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| author | Benjamin Peterson <benjamin@python.org> | 2017-09-07 11:13:59 -0700 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2017-09-07 11:13:59 -0700 |
| commit | a853a8ba7850381d49b284295dd6f0dc491dbe44 (patch) | |
| tree | db901475288d8942c221c336fc4ad61f596761c3 /Python/getargs.c | |
| parent | c988ae01fec2e0510d53728e01a5e4bb06761bda (diff) | |
| download | cpython-git-a853a8ba7850381d49b284295dd6f0dc491dbe44.tar.gz | |
bpo-31373: fix undefined floating-point demotions (#3396)
Diffstat (limited to 'Python/getargs.c')
| -rw-r--r-- | Python/getargs.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/Python/getargs.c b/Python/getargs.c index 4b969d924a..0b155a170f 100644 --- a/Python/getargs.c +++ b/Python/getargs.c @@ -4,6 +4,7 @@ #include "Python.h" #include <ctype.h> +#include <float.h> #ifdef __cplusplus @@ -858,6 +859,10 @@ convertsimple(PyObject *arg, const char **p_format, va_list *p_va, int flags, double dval = PyFloat_AsDouble(arg); if (PyErr_Occurred()) RETURN_ERR_OCCURRED; + else if (dval > FLT_MAX) + *p = (float)INFINITY; + else if (dval < -FLT_MAX) + *p = (float)-INFINITY; else *p = (float) dval; break; |