensure version.h exists
diff --git a/arm9/source/file_browse.cpp b/arm9/source/file_browse.cpp
index eb4c209..36a0f42 100644
--- a/arm9/source/file_browse.cpp
+++ b/arm9/source/file_browse.cpp
@@ -379,7 +379,7 @@ FileOperation fileBrowse_A(DirEntry* entry, char path[PATH_MAX]) {
 					}
 					break;
 				} case FileOperation::hexEdit: {
-					hexEditor(entry->name.c_str());
+					hexEditor(entry->name.c_str(), currentDrive);
 					break;
 				} case FileOperation::none: {
 					break;
diff --git a/arm9/source/hexEditor.cpp b/arm9/source/hexEditor.cpp
index 284c008..57eba56 100644
--- a/arm9/source/hexEditor.cpp
+++ b/arm9/source/hexEditor.cpp
@@ -50,17 +50,19 @@ u32 jumpToOffset(u32 offset) {
 	}
 }
 
-void hexEditor(const char *path) {
+void hexEditor(const char *path, int drive) {
 	// Custom palettes
 	BG_PALETTE_SUB[0x1F] = 0x9CF7;
 	BG_PALETTE_SUB[0x2F] = 0xB710;
 	BG_PALETTE_SUB[0x3F] = 0xAE8D;
 	BG_PALETTE_SUB[0x7F] = 0xEA2D;
 
-	FILE *file = fopen(path, "rb+");
+	FILE *file = fopen(path, drive < 4 ? "rb+" : "rb");
 
-	if(!file)
+	if(!file) {
+		nocashMessage("test");
 		return;
+	}
 
 	consoleClear();
 
@@ -179,11 +181,13 @@ void hexEditor(const char *path) {
 				if(cursorPosition < 8 * maxLines - 1)
 					cursorPosition = std::min((u8)(cursorPosition + 1), (u8)(fileSize - offset - 1));
 			} else if (pressed & KEY_A) {
-				mode = 2;
-				consoleSelect(&bottomConsoleBG);
-				printf("\x1B[%d;%dH\x1B[%dm\2\2", 1 + cursorPosition / 8, 5 + (cursorPosition % 8 * 2) + (cursorPosition % 8 / 4), 31);
-				printf("\x1B[%d;%dH\x1B[%dm\2", 1 + cursorPosition / 8, 23 + cursorPosition % 8, 31);
-				consoleSelect(&bottomConsole);
+				if(drive < 4) {
+					mode = 2;
+					consoleSelect(&bottomConsoleBG);
+					printf("\x1B[%d;%dH\x1B[%dm\2\2", 1 + cursorPosition / 8, 5 + (cursorPosition % 8 * 2) + (cursorPosition % 8 / 4), 31);
+					printf("\x1B[%d;%dH\x1B[%dm\2", 1 + cursorPosition / 8, 23 + cursorPosition % 8, 31);
+					consoleSelect(&bottomConsole);
+				}
 			} else if (pressed & KEY_B) {
 				mode = 0;
 			} else if(pressed & KEY_Y) {
diff --git a/arm9/source/hexEditor.h b/arm9/source/hexEditor.h
index 078c408..887a17b 100644
--- a/arm9/source/hexEditor.h
+++ b/arm9/source/hexEditor.h
@@ -1,6 +1,6 @@
 #ifndef HEX_EDITOR_H
 #define HEX_EDITOR_H
 
-void hexEditor(const char *path);
+void hexEditor(const char *path, int drive);
 
 #endif