diff options
Diffstat (limited to 'Objects/unicodeobject.c')
| -rw-r--r-- | Objects/unicodeobject.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/Objects/unicodeobject.c b/Objects/unicodeobject.c index 0ead06f..64a5ef5 100644 --- a/Objects/unicodeobject.c +++ b/Objects/unicodeobject.c @@ -740,8 +740,25 @@ PyUnicode_FromFormatV(const char *format, va_list vargs) switch (*f) { case 'c': - (void)va_arg(count, int); + { + int ordinal = va_arg(count, int); +#ifdef Py_UNICODE_WIDE + if (ordinal < 0 || ordinal > 0x10ffff) { + PyErr_SetString(PyExc_OverflowError, + "%c arg not in range(0x110000) " + "(wide Python build)"); + goto fail; + } +#else + if (ordinal < 0 || ordinal > 0xffff) { + PyErr_SetString(PyExc_OverflowError, + "%c arg not in range(0x10000) " + "(narrow Python build)"); + goto fail; + } +#endif /* fall through... */ + } case '%': n++; break; |