141 lines
9.6 KiB
C
141 lines
9.6 KiB
C
/**
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* FreeRDP: A Remote Desktop Protocol Implementation
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* POD arrays
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*
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* Copyright 2022 David Fort <contact@hardening-consulting.com>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef FREERDP_UTILS_POD_ARRAYS_H_
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#define FREERDP_UTILS_POD_ARRAYS_H_
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#include <winpr/wtypes.h>
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#include <winpr/assert.h>
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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#define POD_ARRAYS_IMPL(T, TLOWER) \
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typedef struct \
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{ \
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T* values; \
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size_t nvalues; \
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} Array##T; \
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typedef BOOL Array##T##Cb(T* v, void* data); \
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\
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static INLINE void array_##TLOWER##_init(Array##T* a) \
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{ \
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WINPR_ASSERT(a); \
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a->values = NULL; \
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a->nvalues = 0; \
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} \
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\
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static INLINE size_t array_##TLOWER##_size(const Array##T* a) \
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{ \
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WINPR_ASSERT(a); \
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return a->nvalues; \
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} \
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\
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static INLINE T* array_##TLOWER##_data(const Array##T* a) \
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{ \
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WINPR_ASSERT(a); \
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return a->values; \
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} \
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\
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static INLINE const T* array_##TLOWER##_cdata(const Array##T* a) \
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{ \
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WINPR_ASSERT(a); \
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return (const T*)a->values; \
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} \
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\
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static INLINE T array_##TLOWER##_get(const Array##T* a, size_t idx) \
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{ \
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WINPR_ASSERT(a); \
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WINPR_ASSERT(a->nvalues > idx); \
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return a->values[idx]; \
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} \
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\
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static INLINE void array_##TLOWER##_set(Array##T* a, size_t idx, T v) \
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{ \
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WINPR_ASSERT(a); \
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WINPR_ASSERT(a->nvalues > idx); \
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a->values[idx] = v; \
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} \
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\
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static INLINE BOOL array_##TLOWER##_append(Array##T* a, T v) \
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{ \
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WINPR_ASSERT(a); \
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T* tmp = realloc(a->values, sizeof(T) * (a->nvalues + 1)); \
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if (!tmp) \
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return FALSE; \
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\
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tmp[a->nvalues] = v; \
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a->values = tmp; \
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a->nvalues++; \
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return TRUE; \
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} \
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\
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static INLINE BOOL array_##TLOWER##_contains(const Array##T* a, T v) \
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{ \
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WINPR_ASSERT(a); \
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UINT32 i; \
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\
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for (i = 0; i < a->nvalues; i++) \
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{ \
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if (memcmp(&a->values[i], &v, sizeof(T)) == 0) \
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return TRUE; \
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} \
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\
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return FALSE; \
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} \
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\
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static INLINE BOOL array_##TLOWER##_foreach(Array##T* a, Array##T##Cb cb, void* data) \
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{ \
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WINPR_ASSERT(a); \
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size_t i; \
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for (i = 0; i < a->nvalues; i++) \
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{ \
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if (!cb(&a->values[i], data)) \
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return FALSE; \
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} \
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\
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return TRUE; \
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} \
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\
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static INLINE void array_##TLOWER##_reset(Array##T* a) \
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{ \
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WINPR_ASSERT(a); \
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a->nvalues = 0; \
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} \
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\
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static INLINE void array_##TLOWER##_uninit(Array##T* a) \
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{ \
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WINPR_ASSERT(a); \
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free(a->values); \
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\
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a->values = NULL; \
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a->nvalues = 0; \
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}
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POD_ARRAYS_IMPL(UINT16, uint16)
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POD_ARRAYS_IMPL(UINT32, uint32)
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POD_ARRAYS_IMPL(UINT64, uint64)
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#ifdef __cplusplus
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}
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#endif
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#endif /* FREERDP_UTILS_POD_ARRAYS_H_ */
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