fix trim issue in frontend input

csc17103 · Aug 18, 2024 · 7c96027 · 7c96027
1 parent 70a0d57
commit 7c96027
Showing 1 changed file with 10 additions and 2 deletions.
diff --git a/src/util/Utils.cpp b/src/util/Utils.cpp
@@ -168,11 +168,19 @@ std::vector<std::string> Utils::getHostListFromProperties() {
 }
 
 static inline std::string trim_right_copy(const std::string &s, const std::string &delimiters) {
-    return s.substr(0, s.find_last_not_of(delimiters) + 1);
+    size_t end = s.find_last_not_of(delimiters);
+    if (end == std::string::npos) {
+        return "";  // Return empty string if all characters are delimiters
+    }
+    return s.substr(0, end + 1);
 }
 
 static inline std::string trim_left_copy(const std::string &s, const std::string &delimiters) {
-    return s.substr(s.find_first_not_of(delimiters));
+    size_t start = s.find_first_not_of(delimiters);
+    if (start == std::string::npos) {
+        return "";  // Return empty string if all characters are delimiters
+    }
+    return s.substr(start);
 }
 
 std::string Utils::trim_copy(const std::string &s, const std::string &delimiters) {