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/* Copyright (C) 1993-2019 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library 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 C Library 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 the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#ifdef _LIBC
# include <string.h>
#else
# include <sys/types.h>
#endif
#ifndef STPNCPY
# ifdef weak_alias
# define STPNCPY __stpncpy
weak_alias (__stpncpy, stpncpy)
# else
# define STPNCPY stpncpy
# endif
#endif
/* Copy no more than N characters of SRC to DEST, returning the address of
the terminating '\0' in DEST, if any, or else DEST + N. */
char *
STPNCPY (char *dest, const char *src, size_t n)
{
size_t size = __strnlen (src, n);
memcpy (dest, src, size);
dest += size;
if (size == n)
return dest;
return memset (dest, '\0', n - size);
}
#ifdef weak_alias
libc_hidden_def (__stpncpy)
#endif
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