const std = @import("std");
pub const string = []const u8;
pub const stringMutable = []u8;
pub const CodePoint = i32;
// macOS sets file path limit to 1024
// Since a pointer on x64 is 64 bits and only 46 bits are used
// We can safely store the entire path slice in a single u64.
pub const PathString = packed struct {
const PathIntLen = std.math.IntFittingRange(0, std.fs.MAX_PATH_BYTES);
pub const use_small_path_string = @bitSizeOf(usize) - @bitSizeOf(PathIntLen) >= 53;
pub const PathInt = if (use_small_path_string) PathIntLen else usize;
pub const PointerIntType = if (use_small_path_string) u53 else usize;
ptr: PointerIntType,
len: PathInt,
pub inline fn slice(this: PathString) string {
@setRuntimeSafety(false); // "cast causes pointer to be null" is fine here. if it is null, the len will be 0.
return @intToPtr([*]u8, @intCast(usize, this.ptr))[0..this.len];
}
pub inline fn init(str: string) PathString {
@setRuntimeSafety(false); // "cast causes pointer to be null" is fine here. if it is null, the len will be 0.
return PathString{
.ptr = @truncate(PointerIntType, @ptrToInt(str.ptr)),
.len = @truncate(PathInt, str.len),
};
}
pub inline fn isEmpty(this: PathString) bool {
return this.len == 0;
}
pub const empty = PathString{ .ptr = 0, .len = 0 };
comptime {
if (use_small_path_string and @bitSizeOf(PathString) != 64) {
@compileError("PathString must be 64 bits");
} else if (!use_small_path_string and @bitSizeOf(PathString) != 128) {
@compileError("PathString must be 128 bits");
}
}
};
ciro/queue-response-experiment
Unnamed repository; edit this file 'description' to name the repository.
Jarred Sumner
Ashcon Partovi