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43 lines
1.3 KiB
43 lines
1.3 KiB
5 years ago
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#ifndef CBOX_STM_H
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#define CBOX_STM_H
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#include <malloc.h>
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#include <string.h>
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static inline void **stm_array_clone_insert(void **old_array, int old_count, int index, void *data)
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{
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size_t ps = sizeof(void *);
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if (index == -1)
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index = old_count;
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void **new_array = malloc(ps * (old_count + 1));
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memcpy(&new_array[0], &old_array[0], ps * index);
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new_array[index] = data;
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if (index != old_count)
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memcpy(&new_array[index + 1], &old_array[index], ps * (old_count - index));
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return new_array;
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}
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static inline void **stm_array_clone_remove(void **old_array, int old_count, int index)
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{
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size_t ps = sizeof(void *);
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if (old_count == 1)
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return NULL;
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void **new_array = malloc(ps * (old_count - 1));
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memcpy(&new_array[0], &old_array[0], ps * index);
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memcpy(&new_array[index], &old_array[index + 1], ps * (old_count - index - 1));
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return new_array;
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}
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#define STM_ARRAY_FREE(old_array, count, destructor) \
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for (uint32_t i = 0; i < (count); i++) \
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destructor((old_array)[i]); \
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free(old_array);
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#define STM_ARRAY_FREE_OBJS(old_array, count) \
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do { \
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for (uint32_t i = 0; i < (count); i++) \
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cbox_object_destroy(&(old_array)[i]->_obj_hdr); \
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free(old_array); \
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} while(0)
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#endif
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