OSX/libsecurity_cryptkit/ckutils/ckutilsPlatform.h

   1 /*
   2  * Platform-dependent stuff for ckutils
   3  */
   4
   5 #ifndef _CKU_PLATFORM_H_
   6 #define _CKU_PLATFORM_H_
   7
   8 #include <string.h>
   9 #include <stdlib.h>
  10
  11 /* use this for linux compatibility testing */
  12 //#define linux 1
  13 /* end linux test */
  14
  15 /*
  16  * Make sure endianness is defined...
  17  */
  18 #if     !defined(__BIG_ENDIAN__) && !defined(__LITTLE_ENDIAN__)
  19     #if macintosh
  20         #define __BIG_ENDIAN__          1
  21     #elif defined(i386) || defined(i486) || defined(__i386__) || defined(__i486__)
  22         #define __LITTLE_ENDIAN__       1
  23     #else
  24         #error Platform dependent work needed
  25     #endif
  26 #endif  /* endian */
  27
  28 #ifdef  NeXT
  29     #import <libc.h>
  30     #define SRAND(x)            srandom(x)
  31     #define RAND()              random()
  32 #else   NeXT
  33     /*
  34      * Use stdlib only
  35      */
  36     #define SRAND(x)            srand(x)
  37     #define RAND()              rand()
  38     #define bcopy(s, d, l)      memmove(d, s, l)
  39     #define bzero(s, l)         memset(s, 0, l)
  40     #define bcmp(s, d, l)       memcmp(s, d, l)
  41 #endif
  42
  43 #ifdef  CK_NT_C_ONLY
  44
  45 /*
  46  * Standard I/O redirects for WINNT.
  47  */
  48 #define open(f, b, c)   _open(f, b, c)
  49 #define close(f)        _close(f)
  50 #define read(f, b, c)   _read(f, b, c)
  51 #define write(f, b, c)  _write(f, b, c)
  52 #define fstat(f, b)     _fstat(f, b)
  53
  54 #define O_RDONLY        _O_RDONLY
  55 #define O_WRONLY        _O_WRONLY
  56 #define O_CREAT         _O_CREAT
  57 #define O_TRUNC         _O_TRUNC
  58
  59 #endif  CK_NT_C_ONLY
  60
  61 /*
  62  * Platform-dependent timestamp stuff. For now we assume that each platform
  63  * has some kind of struct which maintains a high-resolution clock and
  64  * a function which fills that struct with the current time.
  65  */
  66 #if             macintosh
  67
  68         #include <Timer.h>
  69
  70         #define PLAT_TIME               UnsignedWide
  71         #define PLAT_GET_TIME(pt)       Microseconds(&pt)
  72         #define PLAT_GET_US(start,end)  (end.lo - start.lo)
  73
  74 #elif   linux
  75
  76         #include <sys/time.h>
  77
  78         #define PLAT_TIME               struct timeval
  79         #define PLAT_GET_TIME(pt)       gettimeofday(&pt, NULL)
  80         #define PLAT_GET_US(start,end)                                          \
  81                 ( ( ( (end.tv_sec   & 0xff) * 1000000) + end.tv_usec) -         \
  82                   ( ( (start.tv_sec & 0xff) * 1000000) + start.tv_usec) )
  83
  84 #elif   NeXT
  85
  86         #include <kern/time_stamp.h>
  87
  88         #define PLAT_TIME               struct tsval
  89         #define PLAT_GET_TIME(pt)       kern_timestamp(&pt)
  90         #define PLAT_GET_US(start,end)  (end.low_val - start.low_val)
  91
  92
  93 #elif defined(__MACH__) && defined(__APPLE__)
  94         #include <CoreFoundation/CoreFoundation.h>
  95         /* time as a double */
  96         #define PLAT_TIME                               CFAbsoluteTime
  97         #define PLAT_GET_TIME(pt)               pt = CFAbsoluteTimeGetCurrent()
  98         #define PLAT_GET_US(start,end)  \
  99                 ((end - start) * 1000000.0)
 100         #define PLAT_GET_NS(start,end)  \
 101                 ((end - start) * 1000000000.0)
 102 #else
 103     #error Platform dependent work needed
 104 #endif
 105
 106 #endif  /* _CKU_PLATFORM_H_ */