status.c

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    1 /**
    2  * MOAB, a Mesh-Oriented datABase, is a software component for creating,
    3  * storing and accessing finite element mesh data.
    4  *
    5  * Copyright 2004 Sandia Corporation.  Under the terms of Contract
    6  * DE-AC04-94AL85000 with Sandia Corporation, the U.S. Government
    7  * retains certain rights in this software.
    8  *
    9  * This library is free software; you can redistribute it and/or
   10  * modify it under the terms of the GNU Lesser General Public
   11  * License as published by the Free Software Foundation; either
   12  * version 2.1 of the License, or (at your option) any later version.
   13  *
   14  */
   15  
   16 #include <stdarg.h>
   17 #include <stdio.h>
   18 #include <string.h>
   19  
   20 #include "status.h"
   21  
   22 #ifdef _WIN32
   23 #define vsnprintf( A, B, C, D ) _vsnprintf( ( A ), ( B ), ( C ), ( D ) )
   24 #endif
   25  
   26 int mhdf_isError( mhdf_Status const* status )
   27 {
   28     return !!status->message[0];
   29 }
   30  
   31 const char* mhdf_message( mhdf_Status const* status )
   32 {
   33     return status->message;
   34 }
   35  
   36 void mhdf_setOkay( mhdf_Status* status )
   37 {
   38     if( status ) status->message[0] = '\0';
   39 }
   40  
   41 void mhdf_setFail( mhdf_Status* status, const char* fmt, ... )
   42 {
   43     if( status )
   44     {
   45         va_list args;
   46         va_start( args, fmt );
   47         vsnprintf( status->message, MHDF_MESSAGE_BUFFER_LEN, fmt, args );
   48         va_end( args );
   49         if( !status->message[0] ) strncpy( status->message, "(Uknown error)", MHDF_MESSAGE_BUFFER_LEN );
   50     }
   51 }