81 lines
2.4 KiB
C
81 lines
2.4 KiB
C
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/* err/gsl_message.h
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*
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* Copyright (C) 1996, 1997, 1998, 1999, 2000, 2007 Gerard Jungman, Brian Gough
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or (at
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* your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef __GSL_MESSAGE_H__
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#define __GSL_MESSAGE_H__
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#include <gsl/gsl_types.h>
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#undef __BEGIN_DECLS
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#undef __END_DECLS
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#ifdef __cplusplus
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# define __BEGIN_DECLS extern "C" {
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# define __END_DECLS }
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#else
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# define __BEGIN_DECLS /* empty */
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# define __END_DECLS /* empty */
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#endif
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__BEGIN_DECLS
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/* Provide a general messaging service for client use. Messages can
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* be selectively turned off at compile time by defining an
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* appropriate message mask. Client code which uses the GSL_MESSAGE()
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* macro must provide a mask which is or'ed with the GSL_MESSAGE_MASK.
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*
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* The messaging service can be completely turned off
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* by defining GSL_MESSAGING_OFF. */
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void gsl_message(const char * message, const char * file, int line,
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unsigned int mask);
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#ifndef GSL_MESSAGE_MASK
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#define GSL_MESSAGE_MASK 0xffffffffu /* default all messages allowed */
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#endif
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GSL_VAR unsigned int gsl_message_mask ;
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/* Provide some symolic masks for client ease of use. */
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enum {
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GSL_MESSAGE_MASK_A = 1,
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GSL_MESSAGE_MASK_B = 2,
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GSL_MESSAGE_MASK_C = 4,
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GSL_MESSAGE_MASK_D = 8,
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GSL_MESSAGE_MASK_E = 16,
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GSL_MESSAGE_MASK_F = 32,
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GSL_MESSAGE_MASK_G = 64,
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GSL_MESSAGE_MASK_H = 128
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} ;
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#ifdef GSL_MESSAGING_OFF /* throw away messages */
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#define GSL_MESSAGE(message, mask) do { } while(0)
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#else /* output all messages */
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#define GSL_MESSAGE(message, mask) \
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do { \
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if (mask & GSL_MESSAGE_MASK) \
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gsl_message (message, __FILE__, __LINE__, mask) ; \
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} while (0)
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#endif
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__END_DECLS
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#endif /* __GSL_MESSAGE_H__ */
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