+
+/* Parses SILC protocol style version string. */
+
+bool silc_parse_version_string(const char *version,
+ SilcUInt32 *protocol_version,
+ char **protocol_version_string,
+ SilcUInt32 *software_version,
+ char **software_version_string,
+ char **vendor_version)
+{
+ char *cp, buf[32];
+ int maj = 0, min = 0;
+
+ if (!strstr(version, "SILC-"))
+ return FALSE;
+
+ cp = (char *)version + 5;
+ if (!cp)
+ return FALSE;
+
+ /* Take protocol version */
+
+ maj = atoi(cp);
+ cp = strchr(cp, '.');
+ if (cp) {
+ min = atoi(cp + 1);
+ cp++;
+ }
+
+ memset(buf, 0, sizeof(buf));
+ snprintf(buf, sizeof(buf) - 1, "%d%d", maj, min);
+ if (protocol_version)
+ *protocol_version = atoi(buf);
+ memset(buf, 0, sizeof(buf));
+ snprintf(buf, sizeof(buf) - 1, "%d.%d", maj, min);
+ if (protocol_version_string)
+ *protocol_version_string = strdup(buf);
+
+ /* Take software version */
+
+ maj = 0;
+ min = 0;
+ cp = strchr(cp, '-');
+ if (!cp)
+ return FALSE;
+
+ maj = atoi(cp + 1);
+ cp = strchr(cp, '.');
+ if (cp)
+ min = atoi(cp + 1);
+
+ memset(buf, 0, sizeof(buf));
+ snprintf(buf, sizeof(buf) - 1, "%d%d", maj, min);
+ if (software_version)
+ *software_version = atoi(buf);
+ memset(buf, 0, sizeof(buf));
+ snprintf(buf, sizeof(buf) - 1, "%d.%d", maj, min);
+ if (software_version_string)
+ *software_version_string = strdup(buf);
+
+ /* Take vendor string */
+
+ cp++;
+ if (cp) {
+ cp = strchr(cp, '.');
+ if (cp && cp + 1 && vendor_version)
+ *vendor_version = strdup(cp + 1);
+ }
+
+ return TRUE;
+}
+
+/* Converts version string x.x into number representation. */
+
+SilcUInt32 silc_version_to_num(const char *version)
+{
+ int maj = 0, min = 0;
+ char *cp, buf[32];
+
+ if (!version)
+ return 0;
+
+ cp = (char *)version;
+ maj = atoi(cp);
+ cp = strchr(cp, '.');
+ if (cp)
+ min = atoi(cp + 1);
+
+ memset(buf, 0, sizeof(buf));
+ snprintf(buf, sizeof(buf) - 1, "%d%d", maj, min);
+ return (SilcUInt32)atoi(buf);
+}