src/os_setup.h

   1 /*
   2 ** 2013 November 25
   3 **
   4 ** The author disclaims copyright to this source code.  In place of
   5 ** a legal notice, here is a blessing:
   6 **
   7 **    May you do good and not evil.
   8 **    May you find forgiveness for yourself and forgive others.
   9 **    May you share freely, never taking more than you give.
  10 **
  11 ******************************************************************************
  12 **
  13 ** This file contains pre-processor directives related to operating system
  14 ** detection and/or setup.
  15 */
  16 #ifndef SQLITE_OS_SETUP_H
  17 #define SQLITE_OS_SETUP_H
  18
  19 /*
  20 ** Figure out if we are dealing with Unix, Windows, or some other operating
  21 ** system.
  22 **
  23 ** After the following block of preprocess macros, all of SQLITE_OS_UNIX,
  24 ** SQLITE_OS_WIN, and SQLITE_OS_OTHER will defined to either 1 or 0.  One of
  25 ** the three will be 1.  The other two will be 0.
  26 */
  27 #if defined(SQLITE_OS_OTHER)
  28 #  if SQLITE_OS_OTHER==1
  29 #    undef SQLITE_OS_UNIX
  30 #    define SQLITE_OS_UNIX 0
  31 #    undef SQLITE_OS_WIN
  32 #    define SQLITE_OS_WIN 0
  33 #  else
  34 #    undef SQLITE_OS_OTHER
  35 #  endif
  36 #endif
  37 #if !defined(SQLITE_OS_UNIX) && !defined(SQLITE_OS_OTHER)
  38 #  define SQLITE_OS_OTHER 0
  39 #  ifndef SQLITE_OS_WIN
  40 #    if defined(_WIN32) || defined(WIN32) || defined(__CYGWIN__) || \
  41         defined(__MINGW32__) || defined(__BORLANDC__)
  42 #      define SQLITE_OS_WIN 1
  43 #      define SQLITE_OS_UNIX 0
  44 #    else
  45 #      define SQLITE_OS_WIN 0
  46 #      define SQLITE_OS_UNIX 1
  47 #    endif
  48 #  else
  49 #    define SQLITE_OS_UNIX 0
  50 #  endif
  51 #else
  52 #  ifndef SQLITE_OS_WIN
  53 #    define SQLITE_OS_WIN 0
  54 #  endif
  55 #endif
  56
  57 #endif /* SQLITE_OS_SETUP_H */