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