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-rw-r--r--src/palrt/coguid.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/palrt/coguid.cpp b/src/palrt/coguid.cpp
index cd03dce591..6c1efd460a 100644
--- a/src/palrt/coguid.cpp
+++ b/src/palrt/coguid.cpp
@@ -17,7 +17,7 @@ STDAPI_(int) StringFromGUID2(REFGUID rguid, LPOLESTR lptsz, int cchMax)
if (cchMax < 39)
return 0;
- return swprintf(lptsz, W("{%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x}"),
+ return swprintf_s(lptsz, cchMax, W("{%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x}"),
rguid.Data1, rguid.Data2, rguid.Data3,
rguid.Data4[0], rguid.Data4[1],
rguid.Data4[2], rguid.Data4[3],