diff options
Diffstat (limited to 'lib/unistr/u-move.h')
-rw-r--r-- | lib/unistr/u-move.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/lib/unistr/u-move.h b/lib/unistr/u-move.h new file mode 100644 index 00000000..77b6788b --- /dev/null +++ b/lib/unistr/u-move.h @@ -0,0 +1,44 @@ +/* Copy piece of UTF-8/UTF-16/UTF-32 string. + Copyright (C) 1999, 2002, 2006 Free Software Foundation, Inc. + Written by Bruno Haible <bruno@clisp.org>, 2002. + + 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 <string.h> + +UNIT * +FUNC (UNIT *dest, const UNIT *src, size_t n) +{ +#if 0 + if (dest < src) + { + UNIT *destptr = dest; + const UNIT *srcptr = src; + + for (; n > 0; n--) + *destptr++ = *srcptr++; + } + else if (dest > src) + { + UNIT *destptr = dest + n - 1; + const UNIT *srcptr = src + n - 1; + + for (; n > 0; n--) + *destptr-- = *srcptr--; + } +#else + memmove ((char *) dest, (const char *) src, n * sizeof (UNIT)); +#endif + return dest; +} |