Sync/gnu-efi/apps/printenv.c
Curle d588e232c4 Major overhaul of this branch.
This branch has been dedicated to purely the UEFI bootloader.
As such, all other code has been removed.

This code can be compiled with Visual Studio, gcc or llvm.
2019-07-17 21:10:29 +01:00

33 lines
725 B
C

#include <efi.h>
#include <efilib.h>
EFI_STATUS
efi_main (EFI_HANDLE image, EFI_SYSTEM_TABLE *systab)
{
EFI_STATUS status;
CHAR16 name[256], *val, fmt[20];
EFI_GUID vendor;
UINTN size;
InitializeLib(image, systab);
name[0] = 0;
vendor = NullGuid;
Print(L"GUID Variable Name Value\n");
Print(L"=================================== ==================== ========\n");
StrCpy(fmt, L"%.-35g %.-20s %s\n");
while (1) {
size = sizeof(name);
status = uefi_call_wrapper(RT->GetNextVariableName, 3, &size, name, &vendor);
if (status != EFI_SUCCESS)
break;
val = LibGetVariable(name, &vendor);
Print(fmt, &vendor, name, val);
FreePool(val);
}
return EFI_SUCCESS;
}