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/* ************************************************************************** */
/* * For conditions of distribution and use, * */
/* * see copyright notice in libmng.h * */
/* ************************************************************************** */
/* * * */
/* * project : libmng * */
/* * file : libmng_error.h copyright (c) 2000-2002 G.Juyn * */
/* * version : 1.0.5 * */
/* * * */
/* * purpose : Error functions (definition) * */
/* * * */
/* * author : G.Juyn * */
/* * * */
/* * comment : Definition of the generic error-codes and functions * */
/* * * */
/* * changes : 0.5.1 - 05/06/2000 - G.Juyn * */
/* * - added some errorcodes * */
/* * 0.5.1 - 05/08/2000 - G.Juyn * */
/* * - added some errorcodes * */
/* * - changed strict-ANSI stuff * */
/* * 0.5.1 - 05/11/2000 - G.Juyn * */
/* * - added application errorcodes (used with callbacks) * */
/* * - moved chunk-access errorcodes to severity 5 * */
/* * * */
/* * 0.5.2 - 05/20/2000 - G.Juyn * */
/* * - added JNG errorcodes * */
/* * 0.5.2 - 05/23/2000 - G.Juyn * */
/* * - added error tell-tale definition * */
/* * 0.5.2 - 05/30/2000 - G.Juyn * */
/* * - added errorcodes for delta-image processing * */
/* * 0.5.2 - 06/06/2000 - G.Juyn * */
/* * - added errorcode for delayed buffer-processing * */
/* * - moved errorcodes to "libmng.h" * */
/* * * */
/* * 0.9.1 - 07/15/2000 - G.Juyn * */
/* * - added macro + routine to set returncode without * */
/* * calling error callback * */
/* * * */
/* * 0.9.2 - 08/05/2000 - G.Juyn * */
/* * - changed file-prefixes * */
/* * * */
/* * 1.0.5 - 08/19/2002 - G.Juyn * */
/* * - B597134 - libmng pollutes the linker namespace * */
/* * 1.0.5 - 08/20/2002 - G.Juyn * */
/* * - added option for soft-handling of errors * */
/* * * */
/* ************************************************************************** */
#if defined(__BORLANDC__) && defined(MNG_STRICT_ANSI)
#pragma option -A /* force ANSI-C */
#endif
#ifndef _libmng_error_h_
#define _libmng_error_h_
/* ************************************************************************** */
/* * * */
/* * Default error routines * */
/* * * */
/* ************************************************************************** */
mng_bool mng_store_error (mng_datap pData,
mng_retcode iError,
mng_retcode iExtra1,
mng_retcode iExtra2);
mng_bool mng_process_error (mng_datap pData,
mng_retcode iError,
mng_retcode iExtra1,
mng_retcode iExtra2);
/* ************************************************************************** */
/* * * */
/* * Error handling macros * */
/* * * */
/* ************************************************************************** */
#ifdef MNG_SOFTERRORS
#define MNG_ERROR(D,C) { if (!mng_process_error (D, C, 0, 0)) return C; }
#define MNG_ERRORZ(D,Z) { if (!mng_process_error (D, MNG_ZLIBERROR, Z, 0)) return MNG_ZLIBERROR; }
#define MNG_ERRORJ(D,J) { if (!mng_process_error (D, MNG_JPEGERROR, J, 0)) return MNG_JPEGERROR; }
#define MNG_ERRORL(D,L) { if (!mng_process_error (D, MNG_LCMSERROR, L, 0)) return MNG_LCMSERROR; }
#else
#define MNG_ERROR(D,C) { mng_process_error (D, C, 0, 0); return C; }
#define MNG_ERRORZ(D,Z) { mng_process_error (D, MNG_ZLIBERROR, Z, 0); return MNG_ZLIBERROR; }
#define MNG_ERRORJ(D,J) { mng_process_error (D, MNG_JPEGERROR, J, 0); return MNG_JPEGERROR; }
#define MNG_ERRORL(D,L) { mng_process_error (D, MNG_LCMSERROR, L, 0); return MNG_LCMSERROR; }
#endif
#define MNG_RETURN(D,C) { mng_store_error (D, C, 0, 0); return C; }
#define MNG_WARNING(D,C) { if (!mng_process_error (D, C, 0, 0)) return C; }
#define MNG_VALIDHANDLE(H) { if ((H == 0) || (((mng_datap)H)->iMagic != MNG_MAGIC)) \
return MNG_INVALIDHANDLE; }
#define MNG_VALIDHANDLEX(H) { if ((H == 0) || (((mng_datap)H)->iMagic != MNG_MAGIC)) \
return 0; }
#define MNG_VALIDCB(D,C) { if (!((mng_datap)D)->C) \
MNG_ERROR (((mng_datap)D), MNG_NOCALLBACK) }
/* ************************************************************************** */
/* * * */
/* * Error string-table entry * */
/* * * */
/* ************************************************************************** */
typedef struct {
mng_retcode iError;
mng_pchar zErrortext;
} mng_error_entry;
typedef mng_error_entry const * mng_error_entryp;
/* ************************************************************************** */
#endif /* _libmng_error_h_ */
/* ************************************************************************** */
/* * end of file * */
/* ************************************************************************** */
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