~foura/wired: prevent blank messages being sent.

9147e8fd46653341e51a7c77f83fd42c06588d6a — james palmer 10 months ago f5bdf0d

prevent blank messages being sent.

this would be handled by the condition of the while loop
however if the input window only contains newlines and EOT chars,
the filtered message would be empty so the case must be handled explicitly.

patch browse

1 files changed, 9 insertions(+), 1 deletions(-)

M main.c

M main.c => main.c +9 -1

@@ 143,7 143,15 @@ writemessage(char *prefix, AWin *win)
 	 * hopefully nobody needs a message that large */
 	fprint(win->addrfd, ",");
 	while((n = read(win->datafd, buf, sizeof(buf)-1)) > 0) {
-		buf[n] = '\0'; filter(buf); /* null terminate and filter */
+
+		/* null terminate and filter */
+		buf[n] = '\0'; 
+		filter(buf); 
+
+		/* no blank messages */
+		if(buf[0] == 0)
+			return;
+
 		fprint(fd, "%s %s\n", prefix, buf);
 	};