mirror of https://github.com/fairyglade/ly.git
43 lines
1.3 KiB
Zig
43 lines
1.3 KiB
Zig
// The migrator ensures compatibility with <=0.6.0 configuration files
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const std = @import("std");
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const ini = @import("zigini");
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const Save = @import("Save.zig");
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pub fn configFieldHandler(_: std.mem.Allocator, field: ini.IniField) ?ini.IniField {
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var mapped_field = field;
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if (std.mem.eql(u8, field.key, "blank_password")) {
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mapped_field.key = "clear_password";
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}
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return mapped_field;
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}
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pub fn tryMigrateSaveFile(user_buf: *[32]u8, path: []const u8) Save {
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var save = Save{};
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var file = std.fs.openFileAbsolute(path, .{}) catch return save;
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defer file.close();
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const reader = file.reader();
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var user_fbs = std.io.fixedBufferStream(user_buf);
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reader.streamUntilDelimiter(user_fbs.writer(), '\n', 32) catch return save;
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const user = user_fbs.getWritten();
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if (user.len > 0) save.user = user;
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var session_buf: [20]u8 = undefined;
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var session_fbs = std.io.fixedBufferStream(&session_buf);
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reader.streamUntilDelimiter(session_fbs.writer(), '\n', 20) catch {};
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const session_index_str = session_fbs.getWritten();
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var session_index: ?u64 = null;
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if (session_index_str.len > 0) {
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session_index = std.fmt.parseUnsigned(u64, session_index_str, 10) catch return save;
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}
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save.session_index = session_index;
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return save;
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}
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