From f611927f14726574b3af85373ee856854cb6010a Mon Sep 17 00:00:00 2001
From: David Garcia Quintas <dgq@google.com>
Date: Sat, 12 Sep 2015 17:02:30 -0700
Subject: [PATCH] Fixed compilation with -Wsign-conversion on mac

---
 src/core/support/log_posix.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/core/support/log_posix.c b/src/core/support/log_posix.c
index 021c4666d41..8b050dbee70 100644
--- a/src/core/support/log_posix.c
+++ b/src/core/support/log_posix.c
@@ -64,7 +64,7 @@ void gpr_log(const char *file, int line, gpr_log_severity severity,
   } else {
     message = allocated = gpr_malloc((size_t)ret + 1);
     va_start(args, format);
-    vsnprintf(message, ret + 1, format, args);
+    vsnprintf(message, (size_t)(ret + 1), format, args);
     va_end(args);
   }
   gpr_log_message(file, line, severity, message);