+static int guess_num_buttons(const char *verstr)
+{
+ int major, minor;
+ const char *s, *model;
+
+ if((s = strstr(verstr, "Firmware version"))) { /* spaceball */
+
+ /* if we got a model number, guess based on that */
+ if((model = strchr(s, '('))) {
+ if(memcmp(model, "(Model ", 7) == 0) {
+ model += 7;
+ } else {
+ model++;
+ }
+ switch(atoi(model)) {
+ case 2003:
+ return 8;
+ case 3003:
+ return 2;
+ case 5000:
+ return 12;
+ default:
+ break;
+ }
+ }
+ /* try to guess based on firmware number */
+ if(sscanf(s + 17, "%d.%d", &major, &minor) == 2 && major == 2) {
+ if(minor == 35 || minor == 62 || minor == 63) {
+ return 2; /* spaceball 3003/3003C */
+ }
+ if(minor == 42 || minor == 43 || minor == 45) {
+ /* 2.42 is also used by spaceball 2003C, but this should be
+ * caught before we get here by the model number guess
+ */
+ return 12; /* spaceball 4000flx/5000flx-a */
+ }
+ if(minor == 2 || minor == 13 || minor == 15) {
+ return 8; /* spaceball 1003/2003/2003c */
+ }
+ }
+ }
+
+ if(strstr(verstr, "MAGELLAN")) {
+ return 9; /* magellan spacemouse */
+ }
+
+ if(strstr(verstr, "SPACEBALL")) {
+ return 12; /* spaceball 5000 */
+ }
+
+ if(strstr(verstr, "CadMan")) {
+ return 2;
+ }
+
+ fprintf(stderr, "Can't guess number of buttons, default to 8, report this as a bug!\n");
+ return 8;
+}
+