Mercurial > gnulib
changeset 18666:96998d4c366e
dfa: omit unnecessary ptrdiff_t check
* lib/dfa.c (alloc_position_set): Do not worry about ptrdiff_t
overflow, since xnmalloc does that now.
| author | Paul Eggert <eggert@cs.ucla.edu> |
|---|---|
| date | Mon, 09 Jan 2017 20:28:11 -0800 |
| parents | afc065cdceb9 |
| children | c83459d710c4 |
| files | ChangeLog lib/dfa.c |
| diffstat | 2 files changed, 4 insertions(+), 2 deletions(-) [+] |
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--- a/ChangeLog Mon Jan 09 20:26:02 2017 -0800 +++ b/ChangeLog Mon Jan 09 20:28:11 2017 -0800 @@ -1,5 +1,9 @@ 2017-01-09 Paul Eggert <eggert@cs.ucla.edu> + dfa: omit unnecessary ptrdiff_t check + * lib/dfa.c (alloc_position_set): Do not worry about ptrdiff_t + overflow, since xnmalloc does that now. + dfa: omit unnecessary allocation * lib/dfa.c (dfaanalyze): Do not allocate follow set, since an all-zero follow set works just fine.
--- a/lib/dfa.c Mon Jan 09 20:26:02 2017 -0800 +++ b/lib/dfa.c Mon Jan 09 20:28:11 2017 -0800 @@ -2007,8 +2007,6 @@ alloc_position_set (position_set *s, size_t size) { s->elems = xnmalloc (size, sizeof *s->elems); - if (PTRDIFF_MAX < SIZE_MAX / sizeof *s->elems && PTRDIFF_MAX < size) - xalloc_die (); s->alloc = size; s->nelem = 0; }