[mirror_ubuntu-zesty-kernel.git] / net / wireless / lib80211.c

/*
 * lib80211 -- common bits for IEEE802.11 drivers
 *
 * Copyright(c) 2008 John W. Linville <linville@tuxdriver.com>
 *
 */

#include <linux/module.h>
#include <linux/ctype.h>
#include <linux/ieee80211.h>

#include <net/lib80211.h>

#define DRV_NAME        "lib80211"

#define DRV_DESCRIPTION	"common routines for IEEE802.11 drivers"

MODULE_DESCRIPTION(DRV_DESCRIPTION);
MODULE_AUTHOR("John W. Linville <linville@tuxdriver.com>");
MODULE_LICENSE("GPL");

const char *escape_ssid(const char *ssid, u8 ssid_len)
{
	static char escaped[IEEE80211_MAX_SSID_LEN * 4 + 1];
	const char *s = ssid;
	char *d = escaped;

	ssid_len = min_t(u8, ssid_len, IEEE80211_MAX_SSID_LEN);
	while (ssid_len--) {
		if (isprint(*s)) {
			*d++ = *s++;
			continue;
		}

		*d++ = '\\';
		if (*s == '\0')
			*d++ = '0';
		else if (*s == '\n')
			*d++ = 'n';
		else if (*s == '\r')
			*d++ = 'r';
		else if (*s == '\t')
			*d++ = 't';
		else if (*s == '\\')
			*d++ = '\\';
		else
			d += snprintf(d, 3, "%03o", *s);
		s++;
	}
	*d = '\0';
	return escaped;
}
EXPORT_SYMBOL(escape_ssid);

static int __init ieee80211_init(void)
{
	printk(KERN_INFO DRV_NAME ": " DRV_DESCRIPTION "\n");
	return 0;
}

static void __exit ieee80211_exit(void)
{
}

module_init(ieee80211_init);
module_exit(ieee80211_exit);
Commit	Line	Data
7e272fcf JL	1	/*
	2	* lib80211 -- common bits for IEEE802.11 drivers
	3	*
	4	* Copyright(c) 2008 John W. Linville <linville@tuxdriver.com>
	5	*
	6	*/
	7
	8	#include <linux/module.h>
2819f8ad	9	#include <linux/ctype.h>
7e272fcf JL	10	#include <linux/ieee80211.h>
	11
	12	#include <net/lib80211.h>
	13
	14	#define DRV_NAME "lib80211"
	15
	16	#define DRV_DESCRIPTION "common routines for IEEE802.11 drivers"
	17
	18	MODULE_DESCRIPTION(DRV_DESCRIPTION);
	19	MODULE_AUTHOR("John W. Linville <linville@tuxdriver.com>");
	20	MODULE_LICENSE("GPL");
	21
	22	const char escape_ssid(const char ssid, u8 ssid_len)
	23	{
2819f8ad	24	static char escaped[IEEE80211_MAX_SSID_LEN * 4 + 1];
7e272fcf JL	25	const char *s = ssid;
	26	char *d = escaped;
	27
7e272fcf JL	28	ssid_len = min_t(u8, ssid_len, IEEE80211_MAX_SSID_LEN);
7e272fcf JL	29	while (ssid_len--) {
2819f8ad	30	if (isprint(*s)) {
7e272fcf	31	d++ = s++;
2819f8ad	32	continue;
7e272fcf	33	}
2819f8ad JL	34
	35	*d++ = '\\';
	36	if (*s == '\0')
	37	*d++ = '0';
	38	else if (*s == '\n')
	39	*d++ = 'n';
	40	else if (*s == '\r')
	41	*d++ = 'r';
	42	else if (*s == '\t')
	43	*d++ = 't';
	44	else if (*s == '\\')
	45	*d++ = '\\';
	46	else
	47	d += snprintf(d, 3, "%03o", *s);
	48	s++;
7e272fcf JL	49	}
	50	*d = '\0';
	51	return escaped;
	52	}
	53	EXPORT_SYMBOL(escape_ssid);
	54
	55	static int __init ieee80211_init(void)
	56	{
	57	printk(KERN_INFO DRV_NAME ": " DRV_DESCRIPTION "\n");
	58	return 0;
	59	}
	60
	61	static void __exit ieee80211_exit(void)
	62	{
	63	}
	64
	65	module_init(ieee80211_init);
	66	module_exit(ieee80211_exit);