diff options
| -rw-r--r-- | Python/getargs.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/Python/getargs.c b/Python/getargs.c index 86fd471..9fcfb9f 100644 --- a/Python/getargs.c +++ b/Python/getargs.c @@ -712,6 +712,31 @@ convertsimple1(arg, p_format, p_va) break; } + case 't': /* 8-bit character buffer, read-only access */ + { + const char **p = va_arg(*p_va, const char **); + PyBufferProcs *pb = arg->ob_type->tp_as_buffer; + int count; + + if ( *format++ != '#' ) + return "invalid use of 't' format character"; + if ( !PyType_HasFeature( + arg->ob_type, + Py_TPFLAGS_HAVE_GETCHARBUFFER) || + pb == NULL || + pb->bf_getcharbuffer == NULL || + pb->bf_getsegcount == NULL ) + return "read-only character buffer"; + if ( (*pb->bf_getsegcount)(arg, NULL) != 1 ) + return "single-segment read-only buffer"; + if ( (count = pb->bf_getcharbuffer(arg, 0, p)) < 0 ) + return "(unspecified)"; + + *va_arg(*p_va, int *) = count; + + break; + } + default: return "impossible<bad format char>"; |