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/* -*- Mode:C; c-basic-offset:4; tab-width:4 -*-
****************************************************************************
* (C) 2003 - Rolf Neugebauer - Intel Research Cambridge
****************************************************************************
*
* File: lib.h
* Author: Rolf Neugebauer (neugebar@dcs.gla.ac.uk)
* Changes:
*
* Date: Aug 2003
*
* Environment: Xen Minimal OS
* Description: Random useful library functions, contains some freebsd stuff
*
****************************************************************************
* $Id: h-insert.h,v 1.4 2002/11/08 16:03:55 rn Exp $
****************************************************************************
*
*-
* Copyright (c) 1991, 1993
* The Regents of the University of California. 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
*
* @(#)stdarg.h 8.1 (Berkeley) 6/10/93
* $FreeBSD: src/sys/i386/include/stdarg.h,v 1.10 1999/08/28 00:44:26 peter Exp $
*/
#ifndef _LIB_H_
#define _LIB_H_
/* variadic function support */
typedef char *va_list;
#define __va_size(type) \
(((sizeof(type) + sizeof(int) - 1) / sizeof(int)) * sizeof(int))
#ifdef __GNUC__
#define va_start(ap, last) \
((ap) = (va_list)__builtin_next_arg(last))
#else
#define va_start(ap, last) \
((ap) = (va_list)&(last) + __va_size(last))
#endif
#define va_arg(ap, type) \
(*(type *)((ap) += __va_size(type), (ap) - __va_size(type)))
#define va_end(ap)
/* printing */
#define printk printf
#define kprintf printf
int printf(const char *fmt, ...);
int vprintf(const char *fmt, va_list ap);
int sprintf(char *buf, const char *cfmt, ...);
int vsprintf(char *buf, const char *cfmt, va_list ap);
/* string and memory manipulation */
int memcmp(const void *cs, const void *ct, size_t count);
void *memcpy(void *dest, const void *src, size_t count);
int strncmp(const char *cs, const char *ct, size_t count);
int strcmp(const char *cs, const char *ct);
char *strcpy(char *dest, const char *src);
char *strncpy(char *dest, const char *src, size_t count);
void *memset(void *s,int c, size_t count);
size_t strnlen(const char *s, size_t count);
size_t strlen(const char *s);
char *strchr(const char *s, int c);
char *strstr(const char *s1, const char *s2);
/* dlmalloc functions */
struct mallinfo {
int arena; /* non-mmapped space allocated from system */
int ordblks; /* number of free chunks */
int smblks; /* number of fastbin blocks */
int hblks; /* number of mmapped regions */
int hblkhd; /* space in mmapped regions */
int usmblks; /* maximum total allocated space */
int fsmblks; /* space available in freed fastbin blocks */
int uordblks; /* total allocated space */
int fordblks; /* total free space */
int keepcost; /* top-most, releasable (via malloc_trim) space */
};
void *malloc(size_t n);
void *calloc(size_t n_elements, size_t element_size);
void free(void* p);
void *realloc(void* p, size_t n);
void *memalign(size_t alignment, size_t n);
void *valloc(size_t n);
struct mallinfo mallinfo();
int mallopt(int parameter_number, int parameter_value);
void **independent_calloc(size_t n_elements, size_t size, void* chunks[]);
void **independent_comalloc(size_t n_elements, size_t sizes[], void* chunks[]);
void *pvalloc(size_t n);
void cfree(void* p);
int malloc_trim(size_t pad);
size_t malloc_usable_size(void* p);
void malloc_stats();
#endif /* _LIB_H_ */
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