18 lines
441 B
C
18 lines
441 B
C
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#include "first.h"
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#include "vector.h"
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#include "base.h"
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void *vector_realloc(void *data, size_t elem_size, size_t size, size_t used) {
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const size_t total_size = elem_size * size;
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const size_t used_size = elem_size * used;
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force_assert(size <= SIZE_MAX / elem_size);
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data = realloc(data, total_size);
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force_assert(NULL != data);
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/* clear new memory */
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memset(((char*)data) + used_size, 0, total_size - used_size);
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return data;
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}
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