[Python-checkins] bpo-34910: Ensure that PyObject_Print() always returns -1 on error. (GH-9733)
Miss Islington (bot)
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Sat Oct 6 03:06:58 EDT 2018
https://github.com/python/cpython/commit/177254c96f9258a62e3e571c2aee0b642070a374
commit: 177254c96f9258a62e3e571c2aee0b642070a374
branch: 3.6
author: Miss Islington (bot) <31488909+miss-islington at users.noreply.github.com>
committer: GitHub <noreply at github.com>
date: 2018-10-06T00:06:53-07:00
summary:
bpo-34910: Ensure that PyObject_Print() always returns -1 on error. (GH-9733)
(cherry picked from commit ae62f015240c9162773341a9922794e6b960779d)
Co-authored-by: Zackery Spytz <zspytz at gmail.com>
files:
A Misc/NEWS.d/next/C API/2018-10-05-17-06-49.bpo-34910.tSFrls.rst
M Objects/object.c
diff --git a/Misc/NEWS.d/next/C API/2018-10-05-17-06-49.bpo-34910.tSFrls.rst b/Misc/NEWS.d/next/C API/2018-10-05-17-06-49.bpo-34910.tSFrls.rst
new file mode 100644
index 000000000000..eff4755d8d5e
--- /dev/null
+++ b/Misc/NEWS.d/next/C API/2018-10-05-17-06-49.bpo-34910.tSFrls.rst
@@ -0,0 +1,2 @@
+Ensure that :c:func:`PyObject_Print` always returns ``-1`` on error. Patch
+by Zackery Spytz.
diff --git a/Objects/object.c b/Objects/object.c
index defff5579699..fdd41a61681f 100644
--- a/Objects/object.c
+++ b/Objects/object.c
@@ -387,8 +387,9 @@ PyObject_Print(PyObject *op, FILE *fp, int flags)
else if (PyUnicode_Check(s)) {
PyObject *t;
t = PyUnicode_AsEncodedString(s, "utf-8", "backslashreplace");
- if (t == NULL)
- ret = 0;
+ if (t == NULL) {
+ ret = -1;
+ }
else {
fwrite(PyBytes_AS_STRING(t), 1,
PyBytes_GET_SIZE(t), fp);
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