udhcp: fix indentation and style.

Eliminate (group) a lot of smallish *.h files
Remove lots of unneeded #includes

1 files changed, 33 insertions, 42 deletions

diff --git a/networking/udhcp/socket.c b/networking/udhcp/socket.c
index d1867e9a8..ea2913172 100644
--- a/networking/udhcp/socket.c
+++ b/networking/udhcp/socket.c
@@ -23,15 +23,7 @@
  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
 
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <sys/ioctl.h>
-#include <netinet/in.h>
-#include <unistd.h>
-#include <string.h>
-#include <arpa/inet.h>
 #include <net/if.h>
-#include <errno.h>
 #include <features.h>
 #if (__GLIBC__ >= 2 && __GLIBC_MINOR__ >= 1) || defined _NEWLIB_VERSION
 #include <netpacket/packet.h>
@@ -43,7 +35,7 @@
 #endif
 
 #include "common.h"
-#include "socket.h"
+
 
 int read_interface(char *interface, int *ifindex, uint32_t *addr, uint8_t *arp)
 {
@@ -52,44 +44,42 @@ int read_interface(char *interface, int *ifindex, uint32_t *addr, uint8_t *arp)
         struct sockaddr_in *our_ip;
 
         memset(&ifr, 0, sizeof(struct ifreq));
-        if((fd = socket(AF_INET, SOCK_RAW, IPPROTO_RAW)) >= 0) {
-                ifr.ifr_addr.sa_family = AF_INET;
-                strcpy(ifr.ifr_name, interface);
-
-                if (addr) {
-                        if (ioctl(fd, SIOCGIFADDR, &ifr) == 0) {
-                                our_ip = (struct sockaddr_in *) &ifr.ifr_addr;
-                                *addr = our_ip->sin_addr.s_addr;
-                                DEBUG("%s (our ip) = %s", ifr.ifr_name, inet_ntoa(our_ip->sin_addr));
-                        } else {
-                                bb_perror_msg("SIOCGIFADDR failed, is the interface up and configured?");
-                                close(fd);
-                                return -1;
-                        }
-                }
+        fd = socket(AF_INET, SOCK_RAW, IPPROTO_RAW);
+        if (fd < 0) {
+                bb_perror_msg("socket failed");
+                return -1;
+        }
 
-                if (ioctl(fd, SIOCGIFINDEX, &ifr) == 0) {
-                        DEBUG("adapter index %d", ifr.ifr_ifindex);
-                        *ifindex = ifr.ifr_ifindex;
-                } else {
-                        bb_perror_msg("SIOCGIFINDEX failed");
+        ifr.ifr_addr.sa_family = AF_INET;
+        strcpy(ifr.ifr_name, interface);
+        if (addr) {
+                if (ioctl(fd, SIOCGIFADDR, &ifr) == 0) {
+                        bb_perror_msg("SIOCGIFADDR failed, is the interface up and configured?");
                         close(fd);
                         return -1;
                 }
-                if (ioctl(fd, SIOCGIFHWADDR, &ifr) == 0) {
-                        memcpy(arp, ifr.ifr_hwaddr.sa_data, 6);
-                        DEBUG("adapter hardware address %02x:%02x:%02x:%02x:%02x:%02x",
-                                arp[0], arp[1], arp[2], arp[3], arp[4], arp[5]);
-                } else {
-                        bb_perror_msg("SIOCGIFHWADDR failed");
-                        close(fd);
-                        return -1;
-                }
-        } else {
-                bb_perror_msg("socket failed");
+                our_ip = (struct sockaddr_in *) &ifr.ifr_addr;
+                *addr = our_ip->sin_addr.s_addr;
+                DEBUG("%s (our ip) = %s", ifr.ifr_name, inet_ntoa(our_ip->sin_addr));
+        }
+
+        if (ioctl(fd, SIOCGIFINDEX, &ifr) == 0) {
+                bb_perror_msg("SIOCGIFINDEX failed");
+                close(fd);
+                return -1;
+        }
+
+        DEBUG("adapter index %d", ifr.ifr_ifindex);
+        *ifindex = ifr.ifr_ifindex;
+        if (ioctl(fd, SIOCGIFHWADDR, &ifr) != 0) {
+                bb_perror_msg("SIOCGIFHWADDR failed");
+                close(fd);
                 return -1;
         }
-        close(fd);
+
+        memcpy(arp, ifr.ifr_hwaddr.sa_data, 6);
+        DEBUG("adapter hardware address %02x:%02x:%02x:%02x:%02x:%02x",
+                arp[0], arp[1], arp[2], arp[3], arp[4], arp[5]);
         return 0;
 }
 
@@ -102,7 +92,8 @@ int listen_socket(uint32_t ip, int port, char *inf)
         int n = 1;
 
         DEBUG("Opening listen socket on 0x%08x:%d %s", ip, port, inf);
-        if ((fd = socket(PF_INET, SOCK_DGRAM, IPPROTO_UDP)) < 0) {
+        fd = socket(PF_INET, SOCK_DGRAM, IPPROTO_UDP);
+        if (fd < 0) {
                 bb_perror_msg("socket");
                 return -1;
         }