Author: Armin Rigo <[email protected]>
Branch:
Changeset: r77555:ac49c84ddcf2
Date: 2015-05-25 23:49 +0200
http://bitbucket.org/pypy/pypy/changeset/ac49c84ddcf2/
Log: simplify
diff --git a/pypy/module/_cffi_backend/ctypeprim.py
b/pypy/module/_cffi_backend/ctypeprim.py
--- a/pypy/module/_cffi_backend/ctypeprim.py
+++ b/pypy/module/_cffi_backend/ctypeprim.py
@@ -188,16 +188,7 @@
if self.value_fits_long:
value = misc.as_long(self.space, w_ob)
if self.value_smaller_than_long:
- size = self.size
- if size == 1:
- signextended = misc.signext(value, 1)
- elif size == 2:
- signextended = misc.signext(value, 2)
- elif size == 4:
- signextended = misc.signext(value, 4)
- else:
- raise AssertionError("unsupported size")
- if value != signextended:
+ if value != misc.signext(value, self.size):
self._overflow(w_ob)
misc.write_raw_signed_data(cdata, value, self.size)
else:
diff --git a/pypy/module/_cffi_backend/misc.py
b/pypy/module/_cffi_backend/misc.py
--- a/pypy/module/_cffi_backend/misc.py
+++ b/pypy/module/_cffi_backend/misc.py
@@ -216,10 +216,9 @@
neg_msg = "can't convert negative number to unsigned"
ovf_msg = "long too big to convert"
[email protected](1)
def signext(value, size):
# 'value' is sign-extended from 'size' bytes to a full integer.
- # 'size' should be a constant smaller than a full integer size.
+ # 'size' should be smaller than a full integer size.
if size == rffi.sizeof(rffi.SIGNEDCHAR):
return rffi.cast(lltype.Signed, rffi.cast(rffi.SIGNEDCHAR, value))
elif size == rffi.sizeof(rffi.SHORT):
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