REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3361
DestMax must be > Length or StrnCpyS() and AsciiStrnCpyS()
return an error. Set DestMax to n + 1 for these LibC APIs.
Cc: Rebecca Cran <rebe...@nuviainc.com>
Cc: Jayaprakash Nevara <n.jayaprak...@intel.com>
Signed-off-by: Michael D Kinney <michael.d.kin...@intel.com>
---
StdLib/LibC/String/Copying.c | 2 +-
StdLib/LibC/Wchar/Copying.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/StdLib/LibC/String/Copying.c b/StdLib/LibC/String/Copying.c
index c296714..a50331b 100644
--- a/StdLib/LibC/String/Copying.c
+++ b/StdLib/LibC/String/Copying.c
@@ -90,7 +90,7 @@ strcpy(char * __restrict s1, const char * __restrict s2)
**/
char *strncpy(char * __restrict s1, const char * __restrict s2, size_t n)
{
- AsciiStrnCpyS (s1, n, s2, n);
+ AsciiStrnCpyS (s1, n + 1, s2, n);
return s1;
//char *dest = s1;
diff --git a/StdLib/LibC/Wchar/Copying.c b/StdLib/LibC/Wchar/Copying.c
index 45ceda7..d5a1149 100644
--- a/StdLib/LibC/Wchar/Copying.c
+++ b/StdLib/LibC/Wchar/Copying.c
@@ -44,7 +44,7 @@ wchar_t *wcscpy(wchar_t * __restrict s1, const wchar_t *
__restrict s2)
**/
wchar_t *wcsncpy(wchar_t * __restrict s1, const wchar_t * __restrict s2,
size_t n)
{
- return (wchar_t *)StrnCpyS ((CHAR16 *)s1, (UINTN)n, (CONST CHAR16 *)s2,
(UINTN)n);
+ return (wchar_t *)StrnCpyS ((CHAR16 *)s1, (UINTN)n + 1, (CONST CHAR16 *)s2,
(UINTN)n);
}
/** The wmemcpy function copies n wide characters from the object pointed to by
--
2.32.0.windows.1
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