Merge branch 'pan/unicode-filenames/OTP-8887' into dev

* pan/unicode-filenames/OTP-8887: (27 commits)
  Test and correct filelib and filename
  Add documentation to erlang.xml and slight correction to unicode_usage.xml
  Add section about Unicode file names to stdlib users guide
  Correct bug in file_name_SUITE making it fail on Unix instead of Windows7
  Add documentation about raw filenames and Unicode file name translation mode
  Make filelib not crash on re codepoints beyond 255 in re when filename is raw
  Mend on_load_embedded testcase which did not handle windows links
  Correct testcase regarding windows versions supporting soft links.
  Teach filelib to use re in unicode mode when filenames are not raw
  Treat soft links on Windows correctly in file_name_SUITE
  Adapt new soft and hard link routines on Windos to Unicode
  Corrected testcases broken by unicode filenames
  Update preloaded prim_file
  Teach prim_file not to accept atoms and not to throw exceptions
  Adapt inet_drv to Visual Studio 2008
  Teach spawn_executable about Unicode
  Convert filenames read on MacOSX to canonical form
  Teach file to accept codepoints beyond 255.
  Add testcases
  Correct shell utilities to handle unicode and possibly binaries
  ...

1 files changed, 13 insertions, 0 deletions

diff --git a/erts/emulator/beam/global.h b/erts/emulator/beam/global.h
index 89c6625550..524db2a2eb 100644
--- a/erts/emulator/beam/global.h
+++ b/erts/emulator/beam/global.h
@@ -1596,6 +1596,19 @@ Sint erts_binary_set_loop_limit(Sint limit);
 /* erl_unicode.c */
 void erts_init_unicode(void);
 Sint erts_unicode_set_loop_limit(Sint limit);
+
+void erts_native_filename_put(Eterm ioterm, int encoding, byte *p) ;
+Sint erts_native_filename_need(Eterm ioterm, int encoding);
+void erts_copy_utf8_to_utf16_little(byte *target, byte *bytes, int num_chars);
+int erts_analyze_utf8(byte *source, Uint size, 
+			byte **err_pos, Uint *num_chars, int *left);
+char *erts_convert_filename_to_native(Eterm name, ErtsAlcType_t alloc_type, int allow_empty);
+
+#define ERTS_UTF8_OK 0
+#define ERTS_UTF8_INCOMPLETE 1
+#define ERTS_UTF8_ERROR 2
+#define ERTS_UTF8_ANALYZE_MORE 3
+
 /* erl_trace.c */
 void erts_init_trace(void);
 void erts_trace_check_exiting(Eterm exiting);