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authorJohn W. Linville <linville@tuxdriver.com>2008-09-24 18:13:14 -0400
committerJohn W. Linville <linville@tuxdriver.com>2008-10-31 19:00:46 -0400
commit7e272fcff6f0a32a3d46e600ea5895f6058f4e2d (patch)
tree39857028913862af4d71170d1f16ee360ba49115 /include/net/lib80211.h
parentddf4ac53fb8a12a027c0486db743ae040f45b56a (diff)
wireless: consolidate on a single escape_essid implementation
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'include/net/lib80211.h')
-rw-r--r--include/net/lib80211.h31
1 files changed, 31 insertions, 0 deletions
diff --git a/include/net/lib80211.h b/include/net/lib80211.h
new file mode 100644
index 000000000000..91a64f358cef
--- /dev/null
+++ b/include/net/lib80211.h
@@ -0,0 +1,31 @@
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. */
13const char *escape_ssid(const char *ssid, u8 ssid_len);
14
15static 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 */