From 763b2981b45dd474fdc51d7d6b38f5b28b73c572 Mon Sep 17 00:00:00 2001
From: Evgeniy Stepanov <eugeni.stepanov@gmail.com>
Date: Thu, 14 Feb 2013 08:22:06 +0000
Subject: [PATCH] [sanitizer] Raise argv limit for ReExec.

We are still limited by /proc/*/cmdline size (4Kb max on Linux!).

llvm-svn: 175145
---
 compiler-rt/lib/sanitizer_common/sanitizer_linux.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/compiler-rt/lib/sanitizer_common/sanitizer_linux.cc b/compiler-rt/lib/sanitizer_common/sanitizer_linux.cc
index 70f330a..691ce19 100644
--- a/compiler-rt/lib/sanitizer_common/sanitizer_linux.cc
+++ b/compiler-rt/lib/sanitizer_common/sanitizer_linux.cc
@@ -254,7 +254,7 @@ static void ReadNullSepFileToArray(const char *path, char ***arr,
 }
 
 void ReExec() {
-  static const int kMaxArgv = 100, kMaxEnvp = 1000;
+  static const int kMaxArgv = 2000, kMaxEnvp = 2000;
   char **argv, **envp;
   ReadNullSepFileToArray("/proc/self/cmdline", &argv, kMaxArgv);
   ReadNullSepFileToArray("/proc/self/environ", &envp, kMaxEnvp);
-- 
2.7.4