Added startswith and endswith methods to SString.

2 files changed, 19 insertions, 1 deletions

diff --git a/include/SString.h b/include/SString.h
index 63930189c..3efb84a03 100644
--- a/include/SString.h
+++ b/include/SString.h
@@ -144,7 +144,7 @@ public:
 	 * starting at @a pos, the string is just truncated at @a pos.
 	 */
 	void remove(lenpos_t pos, lenpos_t len);
-	
+
 	SString &change(lenpos_t pos, char ch) {
 		if (pos < sLen) {					// character changed must be in string bounds
 			*(s + pos) = ch;
@@ -155,6 +155,8 @@ public:
 	int value() const {
 		return s ? atoi(s) : 0;
 	}
+	bool startswith(const char *prefix);
+	bool endswith(const char *suffix);
 	int search(const char *sFind, lenpos_t start=0) const;
 	bool contains(const char *sFind) {
 		return search(sFind) >= 0;
diff --git a/src/PropSet.cxx b/src/PropSet.cxx
index a1ed39da6..32ec59626 100644
--- a/src/PropSet.cxx
+++ b/src/PropSet.cxx
@@ -247,6 +247,22 @@ void SString::remove(lenpos_t pos, lenpos_t len) {
 	}
 }
 
+bool SString::startswith(const char *prefix) {
+	lenpos_t lenPrefix = strlen(prefix);
+	if (lenPrefix > sLen) {
+		return false;
+	}
+	return strncmp(s, prefix, lenPrefix) == 0;
+}
+
+bool SString::endswith(const char *suffix) {
+	lenpos_t lenSuffix = strlen(suffix);
+	if (lenSuffix > sLen) {
+		return false;
+	}
+	return strncmp(s + sLen - lenSuffix, suffix, lenSuffix) == 0;
+}
+
 int SString::search(const char *sFind, lenpos_t start) const {
 	if (start < sLen) {
 		const char *sFound = strstr(s + start, sFind);