/********************************************************************
StrAllocPrefix - allocates or reuses dynamic string memory and
prefixes a string
NOTE: caller is responsible for freeing ppwz even if function fails
NOTE: cchPrefix does not have to equal the length of wzPrefix
NOTE: if cchPrefix == 0, length of wzPrefix is used instead
********************************************************************/
extern "C" HRESULT DAPI StrAllocPrefix(
__inout LPWSTR* ppwz,
__in LPCWSTR wzPrefix,
__in DWORD_PTR cchPrefix
)
{
Assert(ppwz && wzPrefix);
HRESULT hr = S_OK;
DWORD_PTR cch = 0;
DWORD_PTR cchLen = 0;
if (*ppwz)
{
cch = MemSize(*ppwz); // get the count in bytes so we can check if it failed (returns -1)
if (-1 == cch)
ExitOnFailure(hr = E_INVALIDARG, "failed to get size of destination string");
cch /= sizeof(WCHAR); //convert the count in bytes to count in characters
StringCchLengthW(*ppwz, STRSAFE_MAX_CCH, reinterpret_cast<UINT_PTR*>(&cchLen));
}
Assert(cchLen <= cch);
if (0 == cchPrefix)
{
StringCchLengthW(wzPrefix, STRSAFE_MAX_CCH, reinterpret_cast<UINT_PTR*>(&cchPrefix));
}
if (cch - cchLen < cchPrefix + 1)
{
cch = cchPrefix + cchLen + 1;
hr = StrAlloc(ppwz, cch);
ExitOnFailure1(hr, "failed to allocate string from string: %S", wzPrefix);
}
if (*ppwz)
{
DWORD_PTR cb = cch * sizeof(WCHAR);
DWORD_PTR cbPrefix = cchPrefix * sizeof(WCHAR);
memmove(*ppwz + cchPrefix, *ppwz, cb - cbPrefix);
memcpy(*ppwz, wzPrefix, cbPrefix);
}
else
{
ExitOnFailure(hr = E_UNEXPECTED, "for some reason our buffer is still null");
}
LExit:
return hr;
}
/********************************************************************
StrSize - returns count of bytes in dynamic string p
********************************************************************/
extern "C" HRESULT DAPI StrSize(
__in LPVOID p,
__out DWORD_PTR* pcb
)
{
Assert(p && pcb);
HRESULT hr = S_OK;
*pcb = MemSize(p);
if (-1 == *pcb)
{
hr = E_FAIL;
}
return hr;
}
/********************************************************************
StrAllocConcat - allocates or reuses dynamic string memory and adds an existing string
NOTE: caller is responsible for freeing ppwz even if function fails
NOTE: cchSource does not have to equal the length of wzSource
NOTE: if cchSource == 0, length of wzSource is used instead
********************************************************************/
extern "C" HRESULT DAPI StrAllocConcat(
__inout LPWSTR* ppwz,
__in LPCWSTR wzSource,
__in DWORD_PTR cchSource
)
{
Assert(ppwz && wzSource); // && *wzSource);
HRESULT hr = S_OK;
DWORD_PTR cch = 0;
DWORD_PTR cchLen = 0;
if (*ppwz)
{
cch = MemSize(*ppwz); // get the count in bytes so we can check if it failed (returns -1)
if (-1 == cch)
ExitOnFailure(hr = E_INVALIDARG, "failed to get size of destination string");
cch /= sizeof(WCHAR); //convert the count in bytes to count in characters
StringCchLengthW(*ppwz, STRSAFE_MAX_CCH, reinterpret_cast<UINT_PTR*>(&cchLen));
}
Assert(cchLen <= cch);
if (0 == cchSource)
StringCchLengthW(wzSource, STRSAFE_MAX_CCH, reinterpret_cast<UINT_PTR*>(&cchSource));
if (cch - cchLen < cchSource + 1)
{
cch = (cchSource + cchLen + 1) * 2;
hr = StrAlloc(ppwz, cch);
ExitOnFailure1(hr, "failed to allocate string from string: %S", wzSource);
}
if (*ppwz)
hr = StringCchCatNExW(*ppwz, cch, wzSource, cchSource, NULL, NULL, STRSAFE_FILL_BEHIND_NULL);
else
ExitOnFailure(hr = E_UNEXPECTED, "for some reason our buffer is still null");
LExit:
return hr;
}
/*
* doInitializeEditor - do just that
*/
static void doInitializeEditor( int argc, char *argv[] )
{
int i, arg, cnt, ocnt, startcnt = 0;
srcline sline;
int k, j;
char tmp[FILENAME_MAX], c[1];
char buff[MAX_STR], file[MAX_STR], **list;
char cmd[MAX_STR * 2];
char *parm;
char *startup[MAX_STARTUP];
char *startup_parms[MAX_STARTUP];
vi_rc rc;
vi_rc rc1;
/*
* Make sure WATCOM is setup and if it is not, make a best guess.
*/
watcom_setup_env();
/*
* If EDPATH is not set, use system default %WATCOM%\EDDAT.
*/
if( getenv( "EDPATH" ) == NULL ) {
char *watcom;
watcom = getenv( "WATCOM" );
if( watcom != NULL ) {
char edpath[FILENAME_MAX];
sprintf( edpath, "%s%c%s", watcom, FILE_SEP, "eddat" );
if( setenv( "EDPATH", edpath, 0 ) != 0 ) {
/*
* Bail out silently on error, as we will get error message later on.
*/
}
}
}
/*
* misc. set up
*/
MaxMemFree = MemSize();
StaticStart();
FTSInit();
BoundDataInit();
EditFlags.Starting = true;
InitCommandLine();
ChkExtendedKbd();
SSInitBeforeConfig();
GetCWD1( &HomeDirectory );
GetCWD1( &CurrentDirectory );
SetCWD( HomeDirectory );
if( cfgFN == NULL ){
cfgFN = DupString( CFG_NAME );
}
checkFlags( &argc, argv, startup, startup_parms, &startcnt );
ScreenInit();
SetWindowSizes();
EditFlags.ClockActive = false;
SetInterrupts();
#ifdef __WIN__
InitClrPick();
InitFtPick();
SubclassGenericInit();
CursorOp( COP_INIT );
#else
InitColors();
#endif
InitSavebufs();
InitKeyMaps();
/*
* initial configuration
*/
EditVars.Majick = MemStrDup( "()~@" );
EditVars.FileEndString = MemStrDup( "[END_OF_FILE]" );
MatchInit();
SetGadgetString( NULL );
WorkLine = MemAlloc( sizeof( line ) + EditVars.MaxLine + 2 );
WorkLine->len = -1;
sline = 0;
if( cfgFN[0] != 0 ) {
c[0] = 0;
rc = Source( cfgFN, c, &sline );
if( rc == ERR_FILE_NOT_FOUND ) {
#ifdef __WIN__
CloseStartupDialog();
MessageBox( (HWND)NULLHANDLE, "Could not locate configuration information; please make sure your EDPATH environment variable is set correctly",
EditorName, MB_OK );
ExitEditor( -1 );
#else
rc = ERR_NO_ERR;
#endif
}
} else {
rc = ERR_NO_ERR;
}
if( wantNoReadEntireFile ) {
EditFlags.ReadEntireFile = false;
}
VerifyTmpDir();
while( LostFileCheck() );
HookScriptCheck();
if( EditFlags.Quiet ) {
EditFlags.Spinning = false;
EditFlags.Clock = false;
}
ExtendedMemoryInit();
/*
* more misc. setup
*/
if( EditVars.WordDefn == NULL ) {
EditVars.WordDefn = DupString( &WordDefnDefault[6] );
InitWordSearch( EditVars.WordDefn );
}
if( EditVars.WordAltDefn == NULL ) {
EditVars.WordAltDefn = DupString( WordDefnDefault );
}
if( EditVars.TagFileName == NULL ) {
EditVars.TagFileName = DupString( "tags" );
}
DotBuffer = MemAlloc( (maxdotbuffer + 2) * sizeof( vi_key ) );
AltDotBuffer = MemAlloc( (maxdotbuffer + 2) * sizeof( vi_key ) );
DotCmd = MemAlloc( (maxdotbuffer + 2) * sizeof( vi_key ) );
SwapBlockInit( EditVars.MaxSwapBlocks );
ReadBuffer = MemAlloc( MAX_IO_BUFFER + 6 );
WriteBuffer = MemAlloc( MAX_IO_BUFFER + 6 );
FindHistInit( EditVars.FindHist.max );
FilterHistInit( EditVars.FilterHist.max );
CLHistInit( EditVars.CLHist.max );
LastFilesHistInit( EditVars.LastFilesHist.max );
GetClockStart();
GetSpinStart();
SelRgnInit();
SSInitAfterConfig();
#if defined( VI_RCS )
ViRCSInit();
#endif
/*
* create windows
*/
StartWindows();
InitMouse();
rc1 = NewMessageWindow();
if( rc1 != ERR_NO_ERR ) {
FatalError( rc1 );
}
DoVersion();
rc1 = InitMenu();
if( rc1 != ERR_NO_ERR ) {
FatalError( rc1 );
}
EditFlags.SpinningOurWheels = true;
EditFlags.ClockActive = true;
EditFlags.DisplayHold = true;
rc1 = NewStatusWindow();
if( rc1 != ERR_NO_ERR ) {
FatalError( rc1 );
}
EditFlags.DisplayHold = false;
MaxMemFreeAfterInit = MemSize();
/*
* look for a tag: if there is one, set it up as the file to start
*/
EditFlags.WatchForBreak = true;
if( cTag != NULL && !EditFlags.NoInitialFileLoad ) {
#if defined( __NT__ ) && !defined( __WIN__ )
{
if( !EditFlags.Quiet ) {
SetConsoleActiveScreenBuffer( OutputHandle );
}
}
#endif
rc1 = LocateTag( cTag, file, buff );
cFN = file;
if( rc1 != ERR_NO_ERR ) {
if( rc1 == ERR_TAG_NOT_FOUND ) {
Error( GetErrorMsg( rc1 ), cTag );
ExitEditor( 0 );
}
FatalError( rc1 );
}
}
/*
* start specified file(s)
*/
cmd[0] = 'e';
cmd[1] = 0;
arg = argc - 1;
k = 1;
while( !EditFlags.NoInitialFileLoad ) {
if( cFN == nullFN && !EditFlags.UseNoName ) {
break;
}
#ifdef __NT__
{
int k2;
int arg2;
char path[_MAX_PATH];
int found;
int fd;
size_t len;
size_t len1;
char *p;
/*
* check for the existence of a file name containing spaces, and open it if
* there is one
*/
len = _MAX_PATH - 1;
found = 0;
p = path;
arg2 = arg;
for( k2 = k; argv[k2] != NULL; ) {
len1 = strlen( argv[k2] );
if( len1 > len )
break;
memcpy( p, argv[k2], len1 );
p += len1;
*p = '\0';
len -= len1;
--arg2;
++k2;
fd = open( path, O_RDONLY );
if( fd != -1 ) {
close( fd );
k = k2;
arg = arg2;
found = 1;
break;
}
*p++ = ' ';
}
if( found ) {
#ifndef __UNIX__
len1 = strlen( path );
if( path[len1 - 1] == '.' )
path[len1 - 1] = '\0';
#endif
rc1 = NewFile( path, false );
if( rc1 != ERR_NO_ERR ) {
FatalError( rc1 );
}
cFN = argv[k];
if( arg < 1 ) {
break;
}
continue;
}
}
#endif
strcat( cmd, SingleBlank );
strcat( cmd, cFN );
ocnt = cnt = ExpandFileNames( cFN, &list );
if( cnt == 0 ) {
cnt = 1;
} else {
cFN = list[0];
}
for( j = 0; j < cnt; j++ ) {
rc1 = NewFile( cFN, false );
if( rc1 != ERR_NO_ERR && rc1 != NEW_FILE ) {
FatalError( rc1 );
}
if( EditFlags.BreakPressed ) {
break;
}
if( cnt > 0 && j < cnt - 1 ) {
cFN = list[j + 1];
}
}
if( ocnt > 0 ) {
MemFreeList( ocnt, list );
}
if( EditFlags.BreakPressed ) {
ClearBreak();
break;
}
k++;
arg--;
if( cTag != NULL || arg < 1 ) {
break;
}
cFN = argv[k];
}
if( EditFlags.StdIOMode ) {
rc1 = NewFile( "stdio", false );
if( rc1 != ERR_NO_ERR ) {
FatalError( rc1 );
}
}
EditFlags.WatchForBreak = false;
EditFlags.Starting = false;
/*
* if there was a tag, do the appropriate search
*/
if( cTag != NULL && !EditFlags.NoInitialFileLoad ) {
if( buff[0] != '/' ) {
i = atoi( buff );
rc1 = GoToLineNoRelCurs( i );
} else {
rc1 = FindTag( buff );
}
if( rc1 > 0 ) {
Error( GetErrorMsg( rc1 ) );
}
}
/*
* try to run startup file
*/
if( EditFlags.RecoverLostFiles ) {
startcnt = 0;
}
for( i = 0; i < startcnt; i++ ) {
GetFromEnv( startup[i], tmp );
ReplaceString( &cfgFN, tmp );
if( cfgFN[0] != 0 ) {
if( startup_parms[i] != NULL ) {
parm = startup_parms[i];
} else {
c[0] = 0;
parm = c;
}
#if defined( __NT__ ) && !defined( __WIN__ )
{
if( !EditFlags.Quiet ) {
SetConsoleActiveScreenBuffer( OutputHandle );
}
}
#endif
sline = 0;
rc = Source( cfgFN, parm, &sline );
}
}
if( rc > ERR_NO_ERR ) {
Error( "%s on line %u of \"%s\"", GetErrorMsg( rc ), sline, cfgFN );
}
if( argc == 1 ) {
LoadHistory( NULL );
} else {
LoadHistory( cmd );
}
if( EditVars.GrepDefault == NULL ) {
EditVars.GrepDefault = DupString( "*.(c|h)" );
}
if( goCmd[0] != 0 ) {
KeyAddString( goCmd );
}
if( keysToPush != NULL ) {
KeyAddString( keysToPush );
}
#ifdef __WIN__
if( lineToGoTo != 0 ) {
SetCurrentLine( lineToGoTo );
NewCursor( CurrentWindow, EditVars.NormalCursorType );
}
#endif
AutoSaveInit();
HalfPageLines = WindowAuxInfo( CurrentWindow, WIND_INFO_TEXT_LINES ) / 2 - 1;
#if defined( _M_X64 )
VarAddGlobalStr( "OSX64", "1" );
#elif defined( _M_IX86 ) && !defined( _M_I86 )
VarAddGlobalStr( "OS386", "1" );
#endif
if( EditVars.StatusString == NULL ) {
EditVars.StatusString = DupString( "L:$6L$nC:$6C" );
}
UpdateStatusWindow();
#ifdef __WIN__
if( CurrentInfo == NULL ) {
// no file loaded - screen is disconcertenly empty - reassure
DisplayFileStatus();
}
#endif
NewCursor( CurrentWindow, EditVars.NormalCursorType );
#if defined( __NT__ ) && !defined( __WIN__ )
{
SetConsoleActiveScreenBuffer( OutputHandle );
}
#endif
} /* doInitializeEditor */
/********************************************************************
StrAllocStringAnsi - allocates or reuses dynamic string memory and copies in an existing ANSI string
NOTE: caller is responsible for freeing ppwz even if function fails
NOTE: cchSource must equal the length of wzSource (not including the NULL terminator)
NOTE: if cchSource == 0, length of wzSource is used instead
********************************************************************/
extern "C" HRESULT DAPI StrAllocStringAnsi(
__inout LPWSTR* ppwz,
__in LPCSTR szSource,
__in DWORD_PTR cchSource,
__in UINT uiCodepage
)
{
Assert(ppwz && szSource);
HRESULT hr = S_OK;
LPWSTR pwz = NULL;
DWORD_PTR cch = 0;
DWORD_PTR cchDest = cchSource; // at least enough
if (*ppwz)
{
cch = MemSize(*ppwz); // get the count in bytes so we can check if it failed (returns -1)
if (-1 == cch)
{
ExitOnFailure(hr = E_INVALIDARG, "failed to get size of destination string");
}
cch /= sizeof(WCHAR); //convert the count in bytes to count in characters
}
if (0 == cchSource)
{
cchDest = ::MultiByteToWideChar(uiCodepage, 0, szSource, -1, NULL, 0);
if (0 == cchDest)
{
ExitWithLastError1(hr, "failed to get required size for conversion to unicode: %s", szSource);
}
--cchDest; //subtract one because MultiByteToWideChar includes space for the NULL terminator that we track below
}
else if (L'\0' == szSource[cchSource]) // if the source already had a null terminator, don't count that in the character count because we track it below
{
cchDest = cchSource - 1;
}
if (cch < cchDest + 1)
{
cch = cchDest + 1;
if (cch >= MAXDWORD / sizeof(WCHAR))
{
ExitOnFailure1(hr = E_OUTOFMEMORY, "Not enough memory to allocate string of size: %d", cch);
}
if (*ppwz)
{
pwz = static_cast<LPWSTR>(MemReAlloc(*ppwz, sizeof(WCHAR) * cch, TRUE));
}
else
{
pwz = static_cast<LPWSTR>(MemAlloc(sizeof(WCHAR) * cch, TRUE));
}
ExitOnNull1(pwz, hr, E_OUTOFMEMORY, "failed to allocate string, len: %d", cch);
*ppwz = pwz;
}
if (0 == ::MultiByteToWideChar(uiCodepage, 0, szSource, 0 == cchSource ? -1 : (int)cchSource, *ppwz, (int)cch))
{
ExitWithLastError1(hr, "failed to convert to unicode: %s", szSource);
}
(*ppwz)[cchDest] = L'\0';
LExit:
return hr;
}
