mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-09-21 02:51:04 +02:00
60 lines
1.6 KiB
C++
60 lines
1.6 KiB
C++
/*
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* posix_additions.cpp
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*
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* Created on: Feb 5, 2021
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* Author: jief
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*/
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#include "posix_additions.h"
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#include "stdio.h"
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#include "stddef.h"
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/*
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* We need to use AsciiSPrint to be able to use %r and %g
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*/
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extern "C" {
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//# include <Library/UefiLib.h>
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# include <Library/PrintLib.h>
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// UINTN
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// EFIAPI
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// AsciiSPrint (
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// OUT CHAR8 *StartOfBuffer,
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// IN UINTN BufferSize,
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// IN CONST CHAR8 *FormatString,
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// ...
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// );
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}
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#include "../../cpp_foundation/XString.h"
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static XString8 stdio_static_buf = XString8().takeValueFrom("XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX "); // prealloc stdio_static_buf. It has to be at least 2 chars because of 'while ( n > size - 2 )' in strguid and efiStrError
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const char* efiStrError(EFI_STATUS Status)
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{
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size_t size = stdio_static_buf.allocatedSize();
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UINTN n = 0;
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n = AsciiSPrint(stdio_static_buf.dataSized(size-1), size-1, "%r", Status); // dataSized(size)-1 is important to avoid stdio_static_buf grow by 1 at each call.
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while ( n > size - 3 )
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{
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size += 10;
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n = AsciiSPrint(stdio_static_buf.dataSized(size), size, "%r", Status);
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}
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return stdio_static_buf.s();
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}
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//
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////this function print guid in LittleEndian format while we need BigEndian as Apple do
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//const char* strguid(const EFI_GUID& guid)
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//{
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// size_t size = stdio_static_buf.allocatedSize();
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// UINTN n = 0;
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// n = AsciiSPrint(stdio_static_buf.dataSized(size), size, "%g", &guid);
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// while ( n > size - 2 )
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// {
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// size += 10;
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// n = AsciiSPrint(stdio_static_buf.dataSized(size), size, "%g", &guid);
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// }
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// return stdio_static_buf.s();
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//}
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