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authorGregory P. Smith <greg@krypto.org>2018-11-13 03:47:13 (GMT)
committerGitHub <noreply@github.com>2018-11-13 03:47:13 (GMT)
commite6c77d8301ec1703abb755a7d3ce5bd8c999c082 (patch)
tree3d4d59f8d8d37ba72b2a664aff9e6198000a0fe0 /Objects/fileobject.c
parent2c07c493d2eb45101312e3eb3a77f94d0c9cad1f (diff)
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Disable getc_unlocked() with MemorySanitizer. (GH-10499)
clang's MemorySanitizer understand getc() but does not understand getc_unlocked(). Workaround: Don't use it on msan builds.
Diffstat (limited to 'Objects/fileobject.c')
-rw-r--r--Objects/fileobject.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/Objects/fileobject.c b/Objects/fileobject.c
index db788a9..10e8391 100644
--- a/Objects/fileobject.c
+++ b/Objects/fileobject.c
@@ -3,7 +3,8 @@
#define PY_SSIZE_T_CLEAN
#include "Python.h"
-#ifdef HAVE_GETC_UNLOCKED
+#if defined(HAVE_GETC_UNLOCKED) && !defined(MEMORY_SANITIZER)
+/* clang MemorySanitizer doesn't yet understand getc_unlocked. */
#define GETC(f) getc_unlocked(f)
#define FLOCKFILE(f) flockfile(f)
#define FUNLOCKFILE(f) funlockfile(f)