def test_convert_pointers(self):
strlen = CFUNCTYPE(c_int, c_void_p)()
strlen.__name__ = 'strlen'
def ll_strlen_from_void_p(adr):
i = 0
while adr.char[i] != '\x00':
i += 1
return i
strlen.llinterp_friendly_version = ll_strlen_from_void_p
PTR = c_char_p("hello")
BUF = create_string_buffer(10)
BUF.value = "hello"
ARR = (c_byte * 10)(65, 66, 67)
def func(n):
# constant arguments XXX in-progress
## assert strlen("hello") == 5
## assert strlen(PTR) == 5
## assert strlen(BUF) == 5
## assert strlen(ARR) == 3
# variable arguments
s = chr(n) + 'bc'
assert strlen(s) == 3
assert strlen(c_char_p(s)) == 3
assert strlen((c_char * 6)('a', 'b')) == 2
# XXX Bytes are not chars in llinterp.
# assert strlen((c_byte * 6)(104,101,108,108,111)) == 5
buf = create_string_buffer(10)
buf.value = "hello"
assert strlen(buf) == 5
interpret(func, [65])
def test_convert_pointers(self):
py.test.skip("in-progress")
from pypy.rpython.rctypes.rchar_p import ll_strlen
strlen = CFUNCTYPE(c_int, c_char_p)() # not directly executable!
strlen.__name__ = 'strlen'
strlen.llinterp_friendly_version = ll_strlen
PTR = c_char_p("hello")
BUF = create_string_buffer(10)
BUF.value = "hello"
def func(n):
# constant arguments
assert strlen("hello") == 5
assert strlen(PTR) == 5
assert strlen(BUF) == 5
# variable arguments
s = chr(n) + 'bc'
assert strlen(s) == 3
assert strlen(c_char_p(s)) == 3
assert strlen((c_char * 6)('a', 'b')) == 2
buf = create_string_buffer(10)
buf.value = "hello"
assert strlen(buf) == 5
interpret(func, [65])
