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Diffstat (limited to 'mini-os/h/lib.h')
| -rw-r--r-- | mini-os/h/lib.h | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/mini-os/h/lib.h b/mini-os/h/lib.h new file mode 100644 index 0000000000..48140ab79d --- /dev/null +++ b/mini-os/h/lib.h @@ -0,0 +1,129 @@ +/* -*- 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_ */ |