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Merged revisions 77578 via svnmerge from 

svn+ssh://pythondev@svn.python.org/python/trunk

........
  r77578 | mark.dickinson | 2010-01-17 13:37:57 +0000 (Sun, 17 Jan 2010) | 2 lines

  Issue #7632: Fix a memory leak in _Py_dg_strtod.
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This commit is contained in:
Mark Dickinson 2010-01-17 14:39:12 +00:00
parent fc8d6f4b73
commit c4f1868e88
2 changed files with 10 additions and 3 deletions
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5
Misc/NEWS
View File

@ -33,8 +33,9 @@ Core and Builtins
alpha 2, including: (1) a serious 'wrong output' bug that could
occur for long (> 40 digit) input strings, (2) a crash in dtoa.c
that occurred in debug builds when parsing certain long numeric
strings corresponding to subnormal values, and (3) a number of flaws
that could lead to incorrectly rounded results.
strings corresponding to subnormal values, (3) a memory leak for
some values large enough to cause overflow, and (4) a number of
flaws that could lead to incorrectly rounded results.
- The __complex__ method is now looked up on the class of instances to make it
consistent with other special methods.

8
Python/dtoa.c
View File

@ -1939,8 +1939,14 @@ _Py_dg_strtod(const char *s00, char **se)
dval(&rv) += adj.d;
if ((word0(&rv) & Exp_mask) >=
Exp_msk1*(DBL_MAX_EXP+Bias-P)) {
if (word0(&rv0) == Big0 && word1(&rv0) == Big1)
if (word0(&rv0) == Big0 && word1(&rv0) == Big1) {
Bfree(bb);
Bfree(bd);
Bfree(bs);
Bfree(bd0);
Bfree(delta);
goto ovfl;
}
word0(&rv) = Big0;
word1(&rv) = Big1;
goto cont;