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bignum.c: Make sure the argument of LONG2FIX is long

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... because BDIGIT_DBL may be long long. POSFIXABLE and NEGFIXABLE
ensures that the value is representable as long, but it failed to build
on emscripten with -Werror -Wshorten-64-to-32.
This commit is contained in:
Yusuke Endoh 2021-01-23 16:05:33 +09:00
parent 05f89dd13b
commit dd65aa95f9
1 changed files with 4 additions and 4 deletions
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8
bignum.c
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@ -3689,10 +3689,10 @@ rb_integer_unpack(const void *words, size_t numwords, size_t wordsize, size_t na
if (u == 0)
return LONG2FIX(0);
if (0 < sign && POSFIXABLE(u))
return LONG2FIX(u);
return LONG2FIX((long)u);
if (sign < 0 && BDIGIT_MSB(fixbuf[1]) == 0 &&
NEGFIXABLE(-(BDIGIT_DBL_SIGNED)u))
return LONG2FIX(-(BDIGIT_DBL_SIGNED)u);
return LONG2FIX((long)-(BDIGIT_DBL_SIGNED)u);
val = bignew((long)num_bdigits, 0 <= sign);
MEMCPY(BDIGITS(val), fixbuf, BDIGIT, num_bdigits);
}
@ -4487,14 +4487,14 @@ rb_ll2big(LONG_LONG n)
VALUE
rb_ull2inum(unsigned LONG_LONG n)
{
if (POSFIXABLE(n)) return LONG2FIX(n);
if (POSFIXABLE(n)) return LONG2FIX((long)n);
return rb_ull2big(n);
}
VALUE
rb_ll2inum(LONG_LONG n)
{
if (FIXABLE(n)) return LONG2FIX(n);
if (FIXABLE(n)) return LONG2FIX((long)n);
return rb_ll2big(n);
}