/*
 * Copyright (c) 2001 - 2012 Apple Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 *
 * 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. 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, QUIET ENJOYMENT OR NON-INFRINGEMENT.
 * Please see the License for the specific language governing rights and
 * limitations under the License.
 *
 * @APPLE_LICENSE_HEADER_END@
 */

/*
 * Code corresponding to smb_apple.h
 */

#ifndef _NETSMB_SMB_OSDEP_H_
#define _NETSMB_SMB_OSDEP_H_

#ifndef PRIVSYM
#define PRIVSYM
#endif

#ifndef min
#define min(a, b)       (((a) < (b)) ? (a) : (b))
#endif

#define CAST_DOWN(type, addr)  (((type)((uintptr_t)(addr))))
#define USER_ADDR_NULL  ((user_addr_t)0)
#define CAST_USER_ADDR_T(a_ptr)   ((user_addr_t)(a_ptr))

/*
 * flags to (BSD) malloc
 */
#define M_WAITOK        0x0000
#define M_NOWAIT        0x0001
#define M_ZERO          0x0004          /* bzero the allocation */

/* Iconv stuff */

/*
 * Some UTF Related stuff. Will be deleting this once compiled and using
 * ienup's code.
 */
/*
 * UTF-8 encode/decode flags
 */
#define UTF_REVERSE_ENDIAN      0x01    /* reverse UCS-2 byte order */
#define UTF_NO_NULL_TERM        0x02    /* do not add null termination */
#define UTF_DECOMPOSED          0x04    /* generate fully decomposed UCS-2 */
#define UTF_PRECOMPOSED         0x08    /* generate precomposed UCS-2 */

/*
 * These are actually included in sunddi.h. I am getting compilation
 * errors right now. Adding the induvidual defines here again from sunddi.h
 * Unicode encoding conversion functions and their macros.
 */
#define UCONV_IN_BIG_ENDIAN             0x0001
#define UCONV_OUT_BIG_ENDIAN            0x0002
#define UCONV_IN_SYSTEM_ENDIAN          0x0004
#define UCONV_OUT_SYSTEM_ENDIAN         0x0008
#define UCONV_IN_LITTLE_ENDIAN          0x0010
#define UCONV_OUT_LITTLE_ENDIAN         0x0020
#define UCONV_IGNORE_NULL               0x0040
#define UCONV_IN_ACCEPT_BOM             0x0080
#define UCONV_OUT_EMIT_BOM              0x0100

extern int uconv_u8tou16(const uchar_t *, size_t *, uint16_t *, size_t *, int);

/* Legacy type names for Solaris. */
typedef uint64_t u_int64_t;
typedef uint32_t u_int32_t;
typedef uint16_t u_int16_t;
typedef uint8_t u_int8_t;

typedef const char *c_caddr_t;
typedef uint64_t        user_addr_t;
typedef ssize_t         user_ssize_t;
typedef size_t          user_size_t;

#ifdef _FAKE_KERNEL
#define ddi_get_cred()  CRED()
#endif

/*
 * Time related calls.
 */

/* BEGIN CSTYLED */
#define timespeccmp(tvp, uvp, cmp)                                      \
        (((tvp)->tv_sec == (uvp)->tv_sec) ?                             \
        ((tvp)->tv_nsec cmp (uvp)->tv_nsec) :                           \
        ((tvp)->tv_sec cmp (uvp)->tv_sec))
/* END CSTYLED */

#define timespecadd(vvp, uvp)                                           \
        {                                                               \
                (vvp)->tv_sec += (uvp)->tv_sec;                         \
                (vvp)->tv_nsec += (uvp)->tv_nsec;                       \
                if ((vvp)->tv_nsec >= 1000000000) {                     \
                        (vvp)->tv_sec++;                                \
                        (vvp)->tv_nsec -= 1000000000;                   \
                }                                                       \
        }

#define timespecsub(vvp, uvp)                                           \
        {                                                               \
                (vvp)->tv_sec -= (uvp)->tv_sec;                         \
                (vvp)->tv_nsec -= (uvp)->tv_nsec;                       \
                if ((vvp)->tv_nsec < 0) {                               \
                        (vvp)->tv_sec--;                                \
                        (vvp)->tv_nsec += 1000000000;                   \
                }                                                       \
        }

#endif /* _NETSMB_SMB_OSDEP_H_ */