[libcxx] r227804 - Use fseek/ftell instead of fseeko/ftello when Newlib is the libc
Jonathan Roelofs
jonathan at codesourcery.com
Mon Feb 2 07:04:29 PST 2015
Author: jroelofs
Date: Mon Feb 2 09:04:29 2015
New Revision: 227804
URL: http://llvm.org/viewvc/llvm-project?rev=227804&view=rev
Log:
Use fseek/ftell instead of fseeko/ftello when Newlib is the libc
http://reviews.llvm.org/D6626
Modified:
libcxx/trunk/include/fstream
libcxx/trunk/include/iosfwd
Modified: libcxx/trunk/include/fstream
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/fstream?rev=227804&r1=227803&r2=227804&view=diff
==============================================================================
--- libcxx/trunk/include/fstream (original)
+++ libcxx/trunk/include/fstream Mon Feb 2 09:04:29 2015
@@ -807,7 +807,7 @@ basic_filebuf<_CharT, _Traits>::seekoff(
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(
{
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
Modified: libcxx/trunk/include/iosfwd
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/iosfwd?rev=227804&r1=227803&r2=227804&view=diff
==============================================================================
--- libcxx/trunk/include/iosfwd (original)
+++ libcxx/trunk/include/iosfwd Mon Feb 2 09:04:29 2015
@@ -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>,
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