X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/1c79356b52d46aa6b508fb032f5ae709b1f2897b..c18c124eaa464aaaa5549e99e5a70fc9cbb50944:/bsd/libkern/libkern.h diff --git a/bsd/libkern/libkern.h b/bsd/libkern/libkern.h index 25511e503..651a01390 100644 --- a/bsd/libkern/libkern.h +++ b/bsd/libkern/libkern.h @@ -1,23 +1,29 @@ /* - * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. + * Copyright (c) 2000-2012 Apple Inc. All rights reserved. * - * @APPLE_LICENSE_HEADER_START@ + * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * - * The contents of this file constitute Original Code as defined in and - * are subject to the Apple Public Source License Version 1.1 (the - * "License"). You may not use this file except in compliance with the - * License. Please obtain a copy of the License at - * http://www.apple.com/publicsource and read it before using this file. + * This file contains Original Code and/or Modifications of Original Code + * as defined in and that are subject to the Apple Public Source License + * Version 2.0 (the 'License'). You may not use this file except in + * compliance with the License. The rights granted to you under the License + * may not be used to create, or enable the creation or redistribution of, + * unlawful or unlicensed copies of an Apple operating system, or to + * circumvent, violate, or enable the circumvention or violation of, any + * terms of an Apple operating system software license agreement. * - * This Original Code and all software distributed under the License are - * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER + * Please obtain a copy of the License at + * http://www.opensource.apple.com/apsl/ and read it before using this file. + * + * The Original Code and all software distributed under the License are + * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the - * License for the specific language governing rights and limitations - * under the License. + * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. + * Please see the License for the specific language governing rights and + * limitations under the License. * - * @APPLE_LICENSE_HEADER_END@ + * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ /*- * Copyright (c) 1992, 1993 @@ -53,22 +59,39 @@ * * @(#)libkern.h 8.1 (Berkeley) 6/10/93 */ +/* + * NOTICE: This file was modified by SPARTA, Inc. in 2005 to introduce + * support for mandatory and extensible security protections. This notice + * is included in support of clause 2.2 (b) of the Apple Public License, + * Version 2.0. + */ #ifndef _LIBKERN_LIBKERN_H_ #define _LIBKERN_LIBKERN_H_ +#include +#include +#include /* for platform-specific va_list */ +#include #include #include +#include + +#ifdef __APPLE_API_OBSOLETE /* BCD conversions. */ extern u_char const bcd2bin_data[]; extern u_char const bin2bcd_data[]; -extern char const hex2ascii_data[]; #define bcd2bin(bcd) (bcd2bin_data[bcd]) #define bin2bcd(bin) (bin2bcd_data[bin]) -#define hex2ascii(hex) (hex2ascii_data[hex]) +#endif /* __APPLE_API_OBSOLETE */ +#ifdef __APPLE_API_PRIVATE +extern char const hex2ascii_data[]; + +#define hex2ascii(hex) (hex2ascii_data[hex]) +#endif /* __APPLE_API_PRIVATE */ __BEGIN_DECLS static inline int @@ -101,30 +124,89 @@ min(u_int a, u_int b) { return (a < b ? a : b); } -static inline u_long -ulmax(u_long a, u_long b) +static inline u_int32_t +ulmax(u_int32_t a, u_int32_t b) { return (a > b ? a : b); } -static inline u_long -ulmin(u_long a, u_long b) +static inline u_int32_t +ulmin(u_int32_t a, u_int32_t b) { return (a < b ? a : b); } + + /* Prototypes for non-quad routines. */ -int bcmp __P((const void *, const void *, size_t)); -int ffs __P((int)); -int locc __P((int, char *, u_int)); -u_long random __P((void)); -char *rindex __P((const char *, int)); -int scanc __P((u_int, u_char *, u_char *, int)); -int skpc __P((int, int, char *)); -char *strcat __P((char *, const char *)); -char *strcpy __P((char *, const char *)); -size_t strlen __P((const char *)); -char *strncpy __P((char *, const char *, size_t)); -long strtol __P((const char*, char **, int)); +extern int ffs(int); +extern u_int32_t random(void); +extern int scanc(u_int, u_char *, const u_char *, int); +extern int skpc(int, int, char *); +extern long strtol(const char*, char **, int); +extern u_long strtoul(const char *, char **, int); +extern quad_t strtoq(const char *, char **, int); +extern u_quad_t strtouq(const char *, char **, int); +extern char *strsep(char **, const char *); +extern void *memchr(const void *, int, size_t); + +int snprintf(char *, size_t, const char *, ...) __printflike(3,4); + +/* sprintf() is being deprecated. Please use snprintf() instead. */ +int sprintf(char *bufp, const char *, ...) __deprecated; +int sscanf(const char *, char const *, ...) __scanflike(2,3); +int printf(const char *, ...) __printflike(1,2); + +#if KERNEL_PRIVATE +int _consume_printf_args(int, ...); +#endif + +#if CONFIG_NO_PRINTF_STRINGS +#if KERNEL_PRIVATE +#define printf(x, ...) _consume_printf_args( 0, ## __VA_ARGS__ ) +#else +#define printf(x, ...) do {} while (0) +#endif +#endif + +uint32_t crc32(uint32_t crc, const void *bufp, size_t len); + +int copystr(const void *kfaddr, void *kdaddr, size_t len, size_t *done); +int copyinstr(const user_addr_t uaddr, void *kaddr, size_t len, size_t *done); +int copyoutstr(const void *kaddr, user_addr_t udaddr, size_t len, size_t *done); +int copyin(const user_addr_t uaddr, void *kaddr, size_t len); +int copyout(const void *kaddr, user_addr_t udaddr, size_t len); + +int vsscanf(const char *, char const *, va_list); + +extern int vprintf(const char *, va_list); +extern int vsnprintf(char *, size_t, const char *, va_list); + +/* vsprintf() is being deprecated. Please use vsnprintf() instead. */ +extern int vsprintf(char *bufp, const char *, va_list) __deprecated; + +#ifdef KERNEL_PRIVATE +extern void invalidate_icache(vm_offset_t, unsigned, int); +extern void flush_dcache(vm_offset_t, unsigned, int); +#else +extern void invalidate_icache(vm_offset_t, unsigned, int); +extern void flush_dcache(vm_offset_t, unsigned, int); +#endif +extern void invalidate_icache64(addr64_t, unsigned, int); +extern void flush_dcache64(addr64_t, unsigned, int); + + +/* + * assembly versions of clz... ideally we would just call + * __builtin_clz(num), unfortunately this one is ill defined + * by gcc for num=0 + */ +static __inline__ unsigned int +clz(unsigned int num) +{ + return num?__builtin_clz(num):__builtin_clz(0); +} + + __END_DECLS #endif /* _LIBKERN_LIBKERN_H_ */