commit 6c1d089dd9e826517134abf2c2799db3bca1618b
author Fangrui Song <i@maskray.me> Mon Oct 12 09:57:12 2020 -0700
committer Copybara-Service <copybara-worker@google.com> Tue Oct 20 12:25:53 2020 -0700
tree 9b1b479948e79a22fe3eddd72909f061dcbd8fcc
parent c2ecaa8c00b463ba83cf5664729ef55c4a3500ef

[compiler-rt] Suppress -Wunused-result due to ::write when _FORTIFY_SOURCE>0 in glibc

Noticed by Peter Foley.
In glibc, ::write is declared as __attribute__((__warn_unused_result__)) when __USE_FORTIFY_LEVEL is larger than 0.

GitOrigin-RevId: 1ef0e94d5b0206f69e4e822c6828d0b5121c11fb

linux.cpp

diff --git a/linux.cpp b/linux.cpp
index 69ffdd9..12f3da6 100644
--- a/linux.cpp
+++ b/linux.cpp
@@ -198,7 +198,7 @@
     }
     async_safe_write_log(AndroidLogInfo, "scudo", Buffer);
   } else {
-    write(2, Buffer, strlen(Buffer));
+    (void)write(2, Buffer, strlen(Buffer));
   }
 }