blob: 3d79f40bb55c547c245e6599fbeeb66e8639ff2e [file] [log] [blame] [edit]
/* strerror-sym.c - Describing an error code with its symbol name.
Copyright (C) 2003, 2004 g10 Code GmbH
This file is part of libgpg-error.
libgpg-error 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.
libgpg-error 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 libgpg-error; if not, write to the Free
Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
02111-1307, USA. */
#if HAVE_CONFIG_H
#include <config.h>
#endif
#include <stddef.h>
#include <gpg-error.h>
#include "err-codes-sym.h"
#include "errnos-sym.h"
/* Return a pointer to a string containing the name of the symbol of
the error code in the error value ERR. Returns NULL if the error
code is not known. */
const char *
gpg_strerror_sym (gpg_error_t err)
{
gpg_err_code_t code = gpg_err_code (err);
if (code & GPG_ERR_SYSTEM_ERROR)
{
int idx;
code &= ~GPG_ERR_SYSTEM_ERROR;
idx = errnos_msgidxof (code);
if (idx >= 0)
return errnos_msgstr + errnos_msgidx[idx];
else
return NULL;
}
if (msgidxof (code) == msgidxof (GPG_ERR_CODE_DIM))
return NULL;
return msgstr + msgidx[msgidxof (code)];
}