mirror of
https://github.com/NixOS/nixpkgs.git
synced 2024-11-23 06:01:15 +00:00
80 lines
2.2 KiB
Diff
80 lines
2.2 KiB
Diff
From eee0beef88d135640871050b40844272a3aee790 Mon Sep 17 00:00:00 2001
|
|
From: Tres Seaver <tseaver@palladion.com>
|
|
Date: Tue, 15 Sep 2015 17:20:18 -0400
|
|
Subject: [PATCH 1/2] Ensure that we don't overlook errors in first
|
|
PyObject_RichCompareBool call.
|
|
|
|
Python 3.5 turns such cases into SystemErrors.
|
|
|
|
See: https://bugs.python.org/issue23571
|
|
|
|
Fixes #15.
|
|
---
|
|
BTrees/_compat.h | 22 +++++++++++++++++++---
|
|
1 file changed, 19 insertions(+), 3 deletions(-)
|
|
|
|
diff --git a/BTrees/_compat.h b/BTrees/_compat.h
|
|
index e004d54..19dd377 100644
|
|
--- a/BTrees/_compat.h
|
|
+++ b/BTrees/_compat.h
|
|
@@ -27,9 +27,25 @@
|
|
#define TEXT_FROM_STRING PyUnicode_FromString
|
|
#define TEXT_FORMAT PyUnicode_Format
|
|
|
|
-#define COMPARE(lhs, rhs) \
|
|
- PyObject_RichCompareBool((lhs), (rhs), Py_LT) > 0 ? -1 : \
|
|
- (PyObject_RichCompareBool((lhs), (rhs), Py_EQ) > 0 ? 0 : 1)
|
|
+/* Emulate Python2's __cmp__, wrapping PyObject_RichCompareBool(),
|
|
+ * Return -2/-3 for errors, -1 for lhs<rhs, 0 for lhs==rhs, 1 for lhs>rhs.
|
|
+ */
|
|
+static inline
|
|
+int __compare(PyObject *lhs, PyObject *rhs) {
|
|
+ int less, equal;
|
|
+
|
|
+ less = PyObject_RichCompareBool(lhs, rhs, Py_LT);
|
|
+ if ( less == -1 ) {
|
|
+ return -2;
|
|
+ }
|
|
+ equal = PyObject_RichCompareBool(lhs, rhs, Py_EQ);
|
|
+ if ( equal == -1 ) {
|
|
+ return -3;
|
|
+ }
|
|
+ return less ? -1 : (equal ? 0 : 1);
|
|
+}
|
|
+
|
|
+#define COMPARE(lhs, rhs) __compare((lhs), (rhs))
|
|
|
|
|
|
#else
|
|
|
|
From ff4c3309fe471f2b9bdd642b8f7d1c2fe0f5e458 Mon Sep 17 00:00:00 2001
|
|
From: Tres Seaver <tseaver@palladion.com>
|
|
Date: Sun, 20 Sep 2015 11:07:10 -0400
|
|
Subject: [PATCH 2/2] Avoid unnecessary comparison for 'Py_EQ' if 'Py_LT'
|
|
returned True.
|
|
|
|
---
|
|
BTrees/_compat.h | 5 ++++-
|
|
1 file changed, 4 insertions(+), 1 deletion(-)
|
|
|
|
diff --git a/BTrees/_compat.h b/BTrees/_compat.h
|
|
index 19dd377..ece2bf9 100644
|
|
--- a/BTrees/_compat.h
|
|
+++ b/BTrees/_compat.h
|
|
@@ -38,11 +38,14 @@ int __compare(PyObject *lhs, PyObject *rhs) {
|
|
if ( less == -1 ) {
|
|
return -2;
|
|
}
|
|
+ if (less) {
|
|
+ return -1;
|
|
+ }
|
|
equal = PyObject_RichCompareBool(lhs, rhs, Py_EQ);
|
|
if ( equal == -1 ) {
|
|
return -3;
|
|
}
|
|
- return less ? -1 : (equal ? 0 : 1);
|
|
+ return equal ? 0 : 1;
|
|
}
|
|
|
|
#define COMPARE(lhs, rhs) __compare((lhs), (rhs))
|