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 "
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;
}