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OS/2 Shareware BBS: 2 BBS
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02-BBS.zip
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lora299s.zip
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USER.CPP
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C/C++ Source or Header
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1998-05-12
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// LoraBBS Version 2.99 Free Edition
// Copyright (C) 1987-98 Marco Maccaferri
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#include "_ldefs.h"
#include "lora_api.h"
/*
static ULONG cr3tab[] = {
0x00000000L, 0x77073096L, 0xee0e612cL, 0x990951baL, 0x076dc419L, 0x706af48fL, 0xe963a535L, 0x9e6495a3L,
0x0edb8832L, 0x79dcb8a4L, 0xe0d5e91eL, 0x97d2d988L, 0x09b64c2bL, 0x7eb17cbdL, 0xe7b82d07L, 0x90bf1d91L,
0x1db71064L, 0x6ab020f2L, 0xf3b97148L, 0x84be41deL, 0x1adad47dL, 0x6ddde4ebL, 0xf4d4b551L, 0x83d385c7L,
0x136c9856L, 0x646ba8c0L, 0xfd62f97aL, 0x8a65c9ecL, 0x14015c4fL, 0x63066cd9L, 0xfa0f3d63L, 0x8d080df5L,
0x3b6e20c8L, 0x4c69105eL, 0xd56041e4L, 0xa2677172L, 0x3c03e4d1L, 0x4b04d447L, 0xd20d85fdL, 0xa50ab56bL,
0x35b5a8faL, 0x42b2986cL, 0xdbbbc9d6L, 0xacbcf940L, 0x32d86ce3L, 0x45df5c75L, 0xdcd60dcfL, 0xabd13d59L,
0x26d930acL, 0x51de003aL, 0xc8d75180L, 0xbfd06116L, 0x21b4f4b5L, 0x56b3c423L, 0xcfba9599L, 0xb8bda50fL,
0x2802b89eL, 0x5f058808L, 0xc60cd9b2L, 0xb10be924L, 0x2f6f7c87L, 0x58684c11L, 0xc1611dabL, 0xb6662d3dL,
0x76dc4190L, 0x01db7106L, 0x98d220bcL, 0xefd5102aL, 0x71b18589L, 0x06b6b51fL, 0x9fbfe4a5L, 0xe8b8d433L,
0x7807c9a2L, 0x0f00f934L, 0x9609a88eL, 0xe10e9818L, 0x7f6a0dbbL, 0x086d3d2dL, 0x91646c97L, 0xe6635c01L,
0x6b6b51f4L, 0x1c6c6162L, 0x856530d8L, 0xf262004eL, 0x6c0695edL, 0x1b01a57bL, 0x8208f4c1L, 0xf50fc457L,
0x65b0d9c6L, 0x12b7e950L, 0x8bbeb8eaL, 0xfcb9887cL, 0x62dd1ddfL, 0x15da2d49L, 0x8cd37cf3L, 0xfbd44c65L,
0x4db26158L, 0x3ab551ceL, 0xa3bc0074L, 0xd4bb30e2L, 0x4adfa541L, 0x3dd895d7L, 0xa4d1c46dL, 0xd3d6f4fbL,
0x4369e96aL, 0x346ed9fcL, 0xad678846L, 0xda60b8d0L, 0x44042d73L, 0x33031de5L, 0xaa0a4c5fL, 0xdd0d7cc9L,
0x5005713cL, 0x270241aaL, 0xbe0b1010L, 0xc90c2086L, 0x5768b525L, 0x206f85b3L, 0xb966d409L, 0xce61e49fL,
0x5edef90eL, 0x29d9c998L, 0xb0d09822L, 0xc7d7a8b4L, 0x59b33d17L, 0x2eb40d81L, 0xb7bd5c3bL, 0xc0ba6cadL,
0xedb88320L, 0x9abfb3b6L, 0x03b6e20cL, 0x74b1d29aL, 0xead54739L, 0x9dd277afL, 0x04db2615L, 0x73dc1683L,
0xe3630b12L, 0x94643b84L, 0x0d6d6a3eL, 0x7a6a5aa8L, 0xe40ecf0bL, 0x9309ff9dL, 0x0a00ae27L, 0x7d079eb1L,
0xf00f9344L, 0x8708a3d2L, 0x1e01f268L, 0x6906c2feL, 0xf762575dL, 0x806567cbL, 0x196c3671L, 0x6e6b06e7L,
0xfed41b76L, 0x89d32be0L, 0x10da7a5aL, 0x67dd4accL, 0xf9b9df6fL, 0x8ebeeff9L, 0x17b7be43L, 0x60b08ed5L,
0xd6d6a3e8L, 0xa1d1937eL, 0x38d8c2c4L, 0x4fdff252L, 0xd1bb67f1L, 0xa6bc5767L, 0x3fb506ddL, 0x48b2364bL,
0xd80d2bdaL, 0xaf0a1b4cL, 0x36034af6L, 0x41047a60L, 0xdf60efc3L, 0xa867df55L, 0x316e8eefL, 0x4669be79L,
0xcb61b38cL, 0xbc66831aL, 0x256fd2a0L, 0x5268e236L, 0xcc0c7795L, 0xbb0b4703L, 0x220216b9L, 0x5505262fL,
0xc5ba3bbeL, 0xb2bd0b28L, 0x2bb45a92L, 0x5cb36a04L, 0xc2d7ffa7L, 0xb5d0cf31L, 0x2cd99e8bL, 0x5bdeae1dL,
0x9b64c2b0L, 0xec63f226L, 0x756aa39cL, 0x026d930aL, 0x9c0906a9L, 0xeb0e363fL, 0x72076785L, 0x05005713L,
0x95bf4a82L, 0xe2b87a14L, 0x7bb12baeL, 0x0cb61b38L, 0x92d28e9bL, 0xe5d5be0dL, 0x7cdcefb7L, 0x0bdbdf21L,
0x86d3d2d4L, 0xf1d4e242L, 0x68ddb3f8L, 0x1fda836eL, 0x81be16cdL, 0xf6b9265bL, 0x6fb077e1L, 0x18b74777L,
0x88085ae6L, 0xff0f6a70L, 0x66063bcaL, 0x11010b5cL, 0x8f659effL, 0xf862ae69L, 0x616bffd3L, 0x166ccf45L,
0xa00ae278L, 0xd70dd2eeL, 0x4e048354L, 0x3903b3c2L, 0xa7672661L, 0xd06016f7L, 0x4969474dL, 0x3e6e77dbL,
0xaed16a4aL, 0xd9d65adcL, 0x40df0b66L, 0x37d83bf0L, 0xa9bcae53L, 0xdebb9ec5L, 0x47b2cf7fL, 0x30b5ffe9L,
0xbdbdf21cL, 0xcabac28aL, 0x53b39330L, 0x24b4a3a6L, 0xbad03605L, 0xcdd70693L, 0x54de5729L, 0x23d967bfL,
0xb3667a2eL, 0xc4614ab8L, 0x5d681b02L, 0x2a6f2b94L, 0xb40bbe37L, 0xc30c8ea1L, 0x5a05df1bL, 0x2d02ef8dL
};
static ULONG StringCrc32 (CHAR *pszString, ULONG ulCrc)
{
while (*pszString) {
ulCrc = (cr3tab[((ULONG)ulCrc ^ (UCHAR)*pszString) & 0xFF] ^ ((ulCrc >> 8) & 0x00FFFFFFL));
pszString++;
}
return (ulCrc);
}
*/
TUser::TUser (void)
{
strcpy (DatFile, "users.dat");
strcpy (IdxFile, "users.idx");
fdDat = fdIdx = -1;
MsgTag = new TMsgTag;
FileTag = new TFileTag;
}
TUser::TUser (PSZ pszUserFile)
{
strcpy (DatFile, pszUserFile);
strcat (DatFile, ".dat");
strcpy (IdxFile, pszUserFile);
strcat (IdxFile, ".idx");
fdDat = fdIdx = -1;
MsgTag = new TMsgTag (pszUserFile);
FileTag = new TFileTag (pszUserFile);
}
TUser::~TUser (void)
{
if (fdDat != -1)
close (fdDat);
if (fdIdx != -1)
close (fdIdx);
if (FileTag != NULL)
delete FileTag;
if (MsgTag != NULL)
delete MsgTag;
}
VOID TUser::Struct2Class (VOID)
{
strcpy (Name, Usr.Name);
Password = Usr.Password;
strcpy (RealName, Usr.RealName);
strcpy (Company, Usr.Company);
strcpy (Address, Usr.Address);
strcpy (City, Usr.City);
strcpy (DayPhone, Usr.DayPhone);
Ansi = Usr.Ansi;
Avatar = Usr.Avatar;
Color = Usr.Color;
HotKey = Usr.HotKey;
Sex = Usr.Sex;
FullEd = Usr.FullEd;
FullReader = Usr.FullReader;
NoDisturb = Usr.NoDisturb;
AccessFailed = Usr.AccessFailed;
ScreenHeight = Usr.ScreenHeight;
ScreenWidth = Usr.ScreenWidth;
Level = Usr.Level;
AccessFlags = Usr.AccessFlags;
DenyFlags = Usr.DenyFlags;
CreationDate = Usr.CreationDate;
LastCall = Usr.LastCall;
TotalCalls = Usr.TotalCalls;
TodayTime = Usr.TodayTime;
WeekTime = Usr.WeekTime;
MonthTime = Usr.MonthTime;
YearTime = Usr.YearTime;
strcpy (MailBox, Usr.MailBox);
strcpy (LimitClass, Usr.LimitClass);
strcpy (Language, Usr.Language);
strcpy (FtpHost, Usr.FtpHost);
strcpy (FtpName, Usr.FtpName);
strcpy (FtpPwd, Usr.FtpPwd);
strcpy (LastMsgArea, Usr.LastMsgArea);
strcpy (LastFileArea, Usr.LastFileArea);
UploadFiles = Usr.UploadFiles;
UploadBytes = Usr.UploadBytes;
DownloadFiles = Usr.DownloadFiles;
DownloadBytes = Usr.DownloadBytes;
FilesToday = Usr.FilesToday;
BytesToday = Usr.BytesToday;
ImportPOP3Mail = Usr.ImportPOP3Mail;
UseInetAddress = Usr.UseInetAddress;
strcpy (InetAddress, Usr.InetAddress);
strcpy (Pop3Pwd, Usr.Pop3Pwd);
strcpy (Archiver, Usr.Archiver);
strcpy (Protocol, Usr.Protocol);
strcpy (Signature, Usr.Signature);
FullScreen = Usr.FullScreen;
IBMChars = Usr.IBMChars;
MorePrompt = Usr.MorePrompt;
ScreenClear = Usr.ScreenClear;
InUserList = Usr.InUserList;
MailCheck = Usr.MailCheck;
NewFileCheck = Usr.NewFileCheck;
BirthDay = Usr.BirthDay;
BirthMonth = Usr.BirthMonth;
BirthYear = Usr.BirthYear;
LastPwdChange = Usr.LastPwdChange;
PwdLength = Usr.PwdLength;
strcpy (PwdText, Usr.PwdText);
CurrentCRC = StringCrc32 (Name, 0xFFFFFFFFL);
}
VOID TUser::Class2Struct (VOID)
{
memset (&Usr, 0, sizeof (Usr));
Usr.Size = sizeof (Usr);
strcpy (Usr.Name, Name);
Usr.Password = Password;
strcpy (Usr.RealName, RealName);
strcpy (Usr.Company, Company);
strcpy (Usr.Address, Address);
strcpy (Usr.City, City);
strcpy (Usr.DayPhone, DayPhone);
Usr.Ansi = Ansi;
Usr.Avatar = Avatar;
Usr.Color = Color;
Usr.HotKey = HotKey;
Usr.Sex = Sex;
Usr.FullEd = FullEd;
Usr.FullReader = FullReader;
Usr.NoDisturb = NoDisturb;
Usr.AccessFailed = AccessFailed;
Usr.ScreenHeight = ScreenHeight;
Usr.ScreenWidth = ScreenWidth;
Usr.Level = Level;
Usr.AccessFlags = AccessFlags;
Usr.DenyFlags = DenyFlags;
Usr.CreationDate = CreationDate;
Usr.LastCall = LastCall;
Usr.TotalCalls = TotalCalls;
Usr.TodayTime = TodayTime;
Usr.WeekTime = WeekTime;
Usr.MonthTime = MonthTime;
Usr.YearTime = YearTime;
strcpy (Usr.MailBox, MailBox);
strcpy (Usr.LimitClass, LimitClass);
strcpy (Usr.Language, Language);
strcpy (Usr.FtpHost, FtpHost);
strcpy (Usr.FtpName, FtpName);
strcpy (Usr.FtpPwd, FtpPwd);
strcpy (Usr.LastMsgArea, LastMsgArea);
strcpy (Usr.LastFileArea, LastFileArea);
Usr.UploadFiles = UploadFiles;
Usr.UploadBytes = UploadBytes;
Usr.DownloadFiles = DownloadFiles;
Usr.DownloadBytes = DownloadBytes;
Usr.FilesToday = FilesToday;
Usr.BytesToday = BytesToday;
Usr.ImportPOP3Mail = ImportPOP3Mail;
Usr.UseInetAddress = UseInetAddress;
strcpy (Usr.InetAddress, InetAddress);
strcpy (Usr.Pop3Pwd, Pop3Pwd);
strcpy (Usr.Archiver, Archiver);
strcpy (Usr.Protocol, Protocol);
strcpy (Usr.Signature, Signature);
Usr.FullScreen = FullScreen;
Usr.IBMChars = IBMChars;
Usr.MorePrompt = MorePrompt;
Usr.ScreenClear = ScreenClear;
Usr.InUserList = InUserList;
Usr.MailCheck = MailCheck;
Usr.NewFileCheck = NewFileCheck;
Usr.BirthDay = BirthDay;
Usr.BirthMonth = BirthMonth;
Usr.BirthYear = BirthYear;
Usr.LastPwdChange = LastPwdChange;
Usr.PwdLength = PwdLength;
strcpy (Usr.PwdText, PwdText);
}
USHORT TUser::Add (VOID)
{
USHORT RetVal = FALSE;
if (fdDat == -1)
fdDat = sopen (DatFile, O_RDWR|O_BINARY|O_CREAT, SH_DENYNO, S_IREAD|S_IWRITE);
if (fdIdx == -1)
fdIdx = sopen (IdxFile, O_RDWR|O_BINARY|O_CREAT, SH_DENYNO, S_IREAD|S_IWRITE);
if (fdDat != -1 && fdIdx != -1) {
lseek (fdDat, 0L, SEEK_END);
lseek (fdIdx, 0L, SEEK_END);
memset (&Idx, 0, sizeof (Idx));
Idx.Deleted = FALSE;
Idx.NameCrc = StringCrc32 (Name, 0xFFFFFFFFL);
Idx.RealNameCrc = StringCrc32 (RealName, 0xFFFFFFFFL);
Idx.Position = tell (fdDat);
CurrentCRC = Idx.NameCrc;
Class2Struct ();
write (fdDat, &Usr, sizeof (Usr));
write (fdIdx, &Idx, sizeof (Idx));
MsgTag->UserId = Idx.NameCrc;
MsgTag->Load ();
FileTag->UserId = Idx.NameCrc;
FileTag->Load ();
RetVal = TRUE;
}
return (RetVal);
}
USHORT TUser::Age (VOID)
{
USHORT RetVal = 0;
struct dosdate_t d_date;
_dos_getdate (&d_date);
if (BirthDay != 0 && BirthMonth != 0 && BirthYear > 1880 && BirthYear < d_date.year) {
RetVal = (USHORT)(d_date.year - BirthYear);
if (d_date.month < BirthMonth)
RetVal--;
else if (d_date.month == BirthMonth && d_date.day < BirthDay)
RetVal--;
}
return (RetVal);
}
VOID TUser::ChangeLimitClass (PSZ pszOld, PSZ pszNew)
{
if (fdDat == -1)
fdDat = sopen (DatFile, O_RDWR|O_BINARY|O_CREAT, SH_DENYNO, S_IREAD|S_IWRITE);
if (fdDat != -1) {
lseek (fdDat, 0L, SEEK_SET);
while (read (fdDat, &Usr, sizeof (Usr)) == sizeof (Usr)) {
if (!stricmp (Usr.LimitClass, pszOld)) {
strcpy (Usr.LimitClass, pszNew);
lseek (fdDat, tell (fdDat) - sizeof (Usr), SEEK_SET);
write (fdDat, &Usr, sizeof (Usr));
}
}
}
if (fdDat != -1) {
close (fdDat);
fdDat = -1;
}
}
USHORT TUser::CheckPassword (PSZ pszPassword)
{
USHORT RetVal = FALSE;
if (Password == StringCrc32 (strupr (pszPassword), 0xFFFFFFFFL))
RetVal = TRUE;
return (RetVal);
}
VOID TUser::Clear (VOID)
{
memset (&Usr, 0, sizeof (USER));
Struct2Class ();
MsgTag->Clear ();
FileTag->Clear ();
}
USHORT TUser::Delete (VOID)
{
USHORT RetVal = FALSE, DoClose = FALSE;
ULONG NameCrc;
if (fdDat == -1) {
fdDat = sopen (DatFile, O_RDWR|O_BINARY|O_CREAT, SH_DENYNO, S_IREAD|S_IWRITE);
DoClose = TRUE;
}
if (fdIdx == -1) {
fdIdx = sopen (IdxFile, O_RDWR|O_BINARY|O_CREAT, SH_DENYNO, S_IREAD|S_IWRITE);
DoClose = TRUE;
}
if (fdDat != -1 && fdIdx != -1) {
NameCrc = StringCrc32 (Name, 0xFFFFFFFFL);
lseek (fdIdx, 0L, SEEK_SET);
while (RetVal == FALSE && read (fdIdx, &Idx, sizeof (Idx)) == sizeof (Idx)) {
if (Idx.Deleted == FALSE && Idx.NameCrc == NameCrc)
RetVal = TRUE;
}
if (RetVal == TRUE) {
Idx.Deleted = TRUE;
lseek (fdIdx, tell (fdIdx) - sizeof (Idx), SEEK_SET);
write (fdIdx, &Idx, sizeof (Idx));
}
}
if (DoClose == TRUE) {
if (fdDat != -1) {
close (fdDat);
fdDat = -1;
}
if (fdIdx != -1) {
close (fdIdx);
fdIdx = -1;
}
}
return (RetVal);
}
USHORT TUser::First (VOID)
{
USHORT RetVal = FALSE;
if (fdDat == -1)
fdDat = sopen (DatFile, O_RDWR|O_BINARY|O_CREAT, SH_DENYNO, S_IREAD|S_IWRITE);
if (fdIdx == -1)
fdIdx = sopen (IdxFile, O_RDWR|O_BINARY|O_CREAT, SH_DENYNO, S_IREAD|S_IWRITE);
if (fdDat != -1 && fdIdx != -1) {
lseek (fdIdx, 0L, SEEK_SET);
lseek (fdDat, 0L, SEEK_SET);
RetVal = Next ();
}
return (RetVal);
}
USHORT TUser::GetData (PSZ pszName, USHORT fCheckRealName)
{
USHORT RetVal = FALSE, DoClose = FALSE;
ULONG TestCrc;
if (fdDat == -1) {
fdDat = sopen (DatFile, O_RDWR|O_BINARY|O_CREAT, SH_DENYNO, S_IREAD|S_IWRITE);
DoClose = TRUE;
}
if (fdIdx == -1) {
fdIdx = sopen (IdxFile, O_RDWR|O_BINARY|O_CREAT, SH_DENYNO, S_IREAD|S_IWRITE);
DoClose = TRUE;
}
if (fdDat != -1 && fdIdx != -1) {
Clear ();
TestCrc = StringCrc32 (pszName, 0xFFFFFFFFL);
lseek (fdIdx, 0L, SEEK_SET);
while (RetVal == FALSE && read (fdIdx, &Idx, sizeof (Idx)) == sizeof (Idx)) {
if (Idx.Deleted == FALSE && Idx.NameCrc == TestCrc)
RetVal = TRUE;
}
if (RetVal == FALSE && fCheckRealName == TRUE) {
lseek (fdIdx, 0L, SEEK_SET);
while (RetVal == FALSE && read (fdIdx, &Idx, sizeof (Idx)) == sizeof (Idx)) {
if (Idx.Deleted == FALSE && Idx.RealNameCrc == TestCrc)
RetVal = TRUE;
}
}
if (RetVal == TRUE) {
lseek (fdDat, Idx.Position, SEEK_SET);
read (fdDat, &Usr, sizeof (Usr));
Struct2Class ();
MsgTag->UserId = Idx.NameCrc;
MsgTag->Load ();
FileTag->UserId = Idx.NameCrc;
FileTag->Load ();
}
}
if (DoClose == TRUE) {
if (fdDat != -1) {
close (fdDat);
fdDat = -1;
}
if (fdIdx != -1) {
close (fdIdx);
fdIdx = -1;
}
}
return (RetVal);
}
USHORT TUser::Next (VOID)
{
USHORT RetVal = FALSE;
if (fdDat != -1 && fdIdx != -1) {
while (RetVal == FALSE && read (fdIdx, &Idx, sizeof (Idx)) == sizeof (Idx)) {
if (Idx.Deleted == FALSE)
RetVal = TRUE;
}
if (RetVal == TRUE) {
Clear ();
lseek (fdDat, Idx.Position, SEEK_SET);
read (fdDat, &Usr, sizeof (Usr));
Struct2Class ();
}
}
return (RetVal);
}
VOID TUser::SetPassword (PSZ pszPassword)
{
Password = StringCrc32 (strupr (pszPassword), 0xFFFFFFFFL);
}
VOID TUser::Pack (VOID)
{
int fdNew;
if (fdDat == -1)
fdDat = sopen (DatFile, O_RDWR|O_BINARY|O_CREAT, SH_DENYNO, S_IREAD|S_IWRITE);
if (fdIdx == -1)
fdIdx = sopen (IdxFile, O_RDWR|O_BINARY|O_CREAT, SH_DENYNO, S_IREAD|S_IWRITE);
fdNew = sopen ("users.new", O_RDWR|O_BINARY|O_CREAT|O_TRUNC, SH_DENYNO, S_IREAD|S_IWRITE);
if (fdNew != -1 && fdDat != -1 && fdIdx != -1) {
lseek (fdIdx, 0L, SEEK_SET);
lseek (fdDat, 0L, SEEK_SET);
while (read (fdIdx, &Idx, sizeof (Idx)) == sizeof (Idx)) {
if (Idx.Deleted == FALSE) {
lseek (fdDat, Idx.Position, SEEK_SET);
read (fdDat, &Usr, sizeof (Usr));
write (fdNew, &Usr, sizeof (Usr));
}
}
lseek (fdIdx, 0L, SEEK_SET);
lseek (fdDat, 0L, SEEK_SET);
lseek (fdNew, 0L, SEEK_SET);
while (read (fdNew, &Usr, sizeof (Usr)) == sizeof (Usr)) {
memset (&Idx, 0, sizeof (Idx));
Idx.Deleted = FALSE;
Idx.NameCrc = StringCrc32 (Usr.Name, 0xFFFFFFFFL);
Idx.RealNameCrc = StringCrc32 (Usr.RealName, 0xFFFFFFFFL);
Idx.Position = tell (fdDat);
write (fdDat, &Usr, sizeof (Usr));
write (fdIdx, &Idx, sizeof (Idx));
}
chsize (fdDat, tell (fdDat));
chsize (fdIdx, tell (fdIdx));
}
if (fdNew != -1) {
close (fdNew);
unlink ("users.new");
}
if (fdIdx != -1) {
close (fdIdx);
fdIdx = -1;
}
if (fdDat != -1) {
close (fdDat);
fdDat = -1;
}
}
USHORT TUser::Previous (VOID)
{
USHORT RetVal = FALSE;
if (fdDat == -1)
fdDat = sopen (DatFile, O_RDWR|O_BINARY|O_CREAT, SH_DENYNO, S_IREAD|S_IWRITE);
if (fdIdx == -1)
fdIdx = sopen (IdxFile, O_RDWR|O_BINARY|O_CREAT, SH_DENYNO, S_IREAD|S_IWRITE);
if (fdDat != -1 && fdIdx != -1 && (tell (fdIdx) - sizeof (Idx)) >= sizeof (Idx)) {
do {
lseek (fdIdx, tell (fdIdx) - sizeof (Idx) * 2, SEEK_SET);
if (read (fdIdx, &Idx, sizeof (Idx)) == sizeof (Idx)) {
if (Idx.Deleted == FALSE)
RetVal = TRUE;
}
} while (RetVal == FALSE && tell (fdIdx) >= sizeof (Idx) * 2);
if (RetVal == TRUE) {
Clear ();
lseek (fdDat, Idx.Position, SEEK_SET);
read (fdDat, &Usr, sizeof (Usr));
Struct2Class ();
}
}
return (RetVal);
}
VOID TUser::Reindex (VOID)
{
ULONG Position;
if (fdDat != -1)
close (fdDat);
if (fdIdx != -1)
close (fdIdx);
fdDat = sopen (DatFile, O_RDWR|O_BINARY|O_CREAT, SH_DENYNO, S_IREAD|S_IWRITE);
fdIdx = sopen (IdxFile, O_RDWR|O_BINARY|O_CREAT|O_TRUNC, SH_DENYNO, S_IREAD|S_IWRITE);
if (fdDat != -1 && fdIdx != -1) {
lseek (fdDat, 0L, SEEK_SET);
Position = tell (fdDat);
while (read (fdDat, &Usr, sizeof (Usr)) == sizeof (Usr)) {
if (Usr.Size == sizeof (Usr)) {
memset (&Idx, 0, sizeof (Idx));
Idx.Deleted = FALSE;
Idx.NameCrc = StringCrc32 (Usr.Name, 0xFFFFFFFFL);
Idx.RealNameCrc = StringCrc32 (Usr.RealName, 0xFFFFFFFFL);
Idx.Position = Position;
write (fdIdx, &Idx, sizeof (Idx));
}
Position = tell (fdDat);
}
}
if (fdDat != -1) {
close (fdDat);
fdDat = -1;
}
if (fdIdx != -1) {
close (fdIdx);
fdIdx = -1;
}
}
// Aggiorna i dati relativi ad un nominativo.
// -----------------------------------------------------------------------------
USHORT TUser::Update (VOID)
{
USHORT RetVal = FALSE, DoClose = FALSE;
// Verifica se i file dati devono essere aperti, nel qual caso attiva il flag
// DoClose per poi forzarne la chiusura al termine della funzione.
if (fdDat == -1) {
fdDat = sopen (DatFile, O_RDWR|O_BINARY|O_CREAT, SH_DENYNO, S_IREAD|S_IWRITE);
DoClose = TRUE;
}
if (fdIdx == -1) {
fdIdx = sopen (IdxFile, O_RDWR|O_BINARY|O_CREAT, SH_DENYNO, S_IREAD|S_IWRITE);
DoClose = TRUE;
}
if (fdDat != -1 && fdIdx != -1) {
// Cerca tramite l'indice il record corrispondente all'ultimo nominativo
// selezionato. Non si puo' utilizzare il nome nella classe perche' potrebbe
// non essere piu' quello letto originariamente.
lseek (fdIdx, 0L, SEEK_SET);
while (read (fdIdx, &Idx, sizeof (Idx)) == sizeof (Idx)) {
if (Idx.Deleted == FALSE && Idx.NameCrc == CurrentCRC) {
RetVal = TRUE;
break;
}
}
if (RetVal == TRUE) {
// Copia tutti i dati della classe nella struttura dati da scrivere
// nel record.
Class2Struct ();
// Aggiorna il CRC di nome e alias nell'indice, nel caso in cui questi
// dati fossero stati cambiati.
Idx.NameCrc = StringCrc32 (Name, 0xFFFFFFFFL);
Idx.RealNameCrc = StringCrc32 (RealName, 0xFFFFFFFFL);
lseek (fdIdx, tell (fdIdx) - sizeof (Idx), SEEK_SET);
write (fdIdx, &Idx, sizeof (Idx));
// Aggiorna il record dati vero e proprio.
lseek (fdDat, Idx.Position, SEEK_SET);
write (fdDat, &Usr, sizeof (Usr));
// Se e' stato cambiato il nome dell'utente, cambia anche le associazioni
// con i file contenenti i puntatori agli ultimi messaggi letti e i files
// marcati per il download.
if (CurrentCRC != Idx.NameCrc) {
MsgTag->Change (CurrentCRC, Idx.NameCrc);
FileTag->Change (CurrentCRC, Idx.NameCrc);
CurrentCRC = Idx.NameCrc;
}
// Aggiorna il file contenenti i puntatori agli ultimi messaggi letti.
MsgTag->UserId = Idx.NameCrc;
MsgTag->Save ();
// Aggiorna il file contenente i nome dei file marcati per il download.
FileTag->UserId = Idx.NameCrc;
FileTag->Save ();
}
}
// Se i file non erano gia' aperti prima di invocare questa funzione, vengono
// chiusi automaticamente per non lasciare handle aperti inutilmente.
if (DoClose == TRUE) {
if (fdDat != -1) {
close (fdDat);
fdDat = -1;
}
if (fdIdx != -1) {
close (fdIdx);
fdIdx = -1;
}
}
return (RetVal);
}
// --------------------------------------------------------------------------
TMsgTag::TMsgTag (void)
{
Data.Clear ();
strcpy (DatFile, "msgtags.dat");
}
TMsgTag::TMsgTag (PSZ pszUserFile)
{
CHAR *p;
Data.Clear ();
strcpy (DatFile, pszUserFile);
p = &DatFile[strlen (DatFile)];
while (*p != '\\' && *p != '/' && *p != ':' && p > DatFile)
p--;
if (*p == '\\' || *p == '/')
p++;
strcpy (p, "msgtags.dat");
}
TMsgTag::~TMsgTag (void)
{
Data.Clear ();
}
VOID TMsgTag::Add (VOID)
{
MSGTAGS Buffer;
memset (&Buffer, 0, sizeof (MSGTAGS));
Buffer.Free = FALSE;
Buffer.Tagged = Tagged;
Buffer.UserId = UserId;
strcpy (Buffer.Area, Area);
Buffer.LastRead = LastRead;
Buffer.OlderMsg = OlderMsg;
Data.Add (&Buffer, sizeof (MSGTAGS));
}
// Cambia il nome di un'area
// -----------------------------------------------------------------------------
VOID TMsgTag::Change (PSZ pszOldName, PSZ pszNewName)
{
int fd, i, Count, Changed;
ULONG Position;
MSGTAGS *Buffer;
if ((fd = sopen (DatFile, O_RDWR|O_BINARY|O_CREAT, SH_DENYNO, S_IREAD|S_IWRITE)) != -1) {
if ((Buffer = (MSGTAGS *)malloc (sizeof (MSGTAGS) * MSGTAGS_INDEX)) != NULL) {
do {
Changed = FALSE;
Position = tell (fd);
Count = read (fd, Buffer, sizeof (MSGTAGS) * MSGTAGS_INDEX) / sizeof (MSGTAGS);
for (i = 0; i < Count; i++) {
if (Buffer[i].Free == FALSE && !stricmp (Buffer[i].Area, pszOldName)) {
strcpy (Buffer[i].Area, pszNewName);
Changed = TRUE;
}
}
if (Changed == TRUE) {
lseek (fd, Position, SEEK_SET);
write (fd, Buffer, sizeof (MSGTAGS) * Count);
}
} while (Count == MSGTAGS_INDEX);
free (Buffer);
}
close (fd);
}
}
// Cambia l'ID dell'utente associato ai record.
// -----------------------------------------------------------------------------
VOID TMsgTag::Change (ULONG OldId, ULONG NewId)
{
int fd, i, Count, Changed;
ULONG Position;
MSGTAGS *Buffer;
if ((fd = sopen (DatFile, O_RDWR|O_BINARY|O_CREAT, SH_DENYNO, S_IREAD|S_IWRITE)) != -1) {
if ((Buffer = (MSGTAGS *)malloc (sizeof (MSGTAGS) * MSGTAGS_INDEX)) != NULL) {
do {
Changed = FALSE;
Position = tell (fd);
Count = read (fd, Buffer, sizeof (MSGTAGS) * MSGTAGS_INDEX) / sizeof (MSGTAGS);
for (i = 0; i < Count; i++) {
if (Buffer[i].Free == FALSE && Buffer[i].UserId == OldId) {
Buffer[i].UserId = NewId;
Changed = TRUE;
}
}
if (Changed == TRUE) {
lseek (fd, Position, SEEK_SET);
write (fd, Buffer, sizeof (MSGTAGS) * Count);
}
} while (Count == MSGTAGS_INDEX);
free (Buffer);
}
close (fd);
}
}
VOID TMsgTag::Clear (VOID)
{
Data.Clear ();
Tagged = FALSE;
Area[0] = '\0';
LastRead = 0L;
OlderMsg = 0L;
}
USHORT TMsgTag::First (VOID)
{
USHORT RetVal = FALSE;
MSGTAGS *Buffer;
if ((Buffer = (MSGTAGS *)Data.First ()) != NULL) {
Tagged = Buffer->Tagged;
strcpy (Area, Buffer->Area);
LastRead = Buffer->LastRead;
OlderMsg = Buffer->OlderMsg;
RetVal = TRUE;
}
return (RetVal);
}
VOID TMsgTag::Load (VOID)
{
int fd, i, Count;
MSGTAGS *Buffer;
Data.Clear ();
if ((fd = sopen (DatFile, O_RDONLY|O_BINARY, SH_DENYNO, S_IREAD|S_IWRITE)) != -1) {
if ((Buffer = (MSGTAGS *)malloc (sizeof (MSGTAGS) * MSGTAGS_INDEX)) != NULL) {
do {
Count = read (fd, Buffer, sizeof (MSGTAGS) * MSGTAGS_INDEX) / sizeof (MSGTAGS);
for (i = 0; i < Count; i++) {
if (Buffer[i].Free == FALSE && Buffer[i].UserId == UserId)
Data.Add (&Buffer[i], sizeof (MSGTAGS));
}
} while (Count == MSGTAGS_INDEX);
free (Buffer);
}
close (fd);
}
if ((Buffer = (MSGTAGS *)Data.First ()) != NULL) {
Tagged = Buffer->Tagged;
strcpy (Area, Buffer->Area);
LastRead = Buffer->LastRead;
OlderMsg = Buffer->OlderMsg;
}
}
VOID TMsgTag::New (VOID)
{
Tagged = FALSE;
Area[0] = '\0';
LastRead = 0L;
OlderMsg = 0L;
}
USHORT TMsgTag::Next (VOID)
{
USHORT RetVal = FALSE;
MSGTAGS *Buffer;
if ((Buffer = (MSGTAGS *)Data.Next ()) != NULL) {
Tagged = Buffer->Tagged;
strcpy (Area, Buffer->Area);
LastRead = Buffer->LastRead;
OlderMsg = Buffer->OlderMsg;
RetVal = TRUE;
}
return (RetVal);
}
USHORT TMsgTag::Previous (VOID)
{
USHORT RetVal = FALSE;
MSGTAGS *Buffer;
if ((Buffer = (MSGTAGS *)Data.Previous ()) != NULL) {
Tagged = Buffer->Tagged;
strcpy (Area, Buffer->Area);
LastRead = Buffer->LastRead;
OlderMsg = Buffer->OlderMsg;
RetVal = TRUE;
}
return (RetVal);
}
USHORT TMsgTag::Read (PSZ pszArea)
{
USHORT RetVal = FALSE;
if (First () == TRUE)
do {
if (!stricmp (pszArea, Area)) {
RetVal = TRUE;
break;
}
} while (Next () == TRUE);
return (RetVal);
}
VOID TMsgTag::Save (VOID)
{
int fd, i, Count, Changed;
ULONG Position;
MSGTAGS *Buffer, *Record;
if ((fd = sopen (DatFile, O_RDWR|O_BINARY|O_CREAT, SH_DENYNO, S_IREAD|S_IWRITE)) != -1) {
Record = (MSGTAGS *)Data.First ();
if ((Buffer = (MSGTAGS *)malloc (sizeof (MSGTAGS) * MSGTAGS_INDEX)) != NULL) {
do {
Changed = FALSE;
Position = tell (fd);
Count = read (fd, Buffer, sizeof (MSGTAGS) * MSGTAGS_INDEX) / sizeof (MSGTAGS);
for (i = 0; i < Count && Record != NULL; i++) {
if (Buffer[i].UserId == Record->UserId || Buffer[i].Free == TRUE) {
memcpy (&Buffer[i], Record, sizeof (MSGTAGS));
Buffer[i].Free = FALSE;
Record = (MSGTAGS *)Data.Next ();
Changed = TRUE;
}
}
for (; i < Count; i++) {
if (Buffer[i].UserId == UserId) {
memset (&Buffer[i], 0, sizeof (MSGTAGS));
Buffer[i].Free = TRUE;
Changed = TRUE;
}
}
if (Changed == TRUE) {
lseek (fd, Position, SEEK_SET);
write (fd, Buffer, sizeof (MSGTAGS) * Count);
}
} while (Count == MSGTAGS_INDEX);
free (Buffer);
}
if (Record != NULL) {
do {
write (fd, Record, sizeof (MSGTAGS));
} while ((Record = (MSGTAGS *)Data.Next ()) != NULL);
}
close (fd);
}
}
VOID TMsgTag::Update (VOID)
{
MSGTAGS Buffer;
if (Data.Value () != NULL) {
memcpy (&Buffer, Data.Value (), sizeof (MSGTAGS));
Buffer.Tagged = Tagged;
strcpy (Buffer.Area, Area);
Buffer.LastRead = LastRead;
Buffer.OlderMsg = OlderMsg;
memcpy (Data.Value (), &Buffer, sizeof (MSGTAGS));
}
}
// --------------------------------------------------------------------------
TFileTag::TFileTag (void)
{
TotalFiles = 0;
TotalBytes = 0L;
Data.Clear ();
strcpy (DatFile, "filetags.dat");
New ();
}
TFileTag::TFileTag (PSZ pszUserFile)
{
CHAR *p;
TotalFiles = 0;
TotalBytes = 0L;
Data.Clear ();
strcpy (DatFile, pszUserFile);
New ();
p = &DatFile[strlen (DatFile)];
while (*p != '\\' && *p != '/' && *p != ':' && p > DatFile)
p--;
if (*p == '\\' || *p == '/')
p++;
strcpy (p, "filetags.dat");
}
TFileTag::~TFileTag (void)
{
Data.Clear ();
}
USHORT TFileTag::Add (VOID)
{
USHORT RetVal = FALSE;
FILETAGS Buffer;
memset (&Buffer, 0, sizeof (FILETAGS));
Buffer.Free = FALSE;
Buffer.UserId = UserId;
strcpy (Buffer.Area, Area);
strcpy (Buffer.Name, Name);
strcpy (Buffer.Complete, Complete);
Buffer.Size = Size;
Buffer.DeleteAfter = DeleteAfter;
Buffer.CdRom = CdRom;
Buffer.Index = Index = (USHORT)(Data.Elements + 1);
if ((RetVal = Data.Add (&Buffer, sizeof (FILETAGS))) == TRUE) {
TotalFiles++;
TotalBytes += Size;
}
return (RetVal);
}
VOID TFileTag::Change (PSZ pszOldName, PSZ pszNewName)
{
int fd, i, Count, Changed;
ULONG Position;
FILETAGS *Buffer;
if ((fd = sopen (DatFile, O_RDWR|O_BINARY|O_CREAT, SH_DENYNO, S_IREAD|S_IWRITE)) != -1) {
if ((Buffer = (FILETAGS *)malloc (sizeof (FILETAGS) * FILETAGS_INDEX)) != NULL) {
do {
Changed = FALSE;
Position = tell (fd);
Count = read (fd, Buffer, sizeof (FILETAGS) * FILETAGS_INDEX) / sizeof (FILETAGS);
for (i = 0; i < Count; i++) {
if (Buffer[i].Free == FALSE && !stricmp (Buffer[i].Area, pszOldName)) {
strcpy (Buffer[i].Area, pszNewName);
Changed = TRUE;
}
}
if (Changed == TRUE) {
lseek (fd, Position, SEEK_SET);
write (fd, Buffer, sizeof (FILETAGS) * Count);
}
} while (Count == FILETAGS_INDEX);
free (Buffer);
}
close (fd);
}
}
VOID TFileTag::Change (ULONG OldId, ULONG NewId)
{
int fd, i, Count, Changed;
ULONG Position;
FILETAGS *Buffer;
if ((fd = sopen (DatFile, O_RDWR|O_BINARY|O_CREAT, SH_DENYNO, S_IREAD|S_IWRITE)) != -1) {
if ((Buffer = (FILETAGS *)malloc (sizeof (FILETAGS) * FILETAGS_INDEX)) != NULL) {
do {
Changed = FALSE;
Position = tell (fd);
Count = read (fd, Buffer, sizeof (FILETAGS) * FILETAGS_INDEX) / sizeof (FILETAGS);
for (i = 0; i < Count; i++) {
if (Buffer[i].Free == FALSE && Buffer[i].UserId == OldId) {
Buffer[i].UserId = NewId;
Changed = TRUE;
}
}
if (Changed == TRUE) {
lseek (fd, Position, SEEK_SET);
write (fd, Buffer, sizeof (FILETAGS) * Count);
}
} while (Count == FILETAGS_INDEX);
free (Buffer);
}
close (fd);
}
}
USHORT TFileTag::Check (PSZ pszName)
{
USHORT RetVal = FALSE;
FILETAGS *ft;
if ((ft = (FILETAGS *)Data.First ()) != NULL)
do {
if (!stricmp (ft->Name, pszName)) {
strcpy (Area, ft->Area);
strcpy (Name, ft->Name);
strcpy (Complete, ft->Complete);
Size = ft->Size;
DeleteAfter = ft->DeleteAfter;
CdRom = ft->CdRom;
Index = ft->Index;
RetVal = TRUE;
}
} while (RetVal == FALSE && (ft = (FILETAGS *)Data.Next ()) != NULL);
return (RetVal);
}
VOID TFileTag::Clear (VOID)
{
Data.Clear ();
New ();
Index = 0;
TotalFiles = 0;
}
USHORT TFileTag::First (VOID)
{
USHORT RetVal = FALSE;
FILETAGS *Buffer;
if ((Buffer = (FILETAGS *)Data.First ()) != NULL) {
strcpy (Area, Buffer->Area);
strcpy (Name, Buffer->Name);
strcpy (Complete, Buffer->Complete);
Size = Buffer->Size;
DeleteAfter = Buffer->DeleteAfter;
CdRom = Buffer->CdRom;
Index = Buffer->Index;
RetVal = TRUE;
}
return (RetVal);
}
VOID TFileTag::Load (VOID)
{
int fd, i, Count;
FILETAGS *Buffer;
Data.Clear ();
if ((fd = sopen (DatFile, O_RDONLY|O_BINARY, SH_DENYNO, S_IREAD|S_IWRITE)) != -1) {
if ((Buffer = (FILETAGS *)malloc (sizeof (FILETAGS) * FILETAGS_INDEX)) != NULL) {
do {
Count = read (fd, Buffer, sizeof (FILETAGS) * FILETAGS_INDEX) / sizeof (FILETAGS);
for (i = 0; i < Count; i++) {
if (Buffer[i].Free == FALSE && Buffer[i].UserId == UserId) {
Buffer[i].Index = Index = (USHORT)(Data.Elements + 1);
if (Data.Add (&Buffer[i], sizeof (FILETAGS)) == TRUE) {
TotalFiles++;
TotalBytes += Buffer[i].Size;
}
}
}
} while (Count == FILETAGS_INDEX);
free (Buffer);
}
close (fd);
}
if ((Buffer = (FILETAGS *)Data.First ()) != NULL) {
strcpy (Area, Buffer->Area);
strcpy (Name, Buffer->Name);
strcpy (Complete, Buffer->Complete);
Size = Buffer->Size;
DeleteAfter = Buffer->DeleteAfter;
CdRom = Buffer->CdRom;
Index = Buffer->Index;
}
}
VOID TFileTag::New (VOID)
{
Area[0] = '\0';
Name[0] = '\0';
Complete[0] = '\0';
Size = 0L;
CdRom = DeleteAfter = FALSE;
Index = (USHORT)(Data.Elements + 1);
}
USHORT TFileTag::Next (VOID)
{
USHORT RetVal = FALSE;
FILETAGS *Buffer;
if ((Buffer = (FILETAGS *)Data.Next ()) != NULL) {
strcpy (Area, Buffer->Area);
strcpy (Name, Buffer->Name);
strcpy (Complete, Buffer->Complete);
Size = Buffer->Size;
DeleteAfter = Buffer->DeleteAfter;
CdRom = Buffer->CdRom;
Index = Buffer->Index;
RetVal = TRUE;
}
return (RetVal);
}
USHORT TFileTag::Previous (VOID)
{
USHORT RetVal = FALSE;
FILETAGS *Buffer;
if ((Buffer = (FILETAGS *)Data.Previous ()) != NULL) {
strcpy (Area, Buffer->Area);
strcpy (Name, Buffer->Name);
strcpy (Complete, Buffer->Complete);
Size = Buffer->Size;
DeleteAfter = Buffer->DeleteAfter;
CdRom = Buffer->CdRom;
Index = Buffer->Index;
RetVal = TRUE;
}
return (RetVal);
}
VOID TFileTag::Reindex (VOID)
{
USHORT LastIndex;
FILETAGS *ft;
LastIndex = 1;
if ((ft = (FILETAGS *)Data.First ()) != NULL)
do {
ft->Index = LastIndex++;
} while ((ft = (FILETAGS *)Data.Next ()) != NULL);
}
VOID TFileTag::Remove (PSZ pszName)
{
USHORT RetVal = FALSE;
FILETAGS *ft, *Buffer;
if (pszName != NULL) {
if ((ft = (FILETAGS *)Data.First ()) != NULL) {
do {
if (!stricmp (ft->Name, pszName))
RetVal = TRUE;
} while (RetVal == FALSE && (ft = (FILETAGS *)Data.Next ()) != NULL);
}
if (RetVal == TRUE) {
if (ft->DeleteAfter == TRUE)
unlink (ft->Complete);
Data.Remove ();
TotalFiles--;
TotalBytes -= ft->Size;
}
}
else {
if (DeleteAfter == TRUE)
unlink (Complete);
Data.Remove ();
TotalFiles--;
TotalBytes -= Size;
}
if ((Buffer = (FILETAGS *)Data.Value ()) != NULL) {
strcpy (Area, Buffer->Area);
strcpy (Name, Buffer->Name);
strcpy (Complete, Buffer->Complete);
Size = Buffer->Size;
DeleteAfter = Buffer->DeleteAfter;
CdRom = Buffer->CdRom;
Index = Buffer->Index;
}
}
USHORT TFileTag::Select (USHORT usIndex)
{
USHORT RetVal = FALSE;
FILETAGS *ft;
if ((ft = (FILETAGS *)Data.First ()) != NULL)
do {
if (ft->Index == usIndex) {
strcpy (Area, ft->Area);
strcpy (Name, ft->Name);
strcpy (Complete, ft->Complete);
Size = ft->Size;
DeleteAfter = ft->DeleteAfter;
CdRom = ft->CdRom;
Index = ft->Index;
RetVal = TRUE;
}
} while (RetVal == FALSE && (ft = (FILETAGS *)Data.Next ()) != NULL);
return (RetVal);
}
VOID TFileTag::Save (VOID)
{
int fd, i, Count, Changed;
ULONG Position;
FILETAGS *Buffer, *Record;
if ((fd = sopen (DatFile, O_RDWR|O_BINARY|O_CREAT, SH_DENYNO, S_IREAD|S_IWRITE)) != -1) {
Record = (FILETAGS *)Data.First ();
if ((Buffer = (FILETAGS *)malloc (sizeof (FILETAGS) * FILETAGS_INDEX)) != NULL) {
do {
Changed = FALSE;
Position = tell (fd);
Count = read (fd, Buffer, sizeof (FILETAGS) * FILETAGS_INDEX) / sizeof (FILETAGS);
for (i = 0; i < Count && Record != NULL; i++) {
if (Buffer[i].UserId == Record->UserId || Buffer[i].Free == TRUE) {
memcpy (&Buffer[i], Record, sizeof (FILETAGS));
Record = (FILETAGS *)Data.Next ();
Changed = TRUE;
}
}
for (; i < Count; i++) {
if (Buffer[i].UserId == UserId) {
memset (&Buffer[i], 0, sizeof (FILETAGS));
Buffer[i].Free = TRUE;
Changed = TRUE;
}
}
if (Changed == TRUE) {
lseek (fd, Position, SEEK_SET);
write (fd, Buffer, sizeof (FILETAGS) * Count);
}
} while (Count == FILETAGS_INDEX);
free (Buffer);
}
if (Record != NULL) {
do {
write (fd, Record, sizeof (FILETAGS));
} while ((Record = (FILETAGS *)Data.Next ()) != NULL);
}
close (fd);
}
}
VOID TFileTag::Update (VOID)
{
FILETAGS *Buffer;
if ((Buffer = (FILETAGS *)Data.Value ()) != NULL) {
TotalBytes -= Buffer->Size;
strcpy (Buffer->Area, Area);
strcpy (Buffer->Name, Name);
strcpy (Buffer->Complete, Complete);
Buffer->Size = Size;
Buffer->DeleteAfter = DeleteAfter;
Buffer->CdRom = CdRom;
TotalBytes += Size;
}
}