diff options
Diffstat (limited to 'lib/unistr/u-cpy.h')
-rw-r--r-- | lib/unistr/u-cpy.h | 28 |
1 files changed, 10 insertions, 18 deletions
diff --git a/lib/unistr/u-cpy.h b/lib/unistr/u-cpy.h index 1bbb1f0c..f0b3bc85 100644 --- a/lib/unistr/u-cpy.h +++ b/lib/unistr/u-cpy.h @@ -1,25 +1,16 @@ /* Copy piece of UTF-8/UTF-16/UTF-32 string. - Copyright (C) 1999, 2002, 2006, 2009-2018 Free Software Foundation, Inc. + Copyright (C) 1999, 2002, 2006, 2009-2022 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 either: + This file 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 2.1 of the + License, or (at your option) any later version. - * 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. - - or - - * the GNU General Public License as published by the Free - Software Foundation; either version 2 of the License, or (at your - option) any later version. - - or both in parallel, as here. - This program is distributed in the hope that it will be useful, + This file 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. + 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 <https://www.gnu.org/licenses/>. */ @@ -35,7 +26,8 @@ FUNC (UNIT *dest, const UNIT *src, size_t n) for (; n > 0; n--) *destptr++ = *src++; #else - memcpy ((char *) dest, (const char *) src, n * sizeof (UNIT)); + if (n > 0) + memcpy ((char *) dest, (const char *) src, n * sizeof (UNIT)); #endif return dest; } |