From 32e27129ff26c7cc10321652d5d2678876081983 Mon Sep 17 00:00:00 2001
From: practicalswift <practicalswift@users.noreply.github.com>
Date: Wed, 11 Dec 2019 09:55:00 +0000
Subject: util: Move TrimString(...). Introduce default pattern (trims
 whitespace). Add NODISCARD.

---
 src/util/string.h   | 10 ++++++++++
 src/util/system.cpp | 11 +----------
 2 files changed, 11 insertions(+), 10 deletions(-)

(limited to 'src')

diff --git a/src/util/string.h b/src/util/string.h
index c6fa08e5b3..3db8fc8b98 100644
--- a/src/util/string.h
+++ b/src/util/string.h
@@ -11,6 +11,16 @@
 #include <string>
 #include <vector>
 
+NODISCARD inline std::string TrimString(const std::string& str, const std::string& pattern = " \f\n\r\t\v")
+{
+    std::string::size_type front = str.find_first_not_of(pattern);
+    if (front == std::string::npos) {
+        return std::string();
+    }
+    std::string::size_type end = str.find_last_not_of(pattern);
+    return str.substr(front, end - front + 1);
+}
+
 /**
  * Join a list of items
  *
diff --git a/src/util/system.cpp b/src/util/system.cpp
index 563ff6a54b..95458672ed 100644
--- a/src/util/system.cpp
+++ b/src/util/system.cpp
@@ -7,6 +7,7 @@
 
 #include <chainparamsbase.h>
 #include <util/strencodings.h>
+#include <util/string.h>
 #include <util/translation.h>
 
 
@@ -679,16 +680,6 @@ fs::path GetConfigFile(const std::string& confPath)
     return AbsPathForConfigVal(fs::path(confPath), false);
 }
 
-static std::string TrimString(const std::string& str, const std::string& pattern)
-{
-    std::string::size_type front = str.find_first_not_of(pattern);
-    if (front == std::string::npos) {
-        return std::string();
-    }
-    std::string::size_type end = str.find_last_not_of(pattern);
-    return str.substr(front, end - front + 1);
-}
-
 static bool GetConfigOptions(std::istream& stream, const std::string& filepath, std::string& error, std::vector<std::pair<std::string, std::string>>& options, std::list<SectionInfo>& sections)
 {
     std::string str, prefix;
-- 
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