51 lines
1.5 KiB
C
51 lines
1.5 KiB
C
/*
|
|
* Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
|
|
* Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
|
|
* Written by Brian Behlendorf <behlendorf1@llnl.gov>.
|
|
* UCRL-CODE-235197
|
|
*
|
|
* This file is part of the SPL, Solaris Porting Layer.
|
|
*
|
|
* The SPL is free software; you can redistribute it and/or modify it
|
|
* under the terms of 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.
|
|
*
|
|
* The SPL 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 General Public License
|
|
* for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along
|
|
* with the SPL. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#ifndef _SPL_STRING_H
|
|
#define _SPL_STRING_H
|
|
|
|
#include <linux/string.h>
|
|
|
|
/* Fallbacks for kernel missing strlcpy */
|
|
#ifndef HAVE_KERNEL_STRLCPY
|
|
|
|
#if defined(HAVE_KERNEL_STRSCPY)
|
|
/*
|
|
* strscpy is strlcpy, but returns an error on truncation. strlcpy is defined
|
|
* to return strlen(src), so detect error and override it.
|
|
*/
|
|
static inline size_t
|
|
strlcpy(char *dest, const char *src, size_t size)
|
|
{
|
|
ssize_t ret = strscpy(dest, src, size);
|
|
if (likely(ret > 0))
|
|
return ((size_t)ret);
|
|
return (strlen(src));
|
|
}
|
|
#else
|
|
#error "no strlcpy fallback available"
|
|
#endif
|
|
|
|
#endif /* HAVE_KERNEL_STRLCPY */
|
|
|
|
#endif /* _SPL_STRING_H */
|