logOverride

fn logOverride(
    comptime level: std.log.Level,
    comptime scope: @EnumLiteral(),
    comptime format: []const u8,
    args: anytype,
) void

File

Code

fn logOverride(
    comptime level: std.log.Level,
    comptime scope: @EnumLiteral(),
    comptime format: []const u8,
    args: anytype,
) void {
    const f = log_f orelse panic("log before initialization, message:\n" ++ format, args);
    f.lock(io, .exclusive) catch |e| panic("failed to lock logging file: {t}", .{e});
    defer f.unlock(io);

    var buf: [256]u8 = undefined;
    var fw = f.writer(io, &buf);
    const end = f.length(io) catch |e| panic("failed to get fuzzer log file end: {t}", .{e});
    fw.seekTo(end) catch |e| panic("failed to seek to fuzzer log file end: {t}", .{e});

    const prefix1 = comptime level.asText();
    const prefix2 = if (scope == .default) ": " else "(" ++ @tagName(scope) ++ "): ";
    fw.interface.print(
        "[{s}] " ++ prefix1 ++ prefix2 ++ format ++ "\n",
        .{current_test_name orelse "setup"} ++ args,
    ) catch panic("failed to write to fuzzer log: {t}", .{fw.err.?});
    fw.interface.flush() catch panic("failed to write to fuzzer log: {t}", .{fw.err.?});
}