1/* strsource-sym.c - Describing an error source with its symbol name. 2 Copyright (C) 2003, 2004 g10 Code GmbH 3 4 This file is part of libgpg-error. 5 6 libgpg-error is free software; you can redistribute it and/or 7 modify it under the terms of the GNU Lesser General Public License 8 as published by the Free Software Foundation; either version 2.1 of 9 the License, or (at your option) any later version. 10 11 libgpg-error is distributed in the hope that it will be useful, but 12 WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 Lesser General Public License for more details. 15 16 You should have received a copy of the GNU Lesser General Public 17 License along with libgpg-error; if not, write to the Free 18 Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 19 02111-1307, USA. */ 20 21#if HAVE_CONFIG_H 22#include <config.h> 23#endif 24 25#include <stddef.h> 26 27#include <gpg-error.h> 28 29#include "err-sources-sym.h" 30 31/* Return a pointer to a string containing the name of the symbol of 32 the error source in the error value ERR. Returns NULL if the error 33 code is not known. */ 34const char * 35gpg_strsource_sym (gpg_error_t err) 36{ 37 gpg_err_source_t source = gpg_err_source (err); 38 39 if (msgidxof (source) == msgidxof (GPG_ERR_SOURCE_DIM)) 40 return NULL; 41 42 return msgstr + msgidx[msgidxof (source)]; 43} 44