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      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_ */
     78