external/bsd/iscsi/dist/include/compat.h

   1 #ifndef COMPAT_H_
   2 #define COMPAT_H_
   3
   4 #include "config.h"
   5
   6 #include <sys/types.h>
   7
   8 #ifdef HAVE_STDINT_H
   9 #include <stdint.h>
  10 #endif
  11
  12 #ifdef HAVE_ASM_BYTEORDER_H
  13 #include <asm/byteorder.h>
  14 #endif
  15
  16 #ifdef HAVE_SYS_BYTEORDER_H
  17 #  include <sys/byteorder.h>
  18 #  if defined(_BIG_ENDIAN) && !defined(_LITTLE_ENDIAN)
  19 #    undef _BIG_ENDIAN
  20 #    define _BIG_ENDIAN 4321
  21 #    define _BYTE_ORDER _BIG_ENDIAN
  22 #  elif defined(_LITTLE_ENDIAN) && !defined(_BIG_ENDIAN)
  23 #    undef _LITTLE_ENDIAN
  24 #    define _LITTLE_ENDIAN      1234
  25 #    define _BYTE_ORDER _LITTLE_ENDIAN
  26 #  endif
  27 #endif
  28
  29 #ifdef HAVE_BYTESWAP_H
  30 #include <byteswap.h>
  31 #endif
  32
  33 #ifdef HAVE_MACHINE_ENDIAN_H
  34 #include <machine/endian.h>
  35 #endif
  36
  37 #ifdef HAVE_LIBKERN_OSBYTEORDER_H
  38 #include <libkern/OSByteOrder.h>
  39 #endif
  40
  41 #ifndef HAVE_STRLCPY
  42 size_t strlcpy(char *, const char *, size_t);
  43 #endif
  44
  45 #ifndef __UNCONST
  46 #define __UNCONST(a)    ((void *)(unsigned long)(const void *)(a))
  47 #endif
  48
  49 #ifdef HAVE_HTOBE64
  50 #  define ISCSI_HTOBE64(x)      htobe64(x)
  51 #  define ISCSI_BE64TOH(x)      be64toh(x)
  52 #else
  53 #  if defined(HAVE_LIBKERN_OSBYTEORDER_H)
  54 #    define ISCSI_HTOBE64(x)    (x) = OSSwapBigToHostInt64((u_int64_t)(x))
  55 #  elif _BYTE_ORDER == _BIG_ENDIAN
  56 #    define ISCSI_HTOBE64(x)    (x)
  57 #  elif defined(HAVE___BSWAP64)
  58 #    define ISCSI_HTOBE64(x)    (x) = __bswap64((u_int64_t)(x))
  59 #  else   /* LITTLE_ENDIAN */
  60 #    define ISCSI_HTOBE64(x)    (((uint64_t)(ISCSI_NTOHL((uint32_t)(((x) << 32) >> 32))) << 32) | (uint32_t)ISCSI_NTOHL(((uint32_t)((x) >> 32))))
  61 #  endif  /* LITTLE_ENDIAN */
  62 #  define ISCSI_BE64TOH(x)      ISCSI_HTOBE64(x)
  63 #endif
  64
  65 #ifndef _DIAGASSERT
  66 #  ifndef __static_cast
  67 #  define __static_cast(x,y) (x)y
  68 #  endif
  69 #define _DIAGASSERT(e) (__static_cast(void,0))
  70 #endif
  71
  72 /* Added for busybox, which doesn't define INFTIM */
  73 #ifndef INFTIM
  74 #define INFTIM  -1
  75 #endif
  76
  77 #endif /* COMPAT_H_ */