| /* Implement the stpncpy function. |
| Copyright (C) 2003-2024 Free Software Foundation, Inc. |
| Written by Kaveh R. Ghazi <ghazi@caip.rutgers.edu>. |
| |
| This file is part of the libiberty library. |
| Libiberty is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Library General Public |
| License as published by the Free Software Foundation; either |
| version 2 of the License, or (at your option) any later version. |
| |
| Libiberty 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 |
| Library General Public License for more details. |
| |
| You should have received a copy of the GNU Library General Public |
| License along with libiberty; see the file COPYING.LIB. If |
| not, write to the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor, |
| Boston, MA 02110-1301, USA. */ |
| |
| /* |
| |
| @deftypefn Supplemental char* stpncpy (char *@var{dst}, const char *@var{src}, @ |
| size_t @var{len}) |
| |
| Copies the string @var{src} into @var{dst}, copying exactly @var{len} |
| and padding with zeros if necessary. If @var{len} < strlen(@var{src}) |
| then return @var{dst} + @var{len}, otherwise returns @var{dst} + |
| strlen(@var{src}). |
| |
| @end deftypefn |
| |
| */ |
| |
| #include <ansidecl.h> |
| #include <stddef.h> |
| |
| extern size_t strlen (const char *); |
| extern char *strncpy (char *, const char *, size_t); |
| |
| char * |
| stpncpy (char *dst, const char *src, size_t len) |
| { |
| size_t n = strlen (src); |
| if (n > len) |
| n = len; |
| return strncpy (dst, src, len) + n; |
| } |