int rc = lstat (con->target, &st); if (rc == 0) { size_t len = strlen (f->linkto) + 1; if (S_ISLNK (st.st_mode)) { char *link_target = (char *)alloca (len); size_t n = readlink (con->target, link_target, len); if ((n == len - 1) && (memcmp (link_target, f->linkto, n) == 0)) { dlthis = false; break; } } } unlink (con->target); symlink (f->linkto, con->target);

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