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Implement 'string-utf8-length' and 'scm_c_string_utf8_length'.

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* libguile/strings.c (utf8_length, scm_c_string_utf8_length)
  (scm_string_utf8_length): New functions.
* libguile/strings.h (scm_c_string_utf8_length, scm_string_utf8_length):
  New prototypes.
* doc/ref/api-data.texi (Bytevectors as Strings): Add docs.
* doc/ref/guile.texi: Update manual copyright date to 2015.
* test-suite/tests/strings.test (string-utf8-length): Add tests.
This commit is contained in:
Mark H Weaver 2015-01-22 01:22:19 -05:00
parent 00d3ecf274
commit 9f0ec10fc9
5 changed files with 64 additions and 6 deletions
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8
doc/ref/api-data.texi
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@ -1,6 +1,6 @@
@c -*-texinfo-*-
@c This is part of the GNU Guile Reference Manual.
@c Copyright (C) 1996, 1997, 2000-2004, 2006-2014
@c Copyright (C) 1996, 1997, 2000-2004, 2006-2015
@c Free Software Foundation, Inc.
@c See the file guile.texi for copying conditions.
@ -4966,6 +4966,12 @@ in one of the most commonly available encoding formats.
@result{} #vu8(99 97 102 195 169)
@end lisp
@deftypefn {Scheme Procedure} {} string-utf8-length str
@deftypefnx {C function} SCM scm_string_utf8_length (str)
@deftypefnx {C function} size_t scm_c_string_utf8_length (str)
Return the number of bytes in the UTF-8 representation of @var{str}.
@end deftypefn
@deffn {Scheme Procedure} string->utf8 str
@deffnx {Scheme Procedure} string->utf16 str [endianness]
@deffnx {Scheme Procedure} string->utf32 str [endianness]

2
doc/ref/guile.texi
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@ -14,7 +14,7 @@
This manual documents Guile version @value{VERSION}.
Copyright (C) 1996, 1997, 2000, 2001, 2002, 2003, 2004, 2005, 2009,
2010, 2011, 2012, 2013, 2014 Free Software Foundation.
2010, 2011, 2012, 2013, 2014, 2015 Free Software Foundation.
Permission is granted to copy, distribute and/or modify this document
under the terms of the GNU Free Documentation License, Version 1.3 or