From: Hao Wu <hao.a.wu@intel.com>
To: edk2-devel@lists.01.org
Cc: Hao Wu <hao.a.wu@intel.com>, Jiewen Yao <jiewen.yao@intel.com>,
Liming Gao <liming.gao@intel.com>,
Michael Kinney <michael.d.kinney@intel.com>
Subject: [PATCH v2] MdePkg/BaseLib: Refine logic for (Ascii)StrnLenS to handle MaxSize = 0
Date: Tue, 14 Feb 2017 10:41:31 +0800 [thread overview]
Message-ID: <1487040091-44960-1-git-send-email-hao.a.wu@intel.com> (raw)
https://bugzilla.tianocore.org/show_bug.cgi?id=378
Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Cc: Michael Kinney <michael.d.kinney@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Hao Wu <hao.a.wu@intel.com>
---
MdePkg/Library/BaseLib/SafeString.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/MdePkg/Library/BaseLib/SafeString.c b/MdePkg/Library/BaseLib/SafeString.c
index 315059e..79c79e0 100644
--- a/MdePkg/Library/BaseLib/SafeString.c
+++ b/MdePkg/Library/BaseLib/SafeString.c
@@ -128,9 +128,9 @@ StrnLenS (
ASSERT (((UINTN) String & BIT0) == 0);
//
- // If String is a null pointer, then the StrnLenS function returns zero.
+ // If String is a null pointer or MaxSize is 0, then the StrnLenS function returns zero.
//
- if (String == NULL) {
+ if ((String == NULL) || (MaxSize == 0)) {
return 0;
}
@@ -1097,9 +1097,9 @@ AsciiStrnLenS (
UINTN Length;
//
- // If String is a null pointer, then the AsciiStrnLenS function returns zero.
+ // If String is a null pointer or MaxSize is 0, then the AsciiStrnLenS function returns zero.
//
- if (String == NULL) {
+ if ((String == NULL) || (MaxSize == 0)) {
return 0;
}
--
1.9.5.msysgit.0
next reply other threads:[~2017-02-14 2:41 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-14 2:41 Hao Wu [this message]
2017-02-14 2:44 ` [PATCH v2] MdePkg/BaseLib: Refine logic for (Ascii)StrnLenS to handle MaxSize = 0 Wu, Hao A
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