jobcore/libxml2/0001-Fix-python3-unicode-errors.patch

57 lines
2 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: "Jan Alexander Steffens (heftig)" <heftig@archlinux.org>
Date: Tue, 11 Apr 2023 21:55:36 +0000
Subject: [PATCH] Fix python3 unicode errors
Patch taken from Fedora at
https://src.fedoraproject.org/rpms/libxml2/raw/c1fa5c85e9d3a0b7340aaf34d2e5134cf47f5d66/f/libxml2-2.9.8-python3-unicode-errors.patch
Works around https://bugzilla.gnome.org/show_bug.cgi?id=789714
and https://gitlab.gnome.org/GNOME/libxml2/-/issues/64
---
python/libxml.c | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/python/libxml.c b/python/libxml.c
index e071e824ca39..9d476f4fcd92 100644
--- a/python/libxml.c
+++ b/python/libxml.c
@@ -1621,28 +1621,37 @@ libxml_xmlErrorFuncHandler(ATTRIBUTE_UNUSED void *ctx, const char *msg,
PyObject *message;
PyObject *result;
char str[1000];
+ unsigned char *ptr = (unsigned char *)str;
#ifdef DEBUG_ERROR
printf("libxml_xmlErrorFuncHandler(%p, %s, ...) called\n", ctx, msg);
#endif
if (libxml_xmlPythonErrorFuncHandler == NULL) {
va_start(ap, msg);
vfprintf(stderr, msg, ap);
va_end(ap);
} else {
va_start(ap, msg);
if (vsnprintf(str, 999, msg, ap) >= 998)
str[999] = 0;
va_end(ap);
+#if PY_MAJOR_VERSION >= 3
+ /* Ensure the error string doesn't start at UTF8 continuation. */
+ while (*ptr && (*ptr & 0xc0) == 0x80)
+ ptr++;
+#endif
+
list = PyTuple_New(2);
PyTuple_SetItem(list, 0, libxml_xmlPythonErrorFuncCtxt);
Py_XINCREF(libxml_xmlPythonErrorFuncCtxt);
- message = libxml_charPtrConstWrap(str);
+ message = libxml_charPtrConstWrap(ptr);
PyTuple_SetItem(list, 1, message);
result = PyEval_CallObject(libxml_xmlPythonErrorFuncHandler, list);
+ /* Forget any errors caused in the error handler. */
+ PyErr_Clear();
Py_XDECREF(list);
Py_XDECREF(result);
}