chore: remove util fn for stdlib equivalent

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

View File

@ -6,7 +6,6 @@ const Eeprom = @import("backup/eeprom.zig").Eeprom;
const Flash = @import("backup/Flash.zig"); const Flash = @import("backup/Flash.zig");
const escape = @import("../../util.zig").escape; const escape = @import("../../util.zig").escape;
const span = @import("../../util.zig").span;
const Needle = struct { str: []const u8, kind: Backup.Kind }; const Needle = struct { str: []const u8, kind: Backup.Kind };
const backup_kinds = [6]Needle{ const backup_kinds = [6]Needle{
@ -195,7 +194,7 @@ pub const Backup = struct {
} }
fn saveName(self: *const Self, allocator: Allocator) ![]const u8 { fn saveName(self: *const Self, allocator: Allocator) ![]const u8 {
const title_str = span(&escape(self.title)); const title_str = std.mem.sliceTo(&escape(self.title), 0);
const name = if (title_str.len != 0) title_str else "untitled"; const name = if (title_str.len != 0) title_str else "untitled";
return try std.mem.concat(allocator, u8, &[_][]const u8{ name, ".sav" }); return try std.mem.concat(allocator, u8, &[_][]const u8{ name, ".sav" });

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@ -9,8 +9,6 @@ const Arm7tdmi = @import("core/cpu.zig").Arm7tdmi;
const Scheduler = @import("core/scheduler.zig").Scheduler; const Scheduler = @import("core/scheduler.zig").Scheduler;
const FpsTracker = @import("util.zig").FpsTracker; const FpsTracker = @import("util.zig").FpsTracker;
const span = @import("util.zig").span;
const gba_width = @import("core/ppu.zig").width; const gba_width = @import("core/ppu.zig").width;
const gba_height = @import("core/ppu.zig").height; const gba_height = @import("core/ppu.zig").height;
@ -73,7 +71,7 @@ pub const Gui = struct {
return Self{ return Self{
.window = window, .window = window,
.title = span(title), .title = std.mem.sliceTo(title, 0),
.ctx = ctx, .ctx = ctx,
.program_id = program_id, .program_id = program_id,
.audio = Audio.init(apu), .audio = Audio.init(apu),

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@ -66,57 +66,6 @@ pub fn intToBytes(comptime T: type, value: anytype) [@sizeOf(T)]u8 {
return result; 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 /// Creates a copy of a title with all Filesystem-invalid characters replaced
/// ///
/// e.g. POKEPIN R/S to POKEPIN R_S /// e.g. POKEPIN R/S to POKEPIN R_S