Fix MSVC version guard for C99 format size specifiers
Visual Studio 2013 (_MSC_VER == 1800) doesn't support %zu - only use it
on 2015 and above (_MSC_VER >= 1900).
%ldd works on Visual Studio 2013, but this patch keeps the two macro
definitions together, for simplicity's sake.
Signed-off-by: Bence Szépkúti <bence.szepkuti@arm.com>
diff --git a/ChangeLog.d/fix-msvc-version-guard-format-zu.txt b/ChangeLog.d/fix-msvc-version-guard-format-zu.txt
new file mode 100644
index 0000000..637388e
--- /dev/null
+++ b/ChangeLog.d/fix-msvc-version-guard-format-zu.txt
@@ -0,0 +1,5 @@
+Bugfix
+ * Fix definition of MBEDTLS_PRINTF_SIZET to prevent runtime crashes that
+ occurred whenever SSL debugging was enabled on a copy of Mbed TLS built
+ with Visual Studio 2013.
+ Fixes #10017.
diff --git a/include/mbedtls/debug.h b/include/mbedtls/debug.h
index 424ed4b..a940ef7 100644
--- a/include/mbedtls/debug.h
+++ b/include/mbedtls/debug.h
@@ -108,16 +108,16 @@
*
* This module provides debugging functions.
*/
-#if (defined(__MINGW32__) && __USE_MINGW_ANSI_STDIO == 0) || (defined(_MSC_VER) && _MSC_VER < 1800)
+#if (defined(__MINGW32__) && __USE_MINGW_ANSI_STDIO == 0) || (defined(_MSC_VER) && _MSC_VER < 1900)
#include <inttypes.h>
#define MBEDTLS_PRINTF_SIZET PRIuPTR
#define MBEDTLS_PRINTF_LONGLONG "I64d"
#else \
- /* (defined(__MINGW32__) && __USE_MINGW_ANSI_STDIO == 0) || (defined(_MSC_VER) && _MSC_VER < 1800) */
+ /* (defined(__MINGW32__) && __USE_MINGW_ANSI_STDIO == 0) || (defined(_MSC_VER) && _MSC_VER < 1900) */
#define MBEDTLS_PRINTF_SIZET "zu"
#define MBEDTLS_PRINTF_LONGLONG "lld"
#endif \
- /* (defined(__MINGW32__) && __USE_MINGW_ANSI_STDIO == 0) || (defined(_MSC_VER) && _MSC_VER < 1800) */
+ /* (defined(__MINGW32__) && __USE_MINGW_ANSI_STDIO == 0) || (defined(_MSC_VER) && _MSC_VER < 1900) */
#if !defined(MBEDTLS_PRINTF_MS_TIME)
#include <inttypes.h>