This is error.c in view mode; [Download] [Up]
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% EEEEE RRRR RRRR OOO RRRR %
% E R R R R O O R R %
% EEE RRRR RRRR O O RRRR %
% E R R R R O O R R %
% EEEEE R R R R OOO R R %
% %
% %
% ImageMagick Error Routines %
% %
% %
% %
% Software Design %
% John Cristy %
% July 1993 %
% %
% %
% Copyright 1997 E. I. du Pont de Nemours and Company %
% %
% Permission to use, copy, modify, distribute, and sell this software and %
% its documentation for any purpose is hereby granted without fee, %
% provided that the above Copyright notice appear in all copies and that %
% both that Copyright notice and this permission notice appear in %
% supporting documentation, and that the name of E. I. du Pont de Nemours %
% and Company not be used in advertising or publicity pertaining to %
% distribution of the software without specific, written prior %
% permission. E. I. du Pont de Nemours and Company makes no representations %
% about the suitability of this software for any purpose. It is provided %
% "as is" without express or implied warranty. %
% %
% E. I. du Pont de Nemours and Company disclaims all warranties with regard %
% to this software, including all implied warranties of merchantability %
% and fitness, in no event shall E. I. du Pont de Nemours and Company be %
% liable for any special, indirect or consequential damages or any %
% damages whatsoever resulting from loss of use, data or profits, whether %
% in an action of contract, negligence or other tortious action, arising %
% out of or in connection with the use or performance of this software. %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%
%
*/
/*
Include declarations.
*/
#include "magick.h"
#include <errno.h>
/*
Define declarations.
*/
#if defined(sun) && !defined(SVR4)
#ifndef strerror
#define strerror(n) \
(((n) >= 0 && (n) < sys_nerr) ? sys_errlist[n] : "unknown error")
extern char
*sys_errlist[];
extern int
sys_nerr;
#endif
#endif
/*
Forward declaraations.
*/
static void
DefaultErrorHandler(const char *,const char *),
DefaultWarningHandler(const char *,const char *);
/*
Global declarations.
*/
static ErrorHandler
error_handler = DefaultErrorHandler,
warning_handler = DefaultWarningHandler;
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% D e f a u l t E r r o r H a n d l e r %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% Function DefaultErrorHandler displays an error message and then terminates
% the program.
%
% The format of the DefaultErrorHandler routine is:
%
% DefaultErrorHandler(message,qualifier)
%
% A description of each parameter follows:
%
% o message: Specifies the message to display before terminating the
% program.
%
% o qualifier: Specifies any qualifier to the message.
%
%
*/
static void DefaultErrorHandler(const char *message,const char *qualifier)
{
if (message == (char *) NULL)
Exit(1);
(void) fprintf(stderr,"%s: %s",client_name,message);
if (qualifier != (char *) NULL)
(void) fprintf(stderr," (%s)",qualifier);
if (errno)
(void) fprintf(stderr," [%s]",strerror(errno));
errno=0;
(void) fprintf(stderr,".\n");
Exit(1);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% D e f a u l t W a r n i n g H a n d l e r %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% Function DefaultWarningHandler displays a warning message.
%
% The format of the DefaultWarningHandler routine is:
%
% DefaultWarningHandler(message,qualifier)
%
% A description of each parameter follows:
%
% o message: Specifies the message to display before terminating the
% program.
%
% o qualifier: Specifies any qualifier to the message.
%
%
*/
static void DefaultWarningHandler(const char *message,const char *qualifier)
{
if (message == (char *) NULL)
return;
(void) fprintf(stderr,"%s: %s",client_name,message);
if (qualifier != (char *) NULL)
(void) fprintf(stderr," (%s)",qualifier);
(void) fprintf(stderr,".\n");
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% E r r o r %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% Function Error calls the error handler routines with an error message.
%
% The format of the Error routine is:
%
% Error(message,qualifier)
%
% A description of each parameter follows:
%
% o message: Specifies the message to display before terminating the
% program.
%
% o qualifier: Specifies any qualifier to the message.
%
%
*/
Export void Error(const char *message,const char *qualifier)
{
if (error_handler != (ErrorHandler) NULL)
(*error_handler)(message,qualifier);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% S e t E r r o r H a n d l e r %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% Function SetErrorHandler sets the error handler to the specified routine
% and returns the previous error handler.
%
% The format of the SetErrorHandler routine is:
%
% previous_handler=SetErrorHandler(handler)
%
% A description of each parameter follows:
%
% o handler: Specifies a pointer to a routine to handle errors.
%
%
*/
Export ErrorHandler SetErrorHandler(ErrorHandler handler)
{
ErrorHandler
previous_handler;
previous_handler=error_handler;
error_handler=handler;
return(previous_handler);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% S e t W a r n i n g H a n d l e r %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% Function SetWarningHandler sets the warning handler to the specified routine
% and returns the previous warning handler.
%
% The format of the SetWarningHandler routine is:
%
% previous_handler=SetWarningHandler(handler)
%
% A description of each parameter follows:
%
% o handler: Specifies a pointer to a routine to handle warnings.
%
%
*/
Export ErrorHandler SetWarningHandler(ErrorHandler handler)
{
ErrorHandler
previous_handler;
previous_handler=error_handler;
warning_handler=handler;
return(previous_handler);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% W a r n i n g %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% Function Warning calls the warning handler routines with an warning message.
%
% The format of the Warning routine is:
%
% Warning(message,qualifier)
%
% A description of each parameter follows:
%
% o message: Specifies the message to display before terminating the
% program.
%
% o qualifier: Specifies any qualifier to the message.
%
%
*/
Export void Warning(const char *message,const char *qualifier)
{
if (warning_handler != (ErrorHandler) NULL)
(*warning_handler)(message,qualifier);
}
These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.