minor/coding style: removed spaces before line ending

src/include/lwip/arch.h

@@ -87,7 +87,7 @@ extern "C" {
 
 #ifndef LWIP_UNUSED_ARG
 #define LWIP_UNUSED_ARG(x) (void)x
-#endif /* LWIP_UNUSED_ARG */ 
+#endif /* LWIP_UNUSED_ARG */
 
 
 #ifdef LWIP_PROVIDE_ERRNO

src/include/lwip/autoip.h

@@ -40,7 +40,7 @@
  * Please coordinate changes and requests with Dominik Spies
  * <kontakt@dspies.de>
  */
- 
+
 #ifndef LWIP_HDR_AUTOIP_H
 #define LWIP_HDR_AUTOIP_H
 

src/include/lwip/debug.h

@@ -73,7 +73,7 @@
 #error "If you want to use LWIP_ASSERT, LWIP_PLATFORM_ASSERT(message) needs to be defined in your arch/cc.h"
 #endif
 #else  /* LWIP_NOASSERT */
-#define LWIP_ASSERT(message, assertion) 
+#define LWIP_ASSERT(message, assertion)
 #endif /* LWIP_NOASSERT */
 
 /** if "expression" isn't true, then print "message" and execute "handler" expression */
@@ -110,7 +110,7 @@
                              } while(0)
 
 #else  /* LWIP_DEBUG */
-#define LWIP_DEBUGF(debug, message) 
+#define LWIP_DEBUGF(debug, message)
 #endif /* LWIP_DEBUG */
 
 #endif /* LWIP_HDR_DEBUG_H */

src/include/lwip/def.h

@@ -61,7 +61,7 @@ extern "C" {
 #define LWIP_MAKE_U16(a, b) ((a << 8) | b)
 #else
 #define LWIP_MAKE_U16(a, b) ((b << 8) | a)
-#endif 
+#endif
 
 #ifndef LWIP_PLATFORM_BYTESWAP
 #define LWIP_PLATFORM_BYTESWAP 0

src/include/lwip/dhcp.h

@@ -45,11 +45,11 @@ extern "C" {
 #endif
 
 /** period (in seconds) of the application calling dhcp_coarse_tmr() */
-#define DHCP_COARSE_TIMER_SECS 60 
+#define DHCP_COARSE_TIMER_SECS 60
 /** period (in milliseconds) of the application calling dhcp_coarse_tmr() */
 #define DHCP_COARSE_TIMER_MSECS (DHCP_COARSE_TIMER_SECS * 1000UL)
 /** period (in milliseconds) of the application calling dhcp_fine_tmr() */
-#define DHCP_FINE_TIMER_MSECS 500 
+#define DHCP_FINE_TIMER_MSECS 500
 
 #define DHCP_CHADDR_LEN 16U
 #define DHCP_SNAME_LEN  64U
@@ -57,9 +57,9 @@ extern "C" {
 
 struct dhcp
 {
-  /** transaction identifier of last sent request */ 
+  /** transaction identifier of last sent request */
   u32_t xid;
-  /** our connection to the DHCP server */ 
+  /** our connection to the DHCP server */
   struct udp_pcb *pcb;
   /** incoming msg */
   struct dhcp_msg *msg_in;
@@ -86,7 +86,7 @@ struct dhcp
   ip4_addr_t offered_ip_addr;
   ip4_addr_t offered_sn_mask;
   ip4_addr_t offered_gw_addr;
- 
+
   u32_t offered_t0_lease; /* lease period (in seconds) */
   u32_t offered_t1_renew; /* recommended renew time (usually 50% of lease period) */
   u32_t offered_t2_rebind; /* recommended rebind time (usually 87.5 of lease period)  */
@@ -165,7 +165,7 @@ u8_t dhcp_supplied_address(struct netif *netif);
 void dhcp_coarse_tmr(void);
 /** to be called every half second */
 void dhcp_fine_tmr(void);
- 
+
 /** DHCP message item offsets and length */
 #define DHCP_OP_OFS       0
 #define DHCP_HTYPE_OFS    1
@@ -207,7 +207,7 @@ void dhcp_fine_tmr(void);
 /** AUTOIP cooperation flags */
 #define DHCP_AUTOIP_COOP_STATE_OFF  0
 #define DHCP_AUTOIP_COOP_STATE_ON   1
- 
+
 #define DHCP_BOOTREQUEST  1
 #define DHCP_BOOTREPLY    2
 
@@ -232,7 +232,7 @@ void dhcp_fine_tmr(void);
 #define DHCP_OPTION_PAD 0
 #define DHCP_OPTION_SUBNET_MASK 1 /* RFC 2132 3.3 */
 #define DHCP_OPTION_ROUTER 3
-#define DHCP_OPTION_DNS_SERVER 6 
+#define DHCP_OPTION_DNS_SERVER 6
 #define DHCP_OPTION_HOSTNAME 12
 #define DHCP_OPTION_IP_TTL 23
 #define DHCP_OPTION_MTU 26

src/include/lwip/igmp.h

@@ -64,7 +64,7 @@ extern "C" {
  * these should really be linked from the interface, but
  * if we keep them separate we will not affect the lwip original code
  * too much
- * 
+ *
  * There will be a group for the all systems group address but this 
  * will not run the state machine as it is used to kick off reports
  * from all the other groups

src/include/lwip/memp_std.h

@@ -15,7 +15,7 @@
 #define LWIP_MALLOC_MEMPOOL(num, size) LWIP_MEMPOOL(POOL_##size, num, (size + LWIP_MEM_ALIGN_SIZE(sizeof(struct memp_malloc_helper))), "MALLOC_"#size)
 #define LWIP_MALLOC_MEMPOOL_START
 #define LWIP_MALLOC_MEMPOOL_END
-#endif /* LWIP_MALLOC_MEMPOOL */ 
+#endif /* LWIP_MALLOC_MEMPOOL */
 
 #ifndef LWIP_PBUF_MEMPOOL
 /* This treats "pbuf pools" just like any other pool.

src/include/lwip/netif.h

@@ -364,7 +364,7 @@ void netif_set_remove_callback(struct netif *netif, netif_status_callback_fn rem
 
 void netif_set_link_up(struct netif *netif);
 void netif_set_link_down(struct netif *netif);
-/** Ask if a link is up */ 
+/** Ask if a link is up */
 #define netif_is_link_up(netif) (((netif)->flags & NETIF_FLAG_LINK_UP) ? (u8_t)1 : (u8_t)0)
 
 #if LWIP_NETIF_LINK_CALLBACK

src/include/lwip/netifapi.h

@@ -24,7 +24,6 @@
  * This file is part of the lwIP TCP/IP stack.
  * 
  */
- 
 #ifndef LWIP_HDR_NETIFAPI_H
 #define LWIP_HDR_NETIFAPI_H
 

src/include/lwip/opt.h

@@ -60,7 +60,7 @@
 #define SYS_LIGHTWEIGHT_PROT            0
 #endif
 
-/** 
+/**
  * NO_SYS==1: Provides VERY minimal functionality. Otherwise,
  * use lwIP facilities.
  */
@@ -193,7 +193,7 @@
 /**
  * MEMP_USE_CUSTOM_POOLS==1: whether to include a user file lwippools.h
  * that defines additional pools beyond the "standard" ones required
- * by lwIP. If you set this to 1, you must have lwippools.h in your 
+ * by lwIP. If you set this to 1, you must have lwippools.h in your
  * include path somewhere.
  */
 #ifndef MEMP_USE_CUSTOM_POOLS
@@ -343,7 +343,7 @@
 
 /**
  * MEMP_NUM_TCPIP_MSG_API: the number of struct tcpip_msg, which are used
- * for callback/timeout API communication. 
+ * for callback/timeout API communication.
  * (only needed if you use tcpip.c)
  */
 #ifndef MEMP_NUM_TCPIP_MSG_API
@@ -352,7 +352,7 @@
 
 /**
  * MEMP_NUM_TCPIP_MSG_INPKT: the number of struct tcpip_msg, which are used
- * for incoming packets. 
+ * for incoming packets.
  * (only needed if you use tcpip.c)
  */
 #ifndef MEMP_NUM_TCPIP_MSG_INPKT
@@ -443,7 +443,7 @@
 #endif
 
 /**
- * PBUF_POOL_SIZE: the number of buffers in the pbuf pool. 
+ * PBUF_POOL_SIZE: the number of buffers in the pbuf pool.
  */
 #ifndef PBUF_POOL_SIZE
 #define PBUF_POOL_SIZE                  16
@@ -509,7 +509,7 @@
 /** The maximum number of packets which may be queued for each
  *  unresolved address by other network layers. Defaults to 3, 0 means disabled.
  *  Old packets are dropped, new packets are queued.
- */ 
+ */
 #ifndef ARP_QUEUE_LEN
 #define ARP_QUEUE_LEN                   3
 #endif
@@ -903,7 +903,7 @@
 #endif
 
 /**
- * SNMP_PRIVATE_MIB: 
+ * SNMP_PRIVATE_MIB:
  * When using a private MIB, you have to create a file 'private_mib.h' that contains
  * a 'struct mib_array_node mib_private' which contains your MIB.
  */
@@ -1121,12 +1121,12 @@
 #endif
 
 /**
- * TCP_WND: The size of a TCP window.  This must be at least 
+ * TCP_WND: The size of a TCP window.  This must be at least
  * (2 * TCP_MSS) for things to work well
  */
 #ifndef TCP_WND
 #define TCP_WND                         (4 * TCP_MSS)
-#endif 
+#endif
 
 /**
  * TCP_MAXRTX: Maximum number of retransmissions of data segments.
@@ -2225,9 +2225,9 @@
  *
  * If set (=1), the default if required by another enabled PPP feature unless
  * explicitly set to 0, using included lwIP PolarSSL.
- * 
+ *
  * If clear (=0), not needed or using external PolarSSL.
- * 
+ *
  * Beware of the stack requirements which can be a lot larger if you are not
  * using our cleaned PolarSSL library.
  */
@@ -2495,14 +2495,14 @@
 #ifndef CHECKSUM_GEN_IP
 #define CHECKSUM_GEN_IP                 1
 #endif
- 
+
 /**
  * CHECKSUM_GEN_UDP==1: Generate checksums in software for outgoing UDP packets.
  */
 #ifndef CHECKSUM_GEN_UDP
 #define CHECKSUM_GEN_UDP                1
 #endif
- 
+
 /**
  * CHECKSUM_GEN_TCP==1: Generate checksums in software for outgoing TCP packets.
  */
@@ -2516,21 +2516,21 @@
 #ifndef CHECKSUM_GEN_ICMP
 #define CHECKSUM_GEN_ICMP               1
 #endif
- 
+
 /**
  * CHECKSUM_GEN_ICMP6==1: Generate checksums in software for outgoing ICMP6 packets.
  */
 #ifndef CHECKSUM_GEN_ICMP6
 #define CHECKSUM_GEN_ICMP6              1
 #endif
- 
+
 /**
  * CHECKSUM_CHECK_IP==1: Check checksums in software for incoming IP packets.
  */
 #ifndef CHECKSUM_CHECK_IP
 #define CHECKSUM_CHECK_IP               1
 #endif
- 
+
 /**
  * CHECKSUM_CHECK_UDP==1: Check checksums in software for incoming UDP packets.
  */

src/include/lwip/pbuf.h

@@ -196,7 +196,7 @@ u8_t pbuf_header(struct pbuf *p, s16_t header_size);
 u8_t pbuf_header_force(struct pbuf *p, s16_t header_size);
 void pbuf_ref(struct pbuf *p);
 u8_t pbuf_free(struct pbuf *p);
-u8_t pbuf_clen(struct pbuf *p);  
+u8_t pbuf_clen(struct pbuf *p);
 void pbuf_cat(struct pbuf *head, struct pbuf *tail);
 void pbuf_chain(struct pbuf *head, struct pbuf *tail);
 struct pbuf *pbuf_dechain(struct pbuf *p);

src/include/lwip/sio.h

@@ -53,7 +53,7 @@ typedef void * sio_fd_t;
 #ifndef sio_open
 /**
  * Opens a serial device for communication.
- * 
+ *
  * @param devnum device number
  * @return handle to serial device if successful, NULL otherwise
  */
@@ -63,10 +63,10 @@ sio_fd_t sio_open(u8_t devnum);
 #ifndef sio_send
 /**
  * Sends a single character to the serial device.
- * 
+ *
  * @param c character to send
  * @param fd serial device handle
- * 
+ *
  * @note This function will block until the character can be sent.
  */
 void sio_send(u8_t c, sio_fd_t fd);
@@ -75,9 +75,9 @@ void sio_send(u8_t c, sio_fd_t fd);
 #ifndef sio_recv
 /**
  * Receives a single character from the serial device.
- * 
+ *
  * @param fd serial device handle
- * 
+ *
  * @note This function will block until a character is received.
  */
 u8_t sio_recv(sio_fd_t fd);
@@ -86,12 +86,12 @@ u8_t sio_recv(sio_fd_t fd);
 #ifndef sio_read
 /**
  * Reads from the serial device.
- * 
+ *
  * @param fd serial device handle
  * @param data pointer to data buffer for receiving
  * @param len maximum length (in bytes) of data to receive
  * @return number of bytes actually received - may be 0 if aborted by sio_read_abort
- * 
+ *
  * @note This function will block until data can be received. The blocking
  * can be cancelled by calling sio_read_abort().
  */
@@ -102,7 +102,7 @@ u32_t sio_read(sio_fd_t fd, u8_t *data, u32_t len);
 /**
  * Tries to read from the serial device. Same as sio_read but returns
  * immediately if no data is available and never blocks.
- * 
+ *
  * @param fd serial device handle
  * @param data pointer to data buffer for receiving
  * @param len maximum length (in bytes) of data to receive
@@ -114,12 +114,12 @@ u32_t sio_tryread(sio_fd_t fd, u8_t *data, u32_t len);
 #ifndef sio_write
 /**
  * Writes to the serial device.
- * 
+ *
  * @param fd serial device handle
  * @param data pointer to data to send
  * @param len length (in bytes) of data to send
  * @return number of bytes actually sent
- * 
+ *
  * @note This function will block until all data can be sent.
  */
 u32_t sio_write(sio_fd_t fd, u8_t *data, u32_t len);
@@ -128,7 +128,7 @@ u32_t sio_write(sio_fd_t fd, u8_t *data, u32_t len);
 #ifndef sio_read_abort
 /**
  * Aborts a blocking sio_read() call.
- * 
+ *
  * @param fd serial device handle
  */
 void sio_read_abort(sio_fd_t fd);

src/include/lwip/snmp_structs.h

@@ -54,7 +54,7 @@ extern "C" {
 #endif
 
 /* MIB object instance */
-#define MIB_OBJECT_NONE 0 
+#define MIB_OBJECT_NONE 0
 #define MIB_OBJECT_SCALAR 1
 #define MIB_OBJECT_TAB 2
 
@@ -117,7 +117,7 @@ struct mib_scalar_node
   /** tests length and/or range BEFORE setting */
   u8_t (*set_test)(struct obj_def *od, u16_t len, void *value);
   /** sets object value, only to be called when set_test()  */
-  void (*set_value)(struct obj_def *od, u16_t len, void *value);  
+  void (*set_value)(struct obj_def *od, u16_t len, void *value);
 };
 
 /** describes an array entry (objid/node pair) */
@@ -191,7 +191,7 @@ struct mib_external_node
   u16_t (*get_value_a)(u8_t rid, struct obj_def *od, void *value);
   u8_t (*set_test_a)(u8_t rid, struct obj_def *od, u16_t len, void *value);
   void (*set_value_a)(u8_t rid, struct obj_def *od, u16_t len, void *value);
-  /** async Panic Close (agent returns error reply, 
+  /** async Panic Close (agent returns error reply,
       e.g. used for external transaction cleanup) */
   void (*get_object_def_pc)(u8_t rid, u8_t ident_len, s32_t *ident);
   void (*get_value_pc)(u8_t rid, struct obj_def *od);

src/include/lwip/sockets.h

@@ -425,7 +425,7 @@ typedef struct fd_set
 #endif /* FD_SET */
 
 /** LWIP_TIMEVAL_PRIVATE: if you want to use the struct timeval provided
- * by your system, set this to 0 and include <sys/time.h> in cc.h */ 
+ * by your system, set this to 0 and include <sys/time.h> in cc.h */
 #ifndef LWIP_TIMEVAL_PRIVATE
 #define LWIP_TIMEVAL_PRIVATE 1
 #endif

src/include/lwip/stats.h

@@ -53,7 +53,7 @@ extern "C" {
 #else
 #define STAT_COUNTER     u16_t
 #define STAT_COUNTER_F   U16_F
-#endif 
+#endif
 
 struct stats_proto {
   STAT_COUNTER xmit;             /* Transmitted packets. */

src/include/lwip/sys.h

@@ -84,7 +84,7 @@ typedef u8_t sys_mbox_t;
 /** sys_mbox_tryfetch() returns SYS_MBOX_EMPTY if appropriate.
  * For now we use the same magic value, but we allow this to change in future.
  */
-#define SYS_MBOX_EMPTY SYS_ARCH_TIMEOUT 
+#define SYS_MBOX_EMPTY SYS_ARCH_TIMEOUT
 
 #include "lwip/err.h"
 #include "arch/sys_arch.h"
@@ -123,7 +123,7 @@ void sys_mutex_lock(sys_mutex_t *mutex);
 void sys_mutex_unlock(sys_mutex_t *mutex);
 /** Delete a semaphore
  * @param mutex the mutex to delete */
-void sys_mutex_free(sys_mutex_t *mutex); 
+void sys_mutex_free(sys_mutex_t *mutex);
 #ifndef sys_mutex_valid
 /** Check if a mutex is valid/allocated: return 1 for valid, 0 for invalid */
 int sys_mutex_valid(sys_mutex_t *mutex);

src/include/lwip/tcp.h

@@ -191,7 +191,7 @@ struct tcp_pcb {
 
   /* ports are in host byte order */
   u16_t remote_port;
-  
+
   tcpflags_t flags;
 #define TF_ACK_DELAY   0x01U   /* Delayed ACK. */
 #define TF_ACK_NOW     0x02U   /* Immediate ACK. */
@@ -262,7 +262,7 @@ struct tcp_pcb {
   /* These are ordered by sequence number: */
   struct tcp_seg *unsent;   /* Unsent (queued) segments. */
   struct tcp_seg *unacked;  /* Sent but unacknowledged segments. */
-#if TCP_QUEUE_OOSEQ  
+#if TCP_QUEUE_OOSEQ
   struct tcp_seg *ooseq;    /* Received out of sequence segments. */
 #endif /* TCP_QUEUE_OOSEQ */
 
@@ -292,7 +292,7 @@ struct tcp_pcb {
   u32_t keep_intvl;
   u32_t keep_cnt;
 #endif /* LWIP_TCP_KEEPALIVE */
-  
+
   /* Persist timer counter */
   u8_t persist_cnt;
   /* Persist timer back-off */

src/include/lwip/tcp_impl.h

@@ -289,7 +289,7 @@ struct tcp_seg {
   u16_t oversize_left;     /* Extra bytes available at the end of the last
                               pbuf in unsent (used for asserting vs.
                               tcp_pcb.unsent_oversized only) */
-#endif /* TCP_OVERSIZE_DBGCHECK */ 
+#endif /* TCP_OVERSIZE_DBGCHECK */
 #if TCP_CHECKSUM_ON_COPY
   u16_t chksum;
   u8_t  chksum_swapped;
@@ -350,7 +350,7 @@ extern u8_t tcp_active_pcbs_changed;
 
 /* The TCP PCB lists. */
 union tcp_listen_pcbs_t { /* List of all TCP PCBs in LISTEN state. */
-  struct tcp_pcb_listen *listen_pcbs; 
+  struct tcp_pcb_listen *listen_pcbs;
   struct tcp_pcb *pcbs;
 };
 extern struct tcp_pcb *tcp_bound_pcbs;
@@ -362,7 +362,7 @@ extern struct tcp_pcb *tcp_tw_pcbs;      /* List of all TCP PCBs in TIME-WAIT. *
 
 extern struct tcp_pcb *tcp_tmp_pcb;      /* Only used for temporary storage. */
 
-/* Axioms about the above lists:   
+/* Axioms about the above lists:
    1) Every TCP PCB that is not CLOSED is in one of the lists.
    2) A PCB is only in one of the lists.
    3) All PCBs in the tcp_listen_pcbs list is in LISTEN state.

src/include/netif/slipif.h

@@ -76,6 +76,6 @@ void slipif_received_bytes(struct netif *netif, u8_t *data, u8_t len);
 #ifdef __cplusplus
 }
 #endif
- 
+
 #endif /* LWIP_HDR_NETIF_SLIPIF_H */