OSX/libsecurity_cryptkit/lib/platform.h

   1 /* Copyright (c) 1998,2011,2014 Apple Inc.  All Rights Reserved.
   2  *
   3  * NOTICE: USE OF THE MATERIALS ACCOMPANYING THIS NOTICE IS SUBJECT
   4  * TO THE TERMS OF THE SIGNED "FAST ELLIPTIC ENCRYPTION (FEE) REFERENCE
   5  * SOURCE CODE EVALUATION AGREEMENT" BETWEEN APPLE, INC. AND THE
   6  * ORIGINAL LICENSEE THAT OBTAINED THESE MATERIALS FROM APPLE,
   7  * INC.  ANY USE OF THESE MATERIALS NOT PERMITTED BY SUCH AGREEMENT WILL
   8  * EXPOSE YOU TO LIABILITY.
   9  ***************************************************************************
  10  *
  11  * platform.h - platform-dependent C functions
  12  *
  13  * Revision History
  14  * ----------------
  15  *  6 Sep 96 at NeXT
  16  *      Created.
  17  */
  18
  19 #ifndef _CK_PLATFORM_H_
  20 #define _CK_PLATFORM_H_
  21
  22 #ifdef __cplusplus
  23 extern "C" {
  24 #endif
  25
  26 #include <string.h>
  27 #include <stdlib.h>
  28
  29 /* many ways to determin macintosh - different for 68k, PPC/OS9, X */
  30 #if     defined(__POWERPC__) || defined(__CFM68K__) || defined(__APPLE__)
  31         #undef  __MAC_BUILD__
  32         #define __MAC_BUILD__   1
  33 #endif
  34
  35 /*
  36  * Make sure endianness is defined...
  37  */
  38 #if defined(__BIG_ENDIAN__) && defined(__LITTLE_ENDIAN__)
  39 #error Hey! multiply defined  endianness!
  40 #endif
  41 #if     !defined(__BIG_ENDIAN__) && !defined(__LITTLE_ENDIAN__)
  42     #if __MAC_BUILD__
  43         #define __BIG_ENDIAN__          1
  44     #elif __i386__ || __i486__
  45         #define __LITTLE_ENDIAN__       1
  46     #else
  47         #error Platform dependent work needed
  48     #endif
  49 #endif  /* endian */
  50
  51 /*
  52  * Other platform-dependent functions in platform.c.
  53  */
  54
  55 extern void CKRaise(const char *reason) __attribute__((noreturn));
  56
  57 /*
  58  * Come up with some kind of "really" random int with which to seed the
  59  * random number generator.
  60  */
  61 extern unsigned createRandomSeed(void);
  62
  63 #ifdef __cplusplus
  64 }
  65 #endif
  66
  67 #endif  /*_CK_PLATFORM_H_*/