| John W. Linville | 7e272fc | 2008-09-24 18:13:14 -0400 | [diff] [blame^] | 1 | /* |
| 2 | * lib80211.h -- common bits for IEEE802.11 wireless drivers |
| 3 | * |
| 4 | * Copyright (c) 2008, John W. Linville <linville@tuxdriver.com> |
| 5 | * |
| 6 | */ |
| 7 | |
| 8 | #ifndef LIB80211_H |
| 9 | #define LIB80211_H |
| 10 | |
| 11 | /* escape_ssid() is intended to be used in debug (and possibly error) |
| 12 | * messages. It should never be used for passing ssid to user space. */ |
| 13 | const char *escape_ssid(const char *ssid, u8 ssid_len); |
| 14 | |
| 15 | static inline int is_empty_ssid(const char *ssid, int ssid_len) |
| 16 | { |
| 17 | /* Single white space is for Linksys APs */ |
| 18 | if (ssid_len == 1 && ssid[0] == ' ') |
| 19 | return 1; |
| 20 | |
| 21 | /* Otherwise, if the entire ssid is 0, we assume it is hidden */ |
| 22 | while (ssid_len) { |
| 23 | ssid_len--; |
| 24 | if (ssid[ssid_len] != '\0') |
| 25 | return 0; |
| 26 | } |
| 27 | |
| 28 | return 1; |
| 29 | } |
| 30 | |
| 31 | #endif /* LIB80211_H */ |