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src/bele.h: try to detect possible size-mismatches

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This commit is contained in:
Markus F.X.J. Oberhumer
2023-08-28 00:23:53 +02:00
parent 25a3c109c1
commit d65fea1147
5 changed files with 139 additions and 37 deletions
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src/check/dt_check.cpp
+11
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@@ -113,6 +113,17 @@ ACC_COMPILE_TIME_ASSERT_HEADER(bswap64(bswap64(0xf8f7f6f5f4f3f2f1ull)) ==
no_bswap64(0xf8f7f6f5f4f3f2f1ull))
#endif
ACC_COMPILE_TIME_ASSERT_HEADER(sign_extend(0u + 0, 8) == 0)
ACC_COMPILE_TIME_ASSERT_HEADER(sign_extend(0u + 1, 8) == 1)
ACC_COMPILE_TIME_ASSERT_HEADER(sign_extend(0u + 127, 8) == 127)
ACC_COMPILE_TIME_ASSERT_HEADER(sign_extend(0u + 128, 8) == -128)
ACC_COMPILE_TIME_ASSERT_HEADER(sign_extend(0u - 1, 8) == -1)
ACC_COMPILE_TIME_ASSERT_HEADER(sign_extend(0u + 256, 8) == 0)
ACC_COMPILE_TIME_ASSERT_HEADER(sign_extend(0u + 257, 8) == 1)
ACC_COMPILE_TIME_ASSERT_HEADER(sign_extend(0u + 383, 8) == 127)
ACC_COMPILE_TIME_ASSERT_HEADER(sign_extend(0u + 384, 8) == -128)
ACC_COMPILE_TIME_ASSERT_HEADER(sign_extend(0u + 511, 8) == -1)
ACC_COMPILE_TIME_ASSERT_HEADER(CHAR_BIT == 8)
#if 0 // does not work with MSVC
#if '\0' - 1 < 0