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|
#!/bin/sh
# mkerrors - Extract error strings from assuan.h
# and create C source for assuan_strerror
# Copyright (C) 2001, 2002, 2006 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
cat <<EOF
/* Generated automatically by mkerrors */
/* Do not edit! See mkerrors for copyright notice. */
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <assert.h>
#include <errno.h>
#undef _ASSUAN_IN_LIBASSUAN /* undef to get all error codes. */
#include "assuan.h"
/* If true the modern gpg-error style error codes are used in the
API. */
static unsigned int err_source;
/* Enable gpg-error style error codes. ERRSOURCE is one of gpg-error
sources. Note, that this function is not thread-safe and should be
used right at startup. Switching back to the old style mode is not
supported. */
void
assuan_set_assuan_err_source (int errsource)
{
errsource &= 0xff;
err_source = errsource? errsource : 31 /*GPG_ERR_SOURCE_ANY*/;
}
/* Helper to map old style Assuan error codes to gpg-error codes.
This is used internally to keep an compatible ABI. */
assuan_error_t
_assuan_error (int oldcode)
{
unsigned int n;
if (!err_source)
return (oldcode & 0x00ffffff); /* Make sure that the gpg-error
source part is cleared. */
switch (oldcode)
{
case ASSUAN_General_Error: n = 257; break;
case ASSUAN_Accept_Failed: n = 258; break;
case ASSUAN_Connect_Failed: n = 259; break;
case ASSUAN_Invalid_Response: n = 260; break;
case ASSUAN_Invalid_Value: n = 261; break;
case ASSUAN_Line_Not_Terminated: n = 262; break;
case ASSUAN_Line_Too_Long: n = 263; break;
case ASSUAN_Nested_Commands: n = 264; break;
case ASSUAN_No_Data_Callback: n = 265; break;
case ASSUAN_No_Inquire_Callback: n = 266; break;
case ASSUAN_Not_A_Server: n = 267; break;
case ASSUAN_Not_Implemented: n = 69; break;
case ASSUAN_Parameter_Conflict: n = 280; break;
case ASSUAN_Problem_Starting_Server: n = 269; break;
case ASSUAN_Server_Fault: n = 80; break;
case ASSUAN_Syntax_Error: n = 276; break;
case ASSUAN_Too_Much_Data: n = 273; break;
case ASSUAN_Unexpected_Command: n = 274; break;
case ASSUAN_Unknown_Command: n = 275; break;
case ASSUAN_Canceled: n = 277; break;
case ASSUAN_No_Secret_Key: n = 17; break;
case ASSUAN_Not_Confirmed: n = 114; break;
case ASSUAN_Read_Error:
switch (errno)
{
case 0: n = 16381; /*GPG_ERR_MISSING_ERRNO*/ break;
default: n = 270; /*GPG_ERR_ASS_READ_ERROR*/ break;
}
break;
case ASSUAN_Write_Error:
switch (errno)
{
case 0: n = 16381; /*GPG_ERR_MISSING_ERRNO*/ break;
default: n = 271; /*GPG_ERR_ASS_WRITE_ERROR*/ break;
}
break;
case ASSUAN_Out_Of_Core:
switch (errno)
{
case 0: /* Should not happen but a user might have provided
an incomplete implemented malloc function. Give
him a chance to correct this fault but make sure
an error is indeed returned. */
n = 16381; /*GPG_ERR_MISSING_ERRNO*/
break;
case ENOMEM: n = (1 << 15) | 86; break;
default:
n = 16382; /*GPG_ERR_UNKNOWN_ERRNO*/
break;
}
break;
case -1: n = 16383 /*GPG_ERR_EOF*/; break;
default:
n = 257;
break;
}
return ((err_source << 24) | (n & 0x00ffffff));
}
/**
* 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 (assuan_error_t err)
{
const char *s;
static char buf[50];
switch (err)
{
EOF
awk '
/ASSUAN_No_Error/ { okay=1 }
!okay {next}
/^#define[ ]+ASSUAN_[A-Za-z_]*/ { print_code($2) }
/ASSUAN_USER_ERROR_LAST/ { exit 0 }
function print_code( s )
{
printf " case %s: s=\"", s ;
gsub(/_/, " ", s );
printf "%s\"; break;\n", tolower(substr(s,8));
}
'
cat <<EOF
case -1: s = "EOF (-1)"; break;
default:
{
unsigned int source, code, n;
source = ((err >> 24) & 0xff);
code = (err & 0x00ffffff);
if (source)
{
/* Assume this is an libgpg-error and try to map the codes
back. */
switch (code)
{
case 257: n = ASSUAN_General_Error ; break;
case 258: n = ASSUAN_Accept_Failed ; break;
case 259: n = ASSUAN_Connect_Failed ; break;
case 260: n = ASSUAN_Invalid_Response ; break;
case 261: n = ASSUAN_Invalid_Value ; break;
case 262: n = ASSUAN_Line_Not_Terminated ; break;
case 263: n = ASSUAN_Line_Too_Long ; break;
case 264: n = ASSUAN_Nested_Commands ; break;
case 265: n = ASSUAN_No_Data_Callback ; break;
case 266: n = ASSUAN_No_Inquire_Callback ; break;
case 267: n = ASSUAN_Not_A_Server ; break;
case 69: n = ASSUAN_Not_Implemented ; break;
case 280: n = ASSUAN_Parameter_Conflict ; break;
case 269: n = ASSUAN_Problem_Starting_Server; break;
case 270: n = ASSUAN_Read_Error ; break;
case 271: n = ASSUAN_Write_Error ; break;
case 80: n = ASSUAN_Server_Fault ; break;
case 276: n = ASSUAN_Syntax_Error ; break;
case 273: n = ASSUAN_Too_Much_Data ; break;
case 274: n = ASSUAN_Unexpected_Command ; break;
case 275: n = ASSUAN_Unknown_Command ; break;
case 277: n = ASSUAN_Canceled ; break;
case 114: n = ASSUAN_Not_Confirmed ; break;
case ((1<<15)|86): n = ASSUAN_Out_Of_Core ; break;
default: n = 0; break;
}
if (n)
s = assuan_strerror (n);
else
{
sprintf (buf, "ec=%u.%u", source, code );
s=buf;
}
}
else
{
sprintf (buf, "ec=%d", err );
s=buf;
}
}
break;
}
return s;
}
EOF
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