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close file descriptors and fix return values

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This commit is contained in:
Michael Buch 2019-02-13 14:16:17 +00:00 committed by Aaron Marcher
parent c1dc896c80
commit a9193a757a
1 changed files with 12 additions and 6 deletions
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18
components/wifi.c
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@ -211,14 +211,16 @@
int rssi_dbm;
int sockfd;
size_t len;
const char *fmt;
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;
fmt = NULL;
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;
return bprintf("%d", RSSI_TO_PERC(rssi_dbm));
fmt = bprintf("%d", RSSI_TO_PERC(rssi_dbm));
}
}
close(sockfd);
return NULL;
return fmt;
}
const char *
@ -243,12 +246,14 @@
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':");
return 0;
return NULL;
}
fmt = NULL;
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';
return bprintf("%s", ssid);
fmt = bprintf("%s", ssid);
}
return NULL;
close(sockfd);
return fmt;
}
#endif