src/msw/wince/crt.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wince/crt.cpp
   3 // Purpose:     Implementation of CRT functions missing under Windows CE
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     03.04.04
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 2004 Vadim Zeitlin <vadim@wxwindows.org>
   9 // Licence:     wxWindows licence
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 #include "wx/wxprec.h"
  13
  14 #ifdef __BORLANDC__
  15   #pragma hdrstop
  16 #endif
  17
  18 #ifndef WX_PRECOMP
  19     #include "wx/app.h"
  20 #endif
  21
  22 #include "wx/msw/wince/missing.h"
  23
  24 extern "C" void *
  25 bsearch(const void *key, const void *base, size_t num, size_t size,
  26         int (wxCMPFUNC_CONV *cmp)(const void *, const void *))
  27 {
  28     int res;
  29     char *mid;
  30
  31     char *lo = (char *)base;
  32     char *hi = lo + num*size;
  33     while ( lo < hi )
  34     {
  35         mid = lo + (hi - lo)/2;
  36
  37         res = (*cmp)(key, mid);
  38         if ( res < 0 )
  39             hi = mid;
  40         else if ( res > 0 )
  41             lo = mid + size;
  42         else // res == 0
  43             return mid;
  44     }
  45
  46     return NULL;
  47 }
  48
  49 extern "C"
  50 void abort()
  51 {
  52     wxString name;
  53     if ( wxTheApp )
  54         name = wxTheApp->GetAppDisplayName();
  55     if ( name.empty() )
  56         name = L"wxWidgets Application";
  57
  58     MessageBox(NULL, L"Abnormal program termination", name, MB_ICONHAND | MB_OK);
  59
  60     _exit(3);
  61 //    ::ExitProcess(3);
  62 }
  63
  64 extern "C"
  65 char *getenv(const char * WXUNUSED(name))
  66 {
  67     // no way to implement it in Unicode-only environment without using
  68     // wxCharBuffer and it is of no use in C code which uses this function
  69     // (libjpeg)
  70     return NULL;
  71 }
  72
  73 int wxCRT_Rename(const wchar_t *src, const wchar_t *dst)
  74 {
  75     return ::MoveFile(src, dst) ? 0 : -1;
  76 }
  77
  78 int wxCRT_Remove(const wchar_t *path)
  79 {
  80     return ::DeleteFile(path) ? 0 : -1;
  81 }
  82