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fix: account for subset of disallowed chars in save file names

This commit is contained in:
Rekai Nyangadzayi Musuka 2022-10-21 05:12:29 -03:00
parent ad9463dcb9
commit a93b335dea
2 changed files with 5 additions and 4 deletions
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5
src/bus/backup.zig
View File

@ -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" });
}

4
src/util.zig
View File

@ -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;
}