isMJD.c

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#include "libFireBird.h"
 
bool isMJD(dword MJD)
{
  TRACEENTER();
 
  //Check minute
  if((MJD & 0xff) > 59)
  {
    TRACEEXIT();
    return FALSE;
  }
 
  //Check hour
  if(((MJD >> 8) & 0xff) > 23)
  {
    TRACEEXIT();
    return FALSE;
  }
 
  //Check date (2005 to 2038)
  if((((MJD >> 16) & 0xffff) < 0xD07B) || (((MJD >> 16) & 0xffff) > 0xFF90))
  {
    TRACEEXIT();
    return FALSE;
  }
 
  TRACEEXIT();
  return TRUE;
}