diff options
Diffstat (limited to 'components/wifi.c')
| -rw-r--r-- | components/wifi.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/components/wifi.c b/components/wifi.c index 7cd2702..c209598 100644 --- a/components/wifi.c +++ b/components/wifi.c @@ -47,11 +47,13 @@ break; } fclose(fp); - if (i < 2 || !p) + if (i < 2 || !p) { return NULL; + } - if ((datastart = strstr(buf, iface)) == NULL) + if (!(datastart = strstr(buf, iface))) { return NULL; + } datastart = (datastart+(strlen(iface)+1)); sscanf(datastart + 1, " %*d %d %*d %*d\t\t %*d\t " @@ -73,23 +75,23 @@ wreq.u.essid.length = IW_ESSID_MAX_SIZE+1; snprintf(wreq.ifr_name, sizeof(wreq.ifr_name), "%s", iface); - if (sockfd == -1) { + if (sockfd < 0) { fprintf(stderr, "socket 'AF_INET': %s\n", strerror(errno)); return NULL; } wreq.u.essid.pointer = id; - if (ioctl(sockfd,SIOCGIWESSID, &wreq) == -1) { - fprintf(stderr, "ioctl 'SIOCGIWESSID': %s\n", - strerror(errno)); + if (ioctl(sockfd,SIOCGIWESSID, &wreq) < 0) { + fprintf(stderr, "ioctl 'SIOCGIWESSID': %s\n", strerror(errno)); close(sockfd); return NULL; } close(sockfd); - if (strcmp(id, "") == 0) + if (!strcmp(id, "")) { return NULL; + } return id; } |