Hello,
I'm trying to print a simple ASCII string to the console. I decided to
try
AsciiPrint() from the MDE package. I started having problems right away. The
function
wouldn't print an Ascii string. Here's my code:
#include <Uefi.h>
#include <Library/UefiLib.h>
#include <Library/ShellCEntryLib.h>
INTN EFIAPI ShellAppMain (IN UINTN Argc, IN CHAR16 **Argv) {
char world[] = "world";
AsciiPrint("hello %s\n", world);
return 0;
}
After some digging around, I noticed that AsciiPrint calls the
BasePrintLibSPrintMarker
function which defaults to Unicode for %s. Is this correct? The documentation
for
AsciiPrint in the MDE document states that it will print a formatted ASCII
string to the console. However, it makes no mention of the type of strings
supported
in the VA list. In my mind it should be supporting ASCII. Is this a bug or
the intended
behavior?
Thanks,
Stephen
BasePrintLib/PrintLibInternal.c:
case 's':
case 'S':
Flags |= ARGUMENT_UNICODE;
//
// break skipped on purpose
//
case 'a':
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