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The {{calloc()}} function takes two arguments: the number of elements to allocate and the storage size of those elements. Typically, {{calloc()}} implementations multiply these arguments to determine how much memory to allocate. Historically, some implementations failed to check if out-of-bounds results silently wrap. \[[RUS-CERT Advisory 2002-08:02|http://cert.uni-stuttgart.de/advisories/calloc.php]\]. If the result of multiplying the number of elements to allocate and the storage size cannot be represented as a {{size_t}}, less memory is allocated than was requested. As a result, it is necessary to ensure that these arguments, when multiplied, can be represented as a {{size_t}}. |
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