gpgme/assuan/mkerrors

#!/bin/sh
# mkerrors - Extract error strings from assuan.h
#            and create C source for assuan_strerror
#	Copyright (C) 2001, 2002 Free Software Foundation, Inc.
#
# This file is part of Assuan.
#
# Assuan 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.
#
# Assuan 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 this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA 

cat <<EOF
/* Generated automatically by mkerrors */
/* Do not edit! */

#include <stdio.h>
#include "assuan.h"

/**
 * assuan_strerror:
 * @err:  Error code 
 * 
 * This function returns a textual representaion of the given
 * errorcode. If this is an unknown value, a string with the value
 * is returned (Beware: it is hold in a static buffer).
 * 
 * Return value: String with the error description.
 **/
const char *
assuan_strerror (AssuanError err)
{
  const char *s;
  static char buf[50];

  switch (err)
    {
EOF

awk '
/ASSUAN_No_Error/    { okay=1 }
!okay              {next}
/}/                { exit 0 }
/ASSUAN_[A-Za-z_]*/ { print_code($1) }


function print_code( s )
{
printf "    case %s: s=\"", s ;
gsub(/_/, " ", s );
printf "%s\"; break;\n", tolower(substr(s,8));
}
'

cat <<EOF
    default: 
      {
        unsigned int source, code;

        source = ((err >> 24) & 0xff);
        code = (err & 0x00ffffff);
        if (source) /* Assume this is an libgpg-error. */
          sprintf (buf, "ec=%u.%u", source, code ); 
        else
          sprintf (buf, "ec=%d", err ); 
        s=buf; break;
      }
    }

  return s;
}

EOF