Re: [PATCH] ShellPkg/HandleParsingLib: Correct format specifier for LoadedImage

[<Jim.Dailey@dell.com>]

Dell - Internal Use - Confidential  

Jeff,

Perhaps a better approach is to print *all* the LoadOptions data as hex bytes?

In addition, one might first analyze the LoadOptions data, and, when apropos,
print obvious strings as strings?

Regards,
Jim

-----Original Message-----
From: edk2-devel [mailto:edk2-devel-bounces@lists.01.org] On Behalf Of Jeff Westfahl
Sent: Tuesday, February 14, 2017 3:54 PM
To: edk2-devel@lists.01.org
Subject: [edk2] [PATCH] ShellPkg/HandleParsingLib: Correct format specifier for LoadedImage

The format specifier for the LoadOptions field of the LoadedImage protocol
is "%s". However, the data in LoadOptions is often generic binary data. A
format specifier of "%x" is more appropriate for this field.

Using "dh -v" with format specifier "%s" on BIOS images based on EDK II
source before commit 891d844 can cause a crash.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jeff Westfahl <jeff.westfahl@ni.com>
---
 ShellPkg/Library/UefiHandleParsingLib/UefiHandleParsingLib.uni | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ShellPkg/Library/UefiHandleParsingLib/UefiHandleParsingLib.uni b/ShellPkg/Library/UefiHandleParsingLib/UefiHandleParsingLib.uni
index 0d51627c5f..273a4201bc 100644
--- a/ShellPkg/Library/UefiHandleParsingLib/UefiHandleParsingLib.uni
+++ b/ShellPkg/Library/UefiHandleParsingLib/UefiHandleParsingLib.uni
@@ -354,7 +354,7 @@
                                                   "     DeviceHandle..: %%H%x%%N\r\n"
                                                   "     FilePath......: %%H%x%%N\r\n"
                                                   "     OptionsSize...: %%H%x%%N\r\n"
-                                                  "     LoadOptions...: %%H%s%%N\r\n"
+                                                  "     LoadOptions...: %%H%x%%N\r\n"
                                                   "     ImageBase.....: %%H%x%%N\r\n"
                                                   "     ImageSize.....: %%H%Lx%%N\r\n"
                                                   "     CodeType......: %%H%s%%N\r\n"
-- 
2.11.0.windows.3

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