void* DLLCALL msgQueueRead(msg_queue_t* q, long timeout) { link_list_t* list = msgQueueReadList(q); list_wait(list,timeout); return listShiftNode(list); }
void* DLLCALL msgQueuePeek(msg_queue_t* q, long timeout) { link_list_t* list = msgQueueReadList(q); if(list_wait(list,timeout)) #if defined(LINK_LIST_THREADSAFE) listSemPost(list) /* Replace the semaphore we just cleared */ #endif ; return listNodeData(listFirstNode(list)); }
BOOL DLLCALL msgQueueWait(msg_queue_t* q, long timeout) { BOOL result; link_list_t* list = msgQueueReadList(q); if((result=list_wait(list,timeout))==TRUE) #if defined(LINK_LIST_THREADSAFE) listSemPost(list) /* Replace the semaphore we just cleared */ #endif ; return(result); }
static int _fastcall _list( LPTSTR pszFileName ) { register int c, i; TCHAR szDescription[512], szHeader[132], szLine[32]; long lTemp, lRow; POPWINDOWPTR wn = NULL; FILESEARCH dir; // get default normal and inverse attributes if ( gpIniptr->ListColor != 0 ) { SetScrColor( nScreenRows, nScreenColumns, gpIniptr->ListColor ); } // set colors GetAtt( (unsigned int *)&nNormal, (unsigned int *)&nInverse ); if ( gpIniptr->ListStatusColor != 0 ) nInverse = gpIniptr->ListStatusColor; // flip the first line to inverse video clear_header(); // open the file & initialize buffers if ( ListOpenFile( pszFileName )) return ERROR_EXIT; // kludge for empty files or pipes if ( LFile.lSize == 0L ) LFile.lSize = 1L; for ( ; ; ) { // display header if ( fDirtyHeader ) { clear_header(); sprintf( szHeader, LIST_HEADER, fname_part(LFile.szName), gchVerticalBar, gchVerticalBar, gchVerticalBar ); WriteStrAtt( 0, 0, nInverse, szHeader ); fDirtyHeader = 0; } // display location within file // (don't use color_printf() so we won't have // problems with windowed sessions) i = sprintf( szHeader, LIST_LINE, LFile.nListHorizOffset, LFile.lCurrentLine + gpIniptr->ListRowStart, (int)((( LFile.lViewPtr + 1 ) * 100 ) / LFile.lSize )); WriteStrAtt( 0, ( nScreenColumns - i ), nInverse, szHeader ); SetCurPos( 0, 0 ); if ( lListFlags & LIST_SEARCH ) { lListFlags &= ~LIST_SEARCH; fSearchFlags = 0; if ( lListFlags & LIST_REVERSE ) { c = LIST_FIND_CHAR_REVERSE; fSearchFlags |= FFIND_REVERSE_SEARCH; // goto the last row while ( ListMoveLine( 1 ) != 0 ) ; } else c = LIST_FIND_CHAR; if ( lListFlags & LIST_NOWILDCARDS ) fSearchFlags |= FFIND_NOWILDCARDS; bListSkipLine = 0; goto FindNext; } // get the key from the BIOS, because // STDIN might be redirected if ((( c = cvtkey( GetKeystroke( EDIT_NO_ECHO | EDIT_BIOS_KEY | EDIT_UC_SHIFT), MAP_GEN | MAP_LIST)) == (TCHAR)ESC )) break; switch ( c ) { case CTRLC: return CTRLC; case CUR_LEFT: case CTL_LEFT: if (( lListFlags & LIST_WRAP ) || ( LFile.nListHorizOffset == 0 )) goto bad_key; if (( LFile.nListHorizOffset -= (( c == CUR_LEFT ) ? 8 : 40 )) < 0 ) LFile.nListHorizOffset = 0; break; case CUR_RIGHT: case CTL_RIGHT: if (( lListFlags & LIST_WRAP ) || ( LFile.nListHorizOffset >= MAXLISTLINE + 1 )) goto bad_key; if ((LFile.nListHorizOffset += ((c == CUR_RIGHT) ? 8 : 40 )) > MAXLISTLINE + 1 ) LFile.nListHorizOffset = MAXLISTLINE+1; break; case CUR_UP: if ( ListMoveLine( -1 ) == 0 ) goto bad_key; Scroll(1, 0, nScreenRows, nScreenColumns, -1, nNormal); DisplayLine( 1, LFile.lViewPtr ); continue; case CUR_DOWN: if ( ListMoveLine( 1 ) == 0 ) goto bad_key; Scroll( 1, 0, nScreenRows, nScreenColumns, 1, nNormal ); // display last line lTemp = LFile.lViewPtr; lRow = (nScreenRows - 1); lTemp += MoveViewPtr( lTemp, &lRow ); if ( lRow == ( nScreenRows - 1 )) DisplayLine( nScreenRows, lTemp ); continue; case HOME: ListHome(); break; case END: // goto the last row list_wait( LIST_WAIT ); while ( ListMoveLine( 1 ) != 0 ) ; case PgUp: // already at TOF? if ( LFile.lViewPtr == 0L ) goto bad_key; for ( i = 1; (( i < nScreenRows ) && ( ListMoveLine( -1 ) != 0 )); i++ ) ; break; case PgDn: case SPACE: if ( ListMoveLine( nScreenRows - 1 ) == 0 ) goto bad_key; break; case F1: // help // don't allow a ^X exit from HELP _help( gpInternalName, HELP_NX ); continue; case TAB: // change tab size // disable ^C / ^BREAK handling HoldSignals(); wn = wOpen( 2, 5, 4, strlen( LIST_TABSIZE ) + 10, nInverse, LIST_TABSIZE_TITLE, NULL ); wn->nAttrib = nNormal; wClear(); wWriteListStr( 0, 1, wn, LIST_TABSIZE ); egets( szLine, 2, (EDIT_DIALOG | EDIT_BIOS_KEY | EDIT_NO_CRLF | EDIT_DIGITS)); wRemove( wn ); if (( i = atoi( szLine )) > 0 ) TABSIZE = i; // enable ^C / ^BREAK handling EnableSignals(); break; case DEL: // delete this file if (( lListFlags & LIST_STDIN ) == 0 ) { // disable ^C / ^BREAK handling HoldSignals(); wn = wOpen( 2, 5, 4, strlen( LIST_DELETE ) + 10, nInverse, LIST_DELETE_TITLE, NULL ); wn->nAttrib = nNormal; wClear(); wWriteListStr( 0, 1, wn, LIST_DELETE ); i = GetKeystroke( EDIT_ECHO | EDIT_BIOS_KEY | EDIT_UC_SHIFT ); wRemove( wn ); // enable ^C / ^BREAK handling EnableSignals(); if ( i == (TCHAR)YES_CHAR ) { if ( LFile.hHandle > 0 ) _close( LFile.hHandle ); LFile.hHandle = -1; remove( pszFileName ); return 0; } } break; case INS: // save to a file ListSaveFile(); break; case LIST_INFO_CHAR: { unsigned int uSize = 1024; TCHAR _far *lpszText, _far *lpszArg; int fFSType, fSFN = 1; TCHAR szBuf[16]; DOSFILEDATE laDir, crDir; // disable ^C / ^BREAK handling HoldSignals(); memset( &dir, '\0', sizeof(FILESEARCH) ); if (( lListFlags & LIST_STDIN ) == 0 ) { if ( find_file( FIND_FIRST, LFile.szName, 0x07 | FIND_CLOSE | FIND_EXACTLY, &dir, NULL ) == NULL ) { honk(); continue; } } // display info on the current file i = (( lListFlags & LIST_STDIN ) ? 5 : 10 ); if (( fFSType = ifs_type( LFile.szName )) != FAT ) i = 11; wn = wOpen( 2, 1, i, 77, nInverse, gpInternalName, NULL ); wn->nAttrib = nNormal; wClear(); i = 0; if ( lListFlags & LIST_STDIN ) wWriteStrAtt( 0, 1, nNormal, LIST_INFO_PIPE ); else { szDescription[0] = _TEXT('\0'); process_descriptions( LFile.szName, szDescription, DESCRIPTION_READ ); lpszText = lpszArg = (TCHAR _far *)AllocMem( &uSize ); strcpy(szBuf, FormatDate( dir.fd.file_date.months, dir.fd.file_date.days, dir.fd.file_date.years + 80, 0 )); if (fFSType != FAT) { FileTimeToDOSTime( &(dir.ftLastAccessTime), &( laDir.ft.wr_time), &( laDir.fd.wr_date) ); FileTimeToDOSTime( &(dir.ftCreationTime), &(crDir.ft.wr_time), &(crDir.fd.wr_date) ); strcpy( szLine, FormatDate( laDir.fd.file_date.months, laDir.fd.file_date.days, laDir.fd.file_date.years + 80, 0 )); sprintf_far( lpszText, LIST_INFO_LFN, LFile.szName, szDescription, dir.ulSize, szBuf, dir.ft.file_time.hours, gaCountryInfo.szTimeSeparator[0],dir.ft.file_time.minutes, szLine, laDir.ft.file_time.hours, gaCountryInfo.szTimeSeparator[0], laDir.ft.file_time.minutes, FormatDate( crDir.fd.file_date.months, crDir.fd.file_date.days, crDir.fd.file_date.years + 80, 0 ), crDir.ft.file_time.hours, gaCountryInfo.szTimeSeparator[0], crDir.ft.file_time.minutes); } else { sprintf_far( lpszText, LIST_INFO_FAT, LFile.szName, szDescription, dir.ulSize, szBuf, dir.ft.file_time.hours, gaCountryInfo.szTimeSeparator[0],dir.ft.file_time.minutes ); } // print the text for ( ; ( *lpszArg != _TEXT('\0') ); i++ ) { sscanf_far( lpszArg, _TEXT("%[^\n]%*c%n"), szHeader, &uSize ); // allow for long filenames ... if (( i == 0 ) && ( strlen( szHeader ) > 73 )) { c = szHeader[73]; szHeader[73] = _TEXT('\0'); wWriteStrAtt( i++, 1, nNormal, szHeader ); szHeader[73] = (TCHAR)c; wWriteStrAtt( i, 15, nNormal, szHeader+73 ); fSFN = 0; } else wWriteStrAtt( i, 1, nNormal, szHeader ); lpszArg += uSize; } FreeMem( lpszText ); } wWriteListStr( i+fSFN, 1, wn, PAUSE_PROMPT ); GetKeystroke( EDIT_NO_ECHO | EDIT_BIOS_KEY ); wRemove( wn ); // enable ^C / ^BREAK handling EnableSignals(); continue; } case LIST_GOTO_CHAR: // goto the specified line / hex offset // disable ^C / ^BREAK handling HoldSignals(); wn = wOpen( 2, 5, 4, strlen( LIST_GOTO_OFFSET ) + 20, nInverse, LIST_GOTO_TITLE, NULL ); wn->nAttrib = nNormal; wClear(); wWriteListStr( 0, 1, wn, (( lListFlags & LIST_HEX) ? LIST_GOTO_OFFSET : LIST_GOTO)); i = egets( szLine, 10, (EDIT_DIALOG | EDIT_BIOS_KEY | EDIT_NO_CRLF)); wRemove( wn ); // enable ^C / ^BREAK handling EnableSignals(); if ( i == 0 ) break; list_wait( LIST_WAIT ); // if in hex mode, jump to offset if ( lListFlags & LIST_HEX ) { strupr( szLine ); sscanf( szLine, _TEXT("%lx"), &lRow ); lRow = lRow / 0x10; } else if ( sscanf( szLine, FMT_LONG, &lRow ) == 0 ) continue; lRow -= gpIniptr->ListRowStart; if ( lRow >= 0 ) { LFile.lViewPtr = MoveViewPtr( 0L, &lRow ); LFile.lCurrentLine = lRow; } else { LFile.lViewPtr += MoveViewPtr( LFile.lViewPtr, &lRow ); LFile.lCurrentLine += lRow; } break; case LIST_HIBIT_CHAR: // toggle high bit filter lListFlags ^= LIST_HIBIT; break; case LIST_WRAP_CHAR: // toggle line wrap lListFlags ^= LIST_WRAP; nRightMargin = (( lListFlags & LIST_WRAP ) ? GetScrCols() : MAXLISTLINE ); // recalculate current line list_wait( LIST_WAIT ); // get start of line LFile.nListHorizOffset = 0; // line number probably changed, so recompute everything LFile.lCurrentLine = ComputeLines( 0L, LFile.lViewPtr ); LFile.lViewPtr = MoveViewPtr( 0L, &(LFile.lCurrentLine )); break; case LIST_HEX_CHAR: // toggle hex display lListFlags ^= LIST_HEX; // if hex, reset to previous 16-byte // boundary if ( lListFlags & LIST_HEX ) { LFile.lViewPtr -= ( LFile.lViewPtr % 16 ); } else { // if not hex, reset to start of line ListMoveLine( 1 ); ListMoveLine( -1 ); } // recalculate current line list_wait( LIST_WAIT ); LFile.lCurrentLine = ComputeLines( 0L, LFile.lViewPtr ); break; case LIST_FIND_CHAR: case LIST_FIND_CHAR_REVERSE: // find first matching string bListSkipLine = 0; //lint -fallthrough case LIST_FIND_NEXT_CHAR: case LIST_FIND_NEXT_CHAR_REVERSE: // find next matching string if (( c == LIST_FIND_CHAR ) || ( c == LIST_FIND_CHAR_REVERSE )) { // disable ^C / ^BREAK handling HoldSignals(); fSearchFlags = 0; wn = wOpen( 2, 1, 4, 75, nInverse, (( c == LIST_FIND_NEXT_CHAR_REVERSE ) ? LIST_FIND_TITLE_REVERSE : LIST_FIND_TITLE ), NULL ); wn->nAttrib = nNormal; wClear(); if ( lListFlags & LIST_HEX ) { wWriteListStr( 0, 1, wn, LIST_FIND_HEX ); if ( GetKeystroke( EDIT_ECHO | EDIT_BIOS_KEY | EDIT_UC_SHIFT ) == YES_CHAR ) fSearchFlags |= FFIND_HEX_SEARCH; wClear(); } wWriteListStr( 0, 1, wn, LIST_FIND ); egets( szListFindWhat, 64, (EDIT_DIALOG | EDIT_BIOS_KEY | EDIT_NO_CRLF)); wRemove( wn ); // enable ^C / ^BREAK handling EnableSignals(); } else { FindNext: // a "Next" has to be from current position fSearchFlags &= ~FFIND_TOPSEARCH; } if ( szListFindWhat[0] == _TEXT('\0') ) continue; sprintf( szDescription, LIST_FIND_WAIT, szListFindWhat ); list_wait( szDescription ); // save start position lTemp = LFile.lViewPtr; lRow = LFile.lCurrentLine; if (( c == LIST_FIND_CHAR_REVERSE ) || ( c == LIST_FIND_NEXT_CHAR_REVERSE )) { // start on the previous line fSearchFlags |= FFIND_REVERSE_SEARCH; } else { fSearchFlags &= ~FFIND_REVERSE_SEARCH; // skip the first line (except on /T"xxx") if ( bListSkipLine ) ListMoveLine( 1 ); } bListSkipLine = 1; if ( SearchFile( fSearchFlags ) != 1 ) { ListSetCurrent( lTemp ); LFile.lViewPtr = lTemp; LFile.lCurrentLine = lRow; } else LFile.fDisplaySearch = (( fSearchFlags & FFIND_CHECK_CASE ) ? 2 : 1 ); break; case LIST_PRINT_CHAR: // print the file ListPrintFile(); continue; case LIST_CONTINUE_CHAR: case CTL_PgDn: return 0; case LIST_PREVIOUS_CHAR: case CTL_PgUp: // previous file if ( nCurrent > 0 ) { nCurrent--; return 0; } //lint -fallthrough default: bad_key: honk(); continue; } // rewrite the display ListUpdateScreen(); } return 0; }