const std = @import("std"); pub const BMPValidError = error{InvalidMagic}; const VALID_MAGICS = [_][]const u8{ "BM", "BA", "CI", "CP", "IC", "PT", }; pub fn magicValid(magic: []const u8) !void { var valid = false; for (VALID_MAGICS) |valid_magic| { if (std.mem.eql(u8, magic, valid_magic)) valid = true; } if (!valid) { std.debug.warn("\tINVALID HEADER: '{}'\n", .{magic}); return BMPValidError.InvalidMagic; } }