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1 dashley 25 // $Header: /cvsroot/esrg/sfesrg/esrgpcpj/shared/c_datd/charfunc.h,v 1.5 2002/05/01 21:51:44 dtashley Exp $
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3     //--------------------------------------------------------------------------------
4     //Copyright 2001 David T. Ashley
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683     //-------------------------------------------------------------------------------------------------
684     //--------------------------------------------------------------------------------
685     #ifndef CHARFUNC_H_INCLUDED
686     #define CHARFUNC_H_INCLUDED
687    
688     #ifdef MODULE_CHARFUNC
689     #define DECMOD_CHARFUNC
690     #else
691     #define DECMOD_CHARFUNC extern
692     #endif
693    
694     //Returns the value of a digit (0-9), or -1 if the
695     //passed character is not a digit.
696     DECMOD_CHARFUNC int CHARFUNC_digit_to_val(char digit);
697    
698     //Returns a lower-case character corresponding to the
699     //lowest nibble of the argument.
700     DECMOD_CHARFUNC char CHARFUNC_nibble_to_lc_hex_digit(int nibble);
701    
702     //Converts a passed integer to 8 hex digits, lower case letters,
703     //in reverse order (LSB first), with no terminator. s may not
704     //be null, and caller must provide space for s[0] through s[7].
705     //s[8] is not necessary (no terminator is appended.
706     DECMOD_CHARFUNC void CHARFUNC_int_to_lc_hex_rev(int arg, char *s);
707    
708     DECMOD_CHARFUNC const char *CHARFUNC_cvcinfo(void);
709     DECMOD_CHARFUNC const char *CHARFUNC_hvcinfo(void);
710     #define CHARFUNC_H_VERSION ("$Header: /cvsroot/esrg/sfesrg/esrgpcpj/shared/c_datd/charfunc.h,v 1.5 2002/05/01 21:51:44 dtashley Exp $")
711     #endif
712    
713    
714     //**************************************************************************
715     // $Log: charfunc.h,v $
716     // Revision 1.5 2002/05/01 21:51:44 dtashley
717     // Completion of MD5 implementation. Implementation does not work correctly,
718     // and need to debug. Noticed in MD5 result that first hex digit of MD5 digest
719     // is always "8"--this is definitely a problem as this can't happen in practice.
720     // Checking in for baseline to debug.
721     //
722     // Revision 1.4 2001/07/16 17:46:46 dtashley
723     // Multiplication finished, and only indirectly unit-tested. More detailed unit
724     // test must follow, but expect no problems.
725     //
726     // Revision 1.3 2001/07/13 21:02:20 dtashley
727     // Version control reporting changes.
728     //
729     // Revision 1.2 2001/07/13 20:44:42 dtashley
730     // Changes, CVS keyword expansion test.
731     //
732     // Revision 1.1 2001/07/13 19:05:23 dtashley
733     // Files added.
734     //
735     //**************************************************************************
736     // End of CHARFUNC.h.

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