close file descriptors and fix return values

diff --git a/components/wifi.c b/components/wifi.c
index d99c46c..92c252e 100644 (file)
--- a/components/wifi.c
+++ b/components/wifi.c
@@ -211,14 +211,16 @@
                int rssi_dbm;
                int sockfd;
                size_t len;
                int rssi_dbm;
                int sockfd;
                size_t len;

+               const char *fmt;

 
                if ((sockfd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
                        warn("socket 'AF_INET':");
 
                if ((sockfd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
                        warn("socket 'AF_INET':");

-                       return 0;
+                       return NULL;

                }
 
                /* Retreive MAC address of interface */
                len = IEEE80211_ADDR_LEN;
                }
 
                /* Retreive MAC address of interface */
                len = IEEE80211_ADDR_LEN;

+               fmt = NULL;

                if (load_ieee80211req(sockfd, interface, &bssid, IEEE80211_IOC_BSSID, &len))
                {
                        /* Retrieve info on station with above BSSID */
                if (load_ieee80211req(sockfd, interface, &bssid, IEEE80211_IOC_BSSID, &len))
                {
                        /* Retrieve info on station with above BSSID */


@@ -229,12 +231,13 @@
                        if (load_ieee80211req(sockfd, interface, &info, IEEE80211_IOC_STA_INFO, &len)) {
                                rssi_dbm = info.sta.info[0].isi_noise +
                                                 info.sta.info[0].isi_rssi / 2;
                        if (load_ieee80211req(sockfd, interface, &info, IEEE80211_IOC_STA_INFO, &len)) {
                                rssi_dbm = info.sta.info[0].isi_noise +
                                                 info.sta.info[0].isi_rssi / 2;

-                               return bprintf("%d", RSSI_TO_PERC(rssi_dbm));
+
+                               fmt = bprintf("%d", RSSI_TO_PERC(rssi_dbm));

                        }
                }
 
                close(sockfd);
                        }
                }
 
                close(sockfd);

-               return NULL;
+               return fmt;

        }
 
        const char *
        }
 
        const char *


@@ -243,12 +246,14 @@
                char ssid[IEEE80211_NWID_LEN + 1];
                size_t len;
                int sockfd;
                char ssid[IEEE80211_NWID_LEN + 1];
                size_t len;
                int sockfd;

+               const char *fmt;

 
                if ((sockfd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
                        warn("socket 'AF_INET':");
 
                if ((sockfd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
                        warn("socket 'AF_INET':");

-                       return 0;
+                       return NULL;

                }
 
                }
 

+               fmt = NULL;

                len = sizeof(ssid);
                memset(&ssid, 0, len);
                if (load_ieee80211req(sockfd, interface, &ssid, IEEE80211_IOC_SSID, &len )) {
                len = sizeof(ssid);
                memset(&ssid, 0, len);
                if (load_ieee80211req(sockfd, interface, &ssid, IEEE80211_IOC_SSID, &len )) {


@@ -258,9 +263,10 @@
                                len = sizeof(ssid);
 
                        ssid[len - 1] = '\0';
                                len = sizeof(ssid);
 
                        ssid[len - 1] = '\0';

-                       return bprintf("%s", ssid);
+                       fmt = bprintf("%s", ssid);

                }
 
                }
 

-               return NULL;
+               close(sockfd);
+               return fmt;

        }
 #endif
        }
 #endif