commit a1c7e727c8fd9a9bf924ecc20c7d6892d19aa99e
author Steve Dower <steve.dower@microsoft.com> Sun Apr 12 00:26:43 2015 -0400
committer Steve Dower <steve.dower@microsoft.com> Sun Apr 12 00:26:43 2015 -0400
tree eb7fd0928896a5ec14f0d485cd18dc6bea573cd9
parent 8fc8980c96f58a7f06e4e3133735807bd245c658

Issue #23668: Suppresses invalid parameter handler around chsize calls.

Modules/_io/fileio.c

diff --git a/Modules/_io/fileio.c b/Modules/_io/fileio.c
index 186319b..af93499 100644
--- a/Modules/_io/fileio.c
+++ b/Modules/_io/fileio.c
@@ -880,12 +880,14 @@
     }
 
     Py_BEGIN_ALLOW_THREADS
+    _Py_BEGIN_SUPPRESS_IPH
     errno = 0;
 #ifdef MS_WINDOWS
     ret = _chsize_s(fd, pos);
 #else
     ret = ftruncate(fd, pos);
 #endif
+    _Py_END_SUPPRESS_IPH
     Py_END_ALLOW_THREADS
 
     if (ret != 0) {