/*
 * linux/fs/nls/nls_koi8-ru.c
 *
 * Charset koi8-ru translation based on charset koi8-u.
 * The Unicode to charset table has only exact mappings.
 */

#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/string.h>
#include <linux/nls.h>
#include <linux/errno.h>

static struct nls_table *p_nls;

static int uni2char(const wchar_t uni,
		    unsigned char *out, int boundlen)
{
	if (boundlen <= 0)
		return -ENAMETOOLONG;

	if ((uni & 0xffaf) == 0x040e || (uni & 0xffce) == 0x254c) {
		/* koi8-ru and koi8-u differ only on two characters */
		if (uni == 0x040e)
			out[0] = 0xbe;
		else if (uni == 0x045e)
			out[0] = 0xae;
		else if (uni == 0x255d || uni == 0x256c)
			return 0;
		else
			return p_nls->uni2char(uni, out, boundlen);
		return 1;
	}
	else
		/* fast path */
		return p_nls->uni2char(uni, out, boundlen);
}

static int char2uni(const unsigned char *rawstring, int boundlen,
		    wchar_t *uni)
{
	int n;

	if ((*rawstring & 0xef) != 0xae) {
		/* koi8-ru and koi8-u differ only on two characters */
		*uni = (*rawstring & 0x10) ? 0x040e : 0x045e;
		return 1;
	}

	n = p_nls->char2uni(rawstring, boundlen, uni);
	return n;
}

static struct nls_table table = {
	.charset	= "koi8-ru",
	.uni2char	= uni2char,
	.char2uni	= char2uni,
};

static int __init init_nls_koi8_ru(void)
{
	p_nls = load_nls("koi8-u");

	if (p_nls) {
		table.charset2upper = p_nls->charset2upper;
		table.charset2lower = p_nls->charset2lower;
		return register_nls(&table);
	}

	return -EINVAL;
}

static void __exit exit_nls_koi8_ru(void)
{
	unregister_nls(&table);
	unload_nls(p_nls);
}

module_init(init_nls_koi8_ru)
module_exit(exit_nls_koi8_ru)

MODULE_LICENSE("Dual BSD/GPL");
gi/linux/net-next.git/refs/?id=095cbe66973771fecd8e8b1e8763181363ef703e'>refs</a><a href='/cgit.cgi/linux/net-next.git/log/include/dt-bindings/pinctrl/am43xx.h'>log</a><a href='/cgit.cgi/linux/net-next.git/tree/include/dt-bindings/pinctrl/am43xx.h?id=095cbe66973771fecd8e8b1e8763181363ef703e'>tree</a><a class='active' href='/cgit.cgi/linux/net-next.git/commit/include/dt-bindings/pinctrl/am43xx.h?id=095cbe66973771fecd8e8b1e8763181363ef703e'>commit</a><a href='/cgit.cgi/linux/net-next.git/diff/include/dt-bindings/pinctrl/am43xx.h?id=095cbe66973771fecd8e8b1e8763181363ef703e'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/include/dt-bindings/pinctrl/am43xx.h'>
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/commit/?id=095cbe66973771fecd8e8b1e8763181363ef703e'>root</a>/<a href='/cgit.cgi/linux/net-next.git/commit/include?id=095cbe66973771fecd8e8b1e8763181363ef703e'>include</a>/<a href='/cgit.cgi/linux/net-next.git/commit/include/dt-bindings?id=095cbe66973771fecd8e8b1e8763181363ef703e'>dt-bindings</a>/<a href='/cgit.cgi/linux/net-next.git/commit/include/dt-bindings/pinctrl?id=095cbe66973771fecd8e8b1e8763181363ef703e'>pinctrl</a>/<a href='/cgit.cgi/linux/net-next.git/commit/include/dt-bindings/pinctrl/am43xx.h?id=095cbe66973771fecd8e8b1e8763181363ef703e'>am43xx.h</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='095cbe66973771fecd8e8b1e8763181363ef703e'/><table><tr><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><table summary='commit info' class='commit-info'>
<tr><th>author</th><td>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2017-01-22 12:47:48 -0800</td></tr>
<tr><th>committer</th><td>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2017-01-22 12:47:48 -0800</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include/dt-bindings/pinctrl/am43xx.h?id=095cbe66973771fecd8e8b1e8763181363ef703e'>095cbe66973771fecd8e8b1e8763181363ef703e</a> (<a href='/cgit.cgi/linux/net-next.git/patch/include/dt-bindings/pinctrl/am43xx.h?id=095cbe66973771fecd8e8b1e8763181363ef703e'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=095cbe66973771fecd8e8b1e8763181363ef703e'>c361a93d62ed171ac958deb0d4ff0faa980bb290</a> /<a href='/cgit.cgi/linux/net-next.git/tree/include/dt-bindings/pinctrl/am43xx.h?id=095cbe66973771fecd8e8b1e8763181363ef703e'>include/dt-bindings/pinctrl/am43xx.h</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include/dt-bindings/pinctrl/am43xx.h?id=24b86839fab8e8059d2b16e0067dc86a1a0d3514'>24b86839fab8e8059d2b16e0067dc86a1a0d3514</a> (<a href='/cgit.cgi/linux/net-next.git/diff/include/dt-bindings/pinctrl/am43xx.h?id=095cbe66973771fecd8e8b1e8763181363ef703e&amp;id2=24b86839fab8e8059d2b16e0067dc86a1a0d3514'>diff</a>)</td></tr><tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include/dt-bindings/pinctrl/am43xx.h?id=020eb3daaba2857b32c4cf4c82f503d6a00a67de'>020eb3daaba2857b32c4cf4c82f503d6a00a67de</a> (<a href='/cgit.cgi/linux/net-next.git/diff/include/dt-bindings/pinctrl/am43xx.h?id=095cbe66973771fecd8e8b1e8763181363ef703e&amp;id2=020eb3daaba2857b32c4cf4c82f503d6a00a67de'>diff</a>)</td></tr></table>
<div class='commit-subject'>Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip</div><div class='commit-msg'>Pull x86 fix from Thomas Gleixner:
 "Restore the retrigger callbacks in the IO APIC irq chips. That
  addresses a long standing regression which got introduced with the
  rewrite of the x86 irq subsystem two years ago and went unnoticed so
  far"

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/ioapic: Restore IO-APIC irq_chip retrigger callback
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=095cbe66973771fecd8e8b1e8763181363ef703e'>Diffstat</a> (limited to 'include/dt-bindings/pinctrl/am43xx.h')</div><table summary='diffstat' class='diffstat'>