/*****************************************************************************
* "Gif-Lib" - Yet another gif library.
*
* Written by: Gershon Elber IBM PC Ver 0.1, Jun. 1989
*****************************************************************************
* Handle error reporting for the GIF library.
*****************************************************************************
* History:
* 17 Jun 89 - Version 1.0 by Gershon Elber.
****************************************************************************/
#include <stdio.h>
#include "gif_lib.h"
#include "gif_lib_private.h"
int _GifError = 0;
/*****************************************************************************
* Return the last GIF error (0 if none) and reset the error.
****************************************************************************/
int
GifLastError(void) {
int i = _GifError;
_GifError = 0;
return i;
}
/*****************************************************************************
* Return the last GIF error (0 if none).
****************************************************************************/
int
GifError(void) {
return _GifError;
}
/*****************************************************************************
* Return a string description of the last GIF error
****************************************************************************/
char *
GifErrorString(void) {
char *Err;
switch (_GifError) {
case E_GIF_ERR_OPEN_FAILED:
Err = "Failed to open given file";
break;
case E_GIF_ERR_WRITE_FAILED:
Err = "Failed to Write to given file";
break;
case E_GIF_ERR_HAS_SCRN_DSCR:
Err = "Screen Descriptor already been set";
break;
case E_GIF_ERR_HAS_IMAG_DSCR:
Err = "Image Descriptor is still active";
break;
case E_GIF_ERR_NO_COLOR_MAP:
Err = "Neither Global Nor Local color map";
break;
case E_GIF_ERR_DATA_TOO_BIG:
Err = "#Pixels bigger than Width * Height";
break;
case E_GIF_ERR_NOT_ENOUGH_MEM:
Err = "Fail to allocate required memory";
break;
case E_GIF_ERR_DISK_IS_FULL:
Err = "Write failed (disk full?)";
break;
case E_GIF_ERR_CLOSE_FAILED:
Err = "Failed to close given file";
break;
case E_GIF_ERR_NOT_WRITEABLE:
Err = "Given file was not opened for write";
break;
case D_GIF_ERR_OPEN_FAILED:
Err = "Failed to open given file";
break;
case D_GIF_ERR_READ_FAILED:
Err = "Failed to Read from given file";
break;
case D_GIF_ERR_NOT_GIF_FILE:
Err = "Given file is NOT GIF file";
break;
case D_GIF_ERR_NO_SCRN_DSCR:
Err = "No Screen Descriptor detected";
break;
case D_GIF_ERR_NO_IMAG_DSCR:
Err = "No Image Descriptor detected";
break;
case D_GIF_ERR_NO_COLOR_MAP:
Err = "Neither Global Nor Local color map";
break;
case D_GIF_ERR_WRONG_RECORD:
Err = "Wrong record type detected";
break;
case D_GIF_ERR_DATA_TOO_BIG:
Err = "#Pixels bigger than Width * Height";
break;
case D_GIF_ERR_NOT_ENOUGH_MEM:
Err = "Fail to allocate required memory";
break;
case D_GIF_ERR_CLOSE_FAILED:
Err = "Failed to close given file";
break;
case D_GIF_ERR_NOT_READABLE:
Err = "Given file was not opened for read";
break;
case D_GIF_ERR_IMAGE_DEFECT:
Err = "Image is defective, decoding aborted";
break;
case D_GIF_ERR_EOF_TOO_SOON:
Err = "Image EOF detected, before image complete";
break;
default:
Err = NULL;
break;
}
return Err;
}