source: branches/branch-1-0/src/helpers/nls.c@ 297

Last change on this file since 297 was 222, checked in by umoeller, 23 years ago

Minor adjustments for new static handling.
  • Property svn:eol-style set to CRLF
  • Property svn:keywords set to Author Date Id Revision
File size: 24.5 KB
Line 
1
2/*
3 *@@sourcefile nls.c:
4 * contains a few helpers for National Language Support (NLS),
5 * such as printing strings with the format specified by
6 * the "Country" object.
7 *
8 * Usage: All OS/2 programs.
9 *
10 * Function prefixes (new with V0.81):
11 * -- nls* NLS helpers
12 *
13 * This file is new with 0.9.16, but contains functions
14 * formerly in stringh.c.
15 *
16 * Note: Version numbering in this file relates to XWorkplace version
17 * numbering.
18 *
19 *@@header "helpers\nls.h"
20 *@@added V0.9.16 (2001-10-11) [umoeller]
21 */
22
23/*
24 * Copyright (C) 1997-2002 Ulrich M”ller.
25 * This file is part of the "XWorkplace helpers" source package.
26 * This is free software; you can redistribute it and/or modify
27 * it under the terms of the GNU General Public License as published
28 * by the Free Software Foundation, in version 2 as it comes in the
29 * "COPYING" file of the XWorkplace main distribution.
30 * This program is distributed in the hope that it will be useful,
31 * but WITHOUT ANY WARRANTY; without even the implied warranty of
32 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
33 * GNU General Public License for more details.
34 */
35
36#define OS2EMX_PLAIN_CHAR
37 // this is needed for "os2emx.h"; if this is defined,
38 // emx will define PSZ as _signed_ char, otherwise
39 // as unsigned char
40
41#define INCL_DOSNLS
42#define INCL_DOSDATETIME
43#define INCL_DOSERRORS
44#define INCL_WINSHELLDATA
45#include <os2.h>
46
47#include <stdlib.h>
48#include <stdio.h>
49#include <string.h>
50#include <math.h>
51
52// XWP's setup.h replaces strchr and the like, and
53// we want the originals in here
54#define DONT_REPLACE_FOR_DBCS
55#include "setup.h" // code generation and debugging options
56
57#include "helpers\nls.h"
58#include "helpers\prfh.h"
59#include "helpers\standards.h"
60
61#pragma hdrstop
62
63/*
64 *@@category: Helpers\National Language Support
65 * See nls.c.
66 */
67
68/* ******************************************************************
69 *
70 * DBCS support
71 *
72 ********************************************************************/
73
74#define MAX_LEADBYTE 256
75
76#pragma pack(1)
77
78typedef struct _DBCSVECTOR
79{
80 BYTE bLow;
81 BYTE bHigh;
82} DBCSVECTOR;
83
84#pragma pack()
85
86BOOL G_afLeadByte[MAX_LEADBYTE] = {0};
87ULONG G_fDBCS = 2; // not queried yet
88COUNTRYCODE G_cc = { 0, 0 };
89DBCSVECTOR G_aDBCSVector[8];
90
91/*
92 *@@ nlsDBCS:
93 * returns TRUE if the system is currently using DBCS.
94 *
95 *@@added V0.9.19 (2002-06-13) [umoeller]
96 *@@changed V0.9.20 (2002-07-03) [umoeller]: fixed, this never worked
97 */
98
99BOOL nlsDBCS(VOID)
100{
101 APIRET arc;
102
103 if (G_fDBCS != 2)
104 // already queried:
105 return G_fDBCS;
106
107 // V0.9.20 (2002-07-03) [umoeller]
108 // assume a non-DBCS system UNLESS the below
109 // loop gives us something meaningful; even
110 // on non-DBCS systems like mine, DosQueryDBCSEnv
111 // does not return an error
112 G_fDBCS = FALSE;
113
114 if (!(arc = DosQueryDBCSEnv(8 * sizeof(DBCSVECTOR),
115 &G_cc,
116 (PCHAR)G_aDBCSVector)))
117 {
118 int i;
119 for (i = 0;
120 i < 8;
121 ++i)
122 {
123 if ( (G_aDBCSVector[i].bLow)
124 && (G_aDBCSVector[i].bHigh)
125 )
126 {
127 int n;
128 for (n = G_aDBCSVector[i].bLow;
129 n <= G_aDBCSVector[i].bHigh;
130 ++n)
131 G_afLeadByte[n] = TRUE;
132 G_fDBCS = TRUE;
133 }
134 else
135 break;
136 }
137 }
138
139 return G_fDBCS;
140}
141
142/*
143 *@@ nlsQueryDBCSChar:
144 * returns the type of the DBCS character with
145 * the given index. Note that the index is the
146 * DBCS character index, not just the array
147 * index into the CHAR array.
148 *
149 * Returns:
150 *
151 * -- TYPE_SBCS: ulOfs is single byte.
152 *
153 * -- TYPE_DBCS_1ST: ulOfs is a double-byte lead char.
154 *
155 * -- TYPE_DBCS_2ND: ulOfs is a double-byte trail char.
156 *
157 * Preconditions:
158 *
159 * -- nlsDBCS must have been called to initialize our
160 * globals, and must have returned TRUE.
161 *
162 *@@added V0.9.19 (2002-06-13) [umoeller]
163 */
164
165ULONG nlsQueryDBCSChar(PCSZ pcszString,
166 ULONG ulOfs)
167
168{
169 ULONG ulDBCSType = TYPE_SBCS;
170 ULONG i;
171
172 for (i = 0;
173 i <= ulOfs;
174 ++i)
175 {
176 switch (ulDBCSType)
177 {
178 case TYPE_SBCS:
179 case TYPE_DBCS_2ND:
180 ulDBCSType = G_afLeadByte[pcszString[i]];
181 break;
182
183 case TYPE_DBCS_1ST :
184 ulDBCSType = TYPE_DBCS_2ND;
185 break;
186 }
187 }
188
189 return ulDBCSType;
190}
191
192/*
193 *@@ nlschr:
194 * replacement for strchr with DBCS support.
195 *
196 * If the system is not running with DBCS,
197 * this calls plain strchr automatically.
198 *
199 *@@added V0.9.19 (2002-06-13) [umoeller]
200 *@@changed V0.9.20 (2002-07-22) [umoeller]: optimized
201 *@@changed V0.9.20 (2002-07-22) [lafaix]: optimized
202 */
203
204PSZ nlschr(PCSZ p, char c)
205{
206 PCSZ p2;
207 ULONG ulDBCSType = TYPE_SBCS;
208
209 if (!nlsDBCS())
210 // not DBCS:
211 return strchr(p, c);
212
213 // we're on DBCS:
214
215 // we can't find c if it is a leading byte
216 if (G_afLeadByte[c] != TYPE_SBCS)
217 return NULL;
218
219 for (p2 = p;
220 *p2;
221 ++p2)
222 {
223 // check _previous_ DBCS type and refresh
224 // DBCS type accordingly
225 switch (ulDBCSType)
226 {
227 case TYPE_SBCS:
228 case TYPE_DBCS_2ND:
229 ulDBCSType = G_afLeadByte[*p2];
230 // we can safely do the test here (and skip rechecking
231 // the type) because c can't possibly be a leading byte
232 // V0.9.20 (2002-07-22) [lafaix]
233 if (*p2 == c)
234 return (PSZ)p2;
235 break;
236
237 case TYPE_DBCS_1ST :
238 ulDBCSType = TYPE_DBCS_2ND;
239 break;
240 }
241 }
242
243 /* old code V0.9.20 (2002-07-22) [umoeller]
244 // we're on DBCS:
245 for (p2 = p;
246 *p2;
247 ++p2)
248 {
249 if (*p2 == c)
250 {
251 // match: return this only if it's SBCS;
252 // if it's a DBCS lead char, skip it
253 switch (ulDBCS = nlsQueryDBCSChar(p, p2 - p))
254 {
255 case TYPE_SBCS:
256 return (PSZ)p2;
257
258 case TYPE_DBCS_1ST:
259 ++p2;
260 }
261 }
262 }
263 */
264
265 return NULL;
266}
267
268/*
269 *@@ nlsrchr:
270 * replacement for strrchr with DBCS support.
271 *
272 * If the system is not running with DBCS,
273 * this calls plain strrchr automatically.
274 *
275 *@@added V0.9.19 (2002-06-13) [umoeller]
276 *@@changed V0.9.20 (2002-07-22) [lafaix]: optimized
277 */
278
279PSZ nlsrchr(PCSZ p, char c)
280{
281 PCSZ p2,
282 pLast = NULL;
283 ULONG ulDBCSType = TYPE_SBCS;
284
285 if (!nlsDBCS())
286 // not DBCS:
287 return strrchr(p, c);
288
289 // we're on DBCS:
290
291 // we can't find c if it is a leading byte
292 if (G_afLeadByte[c] != TYPE_SBCS)
293 return NULL;
294
295 for (p2 = p;
296 *p2;
297 ++p2)
298 {
299 // check _previous_ DBCS type and refresh
300 // DBCS type accordingly
301 switch (ulDBCSType)
302 {
303 case TYPE_SBCS:
304 case TYPE_DBCS_2ND:
305 ulDBCSType = G_afLeadByte[*p2];
306 if (*p2 == c)
307 pLast = p2;
308 break;
309
310 case TYPE_DBCS_1ST :
311 ulDBCSType = TYPE_DBCS_2ND;
312 break;
313 }
314 }
315
316 return (PSZ)pLast;
317
318 // old code V0.9.20 (2002-07-22) [lafaix]
319 /*
320 ulLength = strlen(p);
321 for (p2 = p + ulLength - 1;
322 p2 >= p;
323 --p2)
324 {
325 if (*p2 == c)
326 {
327 // match: return this only if it's SBCS;
328 // if it's a DBCS trail char, skip it
329 switch (ulDBCS = nlsQueryDBCSChar(p, p2 - p))
330 {
331 case TYPE_SBCS:
332 return (PSZ)p2;
333
334 case TYPE_DBCS_2ND:
335 --p2;
336 }
337 }
338 }
339
340 return NULL;
341 */
342}
343
344/* ******************************************************************
345 *
346 * Country-dependent formatting
347 *
348 ********************************************************************/
349
350/*
351 *@@ nlsQueryCountrySettings:
352 * this returns the most frequently used country settings
353 * all at once into a COUNTRYSETTINGS structure (prfh.h).
354 * This data corresponds to the user settings in the
355 * WPS "Country" object (which writes the data in "PM_National"
356 * in OS2.INI).
357 *
358 * In case a key cannot be found, the following (English)
359 * default values are set:
360 * -- ulDateFormat = 0 (English date format, mm.dd.yyyy);
361 * -- ulTimeFormat = 0 (12-hour clock);
362 * -- cDateSep = '/' (date separator);
363 * -- cTimeSep = ':' (time separator);
364 * -- cDecimal = '.' (decimal separator).
365 * -- cThousands = ',' (thousands separator).
366 *
367 *@@added V0.9.0 [umoeller]
368 *@@changed V0.9.7 (2000-12-02) [umoeller]: added cDecimal
369 */
370
371VOID nlsQueryCountrySettings(PCOUNTRYSETTINGS pcs)
372{
373 if (pcs)
374 {
375 pcs->ulDateFormat = PrfQueryProfileInt(HINI_USER,
376 (PSZ)PMINIAPP_NATIONAL,
377 "iDate",
378 0);
379 pcs->ulTimeFormat = PrfQueryProfileInt(HINI_USER,
380 (PSZ)PMINIAPP_NATIONAL,
381 "iTime",
382 0);
383 pcs->cDateSep = prfhQueryProfileChar(HINI_USER,
384 (PSZ)PMINIAPP_NATIONAL,
385 "sDate",
386 '/');
387 pcs->cTimeSep = prfhQueryProfileChar(HINI_USER,
388 (PSZ)PMINIAPP_NATIONAL,
389 "sTime",
390 ':');
391 pcs->cDecimal = prfhQueryProfileChar(HINI_USER,
392 (PSZ)PMINIAPP_NATIONAL,
393 "sDecimal",
394 '.');
395 pcs->cThousands = prfhQueryProfileChar(HINI_USER,
396 (PSZ)PMINIAPP_NATIONAL,
397 "sThousand",
398 ',');
399 }
400}
401
402/*
403 *@@ nlsThousandsULong:
404 * converts a ULONG into a decimal string, while
405 * inserting thousands separators into it. Specify
406 * the separator character in cThousands.
407 *
408 * Returns pszTarget so you can use it directly
409 * with sprintf and the "%s" flag.
410 *
411 * For cThousands, you should use the data in
412 * OS2.INI ("PM_National" application), which is
413 * always set according to the "Country" object.
414 * You can use nlsQueryCountrySettings to
415 * retrieve this setting.
416 *
417 * Use nlsThousandsDouble for "double" values.
418 *
419 *@@changed V0.9.20 (2002-07-03) [umoeller]: optimized
420 */
421
422PSZ nlsThousandsULong(PSZ pszTarget, // out: decimal as string
423 ULONG ul, // in: decimal to convert
424 CHAR cThousands) // in: separator char (e.g. '.')
425{
426 USHORT ust, uss, usc;
427 CHAR szTemp[40];
428 usc = sprintf(szTemp, "%lu", ul); // V0.9.20 (2002-07-03) [umoeller]
429
430 ust = 0;
431 // usc = strlen(szTemp);
432 for (uss = 0; uss < usc; uss++)
433 {
434 if (uss)
435 if (((usc - uss) % 3) == 0)
436 {
437 pszTarget[ust] = cThousands;
438 ust++;
439 }
440 pszTarget[ust] = szTemp[uss];
441 ust++;
442 }
443 pszTarget[ust] = '\0';
444
445 return pszTarget;
446}
447
448/*
449 * strhThousandsULong:
450 * wrapper around nlsThousandsULong for those
451 * who used the XFLDR.DLL export.
452 *
453 *added V0.9.16 (2001-10-11) [umoeller]
454 */
455
456PSZ APIENTRY strhThousandsULong(PSZ pszTarget, // out: decimal as string
457 ULONG ul, // in: decimal to convert
458 CHAR cThousands) // in: separator char (e.g. '.')
459{
460 return nlsThousandsULong(pszTarget, ul, cThousands);
461}
462
463/*
464 *@@ nlsThousandsDouble:
465 * like nlsThousandsULong, but for a "double"
466 * value. Note that after-comma values are truncated.
467 *
468 *@@changed V0.9.20 (2002-07-03) [umoeller]: optimized
469 */
470
471PSZ nlsThousandsDouble(PSZ pszTarget,
472 double dbl,
473 CHAR cThousands)
474{
475 USHORT ust, uss, usc;
476 CHAR szTemp[40];
477 usc = sprintf(szTemp, "%.0f", floor(dbl)); // V0.9.20 (2002-07-03) [umoeller]
478
479 ust = 0;
480 // usc = strlen(szTemp);
481 for (uss = 0; uss < usc; uss++)
482 {
483 if (uss)
484 if (((usc - uss) % 3) == 0)
485 {
486 pszTarget[ust] = cThousands;
487 ust++;
488 }
489 pszTarget[ust] = szTemp[uss];
490 ust++;
491 }
492 pszTarget[ust] = '\0';
493
494 return pszTarget;
495}
496
497/*
498 *@@ nlsVariableDouble:
499 * like nlsThousandsULong, but for a "double" value, and
500 * with a variable number of decimal places depending on the
501 * size of the quantity.
502 *
503 *@@added V0.9.6 (2000-11-12) [pr]
504 *@@changed V0.9.20 (2002-07-03) [umoeller]: now using PCSZ pcszUnits
505 */
506
507PSZ nlsVariableDouble(PSZ pszTarget,
508 double dbl,
509 PCSZ pcszUnits,
510 CHAR cThousands)
511{
512 if (dbl < 100.0)
513 sprintf(pszTarget, "%.2f%s", dbl, pcszUnits);
514 else
515 if (dbl < 1000.0)
516 sprintf(pszTarget, "%.1f%s", dbl, pcszUnits);
517 else
518 strcat(nlsThousandsDouble(pszTarget, dbl, cThousands),
519 pcszUnits);
520
521 return pszTarget;
522}
523
524/*
525 *@@ nlsFileDate:
526 * converts file date data to a string (to pszBuf).
527 * You can pass any FDATE structure to this function,
528 * which are returned in those FILEFINDBUF* or
529 * FILESTATUS* structs by the Dos* functions.
530 *
531 * ulDateFormat is the PM setting for the date format,
532 * as set in the "Country" object, and can be queried using
533 + PrfQueryProfileInt(HINI_USER, "PM_National", "iDate", 0);
534 *
535 * meaning:
536 * -- 0 mm.dd.yyyy (English)
537 * -- 1 dd.mm.yyyy (e.g. German)
538 * -- 2 yyyy.mm.dd (Japanese, ISO)
539 * -- 3 yyyy.dd.mm
540 *
541 * cDateSep is used as a date separator (e.g. '.').
542 * This can be queried using:
543 + prfhQueryProfileChar(HINI_USER, "PM_National", "sDate", '/');
544 *
545 * Alternatively, you can query all the country settings
546 * at once using nlsQueryCountrySettings (prfh.c).
547 *
548 *@@changed V0.9.0 (99-11-07) [umoeller]: now calling nlsDateTime
549 */
550
551VOID nlsFileDate(PSZ pszBuf, // out: string returned
552 FDATE *pfDate, // in: date information
553 ULONG ulDateFormat, // in: date format (0-3)
554 CHAR cDateSep) // in: date separator (e.g. '.')
555{
556 DATETIME dt;
557 dt.day = pfDate->day;
558 dt.month = pfDate->month;
559 dt.year = pfDate->year + 1980;
560
561 nlsDateTime(pszBuf,
562 NULL, // no time
563 &dt,
564 ulDateFormat,
565 cDateSep,
566 0, 0); // no time
567}
568
569/*
570 *@@ nlsFileTime:
571 * converts file time data to a string (to pszBuf).
572 * You can pass any FTIME structure to this function,
573 * which are returned in those FILEFINDBUF* or
574 * FILESTATUS* structs by the Dos* functions.
575 *
576 * ulTimeFormat is the PM setting for the time format,
577 * as set in the "Country" object, and can be queried using
578 + PrfQueryProfileInt(HINI_USER, "PM_National", "iTime", 0);
579 * meaning:
580 * -- 0 12-hour clock
581 * -- >0 24-hour clock
582 *
583 * cDateSep is used as a time separator (e.g. ':').
584 * This can be queried using:
585 + prfhQueryProfileChar(HINI_USER, "PM_National", "sTime", ':');
586 *
587 * Alternatively, you can query all the country settings
588 * at once using nlsQueryCountrySettings (prfh.c).
589 *
590 *@@changed V0.8.5 (99-03-15) [umoeller]: fixed 12-hour crash
591 *@@changed V0.9.0 (99-11-07) [umoeller]: now calling nlsDateTime
592 */
593
594VOID nlsFileTime(PSZ pszBuf, // out: string returned
595 FTIME *pfTime, // in: time information
596 ULONG ulTimeFormat, // in: 24-hour time format (0 or 1)
597 CHAR cTimeSep) // in: time separator (e.g. ':')
598{
599 DATETIME dt;
600 dt.hours = pfTime->hours;
601 dt.minutes = pfTime->minutes;
602 dt.seconds = pfTime->twosecs * 2;
603
604 nlsDateTime(NULL, // no date
605 pszBuf,
606 &dt,
607 0, 0, // no date
608 ulTimeFormat,
609 cTimeSep);
610}
611
612/*
613 *@@ nlsDateTime:
614 * converts Control Program DATETIME info
615 * into two strings. See nlsFileDate and nlsFileTime
616 * for more detailed parameter descriptions.
617 *
618 *@@added V0.9.0 (99-11-07) [umoeller]
619 *@@changed V0.9.16 (2001-12-05) [pr]: fixed AM/PM hour bug
620 *@@changed V0.9.18 (2002-02-13) [umoeller]: fixed AM/PM hour bug fix
621 */
622
623VOID nlsDateTime(PSZ pszDate, // out: date string returned (can be NULL)
624 PSZ pszTime, // out: time string returned (can be NULL)
625 DATETIME *pDateTime, // in: date/time information
626 ULONG ulDateFormat, // in: date format (0-3); see nlsFileDate
627 CHAR cDateSep, // in: date separator (e.g. '.')
628 ULONG ulTimeFormat, // in: 24-hour time format (0 or 1); see nlsFileTime
629 CHAR cTimeSep) // in: time separator (e.g. ':')
630{
631 if (pszDate)
632 {
633 switch (ulDateFormat)
634 {
635 case 0: // mm.dd.yyyy (English)
636 sprintf(pszDate, "%02d%c%02d%c%04d",
637 pDateTime->month,
638 cDateSep,
639 pDateTime->day,
640 cDateSep,
641 pDateTime->year);
642 break;
643
644 case 1: // dd.mm.yyyy (e.g. German)
645 sprintf(pszDate, "%02d%c%02d%c%04d",
646 pDateTime->day,
647 cDateSep,
648 pDateTime->month,
649 cDateSep,
650 pDateTime->year);
651 break;
652
653 case 2: // yyyy.mm.dd (Japanese)
654 sprintf(pszDate, "%04d%c%02d%c%02d",
655 pDateTime->year,
656 cDateSep,
657 pDateTime->month,
658 cDateSep,
659 pDateTime->day);
660 break;
661
662 default: // yyyy.dd.mm
663 sprintf(pszDate, "%04d%c%02d%c%02d",
664 pDateTime->year,
665 cDateSep,
666 pDateTime->day,
667 cDateSep,
668 pDateTime->month);
669 break;
670 }
671 }
672
673 if (pszTime)
674 {
675 if (ulTimeFormat == 0)
676 {
677 // for 12-hour clock, we need additional INI data
678 CHAR szAMPM[10] = "err";
679
680 if (pDateTime->hours >= 12) // V0.9.16 (2001-12-05) [pr] if (pDateTime->hours > 12)
681 {
682 // yeah cool Paul, now we get 00:20 PM if it's 20 past noon
683 // V0.9.18 (2002-02-13) [umoeller]
684 ULONG ulHours;
685 if (!(ulHours = pDateTime->hours % 12))
686 ulHours = 12;
687
688 // >= 12h: PM.
689 PrfQueryProfileString(HINI_USER,
690 "PM_National",
691 "s2359", // key
692 "PM", // default
693 szAMPM, sizeof(szAMPM)-1);
694 sprintf(pszTime, "%02d%c%02d%c%02d %s",
695 // leave 12 == 12 (not 0)
696 ulHours,
697 cTimeSep,
698 pDateTime->minutes,
699 cTimeSep,
700 pDateTime->seconds,
701 szAMPM);
702 }
703 else
704 {
705 // < 12h: AM
706 PrfQueryProfileString(HINI_USER,
707 "PM_National",
708 "s1159", // key
709 "AM", // default
710 szAMPM, sizeof(szAMPM)-1);
711 sprintf(pszTime, "%02d%c%02d%c%02d %s",
712 pDateTime->hours,
713 cTimeSep,
714 pDateTime->minutes,
715 cTimeSep,
716 pDateTime->seconds,
717 szAMPM);
718 }
719 }
720 else
721 // 24-hour clock
722 sprintf(pszTime, "%02d%c%02d%c%02d",
723 pDateTime->hours,
724 cTimeSep,
725 pDateTime->minutes,
726 cTimeSep,
727 pDateTime->seconds);
728 }
729}
730
731/*
732 * strhDateTime:
733 * wrapper around nlsDateTime for those who used
734 * the XFLDR.DLL export.
735 */
736
737VOID APIENTRY strhDateTime(PSZ pszDate, // out: date string returned (can be NULL)
738 PSZ pszTime, // out: time string returned (can be NULL)
739 DATETIME *pDateTime, // in: date/time information
740 ULONG ulDateFormat, // in: date format (0-3); see nlsFileDate
741 CHAR cDateSep, // in: date separator (e.g. '.')
742 ULONG ulTimeFormat, // in: 24-hour time format (0 or 1); see nlsFileTime
743 CHAR cTimeSep) // in: time separator (e.g. ':')
744{
745 nlsDateTime(pszDate,
746 pszTime,
747 pDateTime,
748 ulDateFormat,
749 cDateSep,
750 ulTimeFormat,
751 cTimeSep);
752}
753
754CHAR G_szUpperMap[257];
755BOOL G_fUpperMapInited = FALSE;
756
757/*
758 *@@ InitUpperMap:
759 * initializes the case map for nlsUpper.
760 *
761 *@@added V0.9.20 (2002-07-25) [umoeller]
762 */
763
764STATIC VOID InitUpperMap(VOID)
765{
766 ULONG ul;
767 COUNTRYCODE cc;
768 BOOL fDBCS = nlsDBCS();
769
770 for (ul = 0;
771 ul < sizeof(G_szUpperMap);
772 ++ul)
773 {
774 G_szUpperMap[ul] = (CHAR)ul;
775
776 if ( (fDBCS)
777 && (G_afLeadByte[ul] != TYPE_SBCS)
778 )
779 G_szUpperMap[ul] = ' ';
780 }
781
782 G_szUpperMap[256] = '\0';
783
784 cc.country = 0; // use system country code
785 cc.codepage = 0; // use process default codepage
786 DosMapCase(255,
787 &cc,
788 G_szUpperMap + 1);
789
790 G_fUpperMapInited = TRUE;
791}
792
793/*
794 *@@ nlsUpper:
795 * quick hack for upper-casing a string.
796 *
797 * This now returns the length of the given string always
798 * (V0.9.20).
799 *
800 * Remarks:
801 *
802 * -- On the first call, we build a case map table by
803 * calling DosMapCase with the default system country
804 * code and the process's codepage. Since DosMapCase
805 * is terribly slow with all the 16-bit thunking
806 * involved, we can then use our table without having
807 * to use the API ever again.
808 *
809 * -- As a result, if the process codepage changes for
810 * any reason, this function will not pick up the
811 * change.
812 *
813 * -- This has provisions for DBCS, which hopefully
814 * work.
815 *
816 *@@added V0.9.16 (2001-10-25) [umoeller]
817 *@@changed V0.9.20 (2002-07-25) [umoeller]: speedup, changed prototype
818 */
819
820ULONG nlsUpper(PSZ psz) // in/out: string
821{
822 ULONG ul = 0;
823
824 if (!G_fUpperMapInited)
825 InitUpperMap();
826
827 if (psz)
828 {
829 PSZ p = psz;
830
831 while (*p++ = G_szUpperMap[*p])
832 ++ul;
833 }
834
835 return ul;
836}
837
838
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