xdelta

#include <windows.h>

Ladies and Gents,
Version 3.0h runs on Windows.
Please head straight for the latest download of your choice:

Source
Windows x86-32
OSX PPC

I thought I'd share this first and test it later, let you be the judge.

There are not a lot of platform dependencies. The main() routine has helpful options:

• /DXD3_STDIO=1 builds with portable I/O routines
  
• /DEXTERNAL_COMPRESSION=0 builds without external compression, which requires POSIX system calls

A call to gettimeofday() had to be replaced:

static long
get_millisecs_now (void)
{
#ifndef WIN32
  struct timeval tv;
  gettimeofday (& tv, NULL);
  return (tv.tv_sec) * 1000L + (tv.tv_usec) / 1000;
#else
  SYSTEMTIME st;
  FILETIME ft;
  __int64 *pi = (__int64*)&ft;
  GetLocalTime(&st);
  SystemTimeToFileTime(&st, &ft);
  return (long)((*pi) / 10000);
#endif
}

The remaining changes were minimal, such as the printf format string for 64bit file offsets. I haven't run a 64bit test on Windows—I was too busy posting this. :-)

Please file issues here or send mail to <josh.macdonald@gmail.com>.

(Thanks to TortoiseSVN for keeping us in sync.)