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/* Copyright (C) 1991, 1996, 1997, 2000-2002, 2003, 2004
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
<http://www.gnu.org/licenses/>. */
#include <stddef.h>
#include <errno.h>
#include <unistd.h>
#include <string.h>
#define CS_PATH "/bin:/usr/bin"
/* If BUF is not NULL and LEN > 0, fill in at most LEN - 1 bytes
of BUF with the value corresponding to NAME and zero-terminate BUF.
Return the number of bytes required to hold NAME's entire value. */
size_t confstr (int name, char *buf, size_t len)
{
const char *string;
size_t string_len;
switch (name)
{
case _CS_PATH:
{
static const char cs_path[] = CS_PATH;
string = cs_path;
string_len = sizeof (cs_path);
}
break;
#ifdef __UCLIBC_HAS_THREADS__
case _CS_GNU_LIBPTHREAD_VERSION:
# if defined __UCLIBC_HAS_LINUXTHREADS__
string = "linuxthreads-0.01";
string_len = sizeof("linuxthreads-x.xx");
# elif defined __UCLIBC_HAS_THREADS_NATIVE__
# define __NPTL_VERSION ("NPTL " \
__stringify(__UCLIBC_MAJOR__) "." \
__stringify(__UCLIBC_MINOR__) "." \
__stringify(__UCLIBC_SUBLEVEL__))
string = __NPTL_VERSION;
string_len = sizeof(__NPTL_VERSION);
# else
# error unable to determine thread impl
# endif
break;
#endif
default:
__set_errno (EINVAL);
return 0;
}
if (len > 0 && buf != NULL)
{
if (string_len <= len)
memcpy (buf, string, string_len);
else
{
memcpy (buf, string, len - 1);
buf[len - 1] = '\0';
}
}
return string_len;
}
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