mirror of
git://sourceware.org/git/glibc.git
synced 2024-12-21 04:31:04 +08:00
52 lines
1.4 KiB
C
52 lines
1.4 KiB
C
/* Copyright (C) 1993-2024 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
|