Revision: 14893
http://sourceforge.net/p/edk2/code/14893
Author: jcarsey
Date: 2013-11-22 21:37:34 +0000 (Fri, 22 Nov 2013)
Log Message:
-----------
ShellPkg: Add ShellHexStrToUintn to allow for simple conversion of hex numbers.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jaben Carsey <[email protected]>
Reviewed-by: Erik Bjorge <[email protected]>
Modified Paths:
--------------
trunk/edk2/ShellPkg/Include/Library/ShellLib.h
trunk/edk2/ShellPkg/Library/UefiShellLib/UefiShellLib.c
Modified: trunk/edk2/ShellPkg/Include/Library/ShellLib.h
===================================================================
--- trunk/edk2/ShellPkg/Include/Library/ShellLib.h 2013-11-22 21:17:25 UTC
(rev 14892)
+++ trunk/edk2/ShellPkg/Include/Library/ShellLib.h 2013-11-22 21:37:34 UTC
(rev 14893)
@@ -1008,6 +1008,23 @@
);
/**
+ Function return the number converted from a hex representation of a number.
+
+ Note: this function cannot be used when (UINTN)(-1), (0xFFFFFFFF) may be a
valid
+ result. Use ShellConvertStringToUint64 instead.
+
+ @param[in] String String representation of a number.
+
+ @return The unsigned integer result of the conversion.
+ @retval (UINTN)(-1) An error occured.
+**/
+UINTN
+EFIAPI
+ShellHexStrToUintn(
+ IN CONST CHAR16 *String
+ );
+
+/**
Safely append with automatic string resizing given length of Destination and
desired length of copy from Source.
Modified: trunk/edk2/ShellPkg/Library/UefiShellLib/UefiShellLib.c
===================================================================
--- trunk/edk2/ShellPkg/Library/UefiShellLib/UefiShellLib.c 2013-11-22
21:17:25 UTC (rev 14892)
+++ trunk/edk2/ShellPkg/Library/UefiShellLib/UefiShellLib.c 2013-11-22
21:37:34 UTC (rev 14893)
@@ -3057,6 +3057,32 @@
}
/**
+ Function return the number converted from a hex representation of a number.
+
+ Note: this function cannot be used when (UINTN)(-1), (0xFFFFFFFF) may be a
valid
+ result. Use ShellConvertStringToUint64 instead.
+
+ @param[in] String String representation of a number.
+
+ @return The unsigned integer result of the conversion.
+ @retval (UINTN)(-1) An error occured.
+**/
+UINTN
+EFIAPI
+ShellHexStrToUintn(
+ IN CONST CHAR16 *String
+ )
+{
+ UINT64 RetVal;
+
+ if (!EFI_ERROR(ShellConvertStringToUint64(String, &RetVal, TRUE, TRUE))) {
+ return ((UINTN)RetVal);
+ }
+
+ return ((UINTN)(-1));
+}
+
+/**
Function to determine whether a string is decimal or hex representation of a
number
and return the number converted from the string. Spaces are always skipped.
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