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-rw-r--r--include/gtest/internal/gtest-port.h17
1 files changed, 17 insertions, 0 deletions
diff --git a/include/gtest/internal/gtest-port.h b/include/gtest/internal/gtest-port.h
index 8a76088..16be48d 100644
--- a/include/gtest/internal/gtest-port.h
+++ b/include/gtest/internal/gtest-port.h
@@ -1682,6 +1682,23 @@ inline void Abort() { abort(); }
} // namespace posix
+// MSVC "deprecates" snprintf and issues warnings wherever it is used. In
+// order to avoid these warnings, we need to use _snprintf or _snprintf_s on
+// MSVC-based platforms. We map the GTEST_SNPRINTF_ macro to the appropriate
+// function in order to achieve that. We use macro definition here because
+// snprintf is a variadic function.
+#if _MSC_VER >= 1400 && !GTEST_OS_WINDOWS_MOBILE
+// MSVC 2005 and above support variadic macros.
+# define GTEST_SNPRINTF_(buffer, size, format, ...) \
+ _snprintf_s(buffer, size, size, format, __VA_ARGS__)
+#elif defined(_MSC_VER)
+// Windows CE does not define _snprintf_s and MSVC prior to 2005 doesn't
+// complain about _snprintf.
+# define GTEST_SNPRINTF_ _snprintf
+#else
+# define GTEST_SNPRINTF_ snprintf
+#endif
+
// The maximum number a BiggestInt can represent. This definition
// works no matter BiggestInt is represented in one's complement or
// two's complement.