minor: whitespace cleanups

src/include/lwip/api.h

@@ -327,7 +327,7 @@ err_t   netconn_gethostbyname(const char *name, ip_addr_t *addr);
 
 #if LWIP_IPV6
 /** @ingroup netconn_common
- * TCP: Set the IPv6 ONLY status of netconn calls (see NETCONN_FLAG_IPV6_V6ONLY) 
+ * TCP: Set the IPv6 ONLY status of netconn calls (see NETCONN_FLAG_IPV6_V6ONLY)
  */
 #define netconn_set_ipv6only(conn, val)  do { if(val) { \
   (conn)->flags |= NETCONN_FLAG_IPV6_V6ONLY; \

src/include/lwip/apps/mdns_opts.h

@@ -36,7 +36,7 @@
  */
 
 #ifndef LWIP_HDR_APPS_MDNS_OPTS_H
-#define	LWIP_HDR_APPS_MDNS_OPTS_H
+#define LWIP_HDR_APPS_MDNS_OPTS_H
 
 #include "lwip/opt.h"
 
@@ -70,5 +70,5 @@
  * @}
  */
 
-#endif	/* LWIP_HDR_APPS_MDNS_OPTS_H */
+#endif /* LWIP_HDR_APPS_MDNS_OPTS_H */
 

src/include/lwip/apps/snmp_core.h

@@ -200,7 +200,7 @@ struct snmp_node_instance
   u8_t asn1_type;
   /** one out of instance access types defined above (SNMP_NODE_INSTANCE_READ_ONLY,...) */
   snmp_access_t access;
-  
+
   /** returns object value for the given object identifier. Return values <0 to indicate an error */
   node_instance_get_value_method get_value;
   /** tests length and/or range BEFORE setting */
@@ -278,7 +278,7 @@ struct snmp_next_oid_state
   u32_t* next_oid;
   u8_t next_oid_len;
   u8_t next_oid_max_len;
-  
+
   snmp_next_oid_status_t status;
   void* reference;
 };

src/include/lwip/apps/snmp_table.h

@@ -85,7 +85,7 @@ snmp_err_t snmp_table_get_next_instance(const u32_t *root_oid, u8_t root_oid_len
 
 #define SNMP_TABLE_GET_COLUMN_FROM_OID(oid) ((oid)[1]) /* first array value is (fixed) row entry (fixed to 1) and 2nd value is column, follow3ed by instance */
 
-  
+
 /** simple read-only table */
 typedef enum {
   SNMP_VARIANT_VALUE_TYPE_U32,

src/include/lwip/arch.h

@@ -48,7 +48,7 @@
 #include "arch/cc.h"
 
 /** Define this to 1 in arch/cc.h of your port if your compiler does not provide
- * the stdint.h header. This cannot be \#defined in lwipopts.h since 
+ * the stdint.h header. This cannot be \#defined in lwipopts.h since
  * this is not an option of lwIP itself, but an option of the lwIP port
  * to your system.
  * Additionally, this header is meant to be \#included in lwipopts.h
@@ -71,7 +71,7 @@ typedef uintptr_t mem_ptr_t;
 #endif
 
 /** Define this to 1 in arch/cc.h of your port if your compiler does not provide
- * the inttypes.h header. This cannot be \#defined in lwipopts.h since 
+ * the inttypes.h header. This cannot be \#defined in lwipopts.h since
  * this is not an option of lwIP itself, but an option of the lwIP port
  * to your system.
  * Additionally, this header is meant to be \#included in lwipopts.h

src/include/lwip/err.h

@@ -60,7 +60,7 @@ typedef s8_t err_t;
 /** Definitions for error constants. */
 typedef enum {
 /** No error, everything OK. */
-  ERR_OK         = 0, 
+  ERR_OK         = 0,
 /** Out of memory error.     */
   ERR_MEM        = -1,
 /** Buffer error.            */

src/include/lwip/etharp.h

@@ -59,7 +59,7 @@ extern "C" {
 #if LWIP_IPV4 && LWIP_ARP /* don't build if not configured for use in lwipopts.h */
 
 #include "lwip/prot/arp.h"
-    
+
 #define SIZEOF_ETHARP_PACKET    (SIZEOF_ETH_HDR + SIZEOF_ETHARP_HDR)
 #if ETHARP_SUPPORT_VLAN && defined(LWIP_HOOK_VLAN_SET)
 #define SIZEOF_ETHARP_PACKET_TX (SIZEOF_ETHARP_PACKET + SIZEOF_VLAN_HDR)

src/include/lwip/icmp6.h

@@ -62,7 +62,7 @@ enum icmp6_type {
   /** Parameter problem */
   ICMP6_TYPE_PP = 4,
   /** Private experimentation */
-  ICMP6_TYPE_PE1 = 100,  
+  ICMP6_TYPE_PE1 = 100,
   /** Private experimentation */
   ICMP6_TYPE_PE2 = 101,
   /** Reserved for expansion of error messages */
@@ -73,7 +73,7 @@ enum icmp6_type {
   /** Echo reply */
   ICMP6_TYPE_EREP = 129,
   /** Multicast listener query */
-  ICMP6_TYPE_MLQ = 130,  
+  ICMP6_TYPE_MLQ = 130,
   /** Multicast listener report */
   ICMP6_TYPE_MLR = 131,
   /** Multicast listener done */

src/include/lwip/ip.h

@@ -248,9 +248,9 @@ extern struct ip_globals ip_data;
         (IP_IS_V6(dest) ? \
         ip6_output_hinted(p, ip_2_ip6(src), ip_2_ip6(dest), ttl, tos, proto, addr_hint) : \
         ip4_output_hinted(p, ip_2_ip4(src), ip_2_ip4(dest), ttl, tos, proto, addr_hint))
-/** 
+/**
  * @ingroup ip
- * Get netif for address combination. See \ref ip6_route and \ref ip4_route 
+ * Get netif for address combination. See \ref ip6_route and \ref ip4_route
  */
 #define ip_route(src, dest) \
         (IP_IS_V6(dest) ? \

src/include/lwip/netif.h

@@ -68,7 +68,7 @@ extern "C" {
  * @ingroup netif
  * @{
  */
-  
+
 /** Whether the network interface is 'up'. This is
  * a software flag used to control whether this network
  * interface is enabled and processes traffic.

src/include/lwip/opt.h

@@ -36,8 +36,8 @@
  *
  */
 
-/* 
- * NOTE: || defined __DOXYGEN__ is a workaround for doxygen bug - 
+/*
+ * NOTE: || defined __DOXYGEN__ is a workaround for doxygen bug -
  * without this, doxygen does not see the actual #define
  */
 
@@ -51,7 +51,7 @@
 #include "lwipopts.h"
 #include "lwip/debug.h"
 
-/** 
+/**
  * @defgroup lwip_opts Options (lwipopts.h)
  * @ingroup lwip
  *

src/include/lwip/priv/tcpip_priv.h

@@ -48,7 +48,7 @@
 #ifdef __cplusplus
 extern "C" {
 #endif
-  
+
 struct pbuf;
 struct netif;
 

src/include/lwip/prot/arp.h

@@ -71,7 +71,7 @@ PACK_STRUCT_END
 #endif
 
 #define SIZEOF_ETHARP_HDR 28
-    
+
 #ifdef __cplusplus
 }
 #endif

src/include/lwip/prot/ethernet.h

@@ -138,7 +138,7 @@ PACK_STRUCT_END
 #ifndef ETHADDR16_COPY
 #define ETHADDR16_COPY(dst, src)  SMEMCPY(dst, src, ETH_HWADDR_LEN)
 #endif
- 
+
 #define eth_addr_cmp(addr1, addr2) (memcmp((addr1)->addr, (addr2)->addr, ETH_HWADDR_LEN) == 0)
 
 #ifdef __cplusplus

src/include/lwip/prot/ip.h

@@ -49,5 +49,3 @@
 #define IP_HDR_GET_VERSION(ptr)   ((*(u8_t*)(ptr)) >> 4)
 
 #endif /* LWIP_HDR_PROT_IP_H */
-
-

src/include/lwip/prot/ip4.h

@@ -46,7 +46,7 @@ extern "C" {
 
 /* Size of the IPv4 header. Same as 'sizeof(struct ip_hdr)'. */
 #define IP_HLEN 20
-  
+
 #ifdef PACK_STRUCT_USE_INCLUDES
 #  include "arch/bpstruct.h"
 #endif
@@ -109,5 +109,3 @@ PACK_STRUCT_END
 #endif
 
 #endif /* LWIP_HDR_PROT_IP4_H */
-
-

src/include/lwip/prot/ip6.h

@@ -146,7 +146,7 @@ PACK_STRUCT_END
 #define IP6H_PLEN_SET(hdr, plen) (hdr)->_plen = htons(plen)
 #define IP6H_NEXTH_SET(hdr, nexth) (hdr)->_nexth = (nexth)
 #define IP6H_HOPLIM_SET(hdr, hl) (hdr)->_hoplim = (u8_t)(hl)
-        
+
 #ifdef __cplusplus
 }
 #endif

src/include/lwip/prot/mld6.h

@@ -62,7 +62,7 @@ PACK_STRUCT_END
 #ifdef PACK_STRUCT_USE_INCLUDES
 #  include "arch/epstruct.h"
 #endif
-    
+
 #ifdef __cplusplus
 }
 #endif

src/include/lwip/prot/tcp.h

@@ -77,7 +77,7 @@ PACK_STRUCT_END
 
 #define TCPH_SET_FLAG(phdr, flags ) (phdr)->_hdrlen_rsvd_flags = ((phdr)->_hdrlen_rsvd_flags | htons(flags))
 #define TCPH_UNSET_FLAG(phdr, flags) (phdr)->_hdrlen_rsvd_flags = ((phdr)->_hdrlen_rsvd_flags & ~htons(flags))
-    
+
 #ifdef __cplusplus
 }
 #endif

src/include/lwip/prot/udp.h

@@ -60,7 +60,7 @@ PACK_STRUCT_END
 #ifdef PACK_STRUCT_USE_INCLUDES
 #  include "arch/epstruct.h"
 #endif
-    
+
 #ifdef __cplusplus
 }
 #endif

src/include/lwip/stats.h

@@ -189,16 +189,16 @@ struct stats_mib2_netif_ctrs {
   /** The number of packets, delivered by this sub-layer to a higher (sub-)layer, which were
    * not addressed to a multicast or broadcast address at this sub-layer */
   u32_t ifinucastpkts;
-  /** The number of packets, delivered by this sub-layer to a higher (sub-)layer, which were 
+  /** The number of packets, delivered by this sub-layer to a higher (sub-)layer, which were
    * addressed to a multicast or broadcast address at this sub-layer */
   u32_t ifinnucastpkts;
-  /** The number of inbound packets which were chosen to be discarded even though no errors had 
-   * been detected to prevent their being deliverable to a higher-layer protocol. One possible 
+  /** The number of inbound packets which were chosen to be discarded even though no errors had
+   * been detected to prevent their being deliverable to a higher-layer protocol. One possible
    * reason for discarding such a packet could be to free up buffer space */
   u32_t ifindiscards;
-  /** For packet-oriented interfaces, the number of inbound packets that contained errors 
+  /** For packet-oriented interfaces, the number of inbound packets that contained errors
    * preventing them from being deliverable to a higher-layer protocol.  For character-
-   * oriented or fixed-length interfaces, the number of inbound transmission units that 
+   * oriented or fixed-length interfaces, the number of inbound transmission units that
    * contained errors preventing them from being deliverable to a higher-layer protocol. */
   u32_t ifinerrors;
   /** For packet-oriented interfaces, the number of packets received via the interface which
@@ -408,7 +408,7 @@ void stats_init(void);
 #define MEMP_STATS_DISPLAY(i)
 #define MEMP_STATS_GET(x, i) 0
 #endif
- 
+
 #if SYS_STATS
 #define SYS_STATS_INC(x) STATS_INC(sys.x)
 #define SYS_STATS_DEC(x) STATS_DEC(sys.x)

src/include/lwip/sys.h

@@ -60,10 +60,10 @@
  * @defgroup sys_prot Critical sections
  * @ingroup sys_layer
  * Used to protect short regions of code against concurrent access.
- * - Your system is a bare-metal system (probably with an RTOS) 
+ * - Your system is a bare-metal system (probably with an RTOS)
  *   and interrupts are under your control:
  *   Implement this as LockInterrupts() / UnlockInterrupts()
- * - Your system uses an RTOS with deferred interrupt handling from a 
+ * - Your system uses an RTOS with deferred interrupt handling from a
  *   worker thread: Implement as a global mutex or lock/unlock scheduler
  * - Your system uses a high-level OS with e.g. POSIX signals:
  *   Implement as a global mutex

src/include/lwip/tcpip.h

@@ -76,7 +76,7 @@ err_t  tcpip_inpkt(struct pbuf *p, struct netif *inp, netif_input_fn input_fn);
 err_t  tcpip_input(struct pbuf *p, struct netif *inp);
 
 err_t  tcpip_callback_with_block(tcpip_callback_fn function, void *ctx, u8_t block);
-/** 
+/**
  * @ingroup lwip_os
  * @see tcpip_callback_with_block
  */