diff options
Diffstat (limited to 'gnu/packages/patches/python-libxml2-utf8.patch')
| -rw-r--r-- | gnu/packages/patches/python-libxml2-utf8.patch | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/gnu/packages/patches/python-libxml2-utf8.patch b/gnu/packages/patches/python-libxml2-utf8.patch new file mode 100644 index 0000000000..e39672faa1 --- /dev/null +++ b/gnu/packages/patches/python-libxml2-utf8.patch @@ -0,0 +1,40 @@ +This patch fixes a crash in the libxml2 bindings for Python 3.x +that 'itstool' stumbles upon when processing UTF-8 data: + + https://issues.guix.gnu.org/issue/37468 + +Patch by Jan Matejek +from <https://bugzilla.opensuse.org/show_bug.cgi?id=1065270>. + +--- libxml2-2.9.5.orig/python/libxml.c ++++ libxml2-2.9.5/python/libxml.c +@@ -1620,6 +1620,7 @@ libxml_xmlErrorFuncHandler(ATTRIBUTE_UNU + 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); +@@ -1636,12 +1637,20 @@ libxml_xmlErrorFuncHandler(ATTRIBUTE_UNU + 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); + } |