49 lines
1.2 KiB
Zig
49 lines
1.2 KiB
Zig
const std = @import("std");
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const Allocator = std.mem.Allocator;
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const flipperzero = @import("flipperzero.zig");
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const c = flipperzero.c;
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pub const FuriAllocator = struct {
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fn alloc(
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_: *anyopaque,
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len: usize,
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log2_align: u8,
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return_address: usize,
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) ?[*]u8 {
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_ = return_address;
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const alignment = @as(usize, 1) << @intCast(log2_align);
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return @ptrCast(c.aligned_malloc(len, alignment));
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}
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fn resize(
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_: *anyopaque,
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buf: []u8,
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log2_buf_align: u8,
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new_len: usize,
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return_address: usize,
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) bool {
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_ = return_address;
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_ = log2_buf_align;
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return new_len <= buf.len;
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}
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fn free(
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_: *anyopaque,
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buf: []u8,
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log2_buf_align: u8,
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return_address: usize,
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) void {
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_ = return_address;
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_ = log2_buf_align;
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c.aligned_free(buf.ptr);
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}
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};
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const furi_allocator_vtable = Allocator.VTable{
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.alloc = FuriAllocator.alloc,
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.resize = FuriAllocator.resize,
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.free = FuriAllocator.free,
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};
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pub const furi_allocator = Allocator{ .ptr = undefined, .vtable = &furi_allocator_vtable };
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