From 324ab5974c88873c61c8c872097650f3f82008fe Mon Sep 17 00:00:00 2001
From: Chris Kennelly <ckennelly@google.com>
Date: Wed, 16 Dec 2020 08:30:14 -0800
Subject: [PATCH] Optimize calls to std::string::find() and friends for a
 single char.

The character literal overload is more efficient.

PiperOrigin-RevId: 347827459
Change-Id: I91ab1c5ea699886b6c15ad5016338063e0c98f40
---
 sandboxed_api/sandbox2/network_proxy/filtering.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sandboxed_api/sandbox2/network_proxy/filtering.cc b/sandboxed_api/sandbox2/network_proxy/filtering.cc
index aac47df..7984199 100644
--- a/sandboxed_api/sandbox2/network_proxy/filtering.cc
+++ b/sandboxed_api/sandbox2/network_proxy/filtering.cc
@@ -98,7 +98,7 @@ static absl::Status ParseIpAndMask(const std::string& ip_and_mask,
   }
   std::string mask_or_cidr = ip_and_mask_split[1];
 
-  const bool has_dot = mask_or_cidr.find(".") == absl::string_view::npos;
+  const bool has_dot = mask_or_cidr.find('.') == absl::string_view::npos;
   if (has_dot) {  // mask_or_cidr is cidr
     bool res = absl::SimpleAtoi<uint32_t>(mask_or_cidr, cidr);
     if (!res || !*cidr) {