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BSON_ARRAY_ALLOC0(3) libbson BSON_ARRAY_ALLOC0(3)

SYNOPSIS

#define BSON_ARRAY_ALLOC0(Count, Type) \


   (Type*) bson_array_alloc0 (Count, sizeof (Type))
void *
bson_array_alloc0 (size_t num_elems, size_t elem_size);


PARAMETERS

  • num_elems: A size_t containing the number of objects to allocate.
  • elem_size: A size_t containing the size of each object in bytes.

DESCRIPTION

This is a portable calloc() wrapper to allocate an array of objects that also sets the memory to zero.

If num_elems * elem_size cannot be represented in a size_t or there was a failure to allocate num_elems * elem_size bytes, the process will be aborted.

Warning:

This function will abort on failure to allocate memory.


RETURNS

A pointer to a memory region which HAS been zeroed.

Author

MongoDB, Inc

Copyright

2009-present, MongoDB, Inc.

December 11, 2025 2.2.1