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authorjcarsey <jcarsey@6f19259b-4bc3-4df7-8a09-765794883524>2011-06-28 15:01:53 +0000
committerjcarsey <jcarsey@6f19259b-4bc3-4df7-8a09-765794883524>2011-06-28 15:01:53 +0000
commitd3e0289ccf641481f2cbdcbb0d5868c393b7edbb (patch)
treebbc80abec5b5318808e2f79ab05c92343e66f41d /MdePkg/Include
parentc60ea9a873b8fe0c4b9409b28d1608f7f80c9c22 (diff)
downloadedk2-platforms-d3e0289ccf641481f2cbdcbb0d5868c393b7edbb.tar.xz
Clarify the requirements for the Destination parameter of UnicodeStrToAsciiStr.
signed-off-by:jcarsey Reviewed-by:lgao4 git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11917 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdePkg/Include')
-rw-r--r--MdePkg/Include/Library/BaseLib.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/MdePkg/Include/Library/BaseLib.h b/MdePkg/Include/Library/BaseLib.h
index c74ea23a74..6998171bd5 100644
--- a/MdePkg/Include/Library/BaseLib.h
+++ b/MdePkg/Include/Library/BaseLib.h
@@ -636,6 +636,9 @@ StrHexToUint64 (
to the ASCII string Destination by copying the lower 8 bits of
each Unicode character. It returns Destination.
+ The caller is responsible to make sure Destination points to a buffer with size
+ equal or greater than ((StrLen (Source) + 1) * sizeof (CHAR8)) in bytes.
+
If any Unicode characters in Source contain non-zero value in
the upper 8 bits, then ASSERT().