SF bug 563750 (Alex Martelli): posix_tmpfile():
The file returned by tmpfile() has mode w+b, so use that in the call
to PyFile_FromFile().
Bugfix candidate.
diff --git a/Modules/posixmodule.c b/Modules/posixmodule.c
index 9d7c3c2..95f4613 100644
--- a/Modules/posixmodule.c
+++ b/Modules/posixmodule.c
@@ -5194,7 +5194,7 @@
fp = tmpfile();
if (fp == NULL)
return posix_error();
- return PyFile_FromFile(fp, "<tmpfile>", "w+", fclose);
+ return PyFile_FromFile(fp, "<tmpfile>", "w+b", fclose);
}
#endif