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-rw-r--r--libguile/strings.c16
1 files changed, 14 insertions, 2 deletions
diff --git a/libguile/strings.c b/libguile/strings.c
index b9963010f..cb883fa73 100644
--- a/libguile/strings.c
+++ b/libguile/strings.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995,1996,1998,2000,2001, 2004, 2006, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
+/* Copyright (C) 1995,1996,1998,2000,2001, 2004, 2006, 2008, 2009, 2010, 2011, 2012 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
@@ -436,6 +436,9 @@ scm_i_string_length (SCM str)
int
scm_i_is_narrow_string (SCM str)
{
+ if (IS_SH_STRING (str))
+ str = SH_STRING_STRING (str);
+
return !STRINGBUF_WIDE (STRING_STRINGBUF (str));
}
@@ -446,6 +449,9 @@ scm_i_is_narrow_string (SCM str)
int
scm_i_try_narrow_string (SCM str)
{
+ if (IS_SH_STRING (str))
+ str = SH_STRING_STRING (str);
+
SET_STRING_STRINGBUF (str, narrow_stringbuf (STRING_STRINGBUF (str)));
return scm_i_is_narrow_string (str);
@@ -664,6 +670,12 @@ scm_i_string_strcmp (SCM sstr, size_t start_x, const char *cstr)
void
scm_i_string_set_x (SCM str, size_t p, scm_t_wchar chr)
{
+ if (IS_SH_STRING (str))
+ {
+ p += STRING_START (str);
+ str = SH_STRING_STRING (str);
+ }
+
if (chr > 0xFF && scm_i_is_narrow_string (str))
SET_STRING_STRINGBUF (str, wide_stringbuf (STRING_STRINGBUF (str)));
@@ -2243,7 +2255,7 @@ SCM_VECTOR_IMPLEMENTATION (SCM_ARRAY_ELEMENT_TYPE_CHAR, scm_make_string)
void
scm_init_strings ()
{
- scm_nullstr = scm_i_make_string (0, NULL, 1);
+ scm_nullstr = scm_i_make_string (0, NULL, 0);
#include "libguile/strings.x"
}