| 1 | /* |
| 2 | * Copyright (c) 2022 Philippe Proulx <pproulx@efficios.com> |
| 3 | * |
| 4 | * SPDX-License-Identifier: MIT |
| 5 | */ |
| 6 | |
| 7 | #ifndef BABELTRACE_CPP_COMMON_BT2C_STD_INT_HPP |
| 8 | #define BABELTRACE_CPP_COMMON_BT2C_STD_INT_HPP |
| 9 | |
| 10 | #include <cstdint> |
| 11 | |
| 12 | namespace bt2c { |
| 13 | namespace internal { |
| 14 | |
| 15 | template <std::size_t LenBitsV, bool IsSignedV> |
| 16 | struct StdIntTBase; |
| 17 | |
| 18 | template <> |
| 19 | struct StdIntTBase<8, true> |
| 20 | { |
| 21 | using Type = std::int8_t; |
| 22 | }; |
| 23 | |
| 24 | template <> |
| 25 | struct StdIntTBase<8, false> |
| 26 | { |
| 27 | using Type = std::uint8_t; |
| 28 | }; |
| 29 | |
| 30 | template <> |
| 31 | struct StdIntTBase<16, true> |
| 32 | { |
| 33 | using Type = std::int16_t; |
| 34 | }; |
| 35 | |
| 36 | template <> |
| 37 | struct StdIntTBase<16, false> |
| 38 | { |
| 39 | using Type = std::uint16_t; |
| 40 | }; |
| 41 | |
| 42 | template <> |
| 43 | struct StdIntTBase<32, true> |
| 44 | { |
| 45 | using Type = std::int32_t; |
| 46 | }; |
| 47 | |
| 48 | template <> |
| 49 | struct StdIntTBase<32, false> |
| 50 | { |
| 51 | using Type = std::uint32_t; |
| 52 | }; |
| 53 | |
| 54 | template <> |
| 55 | struct StdIntTBase<64, true> |
| 56 | { |
| 57 | using Type = std::int64_t; |
| 58 | }; |
| 59 | |
| 60 | template <> |
| 61 | struct StdIntTBase<64, false> |
| 62 | { |
| 63 | using Type = std::uint64_t; |
| 64 | }; |
| 65 | |
| 66 | } /* namespace internal */ |
| 67 | |
| 68 | /* |
| 69 | * Standard fixed-length integer type `Type` of length `LenBitsV` bits |
| 70 | * and signedness `IsSignedV`. |
| 71 | * |
| 72 | * `LenBitsV` must be one of 8, 16, 32, or 64. |
| 73 | * |
| 74 | * For example, `StdIntT<32, true>` is `std::int32_t`. |
| 75 | */ |
| 76 | template <std::size_t LenBitsV, bool IsSignedV> |
| 77 | using StdIntT = typename internal::StdIntTBase<LenBitsV, IsSignedV>::Type; |
| 78 | |
| 79 | } /* namespace bt2c */ |
| 80 | |
| 81 | #endif /* BABELTRACE_CPP_COMMON_BT2C_STD_INT_HPP */ |