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This is an example of documentation generated by ZigDoc, an alternative to Zig's built-in Auto Doc feature. See also examples in other modes/formats. The project being documented here (as the example) is the Zig standard library. Public Function

resize

Public Function
std.heap.FixedBufferAllocator.resize
pub fn resize(
    ctx: *anyopaque,
    buf: []u8,
    alignment: mem.Alignment,
    new_size: usize,
    return_address: usize,
) bool

Params

  • ctx: *anyopaque
  • buf: []u8
  • alignment: mem.Alignment
  • new_size: usize
  • return_address: usize

File

heap/FixedBufferAllocator.zig:74
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pub fn resize(
    ctx: *anyopaque,
    buf: []u8,
    alignment: mem.Alignment,
    new_size: usize,
    return_address: usize,
) bool {
    const self: *FixedBufferAllocator = @ptrCast(@alignCast(ctx));
    _ = alignment;
    _ = return_address;
    assert(@inComptime() or self.ownsSlice(buf));

    if (!self.isLastAllocation(buf)) {
        if (new_size > buf.len) return false;
        return true;
    }

    if (new_size <= buf.len) {
        const sub = buf.len - new_size;
        self.end_index -= sub;
        return true;
    }

    const add = new_size - buf.len;
    if (add + self.end_index > self.buffer.len) return false;

    self.end_index += add;
    return true;
}