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From b19339d4356efbd9b49f73e67ed7c09b9dad4b75 Mon Sep 17 00:00:00 2001
From: Sergei Trofimovich <slyfox@gentoo.org>
Date: Thu, 16 May 2013 12:24:17 +0300
Subject: [PATCH 1/2] types: add sanity tests for used sizes
Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
--- a/gccmod.inc
+++ b/gccmod.inc
@@ -6,6 +6,7 @@ $(OUTD)/atofloat.o \
$(OUTD)/backptch.o \
$(OUTD)/bin.o \
$(OUTD)/branch.o \
+$(OUTD)/checks.o \
$(OUTD)/cmdline.o \
$(OUTD)/codegen.o \
$(OUTD)/coff.o \
--- /dev/null
+++ b/src/checks.c
@@ -0,0 +1,26 @@
+/****************************************************************************
+*
+* This code is Public Domain.
+*
+* ========================================================================
+*
+* Description: make sure "inttype.h" filelds are of the desired size.
+*
+****************************************************************************/
+
+#include "inttype.h"
+
+/* fails to compile if type sizes are of unexpected size */
+static void validate_inttype_sizes()
+{
+/* try to create */
+#define T_IS_SIZE(__type, __expected_size, __test_name) \
+ char __test_name[2 * (sizeof (__type) == (__expected_size)) - 1];
+
+ T_IS_SIZE(uint_8, 1, size_of_uint_8_must_be_1_byte);
+ T_IS_SIZE(uint_16, 2, size_of_uint_16_must_be_2_bytes);
+ T_IS_SIZE(uint_32, 4, size_of_uint_32_must_be_4_bytes);
+ T_IS_SIZE(uint_64, 8, size_of_uint_64_must_be_8_bytes);
+
+#undef T_IS_SIZE
+}
--
1.8.2.1
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