From 79e8429e41c98d42e9e4d13de8276b8de24ddc83 Mon Sep 17 00:00:00 2001 From: Evgeniy Stepanov Date: Thu, 14 Feb 2013 12:18:32 +0000 Subject: [PATCH] Workaround an MSan false positive. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175156 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Support/Unix/Process.inc | 2 ++ 1 file changed, 2 insertions(+) diff --git a/lib/Support/Unix/Process.inc b/lib/Support/Unix/Process.inc index 1335b78e86b..9a4454f1c65 100644 --- a/lib/Support/Unix/Process.inc +++ b/lib/Support/Unix/Process.inc @@ -224,6 +224,8 @@ static unsigned getColumns(int FileID) { #if defined(HAVE_SYS_IOCTL_H) && defined(HAVE_TERMIOS_H) // Try to determine the width of the terminal. struct winsize ws; + // Zero-fill ws to avoid a false positive from MemorySanitizer. + memset(&ws, 0, sizeof(ws)); if (ioctl(FileID, TIOCGWINSZ, &ws) == 0) Columns = ws.ws_col; #endif -- 2.11.0