mallocxable()

Purpose

Gets a size value suitable for a call to mallocx()

Syntax

size_t mallocxable(size_t size);

Parameters

size_t size

The size with which you want to call mallocx()

Description

This function tells you how much allocation to ask for to keep the heap aligned. If you wish to bypass calls to this function, be certain that the size passed to mallocx() is:

• Larger than the permitted minimum size
• A multiple of the size needed to satisfy compiler alignment restrictions

Return values

Returns a rounded up value of size suitable for a call to mallocx()

See also

mallocx(), mallocp()