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/* New getargs implementation */
#include
"Python.h"
#include
<ctype.h>
#ifdef
__cplusplus
extern
"C"
{
#endif
int
PyArg_Parse
(
PyObject
*
,
const
char
*
, ...);
int
PyArg_ParseTuple
(
PyObject
*
,
const
char
*
, ...);
int
PyArg_VaParse
(
PyObject
*
,
const
char
*
,
va_list
);
int
PyArg_ParseTupleAndKeywords
(
PyObject
*
,
PyObject
*
,
const
char
*
,
char
*
*
, ...);
int
PyArg_VaParseTupleAndKeywords
(
PyObject
*
,
PyObject
*
,
const
char
*
,
char
*
*
,
va_list
);
#ifdef
HAVE_DECLSPEC_DLL
/* Export functions */
PyAPI_FUNC
(
int
)
_PyArg_Parse_SizeT
(
PyObject
*
,
char
*
, ...);
PyAPI_FUNC
(
int
)
_PyArg_ParseTuple_SizeT
(
PyObject
*
,
char
*
, ...);
PyAPI_FUNC
(
int
)
_PyArg_ParseTupleAndKeywords_SizeT
(
PyObject
*
,
PyObject
*
,
const
char
*
,
char
*
*
, ...);
PyAPI_FUNC
(
PyObject
*
)
_Py_BuildValue_SizeT
(
const
char
*
, ...);
PyAPI_FUNC
(
int
)
_PyArg_VaParse_SizeT
(
PyObject
*
,
char
*
,
va_list
);
PyAPI_FUNC
(
int
)
_PyArg_VaParseTupleAndKeywords_SizeT
(
PyObject
*
,
PyObject
*
,
const
char
*
,
char
*
*
,
va_list
);
#endif
#define
FLAG_COMPAT
1
#define
FLAG_SIZE_T
2
/* Forward */
static
int
vgetargs1
(
PyObject
*
,
const
char
*
,
va_list
*
,
int
);
static
void
seterror
(
int
,
const
char
*
,
int
*
,
const
char
*
,
const
char
*
);
static
char
*
convertitem
(
PyObject
*
,
const
char
*
*
,
va_list
*
,
int
,
int
*
,
char
*
,
size_t
,
PyObject
*
*
);
static
char
*
converttuple
(
PyObject
*
,
const
char
*
*
,
va_list
*
,
int
,
int
*
,
char
*
,
size_t
,
int
,
PyObject
*
*
);
static
char
*
convertsimple
(
PyObject
*
,
const
char
*
*
,
va_list
*
,
int
,
char
*
,
size_t
,
PyObject
*
*
);
static
Py_ssize_t
convertbuffer
(
PyObject
*
,
void
*
*
p
,
char
*
*
);
static
int
getbuffer
(
PyObject
*
,
Py_buffer
*
,
char
*
*
);
static
int
vgetargskeywords
(
PyObject
*
,
PyObject
*
,
const
char
*
,
char
*
*
,
va_list
*
,
int
);
static
char
*
skipitem
(
const
char
*
*
,
va_list
*
,
int
);
int
PyArg_Parse
(
PyObject
*
args
,
const
char
*
format
, ...)
{
int
retval
;
va_list
va
;
va_start
(
va
,
format
);
retval
=
vgetargs1
(
args
,
format
,
&
va
,
FLAG_COMPAT
);
va_end
(
va
);
return
retval
;
}
int
_PyArg_Parse_SizeT
(
PyObject
*
args
,
char
*
format
, ...)
{
int
retval
;
va_list
va
;
va_start
(
va
,
format
);
retval
=
vgetargs1
(
args
,
format
,
&
va
,
FLAG_COMPAT
|
FLAG_SIZE_T
);
va_end
(
va
);
return
retval
;
}
int
PyArg_ParseTuple
(
PyObject
*
args
,
const
char
*
format
, ...)
{
int
retval
;
va_list
va
;
va_start
(
va
,
format
);
retval
=
vgetargs1
(
args
,
format
,
&
va
,
0
);
va_end
(
va
);
return
retval
;
}
int
_PyArg_ParseTuple_SizeT
(
PyObject
*
args
,
char
*
format
, ...)
{
int
retval
;
va_list
va
;
va_start
(
va
,
format
);
retval
=
vgetargs1
(
args
,
format
,
&
va
,
FLAG_SIZE_T
);
va_end
(
va
);
return
retval
;
}
int
PyArg_VaParse
(
PyObject
*
args
,
const
char
*
format
,
va_list
va
)
{
va_list
lva
;
#ifdef
VA_LIST_IS_ARRAY
memcpy
(
lva
,
va
,
sizeof
(
va_list
));
#else
#ifdef
__va_copy
__va_copy
(
lva
,
va
);
#else
lva
=
va
;
#endif
#endif
return
vgetargs1
(
args
,
format
,
&
lva
,
0
);
}
int
_PyArg_VaParse_SizeT
(
PyObject
*
args
,
char
*
format
,
va_list
va
)
{
va_list
lva
;
#ifdef
VA_LIST_IS_ARRAY
memcpy
(
lva
,
va
,
sizeof
(
va_list
));
#else
#ifdef
__va_copy
__va_copy
(
lva
,
va
);
#else
lva
=
va
;
#endif
#endif
return
vgetargs1
(
args
,
format
,
&
lva
,
FLAG_SIZE_T
);
}
/* Handle cleanup of allocated memory in case of exception */
static
void
cleanup_ptr
(
void
*
ptr
)
{
PyMem_FREE
(
ptr
);
}
static
void
cleanup_buffer
(
void
*
ptr
)
{
PyBuffer_Release
((
Py_buffer
*
)
ptr
);
}
static
int
addcleanup
(
void
*
ptr
,
PyObject
*
*
freelist
,
void
(
*
destr
)(
void
*
))
{
PyObject
*
cobj
;
if
(!
*
freelist
) {
*
freelist
=
PyList_New
(
0
);
if
(!
*
freelist
) {
destr
(
ptr
);
return
-1
;
}
}
cobj
=
PyCObject_FromVoidPtr
(
ptr
,
destr
);
if
(!
cobj
) {
destr
(
ptr
);
return
-1
;
}
if
(
PyList_Append
(
*
freelist
,
cobj
)) {
Py_DECREF
(
cobj
);
return
-1
;
}
Py_DECREF
(
cobj
);
return
0
;
}
static
int
cleanreturn
(
int
retval
,
PyObject
*
freelist
)
{
if
(
freelist
&&
retval
!=
0
) {
/* We were successful, reset the destructors so that they
don't get called. */
Py_ssize_t
len
=
PyList_GET_SIZE
(
freelist
),
i
;
for
(
i
=
0
;
i
<
len
;
i
++
)
((
PyCObject
*
)
PyList_GET_ITEM
(
freelist
,
i
))
->
destructor
=
NULL
;
}
Py_XDECREF
(
freelist
);
return
retval
;
}
static
int
vgetargs1
(
PyObject
*
args
,
const
char
*
format
,
va_list
*
p_va
,
int
flags
)
{
char
msgbuf
[
256
];
int
levels
[
32
];
const
char
*
fname
=
NULL
;
const
char
*
message
=
NULL
;
int
min
=
-1
;
int
max
=
0
;
int
level
=
0
;
int
endfmt
=
0
;
const
char
*
formatsave
=
format
;
Py_ssize_t
i
,
len
;
char
*
msg
;
PyObject
*
freelist
=
NULL
;
int
compat
=
flags
&
FLAG_COMPAT
;
assert
(
compat
||
(
args
!=
(
PyObject
*
)
NULL
));
flags
=
flags
&
~
FLAG_COMPAT
;
while
(
endfmt
==
0
) {
int
c
=
*
format
++
;
switch
(
c
) {
case
'('
:
if
(
level
==
0
)
max
++
;
level
++
;
if
(
level
>=
30
)
Py_FatalError
(
"too many tuple nesting levels "
"in argument format string"
);
break
;
case
')'
:
if
(
level
==
0
)
Py_FatalError
(
"excess ')' in getargs format"
);
else
level
--
;
break
;
case
'\0'
:
endfmt
=
1
;
break
;
case
':'
:
fname
=
format
;
endfmt
=
1
;
break
;
case
';'
:
message
=
format
;
endfmt
=
1
;
break
;
default
:
if
(
level
==
0
) {
if
(
c
==
'O'
)
max
++
;
else
if
(
isalpha
(
Py_CHARMASK
(
c
))) {
if
(
c
!=
'e'
)
/* skip encoded */
max
++
;
}
else
if
(
c
==
'|'
)
min
=
max
;
}
break
;
}
}
if
(
level
!=
0
)
Py_FatalError
(
/* '(' */
"missing ')' in getargs format"
);
if
(
min
<
0
)
min
=
max
;
format
=
formatsave
;
if
(
compat
) {
if
(
max
==
0
) {
if
(
args
==
NULL
)
return
1
;
PyOS_snprintf
(
msgbuf
,
sizeof
(
msgbuf
),
"%.200s%s takes no arguments"
,
fname
==
NULL
?
"function"
:
fname
,
fname
==
NULL
?
""
:
"()"
);
PyErr_SetString
(
PyExc_TypeError
,
msgbuf
);
return
0
;
}
else
if
(
min
==
1
&&
max
==
1
) {
if
(
args
==
NULL
) {
PyOS_snprintf
(
msgbuf
,
sizeof
(
msgbuf
),
"%.200s%s takes at least one argument"
,
fname
==
NULL
?
"function"
:
fname
,
fname
==
NULL
?
""
:
"()"
);
PyErr_SetString
(
PyExc_TypeError
,
msgbuf
);
return
0
;
}
msg
=
convertitem
(
args
,
&
format
,
p_va
,
flags
,
levels
,
msgbuf
,
sizeof
(
msgbuf
),
&
freelist
);
if
(
msg
==
NULL
)
return
cleanreturn
(
1
,
freelist
);
seterror
(
levels
[
0
],
msg
,
levels
+
1
,
fname
,
message
);
return
cleanreturn
(
0
,
freelist
);
}
else
{
PyErr_SetString
(
PyExc_SystemError
,
"old style getargs format uses new features"
);
return
0
;
}
}
if
(!
PyTuple_Check
(
args
)) {
PyErr_SetString
(
PyExc_SystemError
,
"new style getargs format but argument is not a tuple"
);
return
0
;
}
len
=
PyTuple_GET_SIZE
(
args
);
if
(
len
<
min
||
max
<
len
) {
if
(
message
==
NULL
) {
PyOS_snprintf
(
msgbuf
,
sizeof
(
msgbuf
),
"%.150s%s takes %s %d argument%s "
"(%ld given)"
,
fname
==
NULL
?
"function"
:
fname
,
fname
==
NULL
?
""
:
"()"
,
min
==
max
?
"exactly"
:
len
<
min
?
"at least"
:
"at most"
,
len
<
min
?
min
:
max
,
(
len
<
min
?
min
:
max
)
==
1
?
""
:
"s"
,
Py_SAFE_DOWNCAST
(
len
,
Py_ssize_t
,
long
));
message
=
msgbuf
;
}
PyErr_SetString
(
PyExc_TypeError
,
message
);
return
0
;
}
for
(
i
=
0
;
i
<
len
;
i
++
) {
if
(
*
format
==
'|'
)
format
++
;
msg
=
convertitem
(
PyTuple_GET_ITEM
(
args
,
i
),
&
format
,
p_va
,
flags
,
levels
,
msgbuf
,
sizeof
(
msgbuf
),
&
freelist
);
if
(
msg
) {
seterror
(
i
+
1
,
msg
,
levels
,
fname
,
message
);
return
cleanreturn
(
0
,
freelist
);
}
}
if
(
*
format
!=
'\0'
&&
!
isalpha
(
Py_CHARMASK
(
*
format
))
&&
*
format
!=
'('
&&
*
format
!=
'|'
&&
*
format
!=
':'
&&
*
format
!=
';'
) {
PyErr_Format
(
PyExc_SystemError
,
"bad format string: %.200s"
,
formatsave
);
return
cleanreturn
(
0
,
freelist
);
}
return
cleanreturn
(
1
,
freelist
);
}
static
void
seterror
(
int
iarg
,
const
char
*
msg
,
int
*
levels
,
const
char
*
fname
,
const
char
*
message
)
{
char
buf
[
512
];
int
i
;
char
*
p
=
buf
;
if
(
PyErr_Occurred
())
return
;
else
if
(
message
==
NULL
) {
if
(
fname
!=
NULL
) {
PyOS_snprintf
(
p
,
sizeof
(
buf
),
"%.200s() "
,
fname
);
p
+=
strlen
(
p
);
}
if
(
iarg
!=
0
) {
PyOS_snprintf
(
p
,
sizeof
(
buf
)
-
(
p
-
buf
),
"argument %d"
,
iarg
);
i
=
0
;
p
+=
strlen
(
p
);
while
(
levels
[
i
]
>
0
&&
i
<
32
&&
(
int
)(
p
-
buf
)
<
220
) {
PyOS_snprintf
(
p
,
sizeof
(
buf
)
-
(
p
-
buf
),
", item %d"
,
levels
[
i
]
-
1
);
p
+=
strlen
(
p
);
i
++
;
}
}
else
{
PyOS_snprintf
(
p
,
sizeof
(
buf
)
-
(
p
-
buf
),
"argument"
);
p
+=
strlen
(
p
);
}
PyOS_snprintf
(
p
,
sizeof
(
buf
)
-
(
p
-
buf
),
" %.256s"
,
msg
);
message
=
buf
;
}
PyErr_SetString
(
PyExc_TypeError
,
message
);
}
/* Convert a tuple argument.
On entry, *p_format points to the character _after_ the opening '('.
On successful exit, *p_format points to the closing ')'.
If successful:
*p_format and *p_va are updated,
*levels and *msgbuf are untouched,
and NULL is returned.
If the argument is invalid:
*p_format is unchanged,
*p_va is undefined,
*levels is a 0-terminated list of item numbers,
*msgbuf contains an error message, whose format is:
"must be <typename1>, not <typename2>", where:
<typename1> is the name of the expected type, and
<typename2> is the name of the actual type,
and msgbuf is returned.
*/
static
char
*
converttuple
(
PyObject
*
arg
,
const
char
*
*
p_format
,
va_list
*
p_va
,
int
flags
,
int
*
levels
,
char
*
msgbuf
,
size_t
bufsize
,
int
toplevel
,
PyObject
*
*
freelist
)
{
int
level
=
0
;
int
n
=
0
;
const
char
*
format
=
*
p_format
;
int
i
;
for
(;;) {
int
c
=
*
format
++
;
if
(
c
==
'('
) {
if
(
level
==
0
)
n
++
;
level
++
;
}
else
if
(
c
==
')'
) {
if
(
level
==
0
)
break
;
level
--
;
}
else
if
(
c
==
':'
||
c
==
';'
||
c
==
'\0'
)
break
;
else
if
(
level
==
0
&&
isalpha
(
Py_CHARMASK
(
c
)))
n
++
;
}
if
(!
PySequence_Check
(
arg
)
||
PyBytes_Check
(
arg
)) {
levels
[
0
]
=
0
;
PyOS_snprintf
(
msgbuf
,
bufsize
,
toplevel
?
"expected %d arguments, not %.50s"
:
"must be %d-item sequence, not %.50s"
,
n
,
arg
==
Py_None
?
"None"
:
arg
->
ob_type
->
tp_name
);
return
msgbuf
;
}
if
((
i
=
PySequence_Size
(
arg
))
!=
n
) {
levels
[
0
]
=
0
;
PyOS_snprintf
(
msgbuf
,
bufsize
,
toplevel
?
"expected %d arguments, not %d"
:
"must be sequence of length %d, not %d"
,
n
,
i
);
return
msgbuf
;
}
format
=
*
p_format
;
for
(
i
=
0
;
i
<
n
;
i
++
) {
char
*
msg
;
PyObject
*
item
;
item
=
PySequence_GetItem
(
arg
,
i
);
if
(
item
==
NULL
) {
PyErr_Clear
();
levels
[
0
]
=
i
+
1
;
levels
[
1
]
=
0
;
strncpy
(
msgbuf
,
"is not retrievable"
,
bufsize
);
return
msgbuf
;
}
msg
=
convertitem
(
item
,
&
format
,
p_va
,
flags
,
levels
+
1
,
msgbuf
,
bufsize
,
freelist
);
/* PySequence_GetItem calls tp->sq_item, which INCREFs */
Py_XDECREF
(
item
);
if
(
msg
!=
NULL
) {
levels
[
0
]
=
i
+
1
;
return
msg
;
}
}
*
p_format
=
format
;
return
NULL
;
}
/* Convert a single item. */
static
char
*
convertitem
(
PyObject
*
arg
,
const
char
*
*
p_format
,
va_list
*
p_va
,
int
flags
,
int
*
levels
,
char
*
msgbuf
,
size_t
bufsize
,
PyObject
*
*
freelist
)
{
char
*
msg
;
const
char
*
format
=
*
p_format
;
if
(
*
format
==
'('
/* ')' */
) {
format
++
;
msg
=
converttuple
(
arg
,
&
format
,
p_va
,
flags
,
levels
,
msgbuf
,
bufsize
,
0
,
freelist
);
if
(
msg
==
NULL
)
format
++
;
}
else
{
msg
=
convertsimple
(
arg
,
&
format
,
p_va
,
flags
,
msgbuf
,
bufsize
,
freelist
);
if
(
msg
!=
NULL
)
levels
[
0
]
=
0
;
}
if
(
msg
==
NULL
)
*
p_format
=
format
;
return
msg
;
}
#define
UNICODE_DEFAULT_ENCODING
(
arg
) \
_PyUnicode_AsDefaultEncodedString(arg, NULL)
/* Format an error message generated by convertsimple(). */
static
char
*
converterr
(
const
char
*
expected
,
PyObject
*
arg
,
char
*
msgbuf
,
size_t
bufsize
)
{
assert
(
expected
!=
NULL
);
assert
(
arg
!=
NULL
);
PyOS_snprintf
(
msgbuf
,
bufsize
,
"must be %.50s, not %.50s"
,
expected
,
arg
==
Py_None
?
"None"
:
arg
->
ob_type
->
tp_name
);
return
msgbuf
;
}
#define
CONV_UNICODE
"(unicode conversion error)"
/* Explicitly check for float arguments when integers are expected.
Return 1 for error, 0 if ok. */
static
int
float_argument_error
(
PyObject
*
arg
)
{
if
(
PyFloat_Check
(
arg
)) {
PyErr_SetString
(
PyExc_TypeError
,
"integer argument expected, got float"
);
return
1
;
}
else
return
0
;
}
/* Convert a non-tuple argument. Return NULL if conversion went OK,
or a string with a message describing the failure. The message is
formatted as "must be <desired type>, not <actual type>".
When failing, an exception may or may not have been raised.
Don't call if a tuple is expected.
When you add new format codes, please don't forget poor skipitem() below.
*/
static
char
*
convertsimple
(
PyObject
*
arg
,
const
char
*
*
p_format
,
va_list
*
p_va
,
int
flags
,
char
*
msgbuf
,
size_t
bufsize
,
PyObject
*
*
freelist
)
{
/* For # codes */
#define
FETCH_SIZE
int *q=NULL;Py_ssize_t *q2=NULL;\
if (flags & FLAG_SIZE_T) q2=va_arg(*p_va, Py_ssize_t*); \
else q=va_arg(*p_va, int*);
#define
STORE_SIZE
(
s
) if (flags & FLAG_SIZE_T) *q2=s; else *q=s;
#define
BUFFER_LEN
((flags & FLAG_SIZE_T) ? *q2:*q)
const
char
*
format
=
*
p_format
;
char
c
=
*
format
++
;
PyObject
*
uarg
;
switch
(
c
) {
case
'b'
: {
/* unsigned byte -- very short int */
char
*
p
=
va_arg
(
*
p_va
,
char
*
);
long
ival
;
if
(
float_argument_error
(
arg
))
return
converterr
(
"integer<b>"
,
arg
,
msgbuf
,
bufsize
);
ival
=
PyLong_AsLong
(
arg
);
if
(
ival
==
-1
&&
PyErr_Occurred
())
return
converterr
(
"integer<b>"
,
arg
,
msgbuf
,
bufsize
);
else
if
(
ival
<
0
) {
PyErr_SetString
(
PyExc_OverflowError
,
"unsigned byte integer is less than minimum"
);
return
converterr
(
"integer<b>"
,
arg
,
msgbuf
,
bufsize
);
}
else
if
(
ival
>
UCHAR_MAX
) {
PyErr_SetString
(
PyExc_OverflowError
,
"unsigned byte integer is greater than maximum"
);
return
converterr
(
"integer<b>"
,
arg
,
msgbuf
,
bufsize
);
}
else
*
p
=
(
unsigned
char
)
ival
;
break
;
}
case
'B'
: {
/* byte sized bitfield - both signed and unsigned
values allowed */
char
*
p
=
va_arg
(
*
p_va
,
char
*
);
long
ival
;
if
(
float_argument_error
(
arg
))
return
converterr
(
"integer<B>"
,
arg
,
msgbuf
,
bufsize
);
ival
=
PyLong_AsUnsignedLongMask
(
arg
);
if
(
ival
==
-1
&&
PyErr_Occurred
())
return
converterr
(
"integer<B>"
,
arg
,
msgbuf
,
bufsize
);
else
*
p
=
(
unsigned
char
)
ival
;
break
;
}
case
'h'
: {
/* signed short int */
short
*
p
=
va_arg
(
*
p_va
,
short
*
);
long
ival
;
if
(
float_argument_error
(
arg
))
return
converterr
(
"integer<h>"
,
arg
,
msgbuf
,
bufsize
);
ival
=
PyLong_AsLong
(
arg
);
if
(
ival
==
-1
&&
PyErr_Occurred
())
return
converterr
(
"integer<h>"
,
arg
,
msgbuf
,
bufsize
);
else
if
(
ival
<
SHRT_MIN
) {
PyErr_SetString
(
PyExc_OverflowError
,
"signed short integer is less than minimum"
);
return
converterr
(
"integer<h>"
,
arg
,
msgbuf
,
bufsize
);
}
else
if
(
ival
>
SHRT_MAX
) {
PyErr_SetString
(
PyExc_OverflowError
,
"signed short integer is greater than maximum"
);
return
converterr
(
"integer<h>"
,
arg
,
msgbuf
,
bufsize
);
}
else
*
p
=
(
short
)
ival
;
break
;
}
case
'H'
: {
/* short int sized bitfield, both signed and
unsigned allowed */
unsigned short
*
p
=
va_arg
(
*
p_va
,
unsigned
short
*
);
long
ival
;
if
(
float_argument_error
(
arg
))
return
converterr
(
"integer<H>"
,
arg
,
msgbuf
,
bufsize
);
ival
=
PyLong_AsUnsignedLongMask
(
arg
);
if
(
ival
==
-1
&&
PyErr_Occurred
())
return
converterr
(
"integer<H>"
,
arg
,
msgbuf
,
bufsize
);
else
*
p
=
(
unsigned short
)
ival
;
break
;
}
case
'i'
: {
/* signed int */
int
*
p
=
va_arg
(
*
p_va
,
int
*
);
long
ival
;
if
(
float_argument_error
(
arg
))
return
converterr
(
"integer<i>"
,
arg
,
msgbuf
,
bufsize
);
ival
=
PyLong_AsLong
(
arg
);
if
(
ival
==
-1
&&
PyErr_Occurred
())
return
converterr
(
"integer<i>"
,
arg
,
msgbuf
,
bufsize
);
else
if
(
ival
>
INT_MAX
) {
PyErr_SetString
(
PyExc_OverflowError
,
"signed integer is greater than maximum"
);
return
converterr
(
"integer<i>"
,
arg
,
msgbuf
,
bufsize
);
}
else
if
(
ival
<
INT_MIN
) {
PyErr_SetString
(
PyExc_OverflowError
,
"signed integer is less than minimum"
);
return
converterr
(
"integer<i>"
,
arg
,
msgbuf
,
bufsize
);
}
else
*
p
=
ival
;
break
;
}
case
'I'
: {
/* int sized bitfield, both signed and
unsigned allowed */
unsigned
int
*
p
=
va_arg
(
*
p_va
,
unsigned
int
*
);
unsigned
int
ival
;
if
(
float_argument_error
(
arg
))
return
converterr
(
"integer<I>"
,
arg
,
msgbuf
,
bufsize
);
ival
=
(
unsigned
int
)
PyLong_AsUnsignedLongMask
(
arg
);
if
(
ival
==
(
unsigned
int
)
-1
&&
PyErr_Occurred
())
return
converterr
(
"integer<I>"
,
arg
,
msgbuf
,
bufsize
);
else
*
p
=
ival
;
break
;
}
case
'n'
:
/* Py_ssize_t */
{
PyObject
*
iobj
;
Py_ssize_t
*
p
=
va_arg
(
*
p_va
,
Py_ssize_t
*
);
Py_ssize_t
ival
=
-1
;
if
(
float_argument_error
(
arg
))
return
converterr
(
"integer<n>"
,
arg
,
msgbuf
,
bufsize
);
iobj
=
PyNumber_Index
(
arg
);
if
(
iobj
!=
NULL
) {
ival
=
PyLong_AsSsize_t
(
iobj
);
Py_DECREF
(
iobj
);
}
if
(
ival
==
-1
&&
PyErr_Occurred
())
return
converterr
(
"integer<n>"
,
arg
,
msgbuf
,
bufsize
);
*
p
=
ival
;
break
;
}
case
'l'
: {
/* long int */
long
*
p
=
va_arg
(
*
p_va
,
long
*
);
long
ival
;
if
(
float_argument_error
(
arg
))
return
converterr
(
"integer<l>"
,
arg
,
msgbuf
,
bufsize
);
ival
=
PyLong_AsLong
(
arg
);
if
(
ival
==
-1
&&
PyErr_Occurred
())
return
converterr
(
"integer<l>"
,
arg
,
msgbuf
,
bufsize
);
else
*
p
=
ival
;
break
;
}
case
'k'
: {
/* long sized bitfield */
unsigned long
*
p
=
va_arg
(
*
p_va
,
unsigned
long
*
);
unsigned long
ival
;
if
(
PyLong_Check
(
arg
))
ival
=
PyLong_AsUnsignedLongMask
(
arg
);
else
return
converterr
(
"integer<k>"
,
arg
,
msgbuf
,
bufsize
);
*
p
=
ival
;
break
;
}
#ifdef
HAVE_LONG_LONG
case
'L'
: {
/* PY_LONG_LONG */
PY_LONG_LONG
*
p
=
va_arg
(
*
p_va
,
PY_LONG_LONG
*
);
PY_LONG_LONG
ival
=
PyLong_AsLongLong
(
arg
);
if
(
ival
==
(
PY_LONG_LONG
)
-
1
&&
PyErr_Occurred
() ) {
return
converterr
(
"long<L>"
,
arg
,
msgbuf
,
bufsize
);
}
else
{
*
p
=
ival
;
}
break
;
}
case
'K'
: {
/* long long sized bitfield */
unsigned
PY_LONG_LONG
*
p
=
va_arg
(
*
p_va
,
unsigned
PY_LONG_LONG
*
);
unsigned
PY_LONG_LONG
ival
;
if
(
PyLong_Check
(
arg
))
ival
=
PyLong_AsUnsignedLongLongMask
(
arg
);
else
return
converterr
(
"integer<K>"
,
arg
,
msgbuf
,
bufsize
);
*
p
=
ival
;
break
;
}
#endif
case
'f'
: {
/* float */
float
*
p
=
va_arg
(
*
p_va
,
float
*
);
double
dval
=
PyFloat_AsDouble
(
arg
);
if
(
PyErr_Occurred
())
return
converterr
(
"float<f>"
,
arg
,
msgbuf
,
bufsize
);
else
*
p
=
(
float
)
dval
;
break
;
}
case
'd'
: {
/* double */
double
*
p
=
va_arg
(
*
p_va
,
double
*
);
double
dval
=
PyFloat_AsDouble
(
arg
);
if
(
PyErr_Occurred
())
return
converterr
(
"float<d>"
,
arg
,
msgbuf
,
bufsize
);
else
*
p
=
dval
;
break
;
}
#ifndef
WITHOUT_COMPLEX
case
'D'
: {
/* complex double */
Py_complex
*
p
=
va_arg
(
*
p_va
,
Py_complex
*
);
Py_complex
cval
;
cval
=
PyComplex_AsCComplex
(
arg
);
if
(
PyErr_Occurred
())
return
converterr
(
"complex<D>"
,
arg
,
msgbuf
,
bufsize
);
else
*
p
=
cval
;
break
;
}
#endif
/* WITHOUT_COMPLEX */
case
'c'
: {
/* char */
char
*
p
=
va_arg
(
*
p_va
,
char
*
);
if
(
PyBytes_Check
(
arg
)
&&
PyBytes_Size
(
arg
)
==
1
)
*
p
=
PyBytes_AS_STRING
(
arg
)[
0
];
else
return
converterr
(
"a byte string of length 1"
,
arg
,
msgbuf
,
bufsize
);
break
;
}
case
'C'
: {
/* unicode char */
int
*
p
=
va_arg
(
*
p_va
,
int
*
);
if
(
PyUnicode_Check
(
arg
)
&&
PyUnicode_GET_SIZE
(
arg
)
==
1
)
*
p
=
PyUnicode_AS_UNICODE
(
arg
)[
0
];
else
return
converterr
(
"a unicode character"
,
arg
,
msgbuf
,
bufsize
);
break
;
}
/* XXX WAAAAH! 's', 'y', 'z', 'u', 'Z', 'e', 'w', 't' codes all
need to be cleaned up! */
case
's'
: {
/* text string */
if
(
*
format
==
'*'
) {
Py_buffer
*
p
=
(
Py_buffer
*
)
va_arg
(
*
p_va
,
Py_buffer
*
);
if
(
PyUnicode_Check
(
arg
)) {
uarg
=
UNICODE_DEFAULT_ENCODING
(
arg
);
if
(
uarg
==
NULL
)
return
converterr
(
CONV_UNICODE
,
arg
,
msgbuf
,
bufsize
);
PyBuffer_FillInfo
(
p
,
arg
,
PyBytes_AS_STRING
(
uarg
),
PyBytes_GET_SIZE
(
uarg
),
1
,
0
);
}
else
{
/* any buffer-like object */
char
*
buf
;
if
(
getbuffer
(
arg
,
p
,
&
buf
)
<
0
)
return
converterr
(
buf
,
arg
,
msgbuf
,
bufsize
);
}
if
(
addcleanup
(
p
,
freelist
,
cleanup_buffer
)) {
return
converterr
(
"(cleanup problem)"
,
arg
,
msgbuf
,
bufsize
);
}
format
++
;
}
else
if
(
*
format
==
'#'
) {
void
*
*
p
=
(
void
*
*
)
va_arg
(
*
p_va
,
char
*
*
);
FETCH_SIZE
;
if
(
PyUnicode_Check
(
arg
)) {
uarg
=
UNICODE_DEFAULT_ENCODING
(
arg
);
if
(
uarg
==
NULL
)
return
converterr
(
CONV_UNICODE
,
arg
,
msgbuf
,
bufsize
);
*
p
=
PyBytes_AS_STRING
(
uarg
);
STORE_SIZE
(
PyBytes_GET_SIZE
(
uarg
));
}
else
{
/* any buffer-like object */
/* XXX Really? */
char
*
buf
;
Py_ssize_t
count
=
convertbuffer
(
arg
,
p
,
&
buf
);
if
(
count
<
0
)
return
converterr
(
buf
,
arg
,
msgbuf
,
bufsize
);
STORE_SIZE
(
count
);
}
format
++
;
}
else
{
char
*
*
p
=
va_arg
(
*
p_va
,
char
*
*
);
if
(
PyUnicode_Check
(
arg
)) {
uarg
=
UNICODE_DEFAULT_ENCODING
(
arg
);
if
(
uarg
==
NULL
)
return
converterr
(
CONV_UNICODE
,
arg
,
msgbuf
,
bufsize
);
*
p
=
PyBytes_AS_STRING
(
uarg
);
}
else
return
converterr
(
"string"
,
arg
,
msgbuf
,
bufsize
);
if
((
Py_ssize_t
)
strlen
(
*
p
)
!=
PyBytes_GET_SIZE
(
uarg
))
return
converterr
(
"string without null bytes"
,
arg
,
msgbuf
,
bufsize
);
}
break
;
}
case
'y'
: {
/* any buffer-like object, but not PyUnicode */
void
*
*
p
=
(
void
*
*
)
va_arg
(
*
p_va
,
char
*
*
);
char
*
buf
;
Py_ssize_t
count
;
if
(
*
format
==
'*'
) {
if
(
getbuffer
(
arg
, (
Py_buffer
*
)
p
,
&
buf
)
<
0
)
return
converterr
(
buf
,
arg
,
msgbuf
,
bufsize
);
format
++
;
if
(
addcleanup
(
p
,
freelist
,
cleanup_buffer
)) {
return
converterr
(
"(cleanup problem)"
,
arg
,
msgbuf
,
bufsize
);
}
break
;
}
count
=
convertbuffer
(
arg
,
p
,
&
buf
);
if
(
count
<
0
)
return
converterr
(
buf
,
arg
,
msgbuf
,
bufsize
);
else
if
(
*
format
==
'#'
) {
FETCH_SIZE
;
STORE_SIZE
(
count
);
format
++
;
}
break
;
}
case
'z'
: {
/* like 's' or 's#', but None is okay, stored as NULL */
if
(
*
format
==
'*'
) {
Py_buffer
*
p
=
(
Py_buffer
*
)
va_arg
(
*
p_va
,
Py_buffer
*
);
if
(
arg
==
Py_None
)
PyBuffer_FillInfo
(
p
,
NULL
,
NULL
,
0
,
1
,
0
);
else
if
(
PyUnicode_Check
(
arg
)) {
uarg
=
UNICODE_DEFAULT_ENCODING
(
arg
);
if
(
uarg
==
NULL
)
return
converterr
(
CONV_UNICODE
,
arg
,
msgbuf
,
bufsize
);
PyBuffer_FillInfo
(
p
,
arg
,
PyBytes_AS_STRING
(
uarg
),
PyBytes_GET_SIZE
(
uarg
),
1
,
0
);
}
else
{
/* any buffer-like object */
char
*
buf
;
if
(
getbuffer
(
arg
,
p
,
&
buf
)
<
0
)
return
converterr
(
buf
,
arg
,
msgbuf
,
bufsize
);
}
if
(
addcleanup
(
p
,
freelist
,
cleanup_buffer
)) {
return
converterr
(
"(cleanup problem)"
,
arg
,
msgbuf
,
bufsize
);
}
format
++
;
}
else
if
(
*
format
==
'#'
) {
/* any buffer-like object */
void
*
*
p
=
(
void
*
*
)
va_arg
(
*
p_va
,
char
*
*
);
FETCH_SIZE
;
if
(
arg
==
Py_None
) {
*
p
=
0
;
STORE_SIZE
(
0
);
}
else
if
(
PyUnicode_Check
(
arg
)) {
uarg
=
UNICODE_DEFAULT_ENCODING
(
arg
);
if
(
uarg
==
NULL
)
return
converterr
(
CONV_UNICODE
,
arg
,
msgbuf
,
bufsize
);
*
p
=
PyBytes_AS_STRING
(
uarg
);
STORE_SIZE
(
PyBytes_GET_SIZE
(
uarg
));
}
else
{
/* any buffer-like object */
/* XXX Really? */
char
*
buf
;
Py_ssize_t
count
=
convertbuffer
(
arg
,
p
,
&
buf
);
if
(
count
<
0
)
return
converterr
(
buf
,
arg
,
msgbuf
,
bufsize
);
STORE_SIZE
(
count
);
}
format
++
;
}
else
{
char
*
*
p
=
va_arg
(
*
p_va
,
char
*
*
);
uarg
=
NULL
;
if
(
arg
==
Py_None
)
*
p
=
0
;
else
if
(
PyBytes_Check
(
arg
)) {
/* Enable null byte check below */
uarg
=
arg
;
*
p
=
PyBytes_AS_STRING
(
arg
);
}
else
if
(
PyUnicode_Check
(
arg
)) {
uarg
=
UNICODE_DEFAULT_ENCODING
(
arg
);
if
(
uarg
==
NULL
)
return
converterr
(
CONV_UNICODE
,
arg
,
msgbuf
,
bufsize
);
*
p
=
PyBytes_AS_STRING
(
uarg
);
}
else
return
converterr
(
"string or None"
,
arg
,
msgbuf
,
bufsize
);
if
(
*
format
==
'#'
) {
FETCH_SIZE
;
assert
(
0
);
/* XXX redundant with if-case */
if
(
arg
==
Py_None
) {
STORE_SIZE
(
0
);
}
else
{
STORE_SIZE
(
PyBytes_Size
(
arg
));
}
format
++
;
}
else
if
(
*
p
!=
NULL
&&
uarg
!=
NULL
&&
(
Py_ssize_t
)
strlen
(
*
p
)
!=
PyBytes_GET_SIZE
(
uarg
))
return
converterr
(
"string without null bytes or None"
,
arg
,
msgbuf
,
bufsize
);
}
break
;
}
case
'Z'
: {
/* unicode, may be NULL (None) */
if
(
*
format
==
'#'
) {
/* any buffer-like object */
Py_UNICODE
*
*
p
=
va_arg
(
*
p_va
,
Py_UNICODE
*
*
);
FETCH_SIZE
;
if
(
arg
==
Py_None
) {
*
p
=
0
;
STORE_SIZE
(
0
);
}
else
if
(
PyUnicode_Check
(
arg
)) {
*
p
=
PyUnicode_AS_UNICODE
(
arg
);
STORE_SIZE
(
PyUnicode_GET_SIZE
(
arg
));
}
format
++
;
}
else
{
Py_UNICODE
*
*
p
=
va_arg
(
*
p_va
,
Py_UNICODE
*
*
);
if
(
arg
==
Py_None
)
*
p
=
0
;
else
if
(
PyUnicode_Check
(
arg
))
*
p
=
PyUnicode_AS_UNICODE
(
arg
);
else
View remainder of file in raw view
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