diff options
Diffstat (limited to 'Python/dtoa.c')
| -rw-r--r-- | Python/dtoa.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/Python/dtoa.c b/Python/dtoa.c index 822adc6129..e629b29642 100644 --- a/Python/dtoa.c +++ b/Python/dtoa.c @@ -64,6 +64,9 @@ * 7. _Py_dg_strtod has been modified so that it doesn't accept strings with * leading whitespace. * + * 8. A corner case where _Py_dg_dtoa didn't strip trailing zeros has been + * fixed. (bugs.python.org/issue40780) + * ***************************************************************/ /* Please send bug reports for the original dtoa.c code to David M. Gay (dmg @@ -2563,6 +2566,14 @@ _Py_dg_dtoa(double dd, int mode, int ndigits, } ++*s++; } + else { + /* Strip trailing zeros. This branch was missing from the + original dtoa.c, leading to surplus trailing zeros in + some cases. See bugs.python.org/issue40780. */ + while (s > s0 && s[-1] == '0') { + --s; + } + } break; } } |