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remap

FailingAllocator.remap

fn remap(
    ctx: *anyopaque,
    memory: []u8,
    alignment: mem.Alignment,
    new_len: usize,
    ra: usize,
) ?[*]u8

File

lib/std/testing/FailingAllocator.zig:102

Code

fn remap(
    ctx: *anyopaque,
    memory: []u8,
    alignment: mem.Alignment,
    new_len: usize,
    ra: usize,
) ?[*]u8 {
    const self: *FailingAllocator = @ptrCast(@alignCast(ctx));
    if (self.resize_index == self.resize_fail_index) return null;
    const new_ptr = self.internal_allocator.rawRemap(memory, alignment, new_len, ra) orelse return null;
    if (new_len < memory.len) {
        self.freed_bytes += memory.len - new_len;
    } else {
        self.allocated_bytes += new_len - memory.len;
    }
    self.resize_index += 1;
    return new_ptr;
}