From b19339d4356efbd9b49f73e67ed7c09b9dad4b75 Mon Sep 17 00:00:00 2001 From: Sergei Trofimovich 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 --- GccUnix.mak | 2 +- checks.c | 26 ++++++++++++++++++++++++++ 2 files changed, 27 insertions(+), 1 deletion(-) create mode 100644 checks.c diff --git a/GccUnix.mak b/GccUnix.mak index 567b842..bcb2fef 100644 --- a/GccUnix.mak +++ b/GccUnix.mak @@ -44,7 +44,7 @@ proj_obj = $(OUTD)/main.o $(OUTD)/assemble.o $(OUTD)/assume.o \ $(OUTD)/apiemu.o $(OUTD)/dbgcv.o $(OUTD)/end.o \ $(OUTD)/backptch.o $(OUTD)/msgtext.o $(OUTD)/tbyte.o \ $(OUTD)/cpumodel.o $(OUTD)/safeseh.o $(OUTD)/cmdline.o \ - $(OUTD)/fastpass.o + $(OUTD)/fastpass.o $(OUTD)/checks.o ###### #.c.o: diff --git a/checks.c b/checks.c new file mode 100644 index 0000000..af8630f --- /dev/null +++ b/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