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Diffstat (limited to 'components/wifi.c')
-rw-r--r--components/wifi.c20
1 files changed, 7 insertions, 13 deletions
diff --git a/components/wifi.c b/components/wifi.c
index 414d533..591f6ad 100644
--- a/components/wifi.c
+++ b/components/wifi.c
@@ -26,8 +26,7 @@
snprintf(path, sizeof(path), "%s%s%s", "/sys/class/net/", iface,
"/operstate");
if (!(fp = fopen(path, "r"))) {
- fprintf(stderr, "fopen '%s': %s\n", path,
- strerror(errno));
+ warn("fopen '%s':", path);
return NULL;
}
p = fgets(status, 5, fp);
@@ -37,8 +36,7 @@
}
if (!(fp = fopen("/proc/net/wireless", "r"))) {
- fprintf(stderr, "fopen '/proc/net/wireless': %s\n",
- strerror(errno));
+ warn("fopen '/proc/net/wireless':");
return NULL;
}
@@ -74,13 +72,12 @@
snprintf(wreq.ifr_name, sizeof(wreq.ifr_name), "%s", iface);
if ((sockfd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
- fprintf(stderr, "socket 'AF_INET': %s\n",
- strerror(errno));
+ warn("socket 'AF_INET':");
return NULL;
}
wreq.u.essid.pointer = id;
if (ioctl(sockfd,SIOCGIWESSID, &wreq) < 0) {
- fprintf(stderr, "ioctl 'SIOCGIWESSID': %s\n", strerror(errno));
+ warn("ioctl 'SIOCGIWESSID':");
close(sockfd);
return NULL;
}
@@ -111,22 +108,19 @@
memset(&bssid, 0, sizeof(bssid));
memset(nr, 0, sizeof(struct ieee80211_nodereq));
if ((sockfd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
- fprintf(stderr, "socket 'AF_INET': %s\n",
- strerror(errno));
+ warn("socket 'AF_INET':");
return 0;
}
strlcpy(bssid.i_name, iface, sizeof(bssid.i_name));
if ((ioctl(sockfd, SIOCG80211BSSID, &bssid)) < 0) {
- fprintf(stderr, "ioctl 'SIOCG80211BSSID': %s\n",
- strerror(errno));
+ warn("ioctl 'SIOCG80211BSSID':");
close(sockfd);
return 0;
}
strlcpy(nr->nr_ifname, iface, sizeof(nr->nr_ifname));
memcpy(&nr->nr_macaddr, bssid.i_bssid, sizeof(nr->nr_macaddr));
if ((ioctl(sockfd, SIOCG80211NODE, nr)) < 0 && nr->nr_rssi) {
- fprintf(stderr, "ioctl 'SIOCG80211NODE': %s\n",
- strerror(errno));
+ warn("ioctl 'SIOCG80211NODE':");
close(sockfd);
return 0;
}