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| -rw-r--r-- | include/freerdp/utils/pod_arrays.h | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/include/freerdp/utils/pod_arrays.h b/include/freerdp/utils/pod_arrays.h new file mode 100644 index 0000000..ef8667d --- /dev/null +++ b/include/freerdp/utils/pod_arrays.h @@ -0,0 +1,138 @@ +/** + * FreeRDP: A Remote Desktop Protocol Implementation + * POD arrays + * + * Copyright 2022 David Fort <contact@hardening-consulting.com> + * + * 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 FREERDP_UTILS_POD_ARRAYS_H_ +#define FREERDP_UTILS_POD_ARRAYS_H_ + +#include <winpr/wtypes.h> +#include <winpr/assert.h> + +#ifdef __cplusplus +extern "C" +{ +#endif + +#define POD_ARRAYS_IMPL(T, TLOWER) \ + typedef struct \ + { \ + T* values; \ + size_t nvalues; \ + } Array##T; \ + typedef BOOL Array##T##Cb(T* v, void* data); \ + \ + static INLINE void array_##TLOWER##_init(Array##T* a) \ + { \ + WINPR_ASSERT(a); \ + a->values = NULL; \ + a->nvalues = 0; \ + } \ + \ + static INLINE size_t array_##TLOWER##_size(const Array##T* a) \ + { \ + WINPR_ASSERT(a); \ + return a->nvalues; \ + } \ + \ + static INLINE T* array_##TLOWER##_data(const Array##T* a) \ + { \ + WINPR_ASSERT(a); \ + return a->values; \ + } \ + \ + static INLINE const T* array_##TLOWER##_cdata(const Array##T* a) \ + { \ + WINPR_ASSERT(a); \ + return (const T*)a->values; \ + } \ + \ + static INLINE T array_##TLOWER##_get(const Array##T* a, size_t idx) \ + { \ + WINPR_ASSERT(a); \ + WINPR_ASSERT(a->nvalues > idx); \ + return a->values[idx]; \ + } \ + \ + static INLINE void array_##TLOWER##_set(Array##T* a, size_t idx, T v) \ + { \ + WINPR_ASSERT(a); \ + WINPR_ASSERT(a->nvalues > idx); \ + a->values[idx] = v; \ + } \ + \ + static INLINE BOOL array_##TLOWER##_append(Array##T* a, T v) \ + { \ + WINPR_ASSERT(a); \ + T* tmp = realloc(a->values, sizeof(T) * (a->nvalues + 1)); \ + if (!tmp) \ + return FALSE; \ + \ + tmp[a->nvalues] = v; \ + a->values = tmp; \ + a->nvalues++; \ + return TRUE; \ + } \ + \ + static INLINE BOOL array_##TLOWER##_contains(const Array##T* a, T v) \ + { \ + WINPR_ASSERT(a); \ + \ + for (UINT32 i = 0; i < a->nvalues; i++) \ + { \ + if (memcmp(&a->values[i], &v, sizeof(T)) == 0) \ + return TRUE; \ + } \ + \ + return FALSE; \ + } \ + \ + static INLINE BOOL array_##TLOWER##_foreach(Array##T* a, Array##T##Cb cb, void* data) \ + { \ + WINPR_ASSERT(a); \ + for (size_t i = 0; i < a->nvalues; i++) \ + { \ + if (!cb(&a->values[i], data)) \ + return FALSE; \ + } \ + \ + return TRUE; \ + } \ + \ + static INLINE void array_##TLOWER##_reset(Array##T* a) \ + { \ + WINPR_ASSERT(a); \ + a->nvalues = 0; \ + } \ + \ + static INLINE void array_##TLOWER##_uninit(Array##T* a) \ + { \ + WINPR_ASSERT(a); \ + free(a->values); \ + \ + a->values = NULL; \ + a->nvalues = 0; \ + } + + POD_ARRAYS_IMPL(UINT16, uint16) + POD_ARRAYS_IMPL(UINT32, uint32) + POD_ARRAYS_IMPL(UINT64, uint64) + +#ifdef __cplusplus +} +#endif + +#endif /* FREERDP_UTILS_POD_ARRAYS_H_ */ |