diff options
Diffstat (limited to 'Python/modsupport.c')
| -rw-r--r-- | Python/modsupport.c | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/Python/modsupport.c b/Python/modsupport.c index 781a331493..ba464099dd 100644 --- a/Python/modsupport.c +++ b/Python/modsupport.c @@ -385,9 +385,22 @@ do_mkvalue(const char **p_format, va_list *p_va, int flags) case 'c': { - char p[1]; - p[0] = (char)va_arg(*p_va, int); - return PyString_FromStringAndSize(p, 1); + int i = va_arg(*p_va, int); + Py_UNICODE c; + if (i < 0 || i > PyUnicode_GetMax()) { +#ifdef Py_UNICODE_WIDE + PyErr_SetString(PyExc_OverflowError, + "%c arg not in range(0x110000) " + "(wide Python build)"); +#else + PyErr_SetString(PyExc_OverflowError, + "%c arg not in range(0x10000) " + "(narrow Python build)"); +#endif + return NULL; + } + c = i; + return PyUnicode_FromUnicode(&c, 1); } case 's': |