1 /* Convert a h_errno error code to a string. 2 Copyright (C) 2016-2022 Free Software Foundation, Inc. 3 This file is part of the GNU C Library. 4 5 The GNU C Library is free software; you can redistribute it and/or 6 modify it under the terms of the GNU Lesser General Public 7 License as published by the Free Software Foundation; either 8 version 2.1 of the License, or (at your option) any later version. 9 10 The GNU C Library is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 Lesser General Public License for more details. 14 15 You should have received a copy of the GNU Lesser General Public 16 License along with the GNU C Library; if not, see 17 <https://www.gnu.org/licenses/>. */ 18 19 #include <support/format_nss.h> 20 21 #include <support/support.h> 22 23 char * support_format_herrno(int code)24support_format_herrno (int code) 25 { 26 const char *errstr; 27 switch (code) 28 { 29 case HOST_NOT_FOUND: 30 errstr = "HOST_NOT_FOUND"; 31 break; 32 case NO_ADDRESS: 33 errstr = "NO_ADDRESS"; 34 break; 35 case NO_RECOVERY: 36 errstr = "NO_RECOVERY"; 37 break; 38 case TRY_AGAIN: 39 errstr = "TRY_AGAIN"; 40 break; 41 default: 42 return xasprintf ("<invalid h_errno value %d>\n", code); 43 } 44 return xstrdup (errstr); 45 } 46