From 41fdbaa3ea622c3f64d4ab8f70fc79d35729071a Mon Sep 17 00:00:00 2001 From: "Miss Islington (bot)" <31488909+miss-islington@users.noreply.github.com> Date: Mon, 12 Nov 2018 20:18:15 -0800 Subject: 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. (cherry picked from commit e6c77d8301ec1703abb755a7d3ce5bd8c999c082) Co-authored-by: Gregory P. Smith --- Objects/fileobject.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/Objects/fileobject.c b/Objects/fileobject.c index f442418..f4944da 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) -- cgit v0.12