dwm update in progress

dwm/.dwm.old/patch/fsignal.c

@@ -0,0 +1,41 @@
+int
+fake_signal(void)
+{
+	char fsignal[256];
+	char indicator[9] = "fsignal:";
+	char str_signum[16];
+	int i, v, signum;
+	size_t len_fsignal, len_indicator = strlen(indicator);
+
+	// Get root name property
+	if (gettextprop(root, XA_WM_NAME, fsignal, sizeof(fsignal))) {
+		len_fsignal = strlen(fsignal);
+
+		// Check if this is indeed a fake signal
+		if (len_indicator > len_fsignal ? 0 : strncmp(indicator, fsignal, len_indicator) == 0) {
+			memcpy(str_signum, &fsignal[len_indicator], len_fsignal - len_indicator);
+			str_signum[len_fsignal - len_indicator] = '\0';
+
+			// Convert string value into managable integer
+			for (i = signum = 0; i < strlen(str_signum); i++) {
+				v = str_signum[i] - '0';
+				if (v >= 0 && v <= 9) {
+					signum = signum * 10 + v;
+				}
+			}
+
+			// Check if a signal was found, and if so handle it
+			if (signum)
+				for (i = 0; i < LENGTH(signals); i++)
+					if (signum == signals[i].signum && signals[i].func)
+						signals[i].func(&(signals[i].arg));
+
+			// A fake signal was sent
+			return 1;
+		}
+	}
+
+	// No fake signal was sent, so proceed with update
+	return 0;
+}
+