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* fns.c (sxhash): Redo loop for clarity and to avoid wraparound warning.

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This commit is contained in:
Paul Eggert 2011-04-02 22:56:37 -07:00
parent 0bc0b309f6
commit 8cd55cb48a
2 changed files with 4 additions and 3 deletions
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1
src/ChangeLog
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@ -1,6 +1,7 @@
2011-04-03 Paul Eggert <eggert@cs.ucla.edu>
* fns.c (substring_both): Remove var that is set but not used.
(sxhash): Redo loop for clarity and to avoid wraparound warning.
* eval.c (funcall_lambda): Rename local to avoid shadowing.

6
src/fns.c
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@ -4219,9 +4219,9 @@ sxhash (Lisp_Object obj, int depth)
{
double val = XFLOAT_DATA (obj);
unsigned char *p = (unsigned char *) &val;
unsigned char *e = p + sizeof val;
for (hash = 0; p < e; ++p)
hash = SXHASH_COMBINE (hash, *p);
size_t i;
for (hash = 0, i = 0; i < sizeof val; i++)
hash = SXHASH_COMBINE (hash, p[i]);
break;
}