mirror of https://github.com/acidanthera/audk.git
StdLib: Fix compilation errors caused by previous commit of daConsole.c
Move functions da_ConFlush and da_ConClose to just before da_ConPoll so that they are defined after any calls to them. Replace da_ConFlush with the actual final implementation instead of the initial version which was committed. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Daryl McDaniel <edk2-lists@mc2research.org> Reviewed-by: Michael Zimmermann <sigmaepsilon92@gmail.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@19627 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Daryl McDaniel
darylm503
parent
2e26862c6d
commit
c96bf1ff2c
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@ -106,99 +106,6 @@ WideTtyCvt( CHAR16 *dest, const char *buf, ssize_t n, mbstate_t *Cs)
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return i;
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}
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/** Flush the console's IIO buffers.
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Flush the IIO Input or Output buffers depending upon the mode
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of the specified file.
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If the console is open for output, write any unwritten data in the output
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buffer to the console.
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If the console is open for input or output, discard any remaining data
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in the associated buffers.
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@param[in] filp Pointer to the target file's descriptor structure.
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@retval 0 Always succeeds
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**/
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static
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int
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EFIAPI
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da_ConFlush(
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struct __filedes *filp
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)
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{
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cIIO *This;
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char *MbcsPtr;
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ssize_t NumProc;
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void *OutPtr;
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This = filp->devdata;
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if (filp->f_iflags & S_ACC_READ) { // Readable so flush the input buffer
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This->InBuf->Flush(This->InBuf, UNICODE_STRING_MAX);
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}
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if (filp->f_iflags & S_ACC_WRITE) { // Writable so flush the output buffer
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// At this point, the characters to write are in OutBuf
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// First, linearize and consume the buffer
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NumProc = OutBuf->Read(OutBuf, gMD->UString, UNICODE_STRING_MAX-1);
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if (NumProc > 0) { // Optimization -- Nothing to do if no characters
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gMD->UString[NumProc] = 0; // Ensure that the buffer is terminated
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if(filp->f_iflags & _S_IWTTY) {
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// Output device expects wide characters, Output what we have
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OutPtr = gMD->UString;
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}
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else {
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// Output device expects narrow characters, convert to MBCS
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OutPtr = gMD->UString2;
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// Translate the wide buffer, gMD->UString into MBCS
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// in the buffer pointed to by OutPtr.
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// The returned value, NumProc, is the resulting number of bytes.
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NumProc = wcstombs((char *)OutPtr, (const wchar_t *)gMD->UString, NumProc);
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((char *)OutPtr)[NumProc] = 0; // Ensure the buffer is terminated
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}
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// Do the actual write of the data
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(void) filp->f_ops->fo_write(filp, NULL, NumProc, OutPtr);
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}
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}
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return 0;
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}
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/** Close an open file.
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@param[in] filp Pointer to the file descriptor structure for this file.
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@retval 0 The file has been successfully closed.
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@retval -1 filp does not point to a valid console descriptor.
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**/
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static
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int
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EFIAPI
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da_ConClose(
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IN struct __filedes *filp
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)
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{
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ConInstance *Stream;
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Stream = BASE_CR(filp->f_ops, ConInstance, Abstraction);
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// Quick check to see if Stream looks reasonable
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if(Stream->Cookie != CON_COOKIE) { // Cookie == 'IoAb'
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errno = EINVAL;
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EFIerrno = RETURN_INVALID_PARAMETER;
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return -1; // Looks like a bad File Descriptor pointer
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}
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// Stream and filp look OK, so continue.
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// Flush the I/O buffers
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(void) da_ConFlush(filp);
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// Break the connection to IIO
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filp->devdata = NULL;
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gMD->StdIo[Stream->InstanceNum] = NULL; // Mark the stream as closed
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return 0;
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}
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/** Position the console cursor to the coordinates specified by Position.
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@param[in] filp Pointer to the file descriptor structure for this file.
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@ -623,6 +530,101 @@ da_ConOpen(
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}
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/** Flush a console device's IIO buffers.
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Flush the IIO Input or Output buffers associated with the specified file.
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If the console is open for output, write any unwritten data in the associated
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output buffer (stdout or stderr) to the console.
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If the console is open for input, discard any remaining data
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in the input buffer.
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@param[in] filp Pointer to the target file's descriptor structure.
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@retval 0 Always succeeds
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**/
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static
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int
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EFIAPI
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da_ConFlush(
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struct __filedes *filp
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)
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{
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cFIFO *OutBuf;
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ssize_t NumProc;
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int Flags;
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if(filp->MyFD == STDERR_FILENO) {
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OutBuf = IIO->ErrBuf;
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}
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else {
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OutBuf = IIO->OutBuf;
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}
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Flags = filp->Oflags & O_ACCMODE; // Get the device's open mode
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if (Flags != O_WRONLY) { // (Flags == O_RDONLY) || (Flags == O_RDWR)
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// Readable so discard the contents of the input buffer
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IIO->InBuf->Flush(IIO->InBuf, UNICODE_STRING_MAX);
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}
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if (Flags != O_RDONLY) { // (Flags == O_WRONLY) || (Flags == O_RDWR)
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// Writable so flush the output buffer
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// At this point, the characters to write are in OutBuf
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// First, linearize and consume the buffer
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NumProc = OutBuf->Read(OutBuf, gMD->UString, UNICODE_STRING_MAX-1);
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if (NumProc > 0) { // Optimization -- Nothing to do if no characters
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gMD->UString[NumProc] = 0; // Ensure that the buffer is terminated
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/* OutBuf always contains wide characters.
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The UEFI Console (this device) always expects wide characters.
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There is no need to handle devices that expect narrow characters
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like the device-independent functions do.
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*/
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// Do the actual write of the data to the console
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(void) da_ConWrite(filp, NULL, NumProc, gMD->UString);
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// Paranoia -- Make absolutely sure that OutBuf is empty in case fo_write
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// wasn't able to consume everything.
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OutBuf->Flush(OutBuf, UNICODE_STRING_MAX);
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}
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}
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return 0;
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}
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/** Close an open file.
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@param[in] filp Pointer to the file descriptor structure for this file.
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@retval 0 The file has been successfully closed.
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@retval -1 filp does not point to a valid console descriptor.
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**/
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static
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int
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EFIAPI
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da_ConClose(
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IN struct __filedes *filp
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)
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{
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ConInstance *Stream;
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Stream = BASE_CR(filp->f_ops, ConInstance, Abstraction);
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// Quick check to see if Stream looks reasonable
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if(Stream->Cookie != CON_COOKIE) { // Cookie == 'IoAb'
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errno = EINVAL;
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EFIerrno = RETURN_INVALID_PARAMETER;
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return -1; // Looks like a bad File Descriptor pointer
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}
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// Stream and filp look OK, so continue.
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// Flush the I/O buffers
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(void) da_ConFlush(filp);
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// Break the connection to IIO
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filp->devdata = NULL;
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gMD->StdIo[Stream->InstanceNum] = NULL; // Mark the stream as closed
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return 0;
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}
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#include <sys/poll.h>
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/* Returns a bit mask describing which operations could be completed immediately.
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