/* soft link routines */

#include <mintbind.h>
#include <errno.h>
#include <string.h>
#include <limits.h>
#include "lib.h"

extern int __mint;

/*
 * If MiNT 0.9 or later is active, use the kernel routines for these;
 * otherwise, try to choose failure modes that applications will best be
 * able to handle
 */

int
symlink(old, new)
	char *old, *new;
{
	char linkname[PATH_MAX];
	char path[PATH_MAX];
	long r;

	if (__mint >= 9) {
		_unx2dos(old, path);
		_unx2dos(new, linkname);
		r = Fsymlink(path, linkname);
		if (r) {
			errno = -r;
			return -1;
		}
		return r;
	}
	errno = EINVAL;
	return -1;
}

int
readlink(unxname, buf, siz)
	char *unxname, *buf;
	int siz;
{
	long r;
	char filename[PATH_MAX];
	char linkto[PATH_MAX+1];

	if (__mint < 9) {
		errno = EINVAL;
		return -1;
	}
	_unx2dos(unxname, filename);
	r = Freadlink(siz, linkto, filename);
	if (r < 0) {
		errno = -r;
		return -1;
	}
	linkto[PATH_MAX] = 0;
	_dos2unx(linkto, buf);
	return strlen(buf);
}