/*
 * tclHash.c --
 *
 *	Implementation of in-memory hash tables for Tcl and Tcl-based
 *	applications.
 *
 * Copyright (c) 1991-1993 The Regents of the University of California.
 * Copyright (c) 1994 Sun Microsystems, Inc.
 *
 * See the file "license.terms" for information on usage and redistribution of
 * this file, and for a DISCLAIMER OF ALL WARRANTIES.
 *
 * RCS: @(#) $Id: tclHash.c,v 1.29 2007/04/17 14:49:53 dkf Exp $
 */

#include "tclInt.h"

/*
 * Prevent macros from clashing with function definitions.
 */

CompareStringKeys(
    VOID *keyPtr,		/* New key to compare. */
    Tcl_HashEntry *hPtr)	/* Existing key to compare. */
{
    register const char *p1 = (const char *) keyPtr;
    register const char *p2 = (const char *) hPtr->key.string;

#ifdef TCL_COMPARE_HASHES_WITH_STRCMP
    return !strcmp(p1, p2);
#else
    for (;; p1++, p2++) {
	if (*p1 != *p2) {
	    break;
	}
	if (*p1 == '\0') {
	    return 1;
	}
    }
    return 0;
#endif /* TCL_COMPARE_HASHES_WITH_STRCMP */
}

/*
 *----------------------------------------------------------------------
 *
 * HashStringKey --
 *

	    tablePtr->buckets[index] = hPtr;
#else
	    VOID *key = (VOID *) Tcl_GetHashKey(tablePtr, hPtr);

	    if (typePtr->hashKeyProc) {
		unsigned int hash;

		hash = typePtr->hashKeyProc(tablePtr, (VOID *) key);
		if (typePtr->flags & TCL_HASH_KEY_RANDOMIZE_HASH) {
		    index = RANDOM_INDEX (tablePtr, hash);
		} else {
		    index = hash & tablePtr->mask;
		}
	    } else {
		index = RANDOM_INDEX (tablePtr, key);