*: add "noexcept" to many, many function prototypes

This eliminates some overhead, because the compiler doesn't need to
consider these functions throwing.

3 files changed, 12 insertions, 12 deletions

diff --git a/src/lib/upnp/Discovery.cxx b/src/lib/upnp/Discovery.cxx
index 024658683..121c01c57 100644
--- a/src/lib/upnp/Discovery.cxx
+++ b/src/lib/upnp/Discovery.cxx
@@ -36,7 +36,7 @@ static constexpr char ContentDirectorySType[] = "urn:schemas-upnp-org:service:Co
 // version 1
 gcc_pure
 static bool
-isCDService(const char *st)
+isCDService(const char *st) noexcept
 {
 	constexpr size_t sz = sizeof(ContentDirectorySType) - 3;
 	return memcmp(ContentDirectorySType, st, sz) == 0;
@@ -47,7 +47,7 @@ static constexpr char MediaServerDType[] = "urn:schemas-upnp-org:device:MediaSer
 
 gcc_pure
 static bool
-isMSDevice(const char *st)
+isMSDevice(const char *st) noexcept
 {
 	constexpr size_t sz = sizeof(MediaServerDType) - 3;
 	return memcmp(MediaServerDType, st, sz) == 0;
diff --git a/src/lib/upnp/Util.cxx b/src/lib/upnp/Util.cxx
index 61c11719d..b6cd4189e 100644
--- a/src/lib/upnp/Util.cxx
+++ b/src/lib/upnp/Util.cxx
@@ -23,7 +23,7 @@
 
 /** Get rid of white space at both ends */
 void
-trimstring(std::string &s, const char *ws)
+trimstring(std::string &s, const char *ws) noexcept
 {
 	auto pos = s.find_first_not_of(ws);
 	if (pos == std::string::npos) {
@@ -38,14 +38,14 @@ trimstring(std::string &s, const char *ws)
 }
 
 static void
-path_catslash(std::string &s)
+path_catslash(std::string &s) noexcept
 {
 	if (s.empty() || s.back() != '/')
 		s += '/';
 }
 
 std::string
-path_getfather(const std::string &s)
+path_getfather(const std::string &s) noexcept
 {
 	std::string father = s;
 
@@ -71,7 +71,7 @@ path_getfather(const std::string &s)
 
 std::list<std::string>
 stringToTokens(const std::string &str,
-	       const char delim)
+	       const char delim) noexcept
 {
 	std::list<std::string> tokens;
 
@@ -105,7 +105,7 @@ stringToTokens(const std::string &str,
 
 template <class T>
 bool
-csvToStrings(const char *s, T &tokens)
+csvToStrings(const char *s, T &tokens) noexcept
 {
 	assert(tokens.empty());
 
@@ -132,4 +132,4 @@ csvToStrings(const char *s, T &tokens)
 	}
 }
 
-template bool csvToStrings<std::list<std::string>>(const char *, std::list<std::string> &);
+template bool csvToStrings<std::list<std::string>>(const char *, std::list<std::string> &) noexcept;
diff --git a/src/lib/upnp/Util.hxx b/src/lib/upnp/Util.hxx
index b935611ec..5ff2710a6 100644
--- a/src/lib/upnp/Util.hxx
+++ b/src/lib/upnp/Util.hxx
@@ -26,17 +26,17 @@
 #include <list>
 
 void
-trimstring(std::string &s, const char *ws = " \t\n");
+trimstring(std::string &s, const char *ws = " \t\n") noexcept;
 
 std::string
-path_getfather(const std::string &s);
+path_getfather(const std::string &s) noexcept;
 
 gcc_pure
 std::list<std::string>
-stringToTokens(const std::string &str, char delim);
+stringToTokens(const std::string &str, char delim) noexcept;
 
 template <class T>
 bool
-csvToStrings(const char *s, T &tokens);
+csvToStrings(const char *s, T &tokens) noexcept;
 
 #endif /* _UPNPP_H_X_INCLUDED_ */