diff options
Diffstat (limited to 'StdLib/LibC/Uefi/InteractiveIO/IIOutilities.c')
| -rw-r--r-- | StdLib/LibC/Uefi/InteractiveIO/IIOutilities.c | 290 |
1 files changed, 0 insertions, 290 deletions
diff --git a/StdLib/LibC/Uefi/InteractiveIO/IIOutilities.c b/StdLib/LibC/Uefi/InteractiveIO/IIOutilities.c deleted file mode 100644 index 2e61cd1e80..0000000000 --- a/StdLib/LibC/Uefi/InteractiveIO/IIOutilities.c +++ /dev/null @@ -1,290 +0,0 @@ -/** @file
- Utilities for Interactive I/O Functions.
-
- The functions assume that isatty() is TRUE at the time they are called.
-
- Copyright (c) 2012 - 2014, Intel Corporation. All rights reserved.<BR>
- This program and the accompanying materials are licensed and made available
- under the terms and conditions of the BSD License which accompanies this
- distribution. The full text of the license may be found at
- http://opensource.org/licenses/bsd-license.php.
-
- THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
- WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-**/
-#include <Uefi.h>
-#include <Protocol/SimpleTextOut.h>
-
-#include <LibConfig.h>
-
-#include <assert.h>
-#include <errno.h>
-#include <sys/syslimits.h>
-#include <sys/termios.h>
-#include <Device/IIO.h>
-#include <MainData.h>
-#include "IIOutilities.h"
-
-/** Get the low-level UEFI protocol associated with an open file.
-
- @param[in] fd File descriptor for an open file.
- @param[out] filp NULL, or a pointer to where a pointer to the file's
- file descriptor structure is to be stored.
-
- @return Returns NULL if fd is not a valid file descriptor, otherwise
- a pointer to the file's associated UEFI protocol is returned.
-**/
-void *
-EFIAPI
-IIO_GetDeviceProto (
- int fd,
- struct __filedes **filp
- )
-{
- void *Proto;
- ConInstance *Stream;
- struct __filedes *pfil;
-
- Proto = NULL;
- if(ValidateFD( fd, VALID_OPEN)) {
- pfil = &gMD->fdarray[fd];
- Stream = BASE_CR(pfil->f_ops, ConInstance, Abstraction);
- Proto = (void *)Stream->Dev;
- if(filp != NULL) {
- *filp = pfil;
- }
- }
- return Proto;
-}
-
-/** Get a character either from the input buffer or from hardware.
-
- @param[in] filp Pointer to a file descriptor structure.
- @param[in] First Set to TRUE to identify the initial read.
-
- @return Returns a character read from either the input buffer
- or from the open file (device) identified by filp.
- A return value of WEOF indicates an error has occurred.
-**/
-wint_t
-EFIAPI
-IIO_GetInChar (
- struct __filedes *filp,
- BOOLEAN First
-)
-{
- cIIO *This;
- cFIFO *InBuf;
- size_t Status;
- ssize_t NumRead;
- wint_t RetVal;
- wchar_t InChar;
-
- static size_t BufCnt;
-
- This = filp->devdata;
- InBuf = This->InBuf;
-
- NumRead = -1;
- InChar = 0;
- if(First) {
- BufCnt = InBuf->Count(InBuf, AsElements);
- }
- if(BufCnt > 0) {
- Status = InBuf->Read(InBuf, &InChar, 1);
- if (Status > 0) {
- --BufCnt;
- NumRead = 1;
- }
- }
- else {
- NumRead = filp->f_ops->fo_read(filp, &filp->f_offset, sizeof(wchar_t), &InChar);
- }
- if(NumRead <= 0) {
- RetVal = WEOF;
- }
- else {
- RetVal = (wint_t)InChar;
- }
- return RetVal;
-}
-
-/** Get the current cursor position.
-
- @param[in] fd File descriptor for an open file.
- @param[out] Column Pointer to where the current cursor column is to be stored.
- @param[out] Row Pointer to where the current cursor row is to be stored.
-
- @retval -1 fd is not an IIO output device.
- @retval 0 Cursor position retrieved, Cursor is Not Visible.
- @retval 1 Cursor position retrieved, Cursor is Visible.
-**/
-int
-EFIAPI
-IIO_GetCursorPosition (
- int fd,
- UINT32 *Column,
- UINT32 *Row
- )
-{
- EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *Proto;
- struct __filedes *pStdOut;
- int RetVal;
-
- RetVal = -1;
-
- Proto = (EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *)IIO_GetDeviceProto(fd, &pStdOut);
- if(Proto != NULL) {
- if(((pStdOut->f_iflags & _S_ITTY) != 0) && // file is a TTY
- ((pStdOut->Oflags & O_ACCMODE) != 0)) // and it is open for output
- {
- // fd is for a TTY or "Interactive IO" device
- *Column = Proto->Mode->CursorColumn;
- *Row = Proto->Mode->CursorRow;
- if(Proto->Mode->CursorVisible) {
- RetVal = 1;
- }
- else {
- RetVal = 0;
- }
- }
- }
- return RetVal;
-}
-
-/** Set the cursor position.
-
- @param[in] filp Pointer to the output device's file descriptor structure.
- @param[in] StartXY Pointer to a cursor coordinate (XY) structure indicating
- the desired coordinate to move the cursor to.
-
- @retval -1 fd is not an IIO output device
- @retval 0 Cursor position set successfully.
-**/
-int
-EFIAPI
-IIO_SetCursorPosition (
- struct __filedes *filp,
- CURSOR_XY *CursorXY
- )
-{
- EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *Proto;
- cIIO *This;
- EFI_STATUS Status;
- int RetVal;
-
- RetVal = -1;
-
- This = filp->devdata;
- Proto = (EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *)IIO_GetDeviceProto(filp->MyFD, NULL);
- if(Proto != NULL) {
- if(((filp->f_iflags & _S_ITTY) != 0) && // file is a TTY
- ((filp->Oflags & O_ACCMODE) != 0)) // and it is open for output
- {
- // fd is for a TTY or "Interactive IO" device
- Status = Proto->SetCursorPosition(Proto, CursorXY->Column, CursorXY->Row);
- if(Status == EFI_SUCCESS) {
- This->CurrentXY.Column = CursorXY->Column;
- This->CurrentXY.Row = CursorXY->Row;
- RetVal = 0;
- }
- }
- }
- return RetVal;
-}
-
-/** Get Output screen size and mode.
-
- @param[in] fd File descriptor of the output device.
- @param[out] Col Pointer to where to store the MAX Column, or NULL.
- @param[out] Row Pointer to where to store the MAX Row, or NULL.
-
- @retval <0 An error occurred. The reason is in errno and EFIerrno.
- * EIO UEFI QueryMode failed
- * ENOTTY fd does not refer to an interactive output device
- @retval >=0 Current output mode
-**/
-int
-EFIAPI
-IIO_GetOutputSize (
- int fd,
- UINTN *Col,
- UINTN *Row
-)
-{
- EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *Proto;
- struct __filedes *pStdOut;
- EFI_STATUS Status;
- UINTN TempCol;
- UINTN TempRow;
- UINTN TempMode;
- int RetVal;
-
- RetVal = -1;
-
- Proto = (EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *)IIO_GetDeviceProto(fd, &pStdOut);
- if(Proto != NULL) {
- if(((pStdOut->f_iflags & _S_ITTY) != 0) && // file is a TTY
- ((pStdOut->Oflags & O_ACCMODE) != 0)) // and it is open for output
- {
- // fd is for a TTY or "Interactive IO" device
- TempMode = Proto->Mode->Mode;
- Status = Proto->QueryMode(Proto, TempMode, &TempCol, &TempRow);
- if(EFI_ERROR(Status)) {
- EFIerrno = Status;
- errno = EIO;
- }
- else {
- *Col = TempCol;
- *Row = TempRow;
- RetVal = (int)TempMode;
- }
- }
- else {
- errno = ENOTTY;
- }
- }
- return RetVal;
-}
-
-/** Calculate the number of character positions between two X/Y coordinate pairs.
-
- Using the current output device characteristics, calculate the number of
- characters between two coordinates. It is assumed that EndXY points to
- an output location that occurs after StartXY.
-
- RowDelta is the computed difference between the ending and starting rows.
- If RowDelta < 0, then EndXY is NOT after StartXY, so assert.
-
- ColumnDelta is the computed number of character positions (columns) between
- the starting position and the ending position. If ColumnDelta is < 0,
- then EndXY is NOT after StartXY, so assert.
-
- @param[in] This Pointer to the IIO instance to be examined.
- @param[in] StartXY Pointer to the starting coordinate pair.
- @param[in] EndXY Pointer to the ending coordinate pair.
-
- @return Returns the difference between the starting and ending coordinates.
- The return value is positive if the coordinates contained in EndXY
- are larger than StartXY, otherwise the return value is negative.
-**/
-int
-EFIAPI
-IIO_CursorDelta (
- cIIO *This,
- CURSOR_XY *StartXY,
- CURSOR_XY *EndXY
-)
-{
- int ColumnDelta;
- int RowDelta;
-
- RowDelta = (int)EndXY->Row - (int)StartXY->Row;
-
- assert(RowDelta >= 0); // assert if EndXY is NOT after StartXY
-
- ColumnDelta = (int)((This->MaxColumn * RowDelta) + EndXY->Column);
- ColumnDelta -= (int)StartXY->Column;
-
- return ColumnDelta;
-}
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