From a93b335deaf672061c2a89376e23638a7f27b882 Mon Sep 17 00:00:00 2001
From: Rekai Musuka <rekai@musuka.dev>
Date: Fri, 21 Oct 2022 05:12:29 -0300
Subject: [PATCH] fix: account for subset of disallowed chars in save file
 names

---
 src/bus/backup.zig | 5 +++--
 src/util.zig       | 4 ++--
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/src/bus/backup.zig b/src/bus/backup.zig
index 929f8eb..0ba3987 100644
--- a/src/bus/backup.zig
+++ b/src/bus/backup.zig
@@ -3,6 +3,7 @@ const Allocator = std.mem.Allocator;
 const log = std.log.scoped(.Backup);
 
 const correctTitle = @import("../util.zig").correctTitle;
+const safeTitle = @import("../util.zig").safeTitle;
 
 const backup_kinds = [5]Needle{
     .{ .str = "EEPROM_V", .kind = .Eeprom },
@@ -61,7 +62,7 @@ pub const Backup = struct {
     }
 
     pub fn deinit(self: Self) void {
-        if (self.save_path) |path| self.writeSaveToDisk(path) catch |e| log.err("Failed to save {}", .{e});
+        if (self.save_path) |path| self.writeSaveToDisk(path) catch |e| log.err("Failed to write save: {}", .{e});
 
         self.alloc.free(self.buf);
     }
@@ -93,7 +94,7 @@ pub const Backup = struct {
     }
 
     fn getSaveFilename(self: *const Self) ![]const u8 {
-        const title = correctTitle(self.title);
+        const title = correctTitle(safeTitle(self.title));
         return try std.mem.concat(self.alloc, u8, &[_][]const u8{ title, ".sav" });
     }
 
diff --git a/src/util.zig b/src/util.zig
index f8e4bcb..a68e78a 100644
--- a/src/util.zig
+++ b/src/util.zig
@@ -74,12 +74,12 @@ pub fn correctTitle(title: [12]u8) []const u8 {
 /// Copies a Title and returns either an identical or similar 
 /// array consisting of ASCII that won't make any file system angry
 ///
-/// Currently Unused but I assume there's some ROM out there that will require this 
+/// e.g. POKEPIN R/S to POKEPIN R_S
 pub fn safeTitle(title: [12]u8) [12]u8 {
     var result: [12]u8 = title;
 
     for (result) |*char| {
-        if (char.* == '-') char.* = '_';
+        if (char.* == '/' or char.* == '\\') char.* = '_';
         if (char.* == 0) break;
     }