HASHINIT(9) OpenBSD Kernel Manual HASHINIT(9)NAMEhashinit - kernel hashtable functions
SYNOPSIS
#include <sys/systm.h>
void *
hashinit(int num, int type, int flags, u_long *mask);
DESCRIPTION
The hashinit() function is used to allocate a hashtable of a desired size
given by the num argument. The hashinit() function will round this
number to the next power of two, and allocate and initialize the
requested hashtable. The type and flags arguments are passed to the
malloc(9) function unchanged. The mask argument is used to pass back the
mask for use with the allocated hashing table. For an example of its
use, see hash(9).
RETURN VALUES
The hashinit() function returns a pointer to the allocated and
initialized hash table.
SEE ALSOfree(9), hash(9), malloc(9)LIMITATIONS
The hashinit() function currently only allocates hash tables with LIST
bucket pointers at this time. Future enhancements to allocate QUEUE
bucket pointers may be warranted. This may necessitate an API change to
accommodate.
HISTORY
The hashinit function first appeared in 4.4BSD.
OpenBSD 4.9 May 31, 2007 OpenBSD 4.9