mirror of
https://github.com/fastfetch-cli/fastfetch.git
synced 2026-10-30 00:37:23 +01:00
李通洲
e0eba8ce21
```bash find . -type f \( -name "*.c" -o -name "*.h" -o -name "*.cpp" -o -name "*.hpp" \) ! -path "src/3rdparty/*" -print0 | xargs -0 clang-format -i ```
45 lines
1.7 KiB
C
45 lines
1.7 KiB
C
#include "efi_helper.h"
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static inline uint8_t evBits(uint16_t val, uint8_t mask, uint8_t shift) {
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return (uint8_t) ((val & (mask << shift)) >> shift);
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}
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static void ffEfiUcs2ToUtf8(const uint16_t* const chars, FFstrbuf* result) {
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for (uint32_t i = 0; chars[i]; i++) {
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if (chars[i] <= 0x007f) {
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ffStrbufAppendC(result, (char) chars[i]);
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} else if (chars[i] > 0x007f && chars[i] <= 0x07ff) {
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ffStrbufAppendC(result, (char) (0xc0 | evBits(chars[i], 0x1f, 6)));
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ffStrbufAppendC(result, (char) (0x80 | evBits(chars[i], 0x3f, 0)));
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} else {
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ffStrbufAppendC(result, (char) (0xe0 | evBits(chars[i], 0xf, 12)));
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ffStrbufAppendC(result, (char) (0x80 | evBits(chars[i], 0x3f, 6)));
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ffStrbufAppendC(result, (char) (0x80 | evBits(chars[i], 0x3f, 0)));
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}
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}
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}
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bool ffEfiFillLoadOption(const FFEfiLoadOption* efiOption, FFBootmgrResult* result) {
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uint32_t descLen = 0;
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while (efiOption->Description[descLen]) {
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++descLen;
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}
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if (descLen) {
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ffEfiUcs2ToUtf8(efiOption->Description, &result->name);
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}
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for (
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ffEfiDevicePathProtocol* filePathList = (ffEfiDevicePathProtocol*) &efiOption->Description[descLen + 1];
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filePathList->Type != 0x7F; // End of Hardware Device Path
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filePathList = (ffEfiDevicePathProtocol*) ((uint8_t*) filePathList + filePathList->Length)) {
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if (filePathList->Type == 4 && filePathList->SubType == 4) {
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// https://uefi.org/specs/UEFI/2.10/10_Protocols_Device_Path_Protocol.html#file-path-media-device-path
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ffEfiUcs2ToUtf8((uint16_t*) filePathList->SpecificDevicePathData, &result->firmware);
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return true;
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}
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}
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return false;
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}
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