X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fmbiter.h;h=b274da747e8f823375a6f570bd539b95488c7230;hb=4565266f776db0d78b2c207a5fe79f929f9806ca;hp=92315c56f56e090f13bfe168f33c806dbaf2b65b;hpb=c22782c471b00dc5753385858e245fd328efaefd;p=gnulib.git
diff --git a/lib/mbiter.h b/lib/mbiter.h
index 92315c56f..b274da747 100644
--- a/lib/mbiter.h
+++ b/lib/mbiter.h
@@ -1,10 +1,10 @@
/* Iterating through multibyte strings: macros for multi-byte encodings.
- Copyright (C) 2001, 2005 Free Software Foundation, Inc.
+ Copyright (C) 2001, 2005, 2007 Free Software Foundation, Inc.
- This program is free software; you can redistribute it and/or modify
+ This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2, or (at your option)
- any later version.
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -12,8 +12,7 @@
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software Foundation,
- Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ along with this program. If not, see . */
/* Written by Bruno Haible . */
@@ -65,6 +64,9 @@
mbi_reloc (iter, ptrdiff)
relocates iterator when the string is moved by ptrdiff bytes.
+ mbi_copy (&destiter, &srciter)
+ copies srciter to destiter.
+
Here are the function prototypes of the macros.
extern void mbi_init (mbi_iterator_t iter,
@@ -74,6 +76,7 @@
extern mbchar_t mbi_cur (mbi_iterator_t iter);
extern const char * mbi_cur_ptr (mbi_iterator_t iter);
extern void mbi_reloc (mbi_iterator_t iter, ptrdiff_t ptrdiff);
+ extern void mbi_copy (mbi_iterator_t *new, const mbi_iterator_t *old);
*/
#ifndef _MBITER_H
@@ -81,6 +84,8 @@
#include
#include
+#include
+#include
/* Tru64 with Desktop Toolkit C has a bug: must be included before
.
@@ -174,6 +179,18 @@ mbiter_multi_reloc (struct mbiter_multi *iter, ptrdiff_t ptrdiff)
iter->limit += ptrdiff;
}
+static inline void
+mbiter_multi_copy (struct mbiter_multi *new_iter, const struct mbiter_multi *old_iter)
+{
+ new_iter->limit = old_iter->limit;
+ if ((new_iter->in_shift = old_iter->in_shift))
+ memcpy (&new_iter->state, &old_iter->state, sizeof (mbstate_t));
+ else
+ memset (&new_iter->state, 0, sizeof (mbstate_t));
+ new_iter->next_done = old_iter->next_done;
+ mb_copy (&new_iter->cur, &old_iter->cur);
+}
+
/* Iteration macros. */
typedef struct mbiter_multi mbi_iterator_t;
#define mbi_init(iter, startptr, length) \
@@ -192,4 +209,7 @@ typedef struct mbiter_multi mbi_iterator_t;
/* Relocation. */
#define mbi_reloc(iter, ptrdiff) mbiter_multi_reloc (&iter, ptrdiff)
+/* Copying an iterator. */
+#define mbi_copy mbiter_multi_copy
+
#endif /* _MBITER_H */