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A few changes in tests about number of bits in integers

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- The preprocessor must work with at least 'long', and therefore must
do shifts of up to 31 bits correctly.
- Whenever possible, use unsigned types in shifts.
This commit is contained in:
Roberto Ierusalimschy
2019-05-13 16:17:21 -03:00
parent 49c42f3615
commit 279c3a6961
6 changed files with 19 additions and 18 deletions
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3
luaconf.h
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@@ -87,9 +87,8 @@
/*
@@ LUAI_IS32INT is true iff 'int' has (at least) 32 bits.
** (the use of two shifts avoids undefined shifts)
*/
#define LUAI_IS32INT (((UINT_MAX >> 15) >> 15) >= 3)
#define LUAI_IS32INT ((UINT_MAX >> 30) >= 3)
/* }================================================================== */