VALLOC(3C) — NEWS-OS Programmer’s Manual

NAME

valloc − aligned memory allocator

SYNOPSIS

char ∗valloc(size)
unsigned size;

DESCRIPTION

Valloc is obsoleted by the current version of malloc, which aligns page-sized and larger allocations.

Valloc allocates size bytes aligned on a page boundary. It is implemented by calling malloc(3) with a slightly larger request, saving the true beginning of the block allocated, and returning a properly aligned pointer.

DIAGNOSTICS

Valloc returns a null pointer (0) if there is no available memory or if the arena has been detectably corrupted by storing outside the bounds of a block.

BUGS

Vfree isn’t implemented.