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(FIXNUM_OVERFLOW_P): Cast I to EMACS_INT in comparisons

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in case I is of some unsigned type, in which case
MOST_NEGATIVE_FIXNUM will be converted to unsigned, and the
comparison becomes bogus.
This commit is contained in:
Gerd Moellmann 2001-10-11 19:13:20 +00:00
parent 63ca0a6ee4
commit fb756c1cd7
1 changed files with 2 additions and 1 deletions
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src/lisp.h
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@ -477,7 +477,8 @@ extern Lisp_Object make_number ();
/* Value is non-zero if C integer I doesn't fit into a Lisp fixnum. */
#define FIXNUM_OVERFLOW_P(i) \
((i) > MOST_POSITIVE_FIXNUM || (i) < MOST_NEGATIVE_FIXNUM)
((EMACS_INT)(i) > MOST_POSITIVE_FIXNUM \
|| (EMACS_INT) (i) < MOST_NEGATIVE_FIXNUM)
/* Extract a value or address from a Lisp_Object. */