Fix snprintf usage on windows
Introduced in 6432c7e
diff --git a/programs/pkey/rsa_sign.c b/programs/pkey/rsa_sign.c
index 14b87ab..7bd0fad 100644
--- a/programs/pkey/rsa_sign.c
+++ b/programs/pkey/rsa_sign.c
@@ -32,6 +32,7 @@
#include <stdio.h>
#define polarssl_fprintf fprintf
#define polarssl_printf printf
+#define polarssl_snprintf snprintf
#endif
#if defined(POLARSSL_BIGNUM_C) && defined(POLARSSL_RSA_C) && \
@@ -43,6 +44,10 @@
#include <string.h>
#endif
+#if defined _MSC_VER && !defined snprintf
+#define snprintf _snprintf
+#endif
+
#if !defined(POLARSSL_BIGNUM_C) || !defined(POLARSSL_RSA_C) || \
!defined(POLARSSL_SHA256_C) || !defined(POLARSSL_FS_IO)
int main( void )
diff --git a/programs/pkey/rsa_verify.c b/programs/pkey/rsa_verify.c
index cb42563..325ae6a 100644
--- a/programs/pkey/rsa_verify.c
+++ b/programs/pkey/rsa_verify.c
@@ -31,6 +31,7 @@
#else
#include <stdio.h>
#define polarssl_printf printf
+#define polarssl_snprintf snprintf
#endif
#if defined(POLARSSL_BIGNUM_C) && defined(POLARSSL_RSA_C) && \
@@ -42,6 +43,10 @@
#include <string.h>
#endif
+#if defined _MSC_VER && !defined snprintf
+#define snprintf _snprintf
+#endif
+
#if !defined(POLARSSL_BIGNUM_C) || !defined(POLARSSL_RSA_C) || \
!defined(POLARSSL_SHA256_C) || !defined(POLARSSL_FS_IO)
int main( void )