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Revision 42 - (show annotations) (download)
Fri Oct 14 01:50:00 2016 UTC (7 years, 5 months ago) by dashley
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Move shared source code to commonize.
1 // $Header: /cvsroot/esrg/sfesrg/esrgpcpj/shared/c_datd/charfunc.c,v 1.4 2002/05/01 21:51:44 dtashley Exp $
2
3 //--------------------------------------------------------------------------------
4 //Copyright 2001 David T. Ashley
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571 // 14. Revised Versions of this License.
572 //
573 // The Free Software Foundation may publish revised and/or new versions of
574 //the GNU General Public License from time to time. Such new versions will
575 //be similar in spirit to the present version, but may differ in detail to
576 //address new problems or concerns.
577 //
578 // Each version is given a distinguishing version number. If the
579 //Program specifies that a certain numbered version of the GNU General
580 //Public License "or any later version" applies to it, you have the
581 //option of following the terms and conditions either of that numbered
582 //version or of any later version published by the Free Software
583 //Foundation. If the Program does not specify a version number of the
584 //GNU General Public License, you may choose any version ever published
585 //by the Free Software Foundation.
586 //
587 // If the Program specifies that a proxy can decide which future
588 //versions of the GNU General Public License can be used, that proxy's
589 //public statement of acceptance of a version permanently authorizes you
590 //to choose that version for the Program.
591 //
592 // Later license versions may give you additional or different
593 //permissions. However, no additional obligations are imposed on any
594 //author or copyright holder as a result of your choosing to follow a
595 //later version.
596 //
597 // 15. Disclaimer of Warranty.
598 //
599 // THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
600 //APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
601 //HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
602 //OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
603 //THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
604 //PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
605 //IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
606 //ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
607 //
608 // 16. Limitation of Liability.
609 //
610 // IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
611 //WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
612 //THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
613 //GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
614 //USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
615 //DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
616 //PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
617 //EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
618 //SUCH DAMAGES.
619 //
620 // 17. Interpretation of Sections 15 and 16.
621 //
622 // If the disclaimer of warranty and limitation of liability provided
623 //above cannot be given local legal effect according to their terms,
624 //reviewing courts shall apply local law that most closely approximates
625 //an absolute waiver of all civil liability in connection with the
626 //Program, unless a warranty or assumption of liability accompanies a
627 //copy of the Program in return for a fee.
628 //
629 // END OF TERMS AND CONDITIONS
630 //
631 // How to Apply These Terms to Your New Programs
632 //
633 // If you develop a new program, and you want it to be of the greatest
634 //possible use to the public, the best way to achieve this is to make it
635 //free software which everyone can redistribute and change under these terms.
636 //
637 // To do so, attach the following notices to the program. It is safest
638 //to attach them to the start of each source file to most effectively
639 //state the exclusion of warranty; and each file should have at least
640 //the "copyright" line and a pointer to where the full notice is found.
641 //
642 // <one line to give the program's name and a brief idea of what it does.>
643 // Copyright (C) <year> <name of author>
644 //
645 // This program is free software: you can redistribute it and/or modify
646 // it under the terms of the GNU General Public License as published by
647 // the Free Software Foundation, either version 3 of the License, or
648 // (at your option) any later version.
649 //
650 // This program is distributed in the hope that it will be useful,
651 // but WITHOUT ANY WARRANTY; without even the implied warranty of
652 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
653 // GNU General Public License for more details.
654 //
655 // You should have received a copy of the GNU General Public License
656 // along with this program. If not, see <http://www.gnu.org/licenses/>.
657 //
658 //Also add information on how to contact you by electronic and paper mail.
659 //
660 // If the program does terminal interaction, make it output a short
661 //notice like this when it starts in an interactive mode:
662 //
663 // <program> Copyright (C) <year> <name of author>
664 // This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
665 // This is free software, and you are welcome to redistribute it
666 // under certain conditions; type `show c' for details.
667 //
668 //The hypothetical commands `show w' and `show c' should show the appropriate
669 //parts of the General Public License. Of course, your program's commands
670 //might be different; for a GUI interface, you would use an "about box".
671 //
672 // You should also get your employer (if you work as a programmer) or school,
673 //if any, to sign a "copyright disclaimer" for the program, if necessary.
674 //For more information on this, and how to apply and follow the GNU GPL, see
675 //<http://www.gnu.org/licenses/>.
676 //
677 // The GNU General Public License does not permit incorporating your program
678 //into proprietary programs. If your program is a subroutine library, you
679 //may consider it more useful to permit linking proprietary applications with
680 //the library. If this is what you want to do, use the GNU Lesser General
681 //Public License instead of this License. But first, please read
682 //<http://www.gnu.org/philosophy/why-not-lgpl.html>.
683 //-------------------------------------------------------------------------------------------------
684 //--------------------------------------------------------------------------------
685 #define MODULE_CHARFUNC
686
687 #include <assert.h>
688 #include <stddef.h>
689
690 #include "charfunc.h"
691
692
693 int CHARFUNC_digit_to_val(char digit)
694 {
695 switch (digit)
696 {
697 case '0': return(0);
698 break;
699 case '1': return(1);
700 break;
701 case '2': return(2);
702 break;
703 case '3': return(3);
704 break;
705 case '4': return(4);
706 break;
707 case '5': return(5);
708 break;
709 case '6': return(6);
710 break;
711 case '7': return(7);
712 break;
713 case '8': return(8);
714 break;
715 case '9': return(9);
716 break;
717 default: return(-1);
718 break;
719 }
720 }
721
722
723 char CHARFUNC_nibble_to_lc_hex_digit(int nibble)
724 {
725 switch (nibble & 0x0F)
726 {
727 case 0:
728 return('0');
729 break;
730 case 1:
731 return('1');
732 break;
733 case 2:
734 return('2');
735 break;
736 case 3:
737 return('3');
738 break;
739 case 4:
740 return('4');
741 break;
742 case 5:
743 return('5');
744 break;
745 case 6:
746 return('6');
747 break;
748 case 7:
749 return('7');
750 break;
751 case 8:
752 return('8');
753 break;
754 case 9:
755 return('9');
756 break;
757 case 10:
758 return('a');
759 break;
760 case 11:
761 return('b');
762 break;
763 case 12:
764 return('c');
765 break;
766 case 13:
767 return('d');
768 break;
769 case 14:
770 return('e');
771 break;
772 case 15:
773 return('f');
774 break;
775 default:
776 assert(0);
777 return('?');
778 break;
779 }
780 }
781
782
783 void CHARFUNC_int_to_lc_hex_rev(int arg, char *s)
784 {
785 int i;
786
787 assert(s != NULL);
788
789 for (i=0; i<8; i++)
790 {
791 s[i] = CHARFUNC_nibble_to_lc_hex_digit(arg);
792 arg >>= 4;
793 }
794 }
795
796 const char *CHARFUNC_cvcinfo(void)
797 {
798 return("$Header: /cvsroot/esrg/sfesrg/esrgpcpj/shared/c_datd/charfunc.c,v 1.4 2002/05/01 21:51:44 dtashley Exp $");
799 }
800
801
802 const char *CHARFUNC_hvcinfo(void)
803 {
804 return(CHARFUNC_H_VERSION);
805 }
806
807
808 //**************************************************************************
809 // $Log: charfunc.c,v $
810 // Revision 1.4 2002/05/01 21:51:44 dtashley
811 // Completion of MD5 implementation. Implementation does not work correctly,
812 // and need to debug. Noticed in MD5 result that first hex digit of MD5 digest
813 // is always "8"--this is definitely a problem as this can't happen in practice.
814 // Checking in for baseline to debug.
815 //
816 // Revision 1.3 2001/07/16 17:46:46 dtashley
817 // Multiplication finished, and only indirectly unit-tested. More detailed unit
818 // test must follow, but expect no problems.
819 //
820 // Revision 1.2 2001/07/13 21:02:20 dtashley
821 // Version control reporting changes.
822 //
823 // Revision 1.1 2001/07/13 19:05:23 dtashley
824 // Files added.
825 //
826 //**************************************************************************
827 // End of CHARFUNC.C.

dashley@gmail.com
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