Mercurial > hg > octave-shane > gnulib-hg
changeset 12848:69c1f6834276
regcomp.c: avoid the sole warning from gcc's -Wtype-limits
* lib/regcomp.c (TYPE_SIGNED): Define.
(parse_dup_op): Use it to avoid the sole warning from -Wtype-limits.
| author | Jim Meyering <meyering@redhat.com> |
|---|---|
| date | Wed, 03 Feb 2010 18:01:36 +0100 |
| parents | 64dad3a0ba71 |
| children | 4f2addafd34f |
| files | ChangeLog lib/regcomp.c |
| diffstat | 2 files changed, 9 insertions(+), 1 deletions(-) [+] |
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--- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,9 @@ 2010-02-03 Jim Meyering <meyering@redhat.com> + regcomp.c: avoid the sole warning from gcc's -Wtype-limits + * lib/regcomp.c (TYPE_SIGNED): Define. + (parse_dup_op): Use it to avoid the sole warning from -Wtype-limits. + regcomp.c: avoid a new -Wshadow warning * lib/regcomp.c (create_initial_state): Do not shadow local "err".
--- a/lib/regcomp.c +++ b/lib/regcomp.c @@ -2577,10 +2577,14 @@ if (BE (tree == NULL, 0)) goto parse_dup_op_espace; +/* From gnulib's "intprops.h": + True if the arithmetic type T is signed. */ +#define TYPE_SIGNED(t) (! ((t) 0 < (t) -1)) + /* This loop is actually executed only when end != REG_MISSING, to rewrite <re>{0,n} as (<re>(<re>...<re>?)?)?... We have already created the start+1-th copy. */ - if ((Idx) -1 < 0 || end != REG_MISSING) + if (TYPE_SIGNED (Idx) || end != REG_MISSING) for (i = start + 2; i <= end; ++i) { elem = duplicate_tree (elem, dfa);