sj3/alloc.c

/*
 * Copyright (c) 1991-1994  Sony Corporation
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 * IN NO EVENT SHALL SONY CORPORATION BE LIABLE FOR ANY CLAIM,
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
 * THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 * Except as contained in this notice, the name of Sony Corporation
 * shall not be used in advertising or otherwise to promote the sale, use
 * or other dealings in this Software without prior written authorization
 * from Sony Corporation.
 *
 */

#include <stdlib.h>
#include <sys/types.h>
#include "sj_rename.h"
#include "sj_typedef.h"
#include "const.h"
#include "sj_var.h"
#include "sj_struct.h"
#include "kanakan.h"

#define JREC_NUM 128
#define CLREC_NUM 128

static JREC*  jrec  = NULL;
static CLREC* clrec = NULL;

JREC* alloc_jrec(void) {
	JREC* p;
	int   i;

	if(jrec == NULL) {
		jrec = (JREC*)malloc(sizeof(JREC) * JREC_NUM);
		if(jrec == NULL) return (JREC*)malloc(sizeof(JREC));
		for(i = 0, p = jrec; i < JREC_NUM - 1; i++, p++)
			p->jsort = p + 1;
		p->jsort = NULL;
	}
	p    = jrec;
	jrec = jrec->jsort;

	return p;
}

void free_jrec(JREC* p) {
	if(p != NULL) {
		p->jsort = jrec;
		jrec	 = p;
	}
}

CLREC*
alloc_clrec(void) {
	CLREC* p;
	int    i;

	if(clrec == NULL) {
		clrec = (CLREC*)malloc(sizeof(CLREC) * CLREC_NUM);
		if(clrec == NULL) return (CLREC*)malloc(sizeof(CLREC));
		for(i = 0, p = clrec; i < CLREC_NUM - 1; i++, p++)
			p->clsort = p + 1;
		p->clsort = NULL;
	}
	p     = clrec;
	clrec = clrec->clsort;

	return p;
}

void free_clrec(CLREC* p) {
	if(p != NULL) {
		p->clsort = clrec;
		clrec	  = p;
	}
}