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Parenthesize Py<type>_Check() in ifs for Python 3.9.0a4 support

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Upstream MR: https://gitlab.gnome.org/GNOME/libxml2/merge_requests/71
Upstream issue: https://gitlab.gnome.org/GNOME/libxml2/issues/149
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1808343
This commit is contained in:
Miro Hrončok 2020-02-28 13:09:14 +01:00
parent ec577a5de2
commit 3428f2c4aa
2 changed files with 94 additions and 0 deletions
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92
libxml2-2.9.10-parenthesize-type-checks.patch Normal file
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@ -0,0 +1,92 @@
From edc7b6abb0c125eeb888748c334897f60aab0854 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Miro=20Hron=C4=8Dok?= <miro@hroncok.cz>
Date: Fri, 28 Feb 2020 12:48:14 +0100
Subject: [PATCH] Parenthesize Py<type>_Check() in ifs
In C, if expressions should be parenthesized.
PyLong_Check, PyUnicode_Check etc. happened to expand to a parenthesized
expression before, but that's not API to rely on.
Since Python 3.9.0a4 it needs to be parenthesized explicitly.
Fixes https://gitlab.gnome.org/GNOME/libxml2/issues/149
---
python/libxml.c | 4 ++--
python/types.c | 12 ++++++------
2 files changed, 8 insertions(+), 8 deletions(-)
diff --git a/python/libxml.c b/python/libxml.c
index bc676c4e..81e709f3 100644
--- a/python/libxml.c
+++ b/python/libxml.c
@@ -294,7 +294,7 @@ xmlPythonFileReadRaw (void * context, char * buffer, int len) {
lenread = PyBytes_Size(ret);
data = PyBytes_AsString(ret);
#ifdef PyUnicode_Check
- } else if PyUnicode_Check (ret) {
+ } else if (PyUnicode_Check (ret)) {
#if PY_VERSION_HEX >= 0x03030000
Py_ssize_t size;
const char *tmp;
@@ -359,7 +359,7 @@ xmlPythonFileRead (void * context, char * buffer, int len) {
lenread = PyBytes_Size(ret);
data = PyBytes_AsString(ret);
#ifdef PyUnicode_Check
- } else if PyUnicode_Check (ret) {
+ } else if (PyUnicode_Check (ret)) {
#if PY_VERSION_HEX >= 0x03030000
Py_ssize_t size;
const char *tmp;
diff --git a/python/types.c b/python/types.c
index c2bafeb1..ed284ec7 100644
--- a/python/types.c
+++ b/python/types.c
@@ -602,16 +602,16 @@ libxml_xmlXPathObjectPtrConvert(PyObject *obj)
if (obj == NULL) {
return (NULL);
}
- if PyFloat_Check (obj) {
+ if (PyFloat_Check (obj)) {
ret = xmlXPathNewFloat((double) PyFloat_AS_DOUBLE(obj));
- } else if PyLong_Check(obj) {
+ } else if (PyLong_Check(obj)) {
#ifdef PyLong_AS_LONG
ret = xmlXPathNewFloat((double) PyLong_AS_LONG(obj));
#else
ret = xmlXPathNewFloat((double) PyInt_AS_LONG(obj));
#endif
#ifdef PyBool_Check
- } else if PyBool_Check (obj) {
+ } else if (PyBool_Check (obj)) {
if (obj == Py_True) {
ret = xmlXPathNewBoolean(1);
@@ -620,14 +620,14 @@ libxml_xmlXPathObjectPtrConvert(PyObject *obj)
ret = xmlXPathNewBoolean(0);
}
#endif
- } else if PyBytes_Check (obj) {
+ } else if (PyBytes_Check (obj)) {
xmlChar *str;
str = xmlStrndup((const xmlChar *) PyBytes_AS_STRING(obj),
PyBytes_GET_SIZE(obj));
ret = xmlXPathWrapString(str);
#ifdef PyUnicode_Check
- } else if PyUnicode_Check (obj) {
+ } else if (PyUnicode_Check (obj)) {
#if PY_VERSION_HEX >= 0x03030000
xmlChar *str;
const char *tmp;
@@ -650,7 +650,7 @@ libxml_xmlXPathObjectPtrConvert(PyObject *obj)
ret = xmlXPathWrapString(str);
#endif
#endif
- } else if PyList_Check (obj) {
+ } else if (PyList_Check (obj)) {
int i;
PyObject *node;
xmlNodePtr cur;
--
2.24.1

2
libxml2.spec
View File

@ -15,6 +15,8 @@ Patch2: https://gitlab.gnome.org/GNOME/libxml2/commit/0815302dee2b781398
Patch3: libxml2-2.9.10-CVE-2019-20388.patch
# https://gitlab.gnome.org/GNOME/libxml2/merge_requests/63
Patch4: libxml2-2.9.10-CVE-2020-7595.patch
# https://gitlab.gnome.org/GNOME/libxml2/merge_requests/71
Patch5: libxml2-2.9.10-parenthesize-type-checks.patch
BuildRequires: gcc
BuildRequires: make