Fix indent

src/fd_utils.c

@@ -10,9 +10,11 @@
 int uc_set_nonblocking(int fd)
 {
     int flags = fcntl(fd,F_GETFL,NULL);
+
     if(flags < 0 ) {
         return flags;
     }
+
     return fcntl(fd,F_SETFL,flags | O_NONBLOCK);
 }
 
@@ -30,7 +32,6 @@ int uc_set_reuseaddr(int sockfd)
 {
     int opt = 1;
     return setsockopt(sockfd, SOL_SOCKET, SO_REUSEADDR, (char *)&opt, sizeof(opt));
-
 }
 
 int uc_set_tcp_keepalive(int sockfd)
@@ -51,7 +52,6 @@ int uc_set_tcp_keepalive_cfg(int sockfd, const struct UCKeepConfig *cfg)
     }
 
     //set the keepalive options
-
     rc = setsockopt(sockfd, SOL_TCP, TCP_KEEPCNT, &cfg->keepcnt, sizeof cfg->keepcnt);
     if (rc != 0) {
         return rc;
@@ -70,7 +70,6 @@ int uc_set_tcp_keepalive_cfg(int sockfd, const struct UCKeepConfig *cfg)
     return 0;
 }
 
-
 int uc_set_send_timeout(int sockfd,long timeoutms)
 {
     struct timeval so_sndtimeo = {timeoutms/1000,(timeoutms%1000)*1000};
@@ -85,15 +84,18 @@ int uc_set_receive_timeout(int sockfd,long timeoutms)
     return setsockopt(sockfd, SOL_SOCKET, SO_RCVTIMEO, &so_sndtimeo, sizeof(so_sndtimeo));
 }
 
-int uc_set_ip_dscp(int fd, unsigned int dscp) {
+int uc_set_ip_dscp(int fd, unsigned int dscp)
+{
     int val;
 
+    //only 6 bits for dscp
     if (dscp > 63) {
         errno = EINVAL;
         return -1;
     }
 
     val = dscp << 2;
+
     return setsockopt(fd, IPPROTO_IP, IP_TOS, &val, sizeof val);
 }