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source: trunk/dll/eas.c@ 1813

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Last change on this file since 1813 was 1804, checked in by Steven Levine, 11 years ago
Support critical EAs
Property svn:eol-style set to `native` Property svn:keywords set to `Author Date Id Revision`
File size: 39.5 KB

Line
1
2	/***********************************************************************
3
4	$Id: eas.c 1804 2015-05-04 01:31:59Z stevenhl $
5
6	Display/edit EAs
7
8	Copyright (c) 1993-98 M. Kimes
9	Copyright (c) 2004, 2014 Steven H. Levine
10
11	01 Aug 04 SHL Rework lstrip/rstrip usage
12	06 Jun 05 SHL Indent -i2
13	06 Jun 05 SHL Rework DisplayEAsProc for VAC3.65 compat
14	06 Jun 05 SHL Drop unused variables
15	17 Jul 06 SHL Use Runtime_Error
16	22 Mar 07 GKY Use QWL_USER
17	05 Jul 07 SHL GetFileEAs: avoid heap corruption
18	15 Jul 07 GKY Allow subject edit of up to 256 chars
19	03 Aug 07 GKY Remove surrious error message
20	06 Aug 07 GKY Increase Subject EA to 1024
21	20 Aug 07 GKY Move #pragma alloc_text to end for OpenWatcom compat
22	01 Sep 07 GKY Use xDosSetPathInfo to fix case where FS3 buffer crosses 64k boundry
23	29 Feb 08 GKY Use xfree where appropriate
24	07 Feb 09 GKY Allow user to turn off alert and/or error beeps in settings notebook.
25	12 Jul 09 GKY Add xDosQueryAppType and xDosAlloc... to allow FM/2 to load in high memory
26	17 JAN 10 GKY Changes to get working with Watcom 1.9 Beta (1/16/10). Mostly cast CHAR CONSTANT * as CHAR *.
27	23 Oct 10 GKY Added button to allow opening of a new file's eas from the EA dialog.
28	26 Aug 11 GKY Add a low mem version of xDosAlloc* wrappers; move error checking into all the
29	xDosAlloc* wrappers.
30	10 Feb 14 SHL DisplayEAsProc: Indicate if EA is critical, avoid rewrites if no change
31	10 Feb 14 SHL SaveEA: Avoid rewrites if no change
32
33	***********************************************************************/
34
35	#include <stdlib.h>
36	#include <stdio.h>
37	#include <string.h>
38	#include <ctype.h>
39
40	#define INCL_WIN
41	#define INCL_DOS
42	#define INCL_DOSERRORS
43	#define INCL_LONGLONG
44
45	#include "fm3dll.h"
46	#include "fm3dll2.h" // #define's for UM_*, control id's, etc.
47	#include "notebook.h" // Data declaration(s)
48	#include "info.h" // Data declaration(s)
49	#include "init.h" // Data declaration(s)
50	#include "mainwnd.h" // Data declaration(s)
51	#include "newview.h" // Data declarations
52	#include "fm3dlg.h"
53	#include "fm3str.h"
54	#include "mle.h"
55	#include "errutil.h" // Dos_Error...
56	#include "strutil.h" // GetPString
57	#include "defview.h" // QuickView
58	#include "subj.h" // Subject
59	#include "wrappers.h" // xDosSetPathInfo
60	#include "eas.h"
61	#include "strips.h" // bstrip
62	#include "valid.h" // IsFile
63	#include "misc.h" // PaintRecessedWindow
64	#include "fortify.h"
65	#include "getnames.h" // insert_filename
66	#include "pathutil.h" // ForwardslashToBackslash
67
68	#pragma data_seg(DATA1)
69
70	static PSZ pszSrcFile = __FILE__;
71
72	static PVOID SaveEA(CHAR filename, HOLDFEA current, CHAR *newdata,
73	BOOL silentfail);
74
75	typedef struct
76	{
77	CHAR *name;
78	INT type;
79	}
80	RESERVEDEAS;
81
82	typedef struct
83	{
84	CHAR *filename;
85	HOLDFEA *head;
86	}
87	ADDEA;
88
89	HOLDFEA CheckEA(HOLDFEA head, CHAR * eaname)
90	{
91	// return pointer to ea named eaname if found in linked list
92
93	register HOLDFEA *info = NULL;
94
95	if (eaname && *eaname) {
96	info = head;
97	while (info) {
98	if (!strcmp(info->name, eaname))
99	return info;
100	info = info->next;
101	}
102	}
103	return info;
104	}
105
106	MRESULT EXPENTRY AddEAProc(HWND hwnd, ULONG msg, MPARAM mp1, MPARAM mp2)
107	{
108	ADDEA *add;
109	HOLDFEA *head;
110	CHAR *filename;
111	static CHAR *forbidden[] = { ".ASSOCTABLE",
112	".CLASSINFO",
113	".ICON",
114	".CODEPAGE",
115	""
116	};
117	static RESERVEDEAS restypes[] = { ".TYPE", EAT_MVMT,
118	".SUBJECT", EAT_ASCII,
119	".COMMENTS", EAT_MVMT,
120	".KEYPHRASES", EAT_MVMT,
121	".HISTORY", EAT_MVMT,
122	".LONGNAME", EAT_ASCII,
123	".VERSION", EAT_ASCII,
124	"", 0
125	};
126
127	switch (msg) {
128	case WM_INITDLG:
129	if (!mp2) {
130	WinDismissDlg(hwnd, 0);
131	break;
132	}
133	WinSetWindowPtr(hwnd, QWL_USER, (PVOID) mp2);
134	WinSendDlgItemMsg(hwnd, EAC_NAME, EM_SETTEXTLIMIT,
135	MPFROM2SHORT(1024, 0), MPVOID);
136	WinCheckButton(hwnd, EAC_ASCII, TRUE);
137	break;
138
139	case WM_PAINT:
140	PostMsg(hwnd, UM_PAINT, MPVOID, MPVOID);
141	break;
142
143	case UM_PAINT:
144	PaintRecessedWindow(WinWindowFromID(hwnd, EAC_TEXT), (HPS) 0, FALSE,
145	FALSE);
146	return 0;
147
148	case WM_CONTROL:
149	return 0;
150
151	case WM_COMMAND:
152	switch (SHORT1FROMMP(mp1)) {
153	case DID_OK:
154	add = INSTDATA(hwnd);
155	head = add->head;
156	filename = add->filename;
157	{
158	CHAR s[1025];
159	INT x;
160	USHORT type = EAT_ASCII;
161
162	*s = 0;
163	WinQueryDlgItemText(hwnd, EAC_NAME, 1024, s);
164	bstrip(s);
165	if (!*s)
166	WinDismissDlg(hwnd, 0);
167	else {
168	if (CheckEA(head, s)) {
169	if (!fAlertBeepOff)
170	DosBeep(50, 100);
171	WinSetDlgItemText(hwnd, EAC_TEXT,
172	(CHAR *)GetPString(IDS_EANAMEEXISTSTEXT));
173	break;
174	}
175	for (x = 0; *forbidden[x]; x++) {
176	if (!strcmp(forbidden[x], s)) {
177	if (!fAlertBeepOff)
178	DosBeep(50, 100);
179	WinSetDlgItemText(hwnd, EAC_TEXT,
180	(CHAR *)GetPString(IDS_EANAMERESERVEDTEXT));
181	return 0;
182	}
183	}
184	if (WinQueryButtonCheckstate(hwnd, EAC_MVST))
185	type = EAT_MVST;
186	else if (WinQueryButtonCheckstate(hwnd, EAC_MVMT))
187	type = EAT_MVMT;
188	for (x = 0; *restypes[x].name; x++) {
189	if (!strcmp(restypes[x].name, s)) {
190	if (type != restypes[x].type) {
191	if (!fAlertBeepOff)
192	DosBeep(50, 100);
193	WinSetDlgItemText(hwnd, EAC_TEXT,
194	(CHAR *)GetPString(IDS_EAWRONGTYPETEXT));
195	return 0;
196	}
197	break;
198	}
199	}
200	// if we get here, create dummy ea
201	{
202	PFEA2LIST pfealist = NULL;
203	EAOP2 eaop;
204	ULONG ealen;
205	CHAR *eaval;
206
207	ealen = sizeof(FEA2LIST) + strlen(s) + 64;
208	if (!xDosAllocMem((PPVOID) & pfealist, ealen + 1, pszSrcFile, __LINE__)) {
209	memset(pfealist, 0, ealen + 1);
210	pfealist->cbList = ealen;
211	pfealist->list[0].oNextEntryOffset = 0;
212	pfealist->list[0].fEA = 0;
213	pfealist->list[0].cbName = strlen(s);
214	strcpy(pfealist->list[0].szName, s);
215	eaval = pfealist->list[0].szName + strlen(s) + 1;
216	(USHORT )eaval = (USHORT)type;
217	eaval += sizeof(USHORT);
218	if (type == EAT_MVST \|\| type == EAT_MVMT) {
219	(USHORT )eaval = (USHORT) 0; // codepage
220	eaval += sizeof(USHORT);
221	(USHORT )eaval = (USHORT)1; // number
222	eaval += sizeof(USHORT);
223	(USHORT )eaval = (USHORT)EAT_ASCII; // type
224	eaval += sizeof(USHORT);
225	}
226	(USHORT )eaval = (USHORT)4;
227	eaval += sizeof(USHORT);
228	memcpy(eaval, GetPString(IDS_FAKETEXT), 4);
229	pfealist->list[0].cbValue = 4 + (sizeof(USHORT) * 2) +
230	((type == EAT_MVST \|\|
231	type == EAT_MVMT) ? sizeof(USHORT) * 3 : 0);
232	eaop.fpGEA2List = (PGEA2LIST) 0;
233	eaop.fpFEA2List = pfealist;
234	eaop.oError = 0;
235	xDosSetPathInfo(filename, FIL_QUERYEASIZE,
236	&eaop, sizeof(eaop), DSPI_WRTTHRU);
237	WinDismissDlg(hwnd, 1);
238	}
239	}
240	}
241	}
242	break;
243
244	case DID_CANCEL:
245	WinDismissDlg(hwnd, 0);
246	break;
247
248	case IDM_HELP:
249	if (hwndHelp)
250	WinSendMsg(hwndHelp, HM_DISPLAY_HELP,
251	MPFROM2SHORT(HELP_ADDEA, 0), MPFROMSHORT(HM_RESOURCEID));
252	break;
253	}
254	return 0;
255	}
256	return WinDefDlgProc(hwnd, msg, mp1, mp2);
257	}
258
259	static VOID HexDumpEA(HWND hwnd, HOLDFEA * info)
260	{
261	if (info)
262	HexDump(WinWindowFromID(hwnd, EA_HEXDUMP), info->value, info->cbValue);
263	}
264
265	VOID HexDump(HWND hwnd, CHAR * value, ULONG cbValue)
266	{
267	// display a hexdump of a binary 'string' in listbox hwnd
268
269	CHAR s[132];
270	register CHAR p, pp, *a;
271	register ULONG x = 0, y, z;
272
273	WinSendMsg(hwnd, LM_DELETEALL, MPVOID, MPVOID);
274	if (cbValue) {
275	pp = p = value;
276	while (x < cbValue) {
277	y = x;
278	sprintf(s, "%04lx ", x);
279	a = s + 6;
280	do {
281	sprintf(a, "%02x ", (UCHAR)*p);
282	a += 3;
283	p++;
284	x++;
285	}
286	while (x < cbValue && (x % 16));
287	if (x % 16) {
288	z = x;
289	while (z % 16) {
290	*a++ = ' ';
291	*a++ = ' ';
292	*a++ = ' ';
293	z++;
294	}
295	}
296	*a++ = ' ';
297	p = pp;
298	do {
299	if (*p)
300	a++ = p++;
301	else {
302	*a++ = '.';
303	p++;
304	}
305	*a = 0;
306	y++;
307	}
308	while (y < x);
309	if ((SHORT) WinSendMsg(hwnd, LM_INSERTITEM, MPFROM2SHORT(LIT_END, 0),
310	MPFROMP(s)) < 0)
311	break;
312	pp = p;
313	}
314	}
315	}
316
317	typedef struct
318	{
319	USHORT size;
320	USHORT flags;
321	HOLDFEA head, current;
322	CHAR **list;
323	CHAR filename[CCHMAXPATH];
324	}
325	EAPROCDATA;
326
327	MRESULT EXPENTRY DisplayEAsProc(HWND hwnd, ULONG msg, MPARAM mp1, MPARAM mp2)
328	{
329	EAPROCDATA *eap;
330	HOLDFEA *info;
331	CHAR str[81];
332
333	static HPOINTER hptrIcon = (HPOINTER) 0;
334
335	if (msg != WM_INITDLG)
336	eap = (EAPROCDATA *) WinQueryWindowPtr(hwnd, QWL_USER);
337
338	switch (msg) {
339	case WM_INITDLG:
340	if (!mp2) {
341	WinDismissDlg(hwnd, 0);
342	break;
343	}
344	eap = xmallocz(sizeof(EAPROCDATA), pszSrcFile, __LINE__);
345	if (!eap) {
346	WinDismissDlg(hwnd, 0);
347	break;
348	}
349	hptrIcon = WinLoadPointer(HWND_DESKTOP, FM3ModHandle, EA_FRAME);
350	WinDefDlgProc(hwnd, WM_SETICON, MPFROMLONG(hptrIcon), MPVOID);
351	eap->size = sizeof(EAPROCDATA);
352	eap->list = (CHAR **) mp2;
353	WinSetWindowPtr(hwnd, QWL_USER, (PVOID) eap);
354	WinSendDlgItemMsg(hwnd,
355	EA_ENTRY, EM_SETTEXTLIMIT, MPFROM2SHORT(40, 0), MPVOID);
356	MLEsetlimit(WinWindowFromID(hwnd, EA_MLE), 32767);
357	MLEsetformat(WinWindowFromID(hwnd, EA_MLE), MLFIE_NOTRANS);
358	{
359	INT x;
360	SHORT sSelect;
361	CHAR s[CCHMAXPATH];
362
363	for (x = 0; eap->list[x]; x++) {
364	if (DosQueryPathInfo(eap->list[x], FIL_QUERYFULLNAME, s, sizeof(s)))
365	strcpy(s, eap->list[x]);
366	if (IsFile(s) != -1)
367	WinSendDlgItemMsg(hwnd,
368	EA_NAMES,
369	LM_INSERTITEM,
370	MPFROM2SHORT(LIT_SORTASCENDING, 0), MPFROMP(s));
371	}
372	sSelect = (SHORT) WinSendDlgItemMsg(hwnd,
373	EA_NAMES,
374	LM_QUERYITEMCOUNT, MPVOID, MPVOID);
375	if (sSelect > 0)
376	WinSendDlgItemMsg(hwnd,
377	EA_NAMES,
378	LM_SELECTITEM,
379	MPFROM2SHORT(0, 0), MPFROMSHORT(TRUE));
380	else
381	WinDismissDlg(hwnd, 0);
382	}
383	break;
384
385	case UM_SETDIR:
386	if (*eap->filename) {
387	if (eap->head)
388	Free_FEAList(eap->head);
389	eap->head = GetFileEAs(eap->filename, FALSE, FALSE);
390	if (!isalpha(*eap->filename) \|\|
391	(driveflags[toupper(*eap->filename) - 'A'] & DRIVE_NOTWRITEABLE)) {
392	WinEnableWindow(WinWindowFromID(hwnd, EA_CHANGE), FALSE);
393	WinEnableWindow(WinWindowFromID(hwnd, EA_ADD), FALSE);
394	WinEnableWindow(WinWindowFromID(hwnd, EA_DELETE), FALSE);
395	}
396	else {
397	WinEnableWindow(WinWindowFromID(hwnd, EA_CHANGE), TRUE);
398	WinEnableWindow(WinWindowFromID(hwnd, EA_ADD), TRUE);
399	WinEnableWindow(WinWindowFromID(hwnd, EA_DELETE), TRUE);
400	}
401	WinSendMsg(hwnd, UM_SETUP, MPVOID, MPVOID);
402	}
403	break;
404
405	case UM_SETUP:
406	WinSendDlgItemMsg(hwnd, EA_LISTBOX, LM_DELETEALL, MPVOID, MPVOID);
407	WinShowWindow(WinWindowFromID(hwnd, EA_ENTRY), FALSE);
408	WinSetDlgItemText(hwnd, EA_ENTRY, NullStr);
409	WinShowWindow(WinWindowFromID(hwnd, EA_MLE), FALSE);
410	MLEclearall(WinWindowFromID(hwnd, EA_MLE));
411	WinShowWindow(WinWindowFromID(hwnd, EA_HEXDUMP), FALSE);
412	WinSendDlgItemMsg(hwnd, EA_HEXDUMP, LM_DELETEALL, MPVOID, MPVOID);
413	WinShowWindow(WinWindowFromID(hwnd, EA_CHANGE), FALSE);
414	WinShowWindow(WinWindowFromID(hwnd, EA_DELETE), FALSE);
415	eap->current = NULL;
416	if (eap->head) {
417	WinSetDlgItemText(hwnd, EA_TEXT, NullStr);
418	info = eap->head;
419	while (info) {
420	WinSendDlgItemMsg(hwnd, EA_LISTBOX, LM_INSERTITEM,
421	MPFROM2SHORT(LIT_END, 0), MPFROMP(info->name));
422	info = info->next;
423	}
424	WinSendDlgItemMsg(hwnd, EA_LISTBOX, LM_SELECTITEM,
425	MPFROM2SHORT(0, 0), MPFROM2SHORT(TRUE, 0));
426	}
427	else
428	WinSetDlgItemText(hwnd, EA_TEXT, (CHAR *)GetPString(IDS_EANOEAS));
429	return 0;
430
431	case WM_PAINT:
432	PostMsg(hwnd, UM_PAINT, MPVOID, MPVOID);
433	break;
434
435	case UM_PAINT:
436	PaintRecessedWindow(WinWindowFromID(hwnd, EA_HELP), (HPS) 0, FALSE, TRUE);
437	PaintRecessedWindow(WinWindowFromID(hwnd, EA_TEXT), (HPS) 0, FALSE,
438	FALSE);
439	return 0;
440
441	case WM_CONTROL:
442	switch (SHORT1FROMMP(mp1)) {
443	case EA_NAMES:
444	switch (SHORT2FROMMP(mp1)) {
445	case LN_SETFOCUS:
446	WinSetDlgItemText(hwnd, EA_HELP, (CHAR *)GetPString(IDS_EAFILENAMESHELPTEXT));
447	break;
448	case LN_KILLFOCUS:
449	WinSetDlgItemText(hwnd, EA_HELP, NullStr);
450	break;
451	case LN_ENTER:
452	case LN_SELECT:
453	{
454	CHAR s[1025];
455	SHORT sSelect;
456
457	sSelect = (SHORT) WinSendDlgItemMsg(hwnd, EA_NAMES,
458	LM_QUERYSELECTION,
459	MPFROM2SHORT(LIT_FIRST, 0),
460	MPVOID);
461	if (sSelect >= 0) {
462	*s = 0;
463	WinSendDlgItemMsg(hwnd, EA_NAMES, LM_QUERYITEMTEXT,
464	MPFROM2SHORT(sSelect, 1024), MPFROMP(s));
465	if (*s) {
466	strcpy(eap->filename, s);
467	if (SHORT2FROMMP(mp1) == LN_SELECT)
468	WinSendMsg(hwnd, UM_SETDIR, MPVOID, MPVOID);
469	else
470	QuickView(hwnd, eap->filename);
471	}
472	}
473	}
474	break;
475	}
476	break;
477
478	case EA_LISTBOX:
479	switch (SHORT2FROMMP(mp1)) {
480	case LN_SETFOCUS:
481	WinSetDlgItemText(hwnd, EA_HELP, (CHAR *)GetPString(IDS_EATYPESHELPTEXT));
482	break;
483	case LN_KILLFOCUS:
484	WinSetDlgItemText(hwnd, EA_HELP, NullStr);
485	break;
486	case LN_SELECT:
487	{
488	CHAR s[1024];
489	SHORT sSelect;
490
491	eap->current = NULL;
492	if (eap->head) {
493	WinSetDlgItemText(hwnd, EA_TEXT, NullStr);
494	WinShowWindow(WinWindowFromID(hwnd, EA_ENTRY), FALSE);
495	WinSetDlgItemText(hwnd, EA_ENTRY, NullStr);
496	MLEclearall(WinWindowFromID(hwnd, EA_MLE));
497	WinShowWindow(WinWindowFromID(hwnd, EA_MLE), FALSE);
498	WinShowWindow(WinWindowFromID(hwnd,EA_CHANGE), FALSE);
499	WinShowWindow(WinWindowFromID(hwnd, EA_DELETE), FALSE);
500	WinShowWindow(WinWindowFromID(hwnd, EA_HEXDUMP), FALSE);
501	WinSendDlgItemMsg(hwnd, EA_HEXDUMP, LM_DELETEALL, MPVOID, MPVOID);
502	*s = 0;
503	sSelect = (USHORT)WinSendDlgItemMsg(hwnd,
504	EA_LISTBOX,
505	LM_QUERYSELECTION,
506	MPFROMSHORT(LIT_FIRST),
507	MPVOID);
508	if (sSelect >= 0) {
509	WinSendDlgItemMsg(hwnd,
510	EA_LISTBOX,
511	LM_QUERYITEMTEXT,
512	MPFROM2SHORT(sSelect, 1024),
513	MPFROMP(s));
514	if (*s) {
515
516	USHORT len, num, type;
517	CHAR *data;
518	CHAR last = '\n';
519	const CHAR *linefeed = "\n";
520	BOOL alltext;
521	IPT pos = 0;
522
523	// Find selected EA and refresh details display
524	info = eap->head;
525	while (info) {
526	if (!strcmp(s, info->name)) {
527	// Found it
528	eap->current = info;
529	WinShowWindow(WinWindowFromID(hwnd, EA_DELETE), TRUE);
530	switch ((USHORT )info->value) {
531	case EAT_EA:
532	case EAT_ASCII:
533	if (!strcmp(info->name, SUBJECT))
534	WinSendDlgItemMsg(hwnd, EA_ENTRY,
535	EM_SETTEXTLIMIT,
536	MPFROM2SHORT(1024, 0), MPVOID);
537	else
538	WinSendDlgItemMsg(hwnd, EA_ENTRY,
539	EM_SETTEXTLIMIT,
540	MPFROM2SHORT(1024, 0), MPVOID);
541	WinSetDlgItemText(hwnd, EA_ENTRY,
542	info->value + (sizeof(USHORT) * 2));
543	WinShowWindow(WinWindowFromID(hwnd, EA_ENTRY), TRUE);
544	WinEnableWindow(WinWindowFromID(hwnd, EA_CHANGE),
545	FALSE);
546	WinShowWindow(WinWindowFromID(hwnd, EA_CHANGE), TRUE); // Allow edits
547	sprintf(str,
548	GetPString(IDS_DATAANDBYTESTEXT),
549	(USHORT )info->value == EAT_ASCII ?
550	GetPString(IDS_TEXTTEXT) :
551	GetPString(IDS_EAREFTEXT),
552	info->cbValue);
553	WinSetDlgItemText(hwnd, EA_TEXT, str);
554	break;
555	case EAT_MVST:
556	MLEclearall(WinWindowFromID(hwnd, EA_MLE));
557	num = (USHORT )(info->value + (sizeof(USHORT) * 2));
558	type = (USHORT )(info->value + (sizeof(USHORT) * 3));
559	if (type == EAT_ASCII) {
560	data = info->value + (sizeof(USHORT) * 4);
561	len = (USHORT )data;
562	data += sizeof(USHORT);
563	while ((data - info->value) + len <= info->cbValue) {
564	if (last != '\n') {
565	WinSendDlgItemMsg(hwnd,
566	EA_MLE,
567	MLM_SETIMPORTEXPORT,
568	MPFROMP(linefeed),
569	MPFROMLONG(1));
570	WinSendDlgItemMsg(hwnd,
571	EA_MLE,
572	MLM_IMPORT,
573	MPFROMP(&pos), MPFROMLONG(1));
574	}
575	WinSendDlgItemMsg(hwnd,
576	EA_MLE,
577	MLM_SETIMPORTEXPORT,
578	MPFROMP(data),
579	MPFROMLONG((ULONG) len));
580	WinSendDlgItemMsg(hwnd,
581	EA_MLE,
582	MLM_IMPORT,
583	MPFROMP(&pos),
584	MPFROMLONG((ULONG) len));
585	data += len;
586	last = *(data - 1);
587	if (data - info->value >= info->cbValue)
588	break;
589	len = (USHORT )data;
590	data += sizeof(USHORT);
591	}
592	WinShowWindow(WinWindowFromID(hwnd, EA_MLE), TRUE);
593	// Do not know how to edit
594	WinEnableWindow(WinWindowFromID(hwnd, EA_CHANGE),
595	FALSE);
596	WinShowWindow(WinWindowFromID(hwnd, EA_CHANGE), TRUE);
597	}
598	else {
599	WinShowWindow(WinWindowFromID(hwnd, EA_MLE), FALSE);
600	HexDumpEA(hwnd, info);
601	WinShowWindow(WinWindowFromID(hwnd, EA_HEXDUMP),
602	TRUE);
603	}
604	sprintf(str,
605	GetPString(IDS_MVSTTEXT),
606	num,
607	num == 1 ?
608	GetPString(IDS_YTEXT) :
609	GetPString(IDS_IESTEXT),
610	info->cbValue);
611	WinSetDlgItemText(hwnd, EA_TEXT, str);
612	break;
613	case EAT_MVMT:
614	MLEclearall(WinWindowFromID(hwnd, EA_MLE));
615	num = (USHORT )(info->value + (sizeof(USHORT) * 2));
616	data = info->value + (sizeof(USHORT) * 3);
617	type = (USHORT )data;
618	data += sizeof(USHORT);
619	len = (USHORT )data;
620	data += sizeof(USHORT);
621	alltext = TRUE;
622	while ((data - info->value) - len <= info->cbValue) {
623	if (type != EAT_ASCII) {
624	alltext = FALSE;
625	break;
626	}
627	data += len;
628	if (data - info->value >= info->cbValue)
629	break;
630	type = (USHORT )data;
631	data += sizeof(USHORT);
632	len = (USHORT )data;
633	data += sizeof(USHORT);
634	}
635	if (alltext) {
636	data = info->value + (sizeof(USHORT) * 3);
637	type = (USHORT )data;
638	data += sizeof(USHORT);
639	len = (USHORT )data;
640	data += sizeof(USHORT);
641	while ((data - info->value) - len <= info->cbValue) {
642	if (last != '\n') {
643	WinSendDlgItemMsg(hwnd,
644	EA_MLE,
645	MLM_SETIMPORTEXPORT,
646	MPFROMP(linefeed),
647	MPFROMLONG(1));
648	WinSendDlgItemMsg(hwnd,
649	EA_MLE,
650	MLM_IMPORT,
651	MPFROMP(&pos), MPFROMLONG(1));
652	}
653	WinSendDlgItemMsg(hwnd,
654	EA_MLE,
655	MLM_SETIMPORTEXPORT,
656	MPFROMP(data),
657	MPFROMLONG((ULONG) len));
658	WinSendDlgItemMsg(hwnd,
659	EA_MLE,
660	MLM_IMPORT,
661	MPFROMP(&pos),
662	MPFROMLONG((ULONG) len));
663	data += len;
664	last = *(data - 1);
665	if (data - info->value >= info->cbValue)
666	break;
667	type = (USHORT )data;
668	data += sizeof(USHORT);
669	len = (USHORT )data;
670	data += sizeof(USHORT);
671	}
672	}
673	if (alltext) {
674	WinShowWindow(WinWindowFromID(hwnd, EA_MLE), TRUE);
675	WinEnableWindow(WinWindowFromID(hwnd,
676	EA_CHANGE), FALSE);
677	WinShowWindow(WinWindowFromID(hwnd, EA_CHANGE), TRUE);
678	}
679	else {
680	WinShowWindow(WinWindowFromID(hwnd, EA_MLE), FALSE);
681	HexDumpEA(hwnd, info);
682	WinShowWindow(WinWindowFromID(hwnd, EA_HEXDUMP),
683	TRUE);
684	}
685	sprintf(str,
686	GetPString(IDS_MVMTTEXT),
687	num,
688	num == 1 ?
689	GetPString(IDS_YTEXT) :
690	GetPString(IDS_IESTEXT),
691	info->cbValue,
692	alltext ?
693	GetPString(IDS_ALLTEXTTEXT) :
694	GetPString(IDS_MIXEDTYPESTEXT));
695	WinSetDlgItemText(hwnd, EA_TEXT, str);
696	break;
697	default:
698	HexDumpEA(hwnd, info);
699	WinShowWindow(WinWindowFromID(hwnd, EA_HEXDUMP), TRUE);
700	switch ((USHORT )info->value) {
701	case EAT_BINARY:
702	sprintf(str,
703	GetPString(IDS_BINARYBYTESTEXT),
704	info->fEA ? GetPString(IDS_CRITICALEA) : "",
705	info->cbValue);
706	WinSetDlgItemText(hwnd, EA_TEXT, str);
707	break;
708	case EAT_BITMAP:
709	sprintf(str,
710	GetPString(IDS_BITMAPBYTESTEXT),
711	info->cbValue);
712	WinSetDlgItemText(hwnd, EA_TEXT, str);
713	break;
714	case EAT_METAFILE:
715	sprintf(str,
716	GetPString(IDS_METAFILEBYTESTEXT),
717	info->cbValue);
718	WinSetDlgItemText(hwnd, EA_TEXT, str);
719	break;
720	case EAT_ICON:
721	sprintf(str,
722	GetPString(IDS_ICONBYTESTEXT),
723	info->cbValue);
724	WinSetDlgItemText(hwnd, EA_TEXT, str);
725	break;
726	case EAT_ASN1:
727	sprintf(str,
728	GetPString(IDS_ASN1BYTESTEXT),
729	info->cbValue);
730	WinSetDlgItemText(hwnd, EA_TEXT, str);
731	break;
732	default:
733	sprintf(str,
734	GetPString(IDS_UNKNOWNBYTESTEXT),
735	(USHORT )info->value,
736	info->cbValue);
737	WinSetDlgItemText(hwnd, EA_TEXT, str);
738	break;
739	}
740	break;
741	} // switch EAT_...
742	} // if matched
743	info = info->next;
744	} // while
745	} // if have name
746	} // if have select
747	} // if have non-empty list
748
749	if (!isalpha(*eap->filename) \|\|
750	(driveflags[toupper(*eap->filename) - 'A'] &
751	DRIVE_NOTWRITEABLE)) {
752	WinEnableWindow(WinWindowFromID(hwnd, EA_CHANGE), FALSE);
753	WinEnableWindow(WinWindowFromID(hwnd, EA_ADD), FALSE);
754	WinEnableWindow(WinWindowFromID(hwnd, EA_DELETE), FALSE);
755	}
756	else {
757	WinEnableWindow(WinWindowFromID(hwnd, EA_CHANGE), TRUE);
758	WinEnableWindow(WinWindowFromID(hwnd, EA_ADD), TRUE);
759	WinEnableWindow(WinWindowFromID(hwnd, EA_DELETE), TRUE);
760	}
761	}
762	break;
763	}
764	break;
765
766	case EA_ENTRY:
767	switch (SHORT2FROMMP(mp1)) {
768	case EN_SETFOCUS:
769	WinSetDlgItemText(hwnd, EA_HELP, (CHAR *)GetPString(IDS_EADATAHELPTEXT));
770	break;
771	case EN_KILLFOCUS:
772	WinSetDlgItemText(hwnd, EA_HELP, NullStr);
773	break;
774	case EN_CHANGE:
775	WinEnableWindow(WinWindowFromID(hwnd, EA_CHANGE), TRUE);
776	break;
777	}
778	break;
779
780	case EA_HEXDUMP:
781	switch (SHORT2FROMMP(mp1)) {
782	case LN_SETFOCUS:
783	WinSetDlgItemText(hwnd, EA_HELP, (CHAR *)GetPString(IDS_EADATAHELPTEXT));
784	break;
785	case LN_KILLFOCUS:
786	WinSetDlgItemText(hwnd, EA_HELP, NullStr);
787	break;
788	}
789	break;
790
791	case EA_MLE:
792	switch (SHORT2FROMMP(mp1)) {
793	case MLN_SETFOCUS:
794	WinSetDlgItemText(hwnd, EA_HELP, (CHAR *)GetPString(IDS_EADATAHELPTEXT));
795	break;
796	case MLN_KILLFOCUS:
797	WinSetDlgItemText(hwnd, EA_HELP, NullStr);
798	break;
799	case MLN_CHANGE:
800	WinEnableWindow(WinWindowFromID(hwnd, EA_CHANGE), TRUE);
801	break;
802	}
803	break;
804	}
805	return 0;
806
807	case WM_COMMAND:
808	switch (SHORT1FROMMP(mp1)) {
809	case EA_OPENFILE:
810	{
811	CHAR filename[CCHMAXPATH];
812	CHAR *p;
813	CHAR **list = NULL;
814
815	if (*eap->filename)
816	strcpy(filename, eap->filename);
817	WinDismissDlg(hwnd, 1);
818	ForwardslashToBackslash(filename);
819	p = strrchr(filename, '\\');
820	if (p) {
821	p++;
822	*p = 0;
823	}
824	else
825	*filename = 0;
826	strcat(filename, "*");
827	list = xmalloc(sizeof(CHAR ) 2, pszSrcFile, __LINE__);
828
829	if (list) {
830	if (insert_filename(HWND_DESKTOP,filename,TRUE,FALSE) &&
831	filename && filename != '*') {
832	list[0] = filename;
833	list[1] = NULL;
834	WinDlgBox(HWND_DESKTOP,
835	HWND_DESKTOP,
836	DisplayEAsProc,
837	FM3ModHandle,
838	EA_FRAME,
839	(PVOID)list);
840	}
841	else
842	free(list);
843	}
844	break;
845	}
846	case EA_ADD:
847	{
848	ADDEA add;
849
850	add.filename = eap->filename;
851	add.head = eap->head;
852	if (WinDlgBox(HWND_DESKTOP, hwnd, AddEAProc, FM3ModHandle,
853	EAC_FRAME, &add)) {
854	Free_FEAList(eap->head);
855	eap->head = GetFileEAs(eap->filename, FALSE, FALSE);
856	WinSendMsg(hwnd, UM_SETUP, MPVOID, MPVOID);
857	}
858	}
859	break;
860	case EA_CHANGE:
861	if (!eap->current)
862	WinShowWindow(WinWindowFromID(hwnd, EA_CHANGE), FALSE);
863	else {
864
865	CHAR *s;
866	USHORT control;
867
868	if (!eap->head \|\| !*eap->filename)
869	Runtime_Error(pszSrcFile, __LINE__, NULL);
870	else {
871	switch ((USHORT )eap->current->value) {
872	case EAT_EA:
873	case EAT_ASCII:
874	control = EA_ENTRY;
875	break;
876	case EAT_MVMT:
877	control = EA_MLE;
878	break;
879	case EAT_MVST:
880	control = EA_MLE;
881	break;
882	default:
883	Runtime_Error(pszSrcFile, __LINE__, "unexpected type");
884	WinShowWindow(WinWindowFromID(hwnd, EA_CHANGE), FALSE);
885	control = 0;
886	}
887	if (control) {
888	s = xmalloc(32768, pszSrcFile, __LINE__);
889	if (s) {
890	*s = 0;
891	WinQueryDlgItemText(hwnd, control, 32767, (PCH) s);
892	if (!*s)
893	Runtime_Error(pszSrcFile, __LINE__, NULL);
894	else {
895	PFEA2LIST pfealist;
896
897	// FIXME to only rewrite if modified
898	pfealist = SaveEA(eap->filename, eap->current, s, FALSE);
899	if (!pfealist)
900	Runtime_Error(pszSrcFile, __LINE__, "SaveEA");
901	else {
902	// EA rewritten - update listbox
903	PFEA2 pfea = xmalloc(pfealist->cbList, pszSrcFile, __LINE__);
904	if (pfea) {
905	memcpy(pfea,
906	pfealist->list,
907	pfealist->cbList - sizeof(ULONG));
908	free(eap->current->pfea); // Stale
909	// Refresh current
910	eap->current->pfea = pfea;
911	eap->current->name = eap->current->pfea->szName;
912	eap->current->cbName = eap->current->pfea->cbName;
913	eap->current->fEA = eap->current->pfea->fEA;
914	eap->current->cbValue = eap->current->pfea->cbValue;
915	eap->current->value = eap->current->pfea->szName +
916	eap->current->pfea->cbName + 1;
917	eap->current->value[eap->current->cbValue] = 0;
918	// Refresh display
919	PostMsg(hwnd, WM_CONTROL,
920	MPFROM2SHORT(EA_LISTBOX, LN_SELECT), MPVOID);
921	}
922	DosFreeMem(pfealist);
923	}
924	}
925	free(s);
926	}
927	}
928	}
929	}
930	break;
931
932	case EA_DELETE:
933	if (eap->head && eap->current) {
934
935	EAOP2 eaop;
936	PFEA2LIST pfealist;
937	GEA2LIST gealist;
938	APIRET rc;
939	SHORT sSelect;
940
941	pfealist =
942	xmallocz(sizeof(FEA2LIST) + eap->current->cbName + 1, pszSrcFile,
943	__LINE__);
944	if (pfealist) {
945	pfealist->cbList = sizeof(FEA2LIST) + eap->current->cbName + 1;
946	pfealist->list[0].cbName = eap->current->cbName;
947	strcpy(pfealist->list[0].szName, eap->current->name);
948	pfealist->list[0].cbValue = 0;
949	memset(&gealist, 0, sizeof(GEA2LIST));
950	gealist.cbList = sizeof(GEA2LIST);
951	eaop.fpGEA2List = &gealist;
952	eaop.fpFEA2List = pfealist;
953	eaop.oError = 0;
954	rc = xDosSetPathInfo(eap->filename, FIL_QUERYEASIZE,
955	&eaop, sizeof(eaop), DSPI_WRTTHRU);
956	free(pfealist);
957	if (rc)
958	Dos_Error(MB_CANCEL, rc, hwnd, pszSrcFile, __LINE__,
959	"xDosSetPathInfo");
960	else {
961	sSelect = 0;
962	if (eap->current == eap->head) {
963	eap->head = eap->head->next;
964	free(eap->current->pfea);
965	free(eap->current);
966	eap->current = NULL;
967	}
968	else {
969	info = eap->head;
970	while (info) {
971	if (info->next == eap->current) {
972	sSelect++;
973	info->next = eap->current->next;
974	free(eap->current->pfea);
975	free(eap->current);
976	eap->current = NULL;
977	break;
978	}
979	sSelect++;
980	info = info->next;
981	}
982	}
983	WinSendDlgItemMsg(hwnd, EA_LISTBOX, LM_DELETEITEM,
984	MPFROM2SHORT(sSelect, 0), MPVOID);
985	WinShowWindow(WinWindowFromID(hwnd, EA_ENTRY), FALSE);
986	WinShowWindow(WinWindowFromID(hwnd, EA_MLE), FALSE);
987	WinShowWindow(WinWindowFromID(hwnd, EA_CHANGE), FALSE);
988	WinShowWindow(WinWindowFromID(hwnd, EA_DELETE), FALSE);
989	WinShowWindow(WinWindowFromID(hwnd, EA_HEXDUMP), FALSE);
990	WinSetDlgItemText(hwnd, EA_ENTRY, NullStr);
991	MLEclearall(WinWindowFromID(hwnd, EA_MLE));
992	WinSendDlgItemMsg(hwnd, EA_HEXDUMP, LM_DELETEALL, MPVOID, MPVOID);
993	if (sSelect && (SHORT) WinSendDlgItemMsg(hwnd, EA_LISTBOX,
994	LM_QUERYITEMCOUNT,
995	MPVOID, MPVOID) <=
996	sSelect)
997	sSelect--;
998	WinSendDlgItemMsg(hwnd, EA_LISTBOX, LM_SELECTITEM,
999	MPFROM2SHORT(sSelect, 0),
1000	MPFROM2SHORT(TRUE, 0));
1001	}
1002	}
1003	}
1004	if (!eap->head)
1005	WinSetDlgItemText(hwnd, EA_TEXT, (CHAR *)GetPString(IDS_EANOEAS));
1006	break;
1007
1008	case IDM_HELP:
1009	if (hwndHelp)
1010	WinSendMsg(hwndHelp, HM_DISPLAY_HELP,
1011	MPFROM2SHORT(HELP_EAS, 0), MPFROMSHORT(HM_RESOURCEID));
1012	break;
1013
1014	case DID_OK:
1015	WinDismissDlg(hwnd, 1);
1016	break;
1017
1018	case DID_CANCEL:
1019	WinDismissDlg(hwnd, 0);
1020	break;
1021	}
1022	return 0;
1023
1024	case WM_CLOSE:
1025	break;
1026
1027	case WM_DESTROY:
1028	if (eap) {
1029	if (eap->head)
1030	Free_FEAList(eap->head);
1031	xfree(mp2, pszSrcFile, __LINE__);
1032	free(eap);
1033	if (hptrIcon)
1034	WinDestroyPointer(hptrIcon);
1035	hptrIcon = (HPOINTER) 0;
1036	}
1037	break;
1038	} // switch
1039	return WinDefDlgProc(hwnd, msg, mp1, mp2);
1040	}
1041
1042	/**
1043	* Update one file EA
1044	* @param filename is file to be updated
1045	* @param current is discriptor for current EA value
1046	* @param newdata is text string to be converted to EA value
1047	* @param silentfail suppresses error message boxes if set
1048	* @returns point to FEA2LIST for updated EA or NULL if error
1049	*/
1050
1051	PVOID SaveEA(CHAR *filename,
1052	HOLDFEA *current,
1053	CHAR *newdata,
1054	BOOL silentfail)
1055	{
1056	PFEA2LIST pfealist = NULL;
1057	EAOP2 eaop;
1058	APIRET rc;
1059	ULONG ealen;
1060	USHORT len, num, plen;
1061	CHAR p, peaval;
1062
1063	DbgMsg(pszSrcFile, __LINE__, "SaveEA: entered for %s", filename);
1064
1065	if (!filename \|\| !current)
1066	return (PVOID)pfealist; // FIXME to complain
1067
1068	len = strlen(newdata);
1069	ealen = sizeof(FEA2LIST) + 24 + (ULONG) current->cbName + 1 +
1070	(ULONG)len + 4;
1071	// Do type specific adjustments to EA length
1072	switch ((USHORT )current->value) {
1073	case EAT_EA:
1074	case EAT_ASCII:
1075	break;
1076	case EAT_MVST:
1077	ealen += sizeof(USHORT) * 5;
1078	p = newdata;
1079	while (*p == '\n')
1080	p++;
1081	while (*p) {
1082	if (p == '\n' && (p + 1))
1083	ealen += sizeof(USHORT);
1084	p++;
1085	}
1086	break;
1087	case EAT_MVMT:
1088	ealen += sizeof(USHORT) * 5;
1089	p = newdata;
1090	while (*p == '\n')
1091	p++;
1092	while (*p) {
1093	if (p == '\n' && (p + 1))
1094	ealen += (sizeof(USHORT) * 2);
1095	p++;
1096	}
1097	break;
1098	default:
1099	// FIXME to complain
1100	return (PVOID) pfealist;
1101	} // switch EAT_...
1102
1103	if (!xDosAllocMem((PPVOID)&pfealist, ealen, pszSrcFile, __LINE__)) {
1104	// Build FEA2LIST
1105	memset(pfealist, 0, ealen);
1106	pfealist->list[0].oNextEntryOffset = 0;
1107	// pfealist->list[0].fEA = 0; // Always write non-critical EAs
1108	pfealist->list[0].fEA = current->fEA; // Retain critical EA flags 2014-02-10 SHL
1109
1110	pfealist->list[0].cbName = current->cbName;
1111	memcpy(pfealist->list[0].szName, current->name,
1112	pfealist->list[0].cbName + 1);
1113	peaval = pfealist->list[0].szName + pfealist->list[0].cbName + 1;
1114
1115	// Build new EA value
1116	switch ((USHORT )current->value) {
1117	case EAT_EA:
1118	case EAT_ASCII:
1119	(USHORT )peaval = (USHORT )current->value;
1120	peaval += sizeof(USHORT);
1121	(USHORT )peaval = (USHORT)len;
1122	peaval += sizeof(USHORT);
1123	memcpy(peaval, newdata, len);
1124	peaval += len;
1125	break;
1126	case EAT_MVST:
1127	(USHORT )peaval = (USHORT)EAT_MVST;
1128	peaval += sizeof(USHORT);
1129	(USHORT )peaval = (USHORT )(current->value + sizeof(USHORT));
1130	peaval += sizeof(USHORT);
1131	num = (USHORT *)peaval;
1132	*num = 0;
1133	peaval += sizeof(USHORT);
1134	(USHORT )peaval = (USHORT)EAT_ASCII;
1135	peaval += sizeof(USHORT);
1136	plen = (USHORT *)peaval;
1137	*plen = 0;
1138	peaval += sizeof(USHORT);
1139	p = newdata;
1140	while (*p == '\n')
1141	p++;
1142	while (*p) {
1143	while (*p) {
1144	if (*p == '\n')
1145	p++;
1146	peaval++ = p++;
1147	(*plen)++;
1148	}
1149	if (p \|\| plen)
1150	(*num)++;
1151	if (*p) {
1152	plen = (USHORT *)peaval;
1153	*plen = 0;
1154	peaval += sizeof(USHORT);
1155	}
1156	}
1157	break;
1158
1159	/**
1160	* cbList nextoffset fea cb cbval name.......
1161	* 000000 3C 00 00 00 00 00 00 00 6F 0B 24 00 2E 4B 45 59 < o
1162	$ .KEY
1163	* .................... eat code num eat
1164	* 000010 50 48 52 41 53 45 53 00 DF FF 00 00 02 00 FD FF PHRASES ßÿ ýÿ
1165	* len.. phrase1............................ eat
1166	* 000020 0C 00 4B 65 79 20 70 68 72 61 73 65 20 31 FD FF
1167	Key phrase 1ýÿ
1168	* len.. phrase2......................
1169	* 000030 0A 00 4B 65 79 20 70 68 72 61 73 65 Key phrase
1170	*/
1171	case EAT_MVMT:
1172	(USHORT )peaval = (USHORT)EAT_MVMT;
1173	peaval += sizeof(USHORT);
1174	(USHORT )peaval = (USHORT )(current->value + sizeof(USHORT));
1175	peaval += sizeof(USHORT);
1176	num = (USHORT *)peaval;
1177	*num = 0;
1178	peaval += sizeof(USHORT);
1179	(USHORT )peaval = (USHORT)EAT_ASCII;
1180	peaval += sizeof(USHORT);
1181	plen = (USHORT *)peaval;
1182	*plen = 0;
1183	peaval += sizeof(USHORT);
1184	p = newdata;
1185	while (*p == '\n')
1186	p++;
1187	while (*p) {
1188	while (*p) {
1189	if (*p == '\n')
1190	p++;
1191	peaval++ = p++;
1192	(*plen)++;
1193	}
1194	if (p \|\| plen)
1195	(*num)++;
1196	if (*p) {
1197	(USHORT )peaval = (USHORT)EAT_ASCII;
1198	peaval += sizeof(USHORT);
1199	plen = (USHORT *)peaval;
1200	*plen = 0;
1201	peaval += sizeof(USHORT);
1202	}
1203	}
1204	break;
1205	} // switch EAT_...
1206
1207	pfealist->list[0].cbValue = peaval - (pfealist->list[0].szName + pfealist->list[0].cbName + 1);
1208	eaop.fpGEA2List = (PGEA2LIST)0;
1209	eaop.fpFEA2List = pfealist;
1210	eaop.oError = 0;
1211	pfealist->cbList = 13 + (ULONG) pfealist->list[0].cbName +
1212	(ULONG)pfealist->list[0].cbValue;
1213
1214	#if 1
1215	// Rewrite iff modified
1216	if (current->pfea->cbValue == pfealist->list[0].cbValue &&
1217	memcmp(current->pfea->szName + current->pfea->cbName + 1,
1218	pfealist->list[0].szName + pfealist->list[0].cbName + 1,
1219	current->pfea->cbValue) == 0)
1220	{
1221	DbgMsg(pszSrcFile, __LINE__, "SaveEA: %s unchanged", current->pfea->szName);
1222	rc = 0; // Suppress rewrite
1223	}
1224	else {
1225	rc = xDosSetPathInfo(filename, FIL_QUERYEASIZE,
1226	&eaop, sizeof(eaop), DSPI_WRTTHRU);
1227	DbgMsg(pszSrcFile, __LINE__, "SaveEA: %s updated", current->pfea->szName);
1228	}
1229	#else
1230	// Rewrite EA
1231	rc = xDosSetPathInfo(filename, FIL_QUERYEASIZE,
1232	&eaop, sizeof(eaop), DSPI_WRTTHRU);
1233	#endif
1234	if (rc) {
1235	DosFreeMem(pfealist);
1236	pfealist = NULL;
1237	}
1238	if (rc && !silentfail) {
1239	if (rc == ERROR_ACCESS_DENIED \|\| rc == ERROR_SHARING_VIOLATION) {
1240	saymsg(MB_ENTER,
1241	HWND_DESKTOP,
1242	GetPString(IDS_OOPSTEXT),
1243	GetPString(IDS_CANTWRITEEATEXT), current->name, filename);
1244	}
1245	else {
1246	Dos_Error(MB_ENTER,
1247	rc,
1248	HWND_DESKTOP,
1249	pszSrcFile,
1250	__LINE__,
1251	GetPString(IDS_ERRORWRITEEATEXT),
1252	current->name, filename, eaop.oError);
1253	}
1254	}
1255	}
1256	return (PVOID)pfealist;
1257	}
1258
1259	HOLDFEA GetFileEAs(CHAR filename, BOOL ishandle, BOOL silentfail)
1260	{
1261	// load eas from disk into HOLDFEA linked list
1262
1263	HOLDFEA head = NULL, info, *last = NULL;
1264	FILESTATUS4 fsa4;
1265	HFILE handle;
1266	ULONG action;
1267	APIRET rc;
1268
1269	if (!filename)
1270	return head;
1271	if (ishandle \|\| !DosOpen(filename, &handle, &action, 0, 0,
1272	OPEN_ACTION_FAIL_IF_NEW \|
1273	OPEN_ACTION_OPEN_IF_EXISTS,
1274	OPEN_FLAGS_NOINHERIT \|
1275	OPEN_SHARE_DENYREADWRITE \|
1276	OPEN_ACCESS_READWRITE, (PEAOP2)0)) {
1277	if (ishandle)
1278	handle = (HFILE ) filename;
1279	if (!DosQueryFileInfo(handle, FIL_QUERYEASIZE, (PVOID)&fsa4,
1280	(ULONG) sizeof(fsa4)) &&
1281	fsa4.cbList > 4)
1282	{
1283	PDENA2 pdena;
1284	EAOP2 eaop;
1285	PGEA2LIST pgealist;
1286	PFEA2LIST pfealist;
1287	PGEA2 pgea;
1288	ULONG ulEntry = 1; // Ordinal of EA to return
1289	ULONG ulCount = 1; // # of EAs to return per call
1290
1291	pdena = xmalloc(65536 + 1024, pszSrcFile, __LINE__);
1292	if (pdena) {
1293	while (!DosEnumAttribute(ENUMEA_REFTYPE_FHANDLE,
1294	&handle,
1295	ulEntry,
1296	(PVOID)pdena,
1297	(ULONG)65536,
1298	&ulCount,
1299	ENUMEA_LEVEL_NO_VALUE) &&
1300	ulCount)
1301	{
1302	// 64 is for header and spare - FIXME to allocate smarter
1303	pgealist = xmalloc(64 + pdena->cbName, pszSrcFile, __LINE__);
1304	if (pgealist) {
1305	pgealist->cbList = 64 + pdena->cbName;
1306	pgea = pgealist->list;
1307	pgea->oNextEntryOffset = 0;
1308	pgea->cbName = pdena->cbName;
1309	memcpy(pgea->szName, pdena->szName, pdena->cbName + 1);
1310	pfealist = xmallocz(64 + pdena->cbName + pdena->cbValue,
1311	pszSrcFile, __LINE__);
1312	if (pfealist) {
1313	pfealist->cbList = 64 + pdena->cbName + pdena->cbValue;
1314	eaop.fpGEA2List = pgealist;
1315	eaop.fpFEA2List = pfealist;
1316	eaop.oError = 0;
1317	rc = DosQueryFileInfo(handle,
1318	FIL_QUERYEASFROMLIST,
1319	(PVOID)&eaop,
1320	(ULONG)sizeof(EAOP2));
1321	if (rc) {
1322	if (!silentfail) {
1323	Dos_Error(MB_ENTER,
1324	rc,
1325	HWND_DESKTOP,
1326	pszSrcFile,
1327	__LINE__,
1328	GetPString(IDS_ERRORREADEATEXT), pdena->szName);
1329	}
1330	}
1331	else {
1332	info = xmalloc(sizeof(HOLDFEA), pszSrcFile, __LINE__);
1333	if (info) {
1334	// 05 Jul 07 SHL was one short
1335	info->pfea = xmalloc(eaop.fpFEA2List->cbList - sizeof(ULONG) + 1,
1336	pszSrcFile, __LINE__);
1337	memcpy(info->pfea, eaop.fpFEA2List->list,
1338	eaop.fpFEA2List->cbList - sizeof(ULONG));
1339	// Copy for hold
1340	info->name = info->pfea->szName;
1341	info->cbName = info->pfea->cbName;
1342	info->fEA = info->pfea->fEA; // 2014-02-10 SHL
1343	info->cbValue = info->pfea->cbValue;
1344	info->value = info->pfea->szName + info->pfea->cbName + 1;
1345	info->value[info->cbValue] = 0;
1346	info->next = NULL;
1347	// Add to list
1348	if (!head)
1349	head = info;
1350	else
1351	last->next = info;
1352	last = info;
1353	} // if malloc OK
1354	} // if query from list OK
1355	free(pfealist);
1356	} // if malloc OK
1357	free(pgealist);
1358	} // if malloc OK
1359	ulEntry += ulCount;
1360	} // while have EAs
1361	free(pdena);
1362	DosPostEventSem(CompactSem);
1363	} // if malloc OK
1364	}
1365	if (!ishandle)
1366	DosClose(handle);
1367	}
1368	else {
1369	// File probably in use - try to get EAs without opening file
1370	if (!DosQueryPathInfo(filename,
1371	FIL_QUERYEASIZE,
1372	(PVOID)&fsa4,
1373	(ULONG)sizeof(fsa4)) &&
1374	fsa4.cbList > 4)
1375	{
1376	PDENA2 pdena;
1377	EAOP2 eaop;
1378	PGEA2LIST pgealist;
1379	PFEA2LIST pfealist;
1380	PGEA2 pgea;
1381	ULONG ulEntry = 1, ulCount = 1;
1382
1383	pdena = xmalloc(65536 + 1024, pszSrcFile, __LINE__);
1384	if (pdena) {
1385	while (!DosEnumAttribute(ENUMEA_REFTYPE_PATH,
1386	filename,
1387	ulEntry,
1388	(PVOID)pdena,
1389	(ULONG)65536,
1390	&ulCount,
1391	ENUMEA_LEVEL_NO_VALUE) &&
1392	ulCount)
1393	{
1394	// Got some EAs
1395	pgealist = xmalloc(64 + pdena->cbName, pszSrcFile, __LINE__);
1396	if (pgealist) {
1397	pgealist->cbList = 64 + pdena->cbName;
1398	pgea = pgealist->list;
1399	pgea->oNextEntryOffset = 0;
1400	pgea->cbName = pdena->cbName;
1401	memcpy(pgea->szName, pdena->szName, pdena->cbName + 1);
1402	pfealist =
1403	xmallocz(64 + pdena->cbName + pdena->cbValue, pszSrcFile,
1404	__LINE__);
1405	if (pfealist) {
1406	pfealist->cbList = 64 + pdena->cbName + pdena->cbValue;
1407	eaop.fpGEA2List = pgealist;
1408	eaop.fpFEA2List = pfealist;
1409	eaop.oError = 0;
1410	rc = DosQueryPathInfo(filename,
1411	FIL_QUERYEASFROMLIST,
1412	(PVOID)&eaop,
1413	(ULONG)sizeof(EAOP2));
1414	if (!rc) {
1415	// Got one
1416	info = xmalloc(sizeof(HOLDFEA), pszSrcFile, __LINE__);
1417	if (info) {
1418	// 29 Nov 07 GKY One short (EA search crash)
1419	info->pfea = xmalloc(eaop.fpFEA2List->cbList - sizeof(ULONG) + 1,
1420	pszSrcFile, __LINE__);
1421	memcpy(info->pfea, eaop.fpFEA2List->list,
1422	eaop.fpFEA2List->cbList - sizeof(ULONG));
1423	info->name = info->pfea->szName;
1424	info->cbName = info->pfea->cbName;
1425	info->fEA = info->pfea->fEA; // 2014-02-10 SHL
1426	info->cbValue = info->pfea->cbValue;
1427	info->value = info->pfea->szName + info->pfea->cbName + 1;
1428	info->value[info->cbValue] = 0;
1429	info->next = NULL;
1430	// Add to list
1431	if (!head)
1432	head = info;
1433	else
1434	last->next = info;
1435	last = info;
1436	}
1437	else
1438	free(pfealist);
1439	}
1440	else {
1441	free(pfealist);
1442	if (!silentfail) {
1443	if (rc == ERROR_ACCESS_DENIED
1444	\|\| rc == ERROR_SHARING_VIOLATION) {
1445	rc =
1446	saymsg(MB_ENTER \| MB_CANCEL, HWND_DESKTOP,
1447	GetPString(IDS_OOPSTEXT),
1448	GetPString(IDS_CANTREADEATEXT), filename,
1449	pdena->szName);
1450	if (rc == MBID_CANCEL) {
1451	free(pgealist);
1452	break;
1453	}
1454	}
1455	else {
1456	Dos_Error(MB_ENTER,
1457	rc,
1458	HWND_DESKTOP,
1459	pszSrcFile,
1460	__LINE__,
1461	GetPString(IDS_ERRORREADEATEXT), pdena->szName);
1462	}
1463	}
1464	} // if DosQeryPathInfo
1465	} // if malloc OK
1466	free(pgealist);
1467	} // if malloc OK
1468	ulEntry += ulCount;
1469	} // while have EAs
1470	free(pdena);
1471	DosPostEventSem(CompactSem);
1472	} // if malloc OK
1473	} // if DosQueryPathInfo OK
1474	} // if need DosQueryPathInfo
1475	return head;
1476	}
1477
1478	VOID Free_FEAList(HOLDFEA * pFEA)
1479	{
1480	// free a linked list of HOLDFEAs
1481
1482	register HOLDFEA *next;
1483
1484	while (pFEA) {
1485	// Free linked list
1486	next = pFEA->next;
1487	xfree(pFEA->pfea, pszSrcFile, __LINE__);
1488	free(pFEA);
1489	pFEA = next;
1490	}
1491	DosPostEventSem(CompactSem);
1492	}
1493
1494	#pragma alloc_text(EAS,DisplayEAsProc,SaveEA,HexDumpEA,CheckEA,AddEAProc)
1495	#pragma alloc_text(EAS1,HexDump,GetFileEAs,Free_FEAList)
1496

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