crossmingw32-gcc-lfs.patch

   1 diff -r faddb1a6e933 libstdc++-v3/config/io/basic_file_stdio.cc
   2 --- a/libstdc++-v3/config/io/basic_file_stdio.cc        Fri Jul 31 08:58:42 2009 -0600
   3 +++ b/libstdc++-v3/config/io/basic_file_stdio.cc        Fri Jul 31 13:09:27 2009 -0600
   4 @@ -224,16 +224,16 @@
   5        }
   6      return __ret;
   7    }
   8 -
   9 -  __basic_file<char>*
  10 -  __basic_file<char>::open(const char* __name, ios_base::openmode __mode,
  11 +
  12 +  __basic_file<char>*
  13 +  __basic_file<char>::open(const char* __name, ios_base::openmode __mode,
  14                            int /*__prot*/)
  15    {
  16      __basic_file* __ret = NULL;
  17      const char* __c_mode = fopen_mode(__mode);
  18      if (__c_mode && !this->is_open())
  19        {
  20 -#ifdef _GLIBCXX_USE_LFS
  21 +#if defined(_GLIBCXX_USE_LFS) || defined(__MINGW32__)
  22         if ((_M_cfile = fopen64(__name, __c_mode)))
  23  #else
  24         if ((_M_cfile = fopen(__name, __c_mode)))
  25 @@ -317,7 +317,7 @@
  26    streamoff
  27    __basic_file<char>::seekoff(streamoff __off, ios_base::seekdir __way)
  28    {
  29 -#ifdef _GLIBCXX_USE_LFS
  30 +#if defined(_GLIBCXX_USE_LFS) || defined(__MINGW32__)
  31      return lseek64(this->fd(), __off, __way);
  32  #else
  33      if (__off > numeric_limits<off_t>::max()
  34 @@ -366,6 +366,15 @@
  35                                                            ios_base::cur);
  36         return std::min(__off, streamoff(numeric_limits<streamsize>::max()));
  37        }
  38 +#elif defined(__MINGW32__)
  39 +    struct _stati64 __buffer;
  40 +    const int __err = _fstati64(this->fd(), &__buffer);
  41 +    if (!__err && _GLIBCXX_ISREG(__buffer.st_mode))
  42 +      {
  43 +       const streamoff __off = __buffer.st_size - lseek64(this->fd(), 0,
  44 +                                                          ios_base::cur);
  45 +       return std::min(__off, streamoff(numeric_limits<streamsize>::max()));
  46 +      }
  47  #else
  48      struct stat __buffer;
  49      const int __err = fstat(this->fd(), &__buffer);
  50 diff -r faddb1a6e933 libstdc++-v3/include/ext/stdio_sync_filebuf.h
  51 --- a/libstdc++-v3/include/ext/stdio_sync_filebuf.h     Fri Jul 31 08:58:42 2009 -0600
  52 +++ b/libstdc++-v3/include/ext/stdio_sync_filebuf.h     Fri Jul 31 13:09:27 2009 -0600
  53 @@ -163,7 +163,7 @@
  54           __whence = SEEK_CUR;
  55         else
  56           __whence = SEEK_END;
  57 -#ifdef _GLIBCXX_USE_LFS
  58 +#if defined(_GLIBCXX_USE_LFS) || defined(__MINGW32__)
  59         if (!fseeko64(_M_file, __off, __whence))
  60           __ret = std::streampos(ftello64(_M_file));
  61  #else