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chore: remove util fn for stdlib equivalent

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This commit is contained in:
Rekai Nyangadzayi Musuka
2022-11-11 13:02:51 -04:00
parent 1230aa1e91
commit 5d7cf3a8a2
3 changed files with 2 additions and 56 deletions
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51
src/util.zig
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@@ -66,57 +66,6 @@ pub fn intToBytes(comptime T: type, value: anytype) [@sizeOf(T)]u8 {
return result;
}
/// The Title from the GBA Cartridge is an Uppercase ASCII string which is
/// null-padded to 12 bytes
///
/// This function returns a slice of the ASCII string without the null terminator(s)
/// (essentially, a proper Zig/Rust/Any modern language String)
pub fn span(title: *const [12]u8) []const u8 {
const end = std.mem.indexOfScalar(u8, title, '\x00');
return title[0 .. end orelse title.len];
}
test "span" {
var example: *const [12]u8 = "POKEMON_EMER";
try std.testing.expectEqualSlices(u8, "POKEMON_EMER", span(example));
example = "POKEMON_EME\x00";
try std.testing.expectEqualSlices(u8, "POKEMON_EME", span(example));
example = "POKEMON_EM\x00\x00";
try std.testing.expectEqualSlices(u8, "POKEMON_EM", span(example));
example = "POKEMON_E\x00\x00\x00";
try std.testing.expectEqualSlices(u8, "POKEMON_E", span(example));
example = "POKEMON_\x00\x00\x00\x00";
try std.testing.expectEqualSlices(u8, "POKEMON_", span(example));
example = "POKEMON\x00\x00\x00\x00\x00";
try std.testing.expectEqualSlices(u8, "POKEMON", span(example));
example = "POKEMO\x00\x00\x00\x00\x00\x00";
try std.testing.expectEqualSlices(u8, "POKEMO", span(example));
example = "POKEM\x00\x00\x00\x00\x00\x00\x00";
try std.testing.expectEqualSlices(u8, "POKEM", span(example));
example = "POKE\x00\x00\x00\x00\x00\x00\x00\x00";
try std.testing.expectEqualSlices(u8, "POKE", span(example));
example = "POK\x00\x00\x00\x00\x00\x00\x00\x00\x00";
try std.testing.expectEqualSlices(u8, "POK", span(example));
example = "PO\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00";
try std.testing.expectEqualSlices(u8, "PO", span(example));
example = "P\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00";
try std.testing.expectEqualSlices(u8, "P", span(example));
example = "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00";
try std.testing.expectEqualSlices(u8, "", span(example));
}
/// Creates a copy of a title with all Filesystem-invalid characters replaced
///
/// e.g. POKEPIN R/S to POKEPIN R_S