#!/usr/bin/python
import sys, os
diffprogram = '/usr/bin/vimdiff'
fn_old = sys.argv[6]
fn_working_copy = sys.argv[7]
# arrange the args in the order diffprogram expects them
args = ['mydiff', '-d', fn_old, fn_working_copy]
os.execv(diffprogram, args)

#!/bin/sh

# svndiff -- svn diff with vimdiff.
#
# Written by Erik C. Thauvin (erik@thauvin.net)
# May 11, 2006
#
# Copyright (C) 2006 Erik C. Thauvin. All rights reserved.
#
# This software is provided "as is" without express or implied warranties.
#
# Permission is granted to use, copy, modify and distribute this software,
# provided this disclaimer and copyright are preserved on all copies. This
# software may not, however, be sold or distributed for profit, or included
# with other software which is sold or distributed for profit, without the
# permission of the author.
#
# $Id$
#
# Modified by felix021 (felix021@gmail.com)
# Aug 3, 2010

PROGNAME=`basename $0`

if [ $# -lt 1 ]; then
    echo "Usage: $PROGNAME <file> [-r REV]"
    exit;
fi

filename=$1
pid=$$
TEMP=/tmp/tmp.$pid.$filename
pv=

if [ $# -gt 3 -a $2 = "-r" ]; then
    pv="-r $3"
fi
svn cat $filename $pv > $TEMP
vimdiff $TEMP $filename
rm -f $TEMP

#include <winbase.h>
#define UNICODE
#include <comdef.h>
#ifndef ULONG_PTR
#define ULONG_PTR unsigned long*
#include <GdiPlus.h>
using namespace Gdiplus;
#endif

GdiplusStartupInput gdiplusStartupInput;
ULONG_PTR          gdiplusToken;

GdiplusShutdown(gdiplusToken);

Bitmap *pBitmap = new Bitmap(width, height, PixelFormat24bppRGB);

Graphics *g = Graphics::FromImage(pBitmap);

Pen pen_black(Color(255, 0, 0, 0), 3);
g->DrawLine(&pen_black, 0, 0, 100, 100);

int GetEncoderClsid(const WCHAR* format, CLSID* pClsid)
{
  UINT num= 0, size= 0;

  ImageCodecInfo* pImageCodecInfo= NULL;
  GetImageEncodersSize(&num, &size);
  if(size== 0)
    return -1;
  pImageCodecInfo= (ImageCodecInfo*)(malloc(size));
  if(pImageCodecInfo== NULL)
    return -1;

  GetImageEncoders(num, size, pImageCodecInfo);
  for(UINT j=0; j< num; ++j)
  {
    if(wcscmp(pImageCodecInfo[j].MimeType, format)== 0)
    {
      *pClsid= pImageCodecInfo[j].Clsid;
      free(pImageCodecInfo);
      return j;
    }
  }
  free(pImageCodecInfo);
  return -1;
}

......

CLSID encoder;
GetEncoderClsid(L"image/png", &encoder); // L"image/jpeg", ...
pb->Save(L"result.png", &encoder, NULL);

int errno;

#define errno (*__errno_location ())

int *
#if ! USE___THREAD
weak_const_function
#endif
__errno_location (void)                                                                                                                                     
{
  return &errno;
}

__thread int errno;