htmlua/src/utils.zig
Grace Yoder 55a1697e71
All checks were successful
ci/crow/tag/build Pipeline was successful
2026-07-17 20:08:24 -06:00

23 lines
828 B
Zig
Executable file

const std = @import("std");
const Io = std.Io;
const File = Io.File;
const Allocator = std.mem.Allocator;
const ArenaAllocator = std.heap.ArenaAllocator;
const ArrayList = std.ArrayList;
const StringArrayHashMap = std.StringArrayHashMapUnmanaged;
pub fn sanitizePath(alloc: Allocator, path: []const u8) ![]const u8 {
const clean = try alloc.alloc(u8, path.len);
var list = ArrayList(u8).initBuffer(clean);
var pit = std.mem.splitScalar(u8, path, '/');
while (pit.next()) |part| {
if (part.len == 0) continue;
if (std.mem.eql(u8, part, "..")) continue;
// This should never actually allocate
try list.appendSlice(alloc, part);
try list.append(alloc, '/');
}
const new_len = list.items.len - 1;
_ = alloc.resize(clean, new_len);
return clean[0..new_len];
}