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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 • committed by Andy Wingo
parent 751a55e355
commit e390e5760b
5 changed files with 63 additions and 6 deletions
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5
libguile/strings.h
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@ -3,7 +3,8 @@
#ifndef SCM_STRINGS_H
#define SCM_STRINGS_H
/* Copyright (C) 1995,1996,1997,1998,2000,2001, 2004, 2005, 2006, 2008, 2009, 2010, 2011, 2013 Free Software Foundation, Inc.
/* Copyright (C) 1995-1998, 2000, 2001, 2004-2006, 2008-2011, 2013,
* 2015-2016 Free Software Foundation, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
@ -107,6 +108,7 @@ SCM_API SCM scm_string_p (SCM x);
SCM_API SCM scm_string (SCM chrs);
SCM_API SCM scm_make_string (SCM k, SCM chr);
SCM_API SCM scm_string_length (SCM str);
SCM_API SCM scm_string_utf8_length (SCM str);
SCM_API SCM scm_string_bytes_per_char (SCM str);
SCM_API SCM scm_string_ref (SCM str, SCM k);
SCM_API SCM scm_string_set_x (SCM str, SCM k, SCM chr);
@ -120,6 +122,7 @@ SCM_API SCM scm_from_stringn (const char *str, size_t len, const char *encoding,
scm_t_string_failed_conversion_handler handler);
SCM_API SCM scm_c_make_string (size_t len, SCM chr);
SCM_API size_t scm_c_string_length (SCM str);
SCM_API size_t scm_c_string_utf8_length (SCM str);
SCM_API size_t scm_c_symbol_length (SCM sym);
SCM_API SCM scm_c_string_ref (SCM str, size_t pos);
SCM_API void scm_c_string_set_x (SCM str, size_t pos, SCM chr);