Moved string termination out of main loop

src/profanity.c

@@ -116,7 +116,6 @@ prof_run(const int disable_tls, char *log_level, char *account_name)
             ui_update();
         }
 
-        inp[size++] = '\0';
         cmd_result = process_input(inp);
     }
 }

src/ui/core.c

@@ -193,6 +193,10 @@ ui_get_char(char *input, int *size)
         ui_input_nonblocking(FALSE);
     }
 
+    if (ch == '\n') {
+        input[*size++] = '\0';
+    }
+
     return (ch != '\n');
 }