source: trunk/dll/subj.c@ 827

Last change on this file since 827 was 827, checked in by Steven Levine, 18 years ago

Future proof xDosSetPathInfo
Clean up callers
  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 4.1 KB
Line 
1
2/***********************************************************************
3
4 $Id: subj.c 827 2007-09-02 18:32:14Z stevenhl $
5
6 Edit .subject EAs
7
8 Copyright (c) 1993-98 M. Kimes
9 Copyright (c) 2004, 2006 Steven H.Levine
10
11 01 Aug 04 SHL Rework lstrip/rstrip usage
12 17 Jul 06 SHL Use Runtime_Error
13 06 Aug 07 GKY Increase Subject EA to 1024
14 20 Aug 07 GKY Move #pragma alloc_text to end for OpenWatcom compat
15 01 Sep 07 GKY Use xDosSetPathInfo to fix case where FS3 buffer crosses 64k boundry
16
17***********************************************************************/
18
19#define INCL_WIN
20#define INCL_DOS
21#define INCL_DOSERRORS
22#include <os2.h>
23
24#include <stdlib.h>
25#include <stdio.h>
26#include <string.h>
27#include <ctype.h>
28
29#include "fm3dll.h"
30#include "fm3dlg.h"
31#include "fm3str.h"
32
33static PSZ pszSrcFile = __FILE__;
34
35INT Subject(HWND hwnd, CHAR * filename)
36{
37 APIRET rc;
38 EAOP2 eaop;
39 PGEA2LIST pgealist;
40 PFEA2LIST pfealist;
41 PGEA2 pgea;
42 PFEA2 pfea;
43 CHAR *value, subject[1024], oldsubject[1024];
44 STRINGINPARMS sip;
45 INT ret = 0;
46
47 *subject = 0;
48 pgealist = xmallocz(sizeof(GEA2LIST) + 64, pszSrcFile, __LINE__);
49 if (pgealist) {
50 pgea = &pgealist->list[0];
51 strcpy(pgea->szName, SUBJECT);
52 pgea->cbName = strlen(pgea->szName);
53 pgea->oNextEntryOffset = 0;
54 pgealist->cbList = (sizeof(GEA2LIST) + pgea->cbName);
55 pfealist = xmallocz(1024, pszSrcFile, __LINE__);
56 if (pfealist)
57 free(pgealist);
58 else {
59 pfealist->cbList = 1024;
60 eaop.fpGEA2List = pgealist;
61 eaop.fpFEA2List = pfealist;
62 eaop.oError = 0;
63 rc = DosQueryPathInfo(filename, FIL_QUERYEASFROMLIST,
64 (PVOID) & eaop, (ULONG) sizeof(EAOP2));
65 free(pgealist);
66 if (!rc) {
67 pfea = &eaop.fpFEA2List->list[0];
68 value = pfea->szName + pfea->cbName + 1;
69 value[pfea->cbValue] = 0;
70 if (*(USHORT *) value == EAT_ASCII)
71 strncpy(subject, value + (sizeof(USHORT) * 2), 1023);
72 subject[1023] = 0;
73 }
74 free(pfealist);
75 if (rc == ERROR_SHARING_VIOLATION || rc == ERROR_ACCESS_DENIED) {
76 saymsg(MB_CANCEL,
77 hwnd,
78 GetPString(IDS_OOPSTEXT),
79 GetPString(IDS_EASBUSYTEXT), filename);
80 return 2; // Error
81 }
82 else if (rc) {
83 Dos_Error(MB_CANCEL, rc, hwnd, pszSrcFile, __LINE__,
84 "DosQueryPathInfo");
85 return 2; // Error
86 }
87 }
88 }
89 memset(&sip, 0, sizeof(sip));
90 strcpy(oldsubject, subject);
91 sip.help = GetPString(IDS_SUBJECTINPUTHELPTEXT);
92 sip.ret = subject;
93 sip.prompt = GetPString(IDS_SUBJECTINPUTPROMPTTEXT);
94 sip.inputlen = 1024;
95 sip.title = filename;
96 if (WinDlgBox
97 (HWND_DESKTOP, hwnd, InputDlgProc, FM3ModHandle, STR_FRAME, &sip)
98 && isalpha(*filename)
99 && !(driveflags[toupper(*filename) - 'A'] & DRIVE_NOTWRITEABLE)) {
100 subject[1023] = 0;
101 bstrip(subject);
102 if (strcmp(oldsubject, subject)) {
103
104 ULONG ealen;
105 USHORT len;
106 CHAR *eaval;
107
108 len = strlen(subject);
109 if (len)
110 ealen = sizeof(FEA2LIST) + 9 + len + 4;
111 else
112 ealen = sizeof(FEALIST) + 9;
113 rc = DosAllocMem((PPVOID) & pfealist, ealen + 1L,
114 OBJ_TILE | PAG_COMMIT | PAG_READ | PAG_WRITE);
115 if (rc)
116 Dos_Error(MB_CANCEL, rc, hwnd, pszSrcFile, __LINE__,
117 GetPString(IDS_OUTOFMEMORY));
118 else {
119 memset(pfealist, 0, ealen + 1);
120 pfealist->cbList = ealen;
121 pfealist->list[0].oNextEntryOffset = 0L;
122 pfealist->list[0].fEA = 0;
123 pfealist->list[0].cbName = 8;
124 strcpy(pfealist->list[0].szName, SUBJECT);
125 if (len) {
126 eaval = pfealist->list[0].szName + 9;
127 *(USHORT *) eaval = (USHORT) EAT_ASCII;
128 eaval += sizeof(USHORT);
129 *(USHORT *) eaval = (USHORT) len;
130 eaval += sizeof(USHORT);
131 memcpy(eaval, subject, len);
132 pfealist->list[0].cbValue = len + (sizeof(USHORT) * 2);
133 }
134 else
135 pfealist->list[0].cbValue = 0;
136 eaop.fpGEA2List = (PGEA2LIST) 0;
137 eaop.fpFEA2List = pfealist;
138 eaop.oError = 0;
139 rc = xDosSetPathInfo(filename, FIL_QUERYEASIZE,
140 &eaop, sizeof(eaop), DSPI_WRTTHRU);
141 DosFreeMem(pfealist);
142 if (rc) {
143 Dos_Error(MB_ENTER, rc, HWND_DESKTOP, pszSrcFile, __LINE__,
144 GetPString(IDS_ERRORSETTINGSUBJECTTEXT), filename);
145 }
146 else
147 ret = 1; // OK
148 }
149 }
150 }
151 return ret; // No change?
152}
153
154#pragma alloc_text(FMINPUT,Subject)
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