src/vector.c

   1 #include "first.h"
   2
   3 #include "vector.h"
   4 #include "base.h"
   5
   6 void *vector_realloc(void *data, size_t elem_size, size_t size, size_t used) {
   7         const size_t total_size = elem_size * size;
   8         const size_t used_size = elem_size * used;
   9         force_assert(size <= SIZE_MAX / elem_size);
  10         data = realloc(data, total_size);
  11         force_assert(NULL != data);
  12
  13         /* clear new memory */
  14         memset(((char*)data) + used_size, 0, total_size - used_size);
  15
  16         return data;
  17 }