diff options
Diffstat (limited to 'lib/unigbrk/u32-grapheme-prev.c')
-rw-r--r-- | lib/unigbrk/u32-grapheme-prev.c | 51 |
1 files changed, 0 insertions, 51 deletions
diff --git a/lib/unigbrk/u32-grapheme-prev.c b/lib/unigbrk/u32-grapheme-prev.c deleted file mode 100644 index 584629d..0000000 --- a/lib/unigbrk/u32-grapheme-prev.c +++ /dev/null @@ -1,51 +0,0 @@ -/* Previous grapheme cluster function. - Copyright (C) 2010-2015 Free Software Foundation, Inc. - Written by Ben Pfaff <blp@cs.stanford.edu>, 2010. - - 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" - -const uint32_t * -u32_grapheme_prev (const uint32_t *s, const uint32_t *start) -{ - ucs4_t next; - - if (s == start) - return NULL; - - u32_prev (&next, s, start); - for (s--; s != start; s--) - { - ucs4_t prev; - - if (u32_prev (&prev, s, start) == NULL) - { - /* Ill-formed UTF-32 encoding. */ - return start; - } - - if (uc_is_grapheme_break (prev, next)) - break; - - next = prev; - } - - return s; -} |