File: cmserr.c

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//
//  Little cms
//  Copyright (C) 1998-2007 Marti Maria
//
// Permission is hereby granted, free of charge, to any person obtaining 
// a copy of this software and associated documentation files (the "Software"), 
// to deal in the Software without restriction, including without limitation 
// the rights to use, copy, modify, merge, publish, distribute, sublicense, 
// and/or sell copies of the Software, and to permit persons to whom the Software 
// is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in 
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO 
// THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE 
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.


#include "lcms.h"


// As a rule, only the functions visible from API can signal
// errors.

void cdecl cmsSignalError(int ErrorCode, const char *ErrorText, ...);

int  LCMSEXPORT cmsErrorAction(int lAbort);
void LCMSEXPORT cmsSetErrorHandler(cmsErrorHandlerFunction Fn);


// ******************************************************************

static int nDoAbort = LCMS_ERROR_ABORT;
static cmsErrorHandlerFunction UserErrorHandler = (cmsErrorHandlerFunction) NULL;


int LCMSEXPORT cmsErrorAction(int nAction)
{
       int nOld = nDoAbort;    
       nDoAbort = nAction;

       return nOld;
}

void LCMSEXPORT cmsSetErrorHandler(cmsErrorHandlerFunction Fn)
{
       UserErrorHandler = Fn;
}


// Default error handler


void cmsSignalError(int ErrorCode, const char *ErrorText, ...)
{
       va_list args;
       
       if (nDoAbort == LCMS_ERROR_IGNORE) return;

        va_start(args, ErrorText);

        if (UserErrorHandler != NULL) {

            char Buffer[1024];

            vsnprintf(Buffer, 1023, ErrorText, args);
            va_end(args);   

            if (UserErrorHandler(ErrorCode, Buffer)) {     

                return;
                }
         }

#if defined( __CONSOLE__ ) || defined( NON_WINDOWS )

              fprintf(stderr, "lcms: Error #%d; ", ErrorCode);
              vfprintf(stderr, ErrorText, args);
              fprintf(stderr, "\n");
              va_end(args);

              if (nDoAbort == LCMS_ERROR_ABORT) exit(1);
#else
              {
              char Buffer1[1024];
              char Buffer2[256];

              snprintf(Buffer1,  767, "Error #%x; ", ErrorCode);
              vsnprintf(Buffer2, 255, ErrorText, args);
              strcat(Buffer1, Buffer2);
              MessageBox(NULL, Buffer1, "Little cms",
                                          MB_OK|MB_ICONSTOP|MB_TASKMODAL);
              va_end(args);

              if (nDoAbort == LCMS_ERROR_ABORT) {

#ifdef __BORLANDC__
                    _cexit();
#endif

                  FatalAppExit(0, "lcms is terminating application");
              }
              }
#endif
}