kc3-lang/gnulib/lib/getpagesize.h

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• Hash : 167efa0d
  Author :
  Date : 2000-02-14T20:15:32
  

  adapted from changes to grep getpagesize.h
  by Martin P.J. Zinser <zinser@decus.de>.
  

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• lib/getpagesize.h

• /* Emulate getpagesize on systems that lack it.  */
  
  #ifndef HAVE_GETPAGESIZE
  
  #ifdef HAVE_UNISTD_H
  # include <unistd.h>
  #endif
  
  #if !defined getpagesize && defined _SC_PAGESIZE
  # if !(defined VMS && __VMS_VER < 70000000)
  #  define getpagesize() sysconf (_SC_PAGESIZE)
  # endif
  #endif
  
  #if !defined getpagesize && defined VMS
  # ifdef __ALPHA
  #  define getpagesize() 8192
  # else
  #  define getpagesize() 512
  # endif
  #endif
  
  #ifndef getpagesize
  # include <sys/param.h>
  # ifdef EXEC_PAGESIZE
  #  define getpagesize() EXEC_PAGESIZE
  # else
  #  ifdef NBPG
  #   ifndef CLSIZE
  #    define CLSIZE 1
  #   endif
  #   define getpagesize() (NBPG * CLSIZE)
  #  else
  #   ifdef NBPC
  #    define getpagesize() NBPC
  #   endif
  #  endif
  # endif
  #endif
  
  #endif /* not HAVE_GETPAGESIZE */
  

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