From: Julian Fessard <julian.fessard@oculus.com>
Date: Wed, 10 Oct 2018 00:14:57 +0000 (-0700)
Subject: fileio.c: Disable backtrace when built with address sanitizer
X-Git-Tag: v1.3.7~7^2~2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=70d8c2a0313deb2a64b549a80fad4eb63596dec2;p=thirdparty%2Fzstd.git

fileio.c: Disable backtrace when built with address sanitizer

Covers clang and gcc's sanitizer flags.
Can still be overridden through CFLAGS on commandline.
---

diff --git a/programs/fileio.c b/programs/fileio.c
index 8b1e9f2f2..a2d5af2c4 100644
--- a/programs/fileio.c
+++ b/programs/fileio.c
@@ -20,6 +20,14 @@
 #  define _POSIX_SOURCE 1          /* disable %llu warnings with MinGW on Windows */
 #endif
 
+#if defined(__has_feature) && !defined(BACKTRACE_ENABLE) /* Clang compiler */
+#  if (__has_feature(address_sanitizer))
+#    define BACKTRACE_ENABLE 0
+#  endif /* __has_feature(address_sanitizer) */
+#elif defined(__SANITIZE_ADDRESS__) && !defined(BACKTRACE_ENABLE) /* GCC compiler */
+#  define BACKTRACE_ENABLE 0
+#endif
+
 #if !defined(BACKTRACE_ENABLE)          \
    && ((defined(__linux__) && defined(__GLIBC__)) \
        || (defined(__APPLE__) && defined(__MACH__)) )