193 lines
6.0 KiB
C
193 lines
6.0 KiB
C
/*
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* COMPONENT_NAME: BLDPROCESS
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*
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* FUNCTIONS: defined
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* fold
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* folddown
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* foldup
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*
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* ORIGINS: 27,71
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*
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* This module contains IBM CONFIDENTIAL code. -- (IBM
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* Confidential Restricted when combined with the aggregated
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* modules for this product)
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* SOURCE MATERIALS
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*
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* (C) COPYRIGHT International Business Machines Corp. 1994
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* All Rights Reserved
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* US Government Users Restricted Rights - Use, duplication or
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* disclosure restricted by GSA ADP Schedule Contract with IBM Corp.
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*/
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/*
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* @OSF_FREE_COPYRIGHT@
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* COPYRIGHT NOTICE
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* Copyright (c) 1992, 1991, 1990
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* Open Software Foundation, Inc.
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*
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* Permission is hereby granted to use, copy, modify and freely distribute
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* the software in this file and its documentation for any purpose without
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* fee, provided that the above copyright notice appears in all copies and
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* that both the copyright notice and this permission notice appear in
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* supporting documentation. Further, provided that the name of Open
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* Software Foundation, Inc. ("OSF") not be used in advertising or
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* publicity pertaining to distribution of the software without prior
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* written permission from OSF. OSF makes no representations about the
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* suitability of this software for any purpose. It is provided "as is"
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* without express or implied warranty.
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* COPYRIGHT NOTICE
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* Copyright (c) 1992, 1991, 1990
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* Open Software Foundation, Inc.
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*
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* Permission is hereby granted to use, copy, modify and freely distribute
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* the software in this file and its documentation for any purpose without
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* fee, provided that the above copyright notice appears in all copies and
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* that both the copyright notice and this permission notice appear in
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* supporting documentation. Further, provided that the name of Open
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* Software Foundation, Inc. ("OSF") not be used in advertising or
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* publicity pertaining to distribution of the software without prior
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* written permission from OSF. OSF makes no representations about the
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* suitability of this software for any purpose. It is provided "as is"
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* without express or implied warranty.
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*
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* Copyright (c) 1992 Carnegie Mellon University
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* All Rights Reserved.
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*
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* Permission to use, copy, modify and distribute this software and its
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* documentation is hereby granted, provided that both the copyright
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* notice and this permission notice appear in all copies of the
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* software, derivative works or modified versions, and any portions
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* thereof, and that both notices appear in supporting documentation.
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*
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* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
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* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
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* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
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*
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* Carnegie Mellon requests users of this software to return to
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*
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* Software Distribution Coordinator or Software_Distribution@CS.CMU.EDU
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* School of Computer Science
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* Carnegie Mellon University
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* Pittsburgh PA 15213-3890
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*
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* any improvements or extensions that they make and grant Carnegie Mellon
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* the rights to redistribute these changes.
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*/
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/*
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* HISTORY
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* $Log: fold.c,v $
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* Revision 1.7.5.2 1993/04/27 20:20:15 damon
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* CR 463. Made pedantic changes
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* [1993/04/27 20:20:04 damon]
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*
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* Revision 1.7.5.1 1993/04/27 20:20:14 damon
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* *** Initial Branch Revision ***
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*
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* Revision 1.7.2.3 1992/12/03 17:20:51 damon
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* ODE 2.2 CR 183. Added CMU notice
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* [1992/12/03 17:08:11 damon]
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*
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* Revision 1.7.2.2 1992/12/02 20:26:07 damon
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* ODE 2.2 CR 183. Added CMU notice
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* [1992/12/02 20:23:15 damon]
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*
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* Revision 1.7 1991/12/05 21:04:55 devrcs
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* Added _FREE_ to copyright marker
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* [91/08/01 08:11:27 mckeen]
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*
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* rcsid/RCSfile header cleanup
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* [90/12/01 17:23:59 dwm]
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*
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* Revision 1.5 90/10/07 20:03:20 devrcs
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* Added EndLog Marker.
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* [90/09/28 20:09:03 gm]
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*
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* Revision 1.4 90/08/09 14:23:06 devrcs
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* Moved here from usr/local/sdm/lib/libsb.
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* [90/08/05 12:46:53 gm]
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*
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* Revision 1.3 90/06/29 14:38:36 devrcs
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* Moved here from defunct libcs library.
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* [90/06/23 14:21:02 gm]
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*
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* Revision 1.2 90/01/02 19:26:46 gm
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* Fixes for first snapshot.
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*
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* Revision 1.1 89/12/26 10:13:48 gm
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* Current version from CMU.
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* [89/12/23 gm]
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*
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* Unexported original fold routine.
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* [86/09/23 gm0w]
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*
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* Rewritten for VAX. The foldup() and folddown() routines
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* are new.
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* [79/11/20 sas]
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*
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* $EndLog$
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*/
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#ifndef lint
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static char sccsid[] = "@(#)82 1.1 src/bldenv/sbtools/libode/fold.c, bldprocess, bos412, GOLDA411a 1/19/94 17:41:04";
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#endif /* not lint */
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#if !defined(lint) && !defined(_NOIDENT)
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static char rcsid[] = "@(#)$RCSfile: fold.c,v $ $Revision: 1.7.5.2 $ (OSF) $Date: 1993/04/27 20:20:15 $";
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#endif
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/* fold -- perform case folding
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*
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* Usage: p = foldup (out,in);
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* p = folddown (out,in);
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* char *p,*in,*out;
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*
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* Fold performs case-folding, moving string "in" to
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* "out" and folding one case to another en route.
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* Folding may be upper-to-lower case (folddown) or
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* lower-to-upper case.
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* Foldup folds to upper case; folddown folds to lower case.
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* The same string may be specified as both "in" and "out".
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* The address of "out" is returned for convenience.
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*/
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typedef enum {FOLDUP, FOLDDOWN} FOLDMODE;
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static
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char *fold ( char *in, char*out, FOLDMODE whichway )
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{
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register char *i,*o;
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register char lower;
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char upper;
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int delta;
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switch (whichway)
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{
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case FOLDUP:
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lower = 'a'; /* lower bound of range to change */
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upper = 'z'; /* upper bound of range */
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delta = 'A' - 'a'; /* amount of change */
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break;
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case FOLDDOWN:
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lower = 'A';
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upper = 'Z';
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delta = 'a' - 'A';
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}
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i = in;
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o = out;
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do {
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if (*i >= lower && *i <= upper) *o++ = *i++ + delta;
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else *o++ = *i++;
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}
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while (*i);
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*o = '\0';
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return (out);
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}
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char *foldup ( char *in, char *out )
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{
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return (fold(out,in,FOLDUP));
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}
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char *folddown ( char *in, char*out )
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{
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return (fold(out,in,FOLDDOWN));
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}
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