summaryrefslogtreecommitdiff
path: root/lib/unigbrk/u8-grapheme-breaks.c
diff options
context:
space:
mode:
authorManuel A. Fernandez Montecelo <manuel.montezelo@gmail.com>2016-05-26 16:48:39 +0100
committerManuel A. Fernandez Montecelo <manuel.montezelo@gmail.com>2016-05-26 16:48:39 +0100
commit8dfc46115527afe3706e9e4225e9ad019c97d695 (patch)
tree372d5192b218455834781a0037c57e919a06b488 /lib/unigbrk/u8-grapheme-breaks.c
parent2291cf138eb72ad38d8c59b8b6f762875c8c4ff2 (diff)
parent5f2b09982312c98863eb9a8dfe2c608b81f58259 (diff)
Merge tag 'upstream/0.9.6'
Upstream version 0.9.6
Diffstat (limited to 'lib/unigbrk/u8-grapheme-breaks.c')
-rw-r--r--lib/unigbrk/u8-grapheme-breaks.c46
1 files changed, 46 insertions, 0 deletions
diff --git a/lib/unigbrk/u8-grapheme-breaks.c b/lib/unigbrk/u8-grapheme-breaks.c
new file mode 100644
index 0000000..ede0424
--- /dev/null
+++ b/lib/unigbrk/u8-grapheme-breaks.c
@@ -0,0 +1,46 @@
+/* Grapheme cluster breaks function.
+ Copyright (C) 2001-2003, 2006-2015 Free Software Foundation, Inc.
+ Written by Ben Pfaff <blp@cs.stanford.edu>, 2010,
+ based on code written by Bruno Haible <bruno@clisp.org>, 2009.
+
+ This program is free software: you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as published
+ by 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
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+#include <config.h>
+
+/* Specification. */
+#include "unigbrk.h"
+
+#include "unistr.h"
+
+void
+u8_grapheme_breaks (const uint8_t *s, size_t n, char *p)
+{
+ ucs4_t prev;
+ int mblen;
+
+ prev = 0;
+ for (; n > 0; s += mblen, p += mblen, n -= mblen)
+ {
+ ucs4_t next;
+ int i;
+
+ mblen = u8_mbtouc (&next, s, n);
+
+ p[0] = uc_is_grapheme_break (prev, next);
+ for (i = 1; i < mblen; i++)
+ p[i] = 0;
+
+ prev = next;
+ }
+}