1 files changed, 21 insertions, 0 deletions
diff --git a/src/util/string.h b/src/util/string.h
index 76a83a4949..3db8fc8b98 100644
--- a/src/util/string.h
+++ b/src/util/string.h
@@ -5,9 +5,22 @@
 #ifndef BITCOIN_UTIL_STRING_H
 #define BITCOIN_UTIL_STRING_H
 
+#include <attributes.h>
+
+#include <cstring>
 #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
  *
@@ -31,4 +44,12 @@ inline std::string Join(const std::vector<std::string>& list, const std::string&
     return Join(list, separator, [](const std::string& i) { return i; });
 }
 
+/**
+ * Check if a string does not contain any embedded NUL (\0) characters
+ */
+NODISCARD inline bool ValidAsCString(const std::string& str) noexcept
+{
+    return str.size() == strlen(str.c_str());
+}
+
 #endif // BITCOIN_UTIL_STRENCODINGS_H