1 files changed, 78 insertions, 0 deletions
diff --git a/src/utilfuns/swversion.cpp b/src/utilfuns/swversion.cpp
new file mode 100644
index 0000000..48c85ff
--- /dev/null
+++ b/src/utilfuns/swversion.cpp
@@ -0,0 +1,78 @@
+#include <swversion.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+
+SWVersion SWVersion::currentVersion(SWORDVER);
+
+/******************************************************************************
+ * SWVersion c-tor - Constructs a new SWVersion
+ *
+ * ENT:	version	- const version string
+ */
+
+SWVersion::SWVersion(const char *version) {
+	char *buf = new char[ strlen(version) + 1 ];
+	char *tok;
+	major = minor = minor2 = minor3 = -1;
+		
+	strcpy(buf, version);
+	tok = strtok(buf, ".");
+	if (tok)
+		major = atoi(tok);
+	tok = strtok(0, ".");
+	if (tok)
+		minor = atoi(tok);
+	tok = strtok(0, ".");
+	if (tok)
+		minor2 = atoi(tok);
+	tok = strtok(0, ".");
+	if (tok)
+		minor3 = atoi(tok);
+	delete [] buf;
+}
+
+
+/******************************************************************************
+ * compare - compares this version to another version
+ *
+ * ENT:	vi	- other version with which to compare
+ *
+ * RET:	= 0 if equal;
+ * 		< 0 if this version is less than other version;
+ * 		> 0 if this version is greater than other version
+ */
+
+int SWVersion::compare(const SWVersion &vi) const {
+	if (major == vi.major)
+		if (minor == vi.minor)
+			if (minor2 == vi.minor2)
+				if (minor3 == vi.minor3)
+					return 0;
+				else return minor3 - vi.minor3;
+			else	return minor2 - vi.minor2;
+		else	return minor - vi.minor;
+	else	return major - vi.major;
+}
+
+
+const char *SWVersion::getText() const {
+
+	// 255 is safe because there is no way 4 integers (plus 3 '.'s) can have
+	// a string representation that will overrun this buffer
+	static char buf[255];
+
+	if (minor > -1) {
+		if (minor2 > -1) {
+			if (minor3 > -1) {
+				sprintf(buf, "%d.%d.%d.%d", major, minor, minor2, minor3);
+			}
+			else	sprintf(buf, "%d.%d.%d", major, minor, minor2);
+		}
+		else	sprintf(buf, "%d.%d", major, minor);
+	}
+	else	sprintf(buf, "%d", major);
+
+	return buf;
+}