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