From d45cd9a35bd1e456d69132335d1f7628578b7f8b Mon Sep 17 00:00:00 2001
From: Marco Bubke <marco.bubke@qt.io>
Date: Mon, 21 Aug 2017 09:47:15 +0200
Subject: [PATCH] Utils: Use C string functions

They are better optimized.

Change-Id: I6db1c94d283ee9f3f1555ce02b9b42d38003e2d0
Reviewed-by: Tim Jenssen <tim.jenssen@qt.io>
---
 src/libs/utils/smallstring.h | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/src/libs/utils/smallstring.h b/src/libs/utils/smallstring.h
index 6c4fb74755d..0a0b77a0ab3 100644
--- a/src/libs/utils/smallstring.h
+++ b/src/libs/utils/smallstring.h
@@ -367,19 +367,17 @@ public:
         return BasicSmallString(utf8ByteArray.constData(), uint(utf8ByteArray.size()));
     }
 
+    // precondition: has to be null terminated
     bool contains(SmallStringView subStringToSearch) const
     {
-        auto found = std::search(begin(),
-                                 end(),
-                                 subStringToSearch.begin(),
-                                 subStringToSearch.end());
+        const char *found = std::strstr(data(), subStringToSearch.data());
 
-        return found != end();
+        return found != nullptr;
     }
 
     bool contains(char characterToSearch) const
     {
-        auto found = std::strchr(data(), characterToSearch);
+        auto found = std::memchr(data(), characterToSearch, size());
 
         return found != nullptr;
     }