add bspwm module

Makefile

@@ -0,0 +1,5 @@
+bspc:
+	cc bspc.c -o bspc -lxcb
+
+clean:
+	rm bspc

bspc.c

@@ -129,7 +129,7 @@ char *copy_string(char *str, size_t len)
 {
 	char *cpy = calloc(1, ((len+1) * sizeof(char)));
 	if (cpy == NULL) {
-		perror("Copy string: calloc");
+		perror("Copy string: callow");
 		return NULL;
 	}
 	strncpy(cpy, str, len);
@@ -216,7 +216,8 @@ char *send_msg_to_bspwm(char *args[], int count)
 {
 	int sock_fd;
 	struct sockaddr_un sock_address;
-	char msg[BUFSIZ], rsp[BUFSIZ];
+	char msg[BUFSIZ];
+	static char rsp[BUFSIZ];
 
 	sock_address.sun_family = AF_UNIX;
 	char *sp;
@@ -263,7 +264,7 @@ char *send_msg_to_bspwm(char *args[], int count)
 		if (fds[0].revents & POLLIN) {
 			if ((nb = recv(sock_fd, rsp, sizeof(rsp)-1, 0)) > 0) {
 				rsp[nb] = '\0';
-				return strdup(rsp);
+				return rsp;
 			} else {
 				break;
 			}
@@ -278,9 +279,42 @@ char *send_msg_to_bspwm(char *args[], int count)
 }
 
 int main(void) {
-	char *text[] = {"query", "-D", "-d", ".occupied", "--names"};
+	char finalbuffer[64], currentdesktop[2];
+	char *occupied[] = {"query", "-D", "-d", ".occupied", "--names"};
+	char *focused[] = {"query", "-D", "-d", ".focused", "--names"};
+	char *result;
+	char current;
 	int count = 5;
 
-	char *hi = send_msg_to_bspwm(text, count);
+	result = send_msg_to_bspwm(occupied, count);
-	printf("%s", hi);
+	if(!result) {
+		printf("error: sending message to bspwm failed!\n");
+
+		return 1;
+	}
+
+	memcpy(&finalbuffer, result, 64);
+
+	result = send_msg_to_bspwm(focused, count);
+	if(!result) {
+		printf("error: sending message to bspwm failed!\n");
+
+		return 1;
+	}
+
+	memcpy(&currentdesktop, result, 2);
+	*(currentdesktop + 1) = '\0';
+
+	result = finalbuffer;
+	for(int i = 0; i < 64; i++) {
+		current = *(finalbuffer + i);
+		if(current == '\0') break;
+		if(isdigit(current) && *currentdesktop == current)
+			*(finalbuffer + i + 1) = '<';
+		if(current == '\n')
+			current = ' ';
+	}
+	printf("%s", finalbuffer);
+
+	return 0;
 }