wifi_essid: Fix coding style

Only initialize variables at the beginning of a block

diff --git a/components/wifi.c b/components/wifi.c
index 7dfa4e2..473c8a7 100644 (file)
--- a/components/wifi.c
+++ b/components/wifi.c
@@ -66,14 +66,14 @@
        wifi_essid(const char *iface)
        {
                static char id[IW_ESSID_MAX_SIZE+1];
        wifi_essid(const char *iface)
        {
                static char id[IW_ESSID_MAX_SIZE+1];

-               int sockfd = socket(AF_INET, SOCK_DGRAM, 0);
+               int sockfd;

                struct iwreq wreq;
 
                memset(&wreq, 0, sizeof(struct iwreq));
                wreq.u.essid.length = IW_ESSID_MAX_SIZE+1;
                snprintf(wreq.ifr_name, sizeof(wreq.ifr_name), "%s", iface);
 
                struct iwreq wreq;
 
                memset(&wreq, 0, sizeof(struct iwreq));
                wreq.u.essid.length = IW_ESSID_MAX_SIZE+1;
                snprintf(wreq.ifr_name, sizeof(wreq.ifr_name), "%s", iface);
 

-               if (sockfd < 0) {
+               if ((sockfd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {

                        fprintf(stderr, "socket 'AF_INET': %s\n",
                                strerror(errno));
                        return NULL;
                        fprintf(stderr, "socket 'AF_INET': %s\n",
                                strerror(errno));
                        return NULL;