Mercurial > public > mercurial-scm > hg
diff mercurial/thirdparty/xdiff/xutils.c @ 36825:f1ef0e53e628
xdiff: use int64 for hash table size
Follow-up of the previous "long" -> "int64" change. Now xdiff only uses int
for return values and small integers (ex. booleans, shifting score, bits in
hash table size, etc) so it should be able to handle large input.
Differential Revision: https://phab.mercurial-scm.org/D2765
| author | Jun Wu <quark@fb.com> |
|---|---|
| date | Fri, 09 Mar 2018 14:47:29 -0800 |
| parents | 49fe6249937a |
| children |
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--- a/mercurial/thirdparty/xdiff/xutils.c Fri Mar 09 14:39:35 2018 -0800 +++ b/mercurial/thirdparty/xdiff/xutils.c Fri Mar 09 14:47:29 2018 -0800 @@ -141,9 +141,10 @@ return ha; } -unsigned int xdl_hashbits(unsigned int size) { - unsigned int val = 1, bits = 0; +unsigned int xdl_hashbits(int64_t size) { + int64_t val = 1; + unsigned int bits = 0; - for (; val < size && bits < CHAR_BIT * sizeof(unsigned int); val <<= 1, bits++); + for (; val < size && bits < (int64_t) CHAR_BIT * sizeof(unsigned int); val <<= 1, bits++); return bits ? bits: 1; }