| /* |
| * Copyright 2016 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef STAGEFRIGHT_CODEC2_ERRNO_UTILS_H_ |
| #define STAGEFRIGHT_CODEC2_ERRNO_UTILS_H_ |
| |
| #include <errno.h> |
| #include <C2.h> |
| |
| // standard ERRNO mappings |
| template<int N> constexpr c2_status_t _c2_errno2status_impl(); |
| template<> constexpr c2_status_t _c2_errno2status_impl<0>() { return C2_OK; } |
| template<> constexpr c2_status_t _c2_errno2status_impl<EINVAL>() { return C2_BAD_VALUE; } |
| template<> constexpr c2_status_t _c2_errno2status_impl<EACCES>() { return C2_REFUSED; } |
| template<> constexpr c2_status_t _c2_errno2status_impl<EPERM>() { return C2_REFUSED; } |
| template<> constexpr c2_status_t _c2_errno2status_impl<ENOMEM>() { return C2_NO_MEMORY; } |
| |
| // map standard errno-s to the equivalent c2_status_t |
| template<int... N> struct _c2_map_errno_impl; |
| template<int E, int ... N> struct _c2_map_errno_impl<E, N...> { |
| static c2_status_t map(int result) { |
| if (result == E) { |
| return _c2_errno2status_impl <E>(); |
| } else { |
| return _c2_map_errno_impl<N...>::map(result); |
| } |
| } |
| }; |
| template<> struct _c2_map_errno_impl<> { |
| static c2_status_t map(int result) { |
| return result == 0 ? C2_OK : C2_CORRUPTED; |
| } |
| }; |
| |
| template<int... N> |
| c2_status_t c2_map_errno(int result) { |
| return _c2_map_errno_impl<N...>::map(result); |
| } |
| |
| #endif // STAGEFRIGHT_CODEC2_ERRNO_UTILS_H_ |
| |