/* Copyright (c) 1997, 2004, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ #include <errno.h> #include <string.h> #include <rpcsvc/nis.h> nis_name nis_domain_of_r (const_nis_name name, char *buffer, size_t buflen) { char *cptr; size_t cptr_len; if (buffer == NULL) { erange: __set_errno (ERANGE); return NULL; } buffer[0] = '\0'; cptr = strchr (name, '.'); if (cptr == NULL) return buffer; ++cptr; cptr_len = strlen (cptr); if (cptr_len == 0) { if (buflen < 2) goto erange; return strcpy (buffer, "."); } if (__builtin_expect (cptr_len >= buflen, 0)) { __set_errno (ERANGE); return NULL; } return memcpy (buffer, cptr, cptr_len + 1); } libnsl_hidden_def (nis_domain_of_r)