SecurityPkg:Replace unsafe string functions.

[mirror_edk2.git] / SecurityPkg / Library / DxeTcgPhysicalPresenceLib / DxeTcgPhysicalPresenceLib.c

diff --git a/SecurityPkg/Library/DxeTcgPhysicalPresenceLib/DxeTcgPhysicalPresenceLib.c b/SecurityPkg/Library/DxeTcgPhysicalPresenceLib/DxeTcgPhysicalPresenceLib.c
index 7fbeb0aa2b8dd6659389428a3aab991337b2e8ac..4f35be80bb2d6589d84c9e018647c838848b3381 100644 (file)
--- a/SecurityPkg/Library/DxeTcgPhysicalPresenceLib/DxeTcgPhysicalPresenceLib.c
+++ b/SecurityPkg/Library/DxeTcgPhysicalPresenceLib/DxeTcgPhysicalPresenceLib.c
@@ -544,7 +544,7 @@ UserConfirm (
       FreePool (TmpStr1);\r
 \r
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_ACCEPT_KEY));\r
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
+      StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
       FreePool (TmpStr1);\r
       break;\r
 \r
@@ -556,11 +556,11 @@ UserConfirm (
       FreePool (TmpStr1);\r
 \r
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_WARNING));\r
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
+      StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
       FreePool (TmpStr1);\r
 \r
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_ACCEPT_KEY));\r
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
+      StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
       FreePool (TmpStr1);\r
       break;\r
       \r
@@ -572,7 +572,7 @@ UserConfirm (
       FreePool (TmpStr1);\r
 \r
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_ACCEPT_KEY));\r
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
+      StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
       FreePool (TmpStr1);\r
       break;\r
 \r
@@ -584,11 +584,11 @@ UserConfirm (
       FreePool (TmpStr1);\r
 \r
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_WARNING));\r
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
+      StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
       FreePool (TmpStr1);\r
 \r
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_ACCEPT_KEY));\r
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
+      StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
       FreePool (TmpStr1); \r
       break;\r
 \r
@@ -601,12 +601,12 @@ UserConfirm (
       FreePool (TmpStr1);\r
 \r
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_WARNING_CLEAR));\r
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
-      StrnCat (ConfirmText, L" \n\n", (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
+      StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
+      StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), L" \n\n", (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
       FreePool (TmpStr1);      \r
 \r
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_CAUTION_KEY));\r
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
+      StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
       FreePool (TmpStr1);\r
       break;\r
 \r
@@ -618,11 +618,11 @@ UserConfirm (
       FreePool (TmpStr1);\r
 \r
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_NOTE_ON));\r
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
+      StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
       FreePool (TmpStr1);\r
 \r
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_ACCEPT_KEY));\r
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
+      StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
       FreePool (TmpStr1);\r
       break;\r
 \r
@@ -634,15 +634,15 @@ UserConfirm (
       FreePool (TmpStr1);\r
 \r
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_NOTE_OFF));\r
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
+      StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
       FreePool (TmpStr1);\r
       \r
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_WARNING));\r
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
+      StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
       FreePool (TmpStr1);\r
 \r
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_ACCEPT_KEY));\r
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
+      StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
       FreePool (TmpStr1);\r
       break;\r
 \r
@@ -654,7 +654,7 @@ UserConfirm (
       FreePool (TmpStr1);\r
 \r
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_ACCEPT_KEY));\r
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
+      StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
       FreePool (TmpStr1);\r
       break;\r
 \r
@@ -666,7 +666,7 @@ UserConfirm (
       FreePool (TmpStr1);\r
 \r
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_ACCEPT_KEY));\r
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
+      StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
       FreePool (TmpStr1);\r
       break;\r
 \r
@@ -678,11 +678,11 @@ UserConfirm (
       FreePool (TmpStr1);\r
 \r
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_NOTE_ON));\r
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
+      StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
       FreePool (TmpStr1);\r
 \r
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_ACCEPT_KEY));\r
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
+      StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
       FreePool (TmpStr1);\r
       break;\r
 \r
@@ -694,15 +694,15 @@ UserConfirm (
       FreePool (TmpStr1);\r
 \r
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_NOTE_OFF));\r
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
+      StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
       FreePool (TmpStr1);\r
       \r
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_WARNING));\r
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
+      StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
       FreePool (TmpStr1);\r
 \r
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_ACCEPT_KEY));\r
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
+      StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
       FreePool (TmpStr1);\r
       break;\r
 \r
@@ -715,11 +715,11 @@ UserConfirm (
       FreePool (TmpStr1);\r
       \r
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_WARNING_MAINTAIN));\r
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
+      StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
       FreePool (TmpStr1);\r
 \r
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_CAUTION_KEY));\r
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
+      StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
       FreePool (TmpStr1);\r
       break;\r
 \r
@@ -740,19 +740,19 @@ UserConfirm (
       FreePool (TmpStr1);\r
 \r
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_NOTE_ON));\r
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
+      StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
       FreePool (TmpStr1);\r
 \r
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_WARNING_CLEAR));\r
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
+      StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
       FreePool (TmpStr1);\r
 \r
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_WARNING_CLEAR_CONT));\r
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
+      StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
       FreePool (TmpStr1);\r
 \r
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_CAUTION_KEY));\r
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
+      StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
       FreePool (TmpStr1);\r
       break;\r
 \r
@@ -764,11 +764,11 @@ UserConfirm (
       FreePool (TmpStr1);\r
 \r
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_ACCEPT_KEY));\r
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
+      StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
       FreePool (TmpStr1);\r
 \r
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_NO_PPI_INFO));\r
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
+      StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
       FreePool (TmpStr1);\r
       break;\r
 \r
@@ -781,20 +781,20 @@ UserConfirm (
       FreePool (TmpStr1);\r
 \r
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_NOTE_CLEAR));\r
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
+      StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
       FreePool (TmpStr1);\r
 \r
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_WARNING_CLEAR));\r
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
-      StrnCat (ConfirmText, L" \n\n", (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
+      StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
+      StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), L" \n\n", (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
       FreePool (TmpStr1); \r
 \r
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_CAUTION_KEY));\r
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
+      StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
       FreePool (TmpStr1);\r
 \r
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_NO_PPI_INFO));\r
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
+      StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
       FreePool (TmpStr1);\r
       break;\r
 \r
@@ -807,15 +807,15 @@ UserConfirm (
       FreePool (TmpStr1);\r
 \r
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_WARNING_MAINTAIN));\r
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
+      StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
       FreePool (TmpStr1);\r
 \r
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_CAUTION_KEY));\r
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
+      StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
       FreePool (TmpStr1);\r
 \r
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_NO_PPI_INFO));\r
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
+      StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
       FreePool (TmpStr1);\r
       break;\r
 \r
@@ -828,12 +828,12 @@ UserConfirm (
       FreePool (TmpStr1);\r
 \r
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_WARNING_CLEAR));\r
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
-      StrnCat (ConfirmText, L" \n\n", (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
+      StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
+      StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), L" \n\n", (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
       FreePool (TmpStr1);\r
 \r
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_CAUTION_KEY));\r
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
+      StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
       FreePool (TmpStr1);\r
       break;\r
 \r
@@ -846,19 +846,19 @@ UserConfirm (
       FreePool (TmpStr1);\r
 \r
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_NOTE_ON));\r
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
+      StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
       FreePool (TmpStr1);\r
 \r
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_WARNING_CLEAR));\r
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
+      StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
       FreePool (TmpStr1);\r
 \r
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_WARNING_CLEAR_CONT));\r
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
+      StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
       FreePool (TmpStr1);\r
 \r
       TmpStr1 = PhysicalPresenceGetStringById (STRING_TOKEN (TPM_CAUTION_KEY));\r
-      StrnCat (ConfirmText, TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
+      StrnCatS (ConfirmText, BufSize / sizeof (CHAR16), TmpStr1, (BufSize / sizeof (CHAR16)) - StrLen (ConfirmText) - 1);\r
       FreePool (TmpStr1);\r
       break;\r
 \r
@@ -877,7 +877,7 @@ UserConfirm (
 \r
   DstStr[80] = L'\0';\r
   for (Index = 0; Index < StrLen (ConfirmText); Index += 80) {\r
-    StrnCpy(DstStr, ConfirmText + Index, 80);    \r
+    StrnCpyS(DstStr, sizeof (DstStr) / sizeof (CHAR16), ConfirmText + Index, sizeof (DstStr) / sizeof (CHAR16) - 1);    \r
     Print (DstStr);    \r
   }\r
   \r