def str_from_buffer(raw_buf, gc_buf, allocated_size, needed_size):
"""
Converts from a pair returned by alloc_buffer to a high-level string.
The returned string will be truncated to needed_size.
"""
assert allocated_size >= needed_size
if gc_buf and (allocated_size == needed_size):
return hlstrtype(gc_buf)
new_buf = lltype.malloc(STRTYPE, needed_size)
if gc_buf:
copy_string_contents(gc_buf, new_buf, 0, 0, needed_size)
else:
copy_raw_to_string(raw_buf, new_buf, 0, needed_size)
return hlstrtype(new_buf)
def str_from_buffer(raw_buf, gc_buf, allocated_size, needed_size):
"""
Converts from a pair returned by alloc_buffer to a high-level string.
The returned string will be truncated to needed_size.
"""
assert allocated_size >= needed_size
if gc_buf and (allocated_size == needed_size):
return hlstrtype(gc_buf)
new_buf = lltype.malloc(STRTYPE, needed_size)
str_chars_offset = (offsetof(STRTYPE, 'chars') + \
itemoffsetof(STRTYPE.chars, 0))
if gc_buf:
src = cast_ptr_to_adr(gc_buf) + str_chars_offset
else:
src = cast_ptr_to_adr(raw_buf) + itemoffsetof(TYPEP.TO, 0)
dest = cast_ptr_to_adr(new_buf) + str_chars_offset
raw_memcopy(src, dest,
llmemory.sizeof(ll_char_type) * needed_size)
keepalive_until_here(gc_buf)
keepalive_until_here(new_buf)
return hlstrtype(new_buf)
def str_from_buffer(raw_buf, gc_buf, case_num, allocated_size, needed_size):
"""
Converts from a pair returned by alloc_buffer to a high-level string.
The returned string will be truncated to needed_size.
"""
assert allocated_size >= needed_size
if allocated_size != needed_size:
from rpython.rtyper.lltypesystem.lloperation import llop
if llop.shrink_array(lltype.Bool, gc_buf, needed_size):
pass # now 'gc_buf' is smaller
else:
gc_buf = mallocfn(needed_size)
case_num = 2
if case_num == 2:
copy_raw_to_string(raw_buf, gc_buf, 0, needed_size)
return hlstrtype(gc_buf)
def str_from_buffer(raw_buf, gc_buf, case_num, allocated_size, needed_size):
"""
Converts from a pair returned by alloc_buffer to a high-level string.
The returned string will be truncated to needed_size.
"""
assert allocated_size >= needed_size
if allocated_size != needed_size:
from rpython.rtyper.lltypesystem.lloperation import llop
if llop.shrink_array(lltype.Bool, gc_buf, needed_size):
pass # now 'gc_buf' is smaller
else:
gc_buf = mallocfn(needed_size)
case_num = 2
if case_num == 2:
copy_raw_to_string(raw_buf, gc_buf, 0, needed_size)
return hlstrtype(gc_buf)
def charpsize2str(cp, size):
ll_str = mallocfn(size)
copy_raw_to_string(cp, ll_str, 0, size)
result = hlstrtype(ll_str)
assert result is not None
return result
def charpsize2str(cp, size):
ll_str = mallocfn(size)
copy_raw_to_string(cp, ll_str, 0, size)
result = hlstrtype(ll_str)
assert result is not None
return result
