/* * lib80211.h -- common bits for IEEE802.11 wireless drivers * * Copyright (c) 2008, John W. Linville * */ #ifndef LIB80211_H #define LIB80211_H /* escape_ssid() is intended to be used in debug (and possibly error) * messages. It should never be used for passing ssid to user space. */ const char *escape_ssid(const char *ssid, u8 ssid_len); static inline int is_empty_ssid(const char *ssid, int ssid_len) { /* Single white space is for Linksys APs */ if (ssid_len == 1 && ssid[0] == ' ') return 1; /* Otherwise, if the entire ssid is 0, we assume it is hidden */ while (ssid_len) { ssid_len--; if (ssid[ssid_len] != '\0') return 0; } return 1; } #endif /* LIB80211_H */