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Revert: Revert r227804: Use fseek/ftell instead of fseeko/ftello when Newlib is the libc

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EricWF has updated the compilers on his buildbots. Hopefully they won't crash now.

llvm-svn: 227971
This commit is contained in:
Jonathan Roelofs 2015-02-03 15:34:17 +00:00
parent eb29c68df2
commit 07d9d76a2d
2 changed files with 8 additions and 3 deletions
libcxx/include
fstreamiosfwd

6
libcxx/include/fstream

@ -807,7 +807,7 @@ basic_filebuf<_CharT, _Traits>::seekoff(off_type __off, ios_base::seekdir __way,
default:
return pos_type(off_type(-1));
}
#if _WIN32
#if defined(_WIN32) || defined(_NEWLIB_VERSION)
if (fseek(__file_, __width > 0 ? __width * __off : 0, __whence))
return pos_type(off_type(-1));
pos_type __r = ftell(__file_);
@ -826,7 +826,7 @@ basic_filebuf<_CharT, _Traits>::seekpos(pos_type __sp, ios_base::openmode)
{
if (__file_ == 0 || sync())
return pos_type(off_type(-1));
#if _WIN32
#if defined(_WIN32) || defined(_NEWLIB_VERSION)
if (fseek(__file_, __sp, SEEK_SET))
return pos_type(off_type(-1));
#else
@ -891,7 +891,7 @@ basic_filebuf<_CharT, _Traits>::sync()
}
}
}
#if _WIN32
#if defined(_WIN32) || defined(_NEWLIB_VERSION)
if (fseek(__file_, -__c, SEEK_CUR))
return -1;
#else

5
libcxx/include/iosfwd

@ -180,7 +180,12 @@ typedef fpos<mbstate_t> u16streampos;
typedef fpos<mbstate_t> u32streampos;
#endif // _LIBCPP_HAS_NO_UNICODE_CHARS
#if defined(_NEWLIB_VERSION)
// On newlib, off_t is 'long int'
typedef long int streamoff; // for char_traits in <string>
#else
typedef long long streamoff; // for char_traits in <string>
#endif
template <class _CharT, // for <stdexcept>
class _Traits = char_traits<_CharT>,