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Current File : //sys/amd64/compile/hs32/modules/usr/src/sys/modules/i2c/iicbb/@/sys/libkern.h |
/*- * Copyright (c) 1992, 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. * 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. * * @(#)libkern.h 8.1 (Berkeley) 6/10/93 * $FreeBSD: release/9.1.0/sys/sys/libkern.h 235407 2012-05-13 17:10:38Z avg $ */ #ifndef _SYS_LIBKERN_H_ #define _SYS_LIBKERN_H_ #include <sys/cdefs.h> #include <sys/types.h> #ifdef _KERNEL #include <sys/systm.h> #endif #ifndef LIBKERN_INLINE #define LIBKERN_INLINE static __inline #define LIBKERN_BODY #endif /* 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]) static __inline int imax(int a, int b) { return (a > b ? a : b); } static __inline int imin(int a, int b) { return (a < b ? a : b); } static __inline long lmax(long a, long b) { return (a > b ? a : b); } static __inline long lmin(long a, long b) { return (a < b ? a : b); } static __inline u_int max(u_int a, u_int b) { return (a > b ? a : b); } static __inline u_int min(u_int a, u_int b) { return (a < b ? a : b); } static __inline quad_t qmax(quad_t a, quad_t b) { return (a > b ? a : b); } static __inline quad_t qmin(quad_t a, quad_t b) { return (a < b ? a : b); } static __inline u_long ulmax(u_long a, u_long b) { return (a > b ? a : b); } static __inline u_long ulmin(u_long a, u_long b) { return (a < b ? a : b); } static __inline off_t omax(off_t a, off_t b) { return (a > b ? a : b); } static __inline off_t omin(off_t a, off_t b) { return (a < b ? a : b); } static __inline int abs(int a) { return (a < 0 ? -a : a); } static __inline long labs(long a) { return (a < 0 ? -a : a); } static __inline quad_t qabs(quad_t a) { return (a < 0 ? -a : a); } /* Prototypes for non-quad routines. */ struct malloc_type; uint32_t arc4random(void); void arc4rand(void *ptr, u_int len, int reseed); int bcmp(const void *, const void *, size_t); void *bsearch(const void *, const void *, size_t, size_t, int (*)(const void *, const void *)); #ifndef HAVE_INLINE_FFS int ffs(int); #endif #ifndef HAVE_INLINE_FFSL int ffsl(long); #endif #ifndef HAVE_INLINE_FLS int fls(int); #endif #ifndef HAVE_INLINE_FLSL int flsl(long); #endif int fnmatch(const char *, const char *, int); int locc(int, char *, u_int); void *memchr(const void *s, int c, size_t n); int memcmp(const void *b1, const void *b2, size_t len); void qsort(void *base, size_t nmemb, size_t size, int (*compar)(const void *, const void *)); void qsort_r(void *base, size_t nmemb, size_t size, void *thunk, int (*compar)(void *, const void *, const void *)); u_long random(void); char *index(const char *, int); char *rindex(const char *, int); int scanc(u_int, const u_char *, const u_char *, int); int skpc(int, int, char *); void srandom(u_long); int strcasecmp(const char *, const char *); char *strcat(char * __restrict, const char * __restrict); int strcmp(const char *, const char *); char *strcpy(char * __restrict, const char * __restrict); size_t strcspn(const char * __restrict, const char * __restrict) __pure; char *strdup(const char *__restrict, struct malloc_type *); size_t strlcat(char *, const char *, size_t); size_t strlcpy(char *, const char *, size_t); size_t strlen(const char *); int strncasecmp(const char *, const char *, size_t); int strncmp(const char *, const char *, size_t); char *strncpy(char * __restrict, const char * __restrict, size_t); size_t strnlen(const char *, size_t); char *strsep(char **, const char *delim); size_t strspn(const char *, const char *); char *strstr(const char *, const char *); int strvalid(const char *, size_t); extern uint32_t crc32_tab[]; static __inline uint32_t crc32_raw(const void *buf, size_t size, uint32_t crc) { const uint8_t *p = (const uint8_t *)buf; while (size--) crc = crc32_tab[(crc ^ *p++) & 0xFF] ^ (crc >> 8); return (crc); } static __inline uint32_t crc32(const void *buf, size_t size) { uint32_t crc; crc = crc32_raw(buf, size, ~0U); return (crc ^ ~0U); } uint32_t calculate_crc32c(uint32_t crc32c, const unsigned char *buffer, unsigned int length); LIBKERN_INLINE void *memset(void *, int, size_t); #ifdef LIBKERN_BODY LIBKERN_INLINE void * memset(void *b, int c, size_t len) { char *bb; if (c == 0) bzero(b, len); else for (bb = (char *)b; len--; ) *bb++ = c; return (b); } #endif static __inline char * strchr(const char *p, int ch) { return (index(p, ch)); } static __inline char * strrchr(const char *p, int ch) { return (rindex(p, ch)); } /* fnmatch() return values. */ #define FNM_NOMATCH 1 /* Match failed. */ /* fnmatch() flags. */ #define FNM_NOESCAPE 0x01 /* Disable backslash escaping. */ #define FNM_PATHNAME 0x02 /* Slash must be matched by slash. */ #define FNM_PERIOD 0x04 /* Period must be matched by period. */ #define FNM_LEADING_DIR 0x08 /* Ignore /<tail> after Imatch. */ #define FNM_CASEFOLD 0x10 /* Case insensitive search. */ #define FNM_IGNORECASE FNM_CASEFOLD #define FNM_FILE_NAME FNM_PATHNAME #endif /* !_SYS_LIBKERN_H_ */