tesseract/ccutil/errcode.cpp
2008-12-30 18:20:15 +00:00

105 lines
3.5 KiB
C++

/**********************************************************************
* File: errcode.c (Formerly error.c)
* Description: Generic error handler function
* Author: Ray Smith
* Created: Tue May 1 16:28:39 BST 1990
*
* (C) Copyright 1989, Hewlett-Packard Ltd.
** Licensed under the Apache License, Version 2.0 (the "License");
** you may not use this file except in compliance with the License.
** You may obtain a copy of the License at
** http://www.apache.org/licenses/LICENSE-2.0
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** limitations under the License.
*
**********************************************************************/
#include "mfcpch.h" //precompiled headers
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#ifdef __UNIX__
#include <signal.h>
#endif
#include "tprintf.h"
//#include "ipeerr.h"
#include "errcode.h"
const ERRCODE BADERRACTION = "Illegal error action";
#define MAX_MSG 1024
/**********************************************************************
* error
*
* Print an error message and continue, exit or abort according to action.
* Makes use of error messages and numbers in a common place.
*
**********************************************************************/
void
ERRCODE::error ( //handle error
const char *caller, //name of caller
inT8 action, //action to take
const char *format, ... //special message
) const
{
va_list args; //variable args
char msg[MAX_MSG];
char *msgptr = msg;
if (caller != NULL)
//name of caller
msgptr += sprintf (msgptr, "%s:", caller);
//actual message
msgptr += sprintf (msgptr, "Error:%s", message);
if (format != NULL) {
msgptr += sprintf (msgptr, ":");
va_start(args, format); //variable list
#ifdef __MSW32__
//print remainder
msgptr += _vsnprintf (msgptr, MAX_MSG - 2 - (msgptr - msg), format, args);
msg[MAX_MSG - 2] = '\0'; //ensure termination
strcat (msg, "\n");
#else
//print remainder
msgptr += vsprintf (msgptr, format, args);
//no specific
msgptr += sprintf (msgptr, "\n");
#endif
va_end(args);
}
else
//no specific
msgptr += sprintf (msgptr, "\n");
fprintf(stderr, msg);
/*if ((strstr (message, "File") != NULL) ||
(strstr (message, "file") != NULL))
else if ((strstr (message, "List") != NULL) ||
(strstr (message, "list") != NULL))
else if ((strstr (message, "Memory") != NULL) ||
(strstr (message, "memory") != NULL))
global_abort_code = MEMORY_ABORT;
else
global_abort_code = NO_ABORT_CODE;
*/
int* p = NULL;
switch (action) {
case DBG:
case TESSLOG:
return; //report only
case EXIT:
//err_exit();
case ABORT:
// Create a deliberate segv as the stack trace is more useful that way.
if (!*p)
abort();
default:
BADERRACTION.error ("error", ABORT, NULL);
}
}