KWSys 2014-03-03 (b1916e0a)

Extract upstream KWSys using the following shell commands.

$ git archive --prefix=upstream-kwsys/ b1916e0a | tar x
$ git shortlog --no-merges --abbrev=8 --format='%h %s' 606d7d6f..b1916e0a
Adrien Destugues (1):
      b1916e0a SystemInformation: Update CPU count code for Haiku

Clinton Stimpson (3):
      0d8ef429 Encoding:  Help enforce the use of wide apis on Windows.
      cfbc1cc8 FStream: Remove unused basic_filebuf declaration.
      b3b20cc0 FStream: Add ability to detect BOM.

Jiri Malak (1):
      e66d99b8 SystemTools: Fix compilation with Open Watcom

Matt McCormick (1):
      b3db597b SystemInformation: Mark EXECINFO_LIB as advanced

Change-Id: I154a92be7a3ec4c7c12bffbfcd7b50ec7de53c5f

1 files changed, 18 insertions, 3 deletions

diff --git a/FStream.hxx.in b/FStream.hxx.in
index 916a93e..45425ff 100644
--- a/FStream.hxx.in
+++ b/FStream.hxx.in
@@ -161,13 +161,28 @@ class basic_ofstream : public std::basic_ostream<CharType,Traits>
   typedef basic_ofstream<char> ofstream;
 
 #else
-  using @KWSYS_NAMESPACE@_ios_namespace::basic_filebuf;
   using @KWSYS_NAMESPACE@_ios_namespace::ofstream;
   using @KWSYS_NAMESPACE@_ios_namespace::ifstream;
 #endif
 
+  namespace FStream
+  {
+    enum BOM
+    {
+      BOM_None,
+      BOM_UTF8,
+      BOM_UTF16BE,
+      BOM_UTF16LE,
+      BOM_UTF32BE,
+      BOM_UTF32LE
+    };
+
+    // Read a BOM, if one exists.
+    // If a BOM exists, the stream is advanced to after the BOM.
+    // This function requires a seekable stream (but not a relative
+    // seekable stream).
+    BOM ReadBOM(std::istream& in);
+  }
 }
 
-
-
 #endif