// Copyright(c) 2019-2020, Intel Corporation

//

// Redistribution  and  use  in source  and  binary  forms,  with  or  without

// modification, are permitted provided that the following conditions are met:

//

// * Redistributions of  source code  must retain the  above copyright notice,

//   this list of conditions and the following disclaimer.

// * Redistributions in binary form must reproduce the above copyright notice,

//   this list of conditions and the following disclaimer in the documentation

//   and/or other materials provided with the distribution.

// * Neither the name  of Intel Corporation  nor the names of its contributors

//   may be used to  endorse or promote  products derived  from this  software

//   without specific prior written permission.

//

// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"

// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,  BUT NOT LIMITED TO,  THE

// IMPLIED WARRANTIES OF  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

// ARE DISCLAIMED.  IN NO EVENT  SHALL THE COPYRIGHT OWNER  OR CONTRIBUTORS BE

// LIABLE  FOR  ANY  DIRECT,  INDIRECT,  INCIDENTAL,  SPECIAL,  EXEMPLARY,  OR

// CONSEQUENTIAL  DAMAGES  (INCLUDING,  BUT  NOT LIMITED  TO,  PROCUREMENT  OF

// SUBSTITUTE GOODS OR SERVICES;  LOSS OF USE,  DATA, OR PROFITS;  OR BUSINESS

// INTERRUPTION)  HOWEVER CAUSED  AND ON ANY THEORY  OF LIABILITY,  WHETHER IN

// CONTRACT,  STRICT LIABILITY,  OR TORT  (INCLUDING NEGLIGENCE  OR OTHERWISE)

// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,  EVEN IF ADVISED OF THE

// POSSIBILITY OF SUCH DAMAGE.

#ifdef HAVE_CONFIG_H

#include <config.h>

#endif // HAVE_CONFIG_H

#include <stdio.h>

#include "logging.h"

#include "sysfs.h"

#ifdef LOG

#undef LOG

#endif

#define LOG(format, ...) \

log_printf("sysfs: " format, ##__VA_ARGS__)

int file_write_string(const char *path, const char *str, size_t len)

{

	FILE *fp;

	size_t num;

	fp = fopen(path, "w");

	if (!fp)

		return 1;

	num = fwrite(str, 1, len, fp);

	if (!num || ferror(fp)) {

		fclose(fp);

		return 1;

	}

	fclose(fp);

	return 0;

}

char *cstr_dup(const char *s)

{

	char *p;

	size_t len = strnlen(s, 8192);

	p = malloc(len+1);

	if (!p)

		return NULL;

	memcpy(p, s, len);

	p[len] = '\0';

	return p;

}