cmSystemTool: Let TrimWhitespace accept a cm::string_view
diff --git a/Source/cmSystemTools.cxx b/Source/cmSystemTools.cxx
index de68bf4..e0005a0 100644
--- a/Source/cmSystemTools.cxx
+++ b/Source/cmSystemTools.cxx
@@ -197,16 +197,16 @@
return name;
}
-std::string cmSystemTools::TrimWhitespace(const std::string& s)
+std::string cmSystemTools::TrimWhitespace(cm::string_view str)
{
- std::string::const_iterator start = s.begin();
- while (start != s.end() && cm_isspace(*start)) {
+ auto start = str.begin();
+ while (start != str.end() && cm_isspace(*start)) {
++start;
}
- if (start == s.end()) {
- return "";
+ if (start == str.end()) {
+ return std::string();
}
- std::string::const_iterator stop = s.end() - 1;
+ auto stop = str.end() - 1;
while (cm_isspace(*stop)) {
--stop;
}
diff --git a/Source/cmSystemTools.h b/Source/cmSystemTools.h
index 46eab57..ac1aa80 100644
--- a/Source/cmSystemTools.h
+++ b/Source/cmSystemTools.h
@@ -86,7 +86,7 @@
/**
* Returns a string that has whitespace removed from the start and the end.
*/
- static std::string TrimWhitespace(const std::string& s);
+ static std::string TrimWhitespace(cm::string_view str);
using MessageCallback = std::function<void(const std::string&, const char*)>;
/**
