/*******************************************************************/

/*  slibtool: a skinny libtool implementation, written in C        */

/*  Copyright (C) 2016--2021  Z. Gilboa                            */

/*  Released under the Standard MIT License; see COPYING.SLIBTOOL. */

/*******************************************************************/

#ifndef SLIBTOOL_READLINK_IMPL_H

#define SLIBTOOL_READLINK_IMPL_H

#include <unistd.h>

#include <errno.h>

static inline int slbt_readlinkat(

	int		fdcwd,

	const char *	restrict path,

	char *		restrict buf,

	ssize_t		bufsize)

{

	ssize_t ret;

	if ((ret = readlinkat(fdcwd,path,buf,bufsize)) <= 0) {

		return -1;

	} else if (ret == bufsize) {

		errno = ENOBUFS;

		return -1;

	} else {

		buf[ret] = 0;

		return 0;

	}

}

#endif