/* This file is part of limb                           https://lila.oss/limb
 * Copyright (C) 2023 Olivier Brunel                          jjk@jjacky.com */
/* SPDX-License-Identifier: GPL-2.0-only */
#include <limb/djbunix.h>

int
sa_readlinkat0(stralloc *sa, int fd, const char * restrict file)
{
    int r = sa_readlinkat(sa, fd, file);
    if (r < 0)
        return r;

    /* make sure it ends with a NUL - which isn't guaranteed */
    if (sa->s[sa->len - 1] != 0 && !stralloc_0(sa))
        return -1;

    return 0;
}