/*-
 * Copyright (c) 1999, 2000, 2001, 2002, 2003 Lev Walkin <vlm@lionet.info>.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * $Id: sf_mem.h,v 1.2 2005/05/25 21:55:10 vlm Exp $
 */

#ifndef __SF_MEM_H__
#define __SF_MEM_H__

#include <sys/types.h>

#ifdef __cplusplus
extern "C" {
#endif	/* __cplusplus */


char *strndup(const char *, size_t num);/* strdup() num bytes from the string */
char *sf_strdup(const char *);		/* safe strdup() */
void *sf_malloc(size_t);		/* safe malloc() */
void *sf_calloc(size_t, size_t);	/* safe calloc() */
void *sf_realloc(void *, size_t);	/* safe realloc() */


/********************************/
/*** LibStrfunc control flags ***/
/********************************/

#define	SF_GET_MEMORY_FAILURE_BEHAVIOR	1
#define	SF_SET_MEMORY_FAILURE_BEHAVIOR	2
#define	SF_ARG_MFB_ABORT	0	/* Default is to call abort() */
#define	SF_ARG_MFB_ENOMEM	1	/* Just return ENOMEM */
#define	SF_ARG_MFB_TRY_ABORT	2	/* Try several times, then abort */
#define	SF_ARG_MFB_TRY_ENOMEM	3	/* Try several times, then ENOMEM */
#define	SF_ARG_MFB_TRY_NOFAIL	4	/* Try forever */

#define	SF_GET_MEMORY_FAILURE_TRIES	3	/* Default: 10 try times */
#define	SF_SET_MEMORY_FAILURE_TRIES	4

	/*
	 * Use these if you want to quickly do huge amount of strtotime().
	 * Will omit the time() system call on each call.
	 */
#define	SF_GET_STRTOTIME_ZINFO_CACHING	5	/* Default: 0 */
#define	SF_SET_STRTOTIME_ZINFO_CACHING	6

int	strfunc_ctl(int request, int *optArg);
/*
 * Set a callback to be invoked upon memory failure.
 */
void	strfunc_memory_failure_callback(void (*cb)(void));


#ifdef __cplusplus
}
#endif	/* __cplusplus */

#endif	/* __SF_MEM_H__ */