Differential D17903 Diff 51103 head/lib/libedit/chartype.c

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head/lib/libedit/chartype.c

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#include "config.h"		#include "config.h"
#if !defined(lint) && !defined(SCCSID)		#if !defined(lint) && !defined(SCCSID)
__RCSID("$NetBSD: chartype.c,v 1.23 2016/02/28 23:02:24 christos Exp $");		__RCSID("$NetBSD: chartype.c,v 1.23 2016/02/28 23:02:24 christos Exp $");
#endif /* not lint && not SCCSID */		#endif /* not lint && not SCCSID */
#include <sys/cdefs.h>		#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");		__FBSDID("$FreeBSD$");

#include <ctype.h>		#include <ctype.h>
		#include <limits.h>
#include <stdlib.h>		#include <stdlib.h>
#include <string.h>		#include <string.h>

#include "el.h"		#include "el.h"

#define CT_BUFSIZ ((size_t)1024)		#define CT_BUFSIZ ((size_t)1024)

#ifdef WIDECHAR		#ifdef WIDECHAR
▲ Show 20 Lines • Show All 129 Lines • ▼ Show 20 Lines	ct_decode_argv(int argc, const char argv[], ct_buffer_t conv)

return wargv;		return wargv;
}		}


protected size_t		protected size_t
ct_enc_width(Char c)		ct_enc_width(Char c)
{		{
/* UTF-8 encoding specific values */		mbstate_t ps = (mbstate_t){{0}};
if (c < 0x80)		size_t len;
return 1;		char cbuf[MB_LEN_MAX];
else if (c < 0x0800)		len = ct_wcrtomb(cbuf, c, &ps);
return 2;		if (len == (size_t)-1)
else if (c < 0x10000)		return (0);
return 3;		return (len);
else if (c < 0x110000)
return 4;
else
return 0; /* not a valid codepoint */
}		}

protected ssize_t		protected ssize_t
ct_encode_char(char *dst, size_t len, Char c)		ct_encode_char(char *dst, size_t len, Char c)
{		{
ssize_t l = 0;		ssize_t l = 0;
if (len < ct_enc_width(c))		if (len < ct_enc_width(c))
return -1;		return -1;
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