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-rw-r--r--lib/libedit/chartype.c384
1 files changed, 0 insertions, 384 deletions
diff --git a/lib/libedit/chartype.c b/lib/libedit/chartype.c
deleted file mode 100644
index 068a66a2b5cf..000000000000
--- a/lib/libedit/chartype.c
+++ /dev/null
@@ -1,384 +0,0 @@
-/* $NetBSD: chartype.c,v 1.23 2016/02/28 23:02:24 christos Exp $ */
-
-/*-
- * Copyright (c) 2009 The NetBSD Foundation, Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
- * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- */
-
-/*
- * chartype.c: character classification and meta information
- */
-#include "config.h"
-#if !defined(lint) && !defined(SCCSID)
-__RCSID("$NetBSD: chartype.c,v 1.23 2016/02/28 23:02:24 christos Exp $");
-#endif /* not lint && not SCCSID */
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
-#include <ctype.h>
-#include <limits.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "el.h"
-
-#define CT_BUFSIZ ((size_t)1024)
-
-#ifdef WIDECHAR
-protected int
-ct_conv_cbuff_resize(ct_buffer_t *conv, size_t csize)
-{
- void *p;
-
- if (csize <= conv->csize)
- return 0;
-
- conv->csize = csize;
-
- p = el_realloc(conv->cbuff, conv->csize * sizeof(*conv->cbuff));
- if (p == NULL) {
- conv->csize = 0;
- el_free(conv->cbuff);
- conv->cbuff = NULL;
- return -1;
- }
- conv->cbuff = p;
- return 0;
-}
-
-protected int
-ct_conv_wbuff_resize(ct_buffer_t *conv, size_t wsize)
-{
- void *p;
-
- if (wsize <= conv->wsize)
- return 0;
-
- conv->wsize = wsize;
-
- p = el_realloc(conv->wbuff, conv->wsize * sizeof(*conv->wbuff));
- if (p == NULL) {
- conv->wsize = 0;
- el_free(conv->wbuff);
- conv->wbuff = NULL;
- return -1;
- }
- conv->wbuff = p;
- return 0;
-}
-
-
-public char *
-ct_encode_string(const Char *s, ct_buffer_t *conv)
-{
- char *dst;
- ssize_t used;
-
- if (!s)
- return NULL;
-
- dst = conv->cbuff;
- for (;;) {
- used = (ssize_t)(dst - conv->cbuff);
- if ((conv->csize - (size_t)used) < 5) {
- if (ct_conv_cbuff_resize(conv,
- conv->csize + CT_BUFSIZ) == -1)
- return NULL;
- dst = conv->cbuff + used;
- }
- if (!*s)
- break;
- used = ct_encode_char(dst, (size_t)5, *s);
- if (used == -1) /* failed to encode, need more buffer space */
- abort();
- ++s;
- dst += used;
- }
- *dst = '\0';
- return conv->cbuff;
-}
-
-public Char *
-ct_decode_string(const char *s, ct_buffer_t *conv)
-{
- size_t len;
-
- if (!s)
- return NULL;
-
- len = ct_mbstowcs(NULL, s, (size_t)0);
- if (len == (size_t)-1)
- return NULL;
-
- if (conv->wsize < ++len)
- if (ct_conv_wbuff_resize(conv, len + CT_BUFSIZ) == -1)
- return NULL;
-
- ct_mbstowcs(conv->wbuff, s, conv->wsize);
- return conv->wbuff;
-}
-
-
-protected Char **
-ct_decode_argv(int argc, const char *argv[], ct_buffer_t *conv)
-{
- size_t bufspace;
- int i;
- Char *p;
- Char **wargv;
- ssize_t bytes;
-
- /* Make sure we have enough space in the conversion buffer to store all
- * the argv strings. */
- for (i = 0, bufspace = 0; i < argc; ++i)
- bufspace += argv[i] ? strlen(argv[i]) + 1 : 0;
- if (conv->wsize < ++bufspace)
- if (ct_conv_wbuff_resize(conv, bufspace + CT_BUFSIZ) == -1)
- return NULL;
-
- wargv = el_malloc((size_t)(argc + 1) * sizeof(*wargv));
-
- for (i = 0, p = conv->wbuff; i < argc; ++i) {
- if (!argv[i]) { /* don't pass null pointers to mbstowcs */
- wargv[i] = NULL;
- continue;
- } else {
- wargv[i] = p;
- bytes = (ssize_t)mbstowcs(p, argv[i], bufspace);
- }
- if (bytes == -1) {
- el_free(wargv);
- return NULL;
- } else
- bytes++; /* include '\0' in the count */
- bufspace -= (size_t)bytes;
- p += bytes;
- }
- wargv[i] = NULL;
-
- return wargv;
-}
-
-
-protected size_t
-ct_enc_width(Char c)
-{
- mbstate_t ps = (mbstate_t){{0}};
- size_t len;
- char cbuf[MB_LEN_MAX];
- len = ct_wcrtomb(cbuf, c, &ps);
- if (len == (size_t)-1)
- return (0);
- return (len);
-}
-
-protected ssize_t
-ct_encode_char(char *dst, size_t len, Char c)
-{
- ssize_t l = 0;
- if (len < ct_enc_width(c))
- return -1;
- l = ct_wctomb(dst, c);
-
- if (l < 0) {
- ct_wctomb_reset;
- l = 0;
- }
- return l;
-}
-
-size_t
-ct_mbrtowc(wchar_t *wc, const char *s, size_t n)
-{
- mbstate_t mbs;
- /* This only works because UTF-8 is stateless */
- memset(&mbs, 0, sizeof(mbs));
- return mbrtowc(wc, s, n, &mbs);
-}
-
-#else
-
-size_t
-ct_mbrtowc(wchar_t *wc, const char *s, size_t n)
-{
- if (s == NULL)
- return 0;
- if (n == 0)
- return (size_t)-2;
- if (wc != NULL)
- *wc = *s;
- return *s != '\0';
-}
-#endif
-
-protected const Char *
-ct_visual_string(const Char *s)
-{
- static Char *buff = NULL;
- static size_t buffsize = 0;
- void *p;
- Char *dst;
- ssize_t used = 0;
-
- if (!s)
- return NULL;
- if (!buff) {
- buffsize = CT_BUFSIZ;
- buff = el_malloc(buffsize * sizeof(*buff));
- }
- dst = buff;
- while (*s) {
- used = ct_visual_char(dst, buffsize - (size_t)(dst - buff), *s);
- if (used == -1) { /* failed to encode, need more buffer space */
- used = dst - buff;
- buffsize += CT_BUFSIZ;
- p = el_realloc(buff, buffsize * sizeof(*buff));
- if (p == NULL)
- goto out;
- buff = p;
- dst = buff + used;
- /* don't increment s here - we want to retry it! */
- }
- else
- ++s;
- dst += used;
- }
- if (dst >= (buff + buffsize)) { /* sigh */
- buffsize += 1;
- p = el_realloc(buff, buffsize * sizeof(*buff));
- if (p == NULL)
- goto out;
- buff = p;
- dst = buff + buffsize - 1;
- }
- *dst = 0;
- return buff;
-out:
- el_free(buff);
- buffsize = 0;
- return NULL;
-}
-
-
-
-protected int
-ct_visual_width(Char c)
-{
- int t = ct_chr_class(c);
- switch (t) {
- case CHTYPE_ASCIICTL:
- return 2; /* ^@ ^? etc. */
- case CHTYPE_TAB:
- return 1; /* Hmm, this really need to be handled outside! */
- case CHTYPE_NL:
- return 0; /* Should this be 1 instead? */
-#ifdef WIDECHAR
- case CHTYPE_PRINT:
- return wcwidth(c);
- case CHTYPE_NONPRINT:
- if (c > 0xffff) /* prefer standard 4-byte display over 5-byte */
- return 8; /* \U+12345 */
- else
- return 7; /* \U+1234 */
-#else
- case CHTYPE_PRINT:
- return 1;
- case CHTYPE_NONPRINT:
- return 4; /* \123 */
-#endif
- default:
- return 0; /* should not happen */
- }
-}
-
-
-protected ssize_t
-ct_visual_char(Char *dst, size_t len, Char c)
-{
- int t = ct_chr_class(c);
- switch (t) {
- case CHTYPE_TAB:
- case CHTYPE_NL:
- case CHTYPE_ASCIICTL:
- if (len < 2)
- return -1; /* insufficient space */
- *dst++ = '^';
- if (c == '\177')
- *dst = '?'; /* DEL -> ^? */
- else
- *dst = c | 0100; /* uncontrolify it */
- return 2;
- case CHTYPE_PRINT:
- if (len < 1)
- return -1; /* insufficient space */
- *dst = c;
- return 1;
- case CHTYPE_NONPRINT:
- /* we only use single-width glyphs for display,
- * so this is right */
- if ((ssize_t)len < ct_visual_width(c))
- return -1; /* insufficient space */
-#ifdef WIDECHAR
- *dst++ = '\\';
- *dst++ = 'U';
- *dst++ = '+';
-#define tohexdigit(v) "0123456789ABCDEF"[v]
- if (c > 0xffff) /* prefer standard 4-byte display over 5-byte */
- *dst++ = tohexdigit(((unsigned int) c >> 16) & 0xf);
- *dst++ = tohexdigit(((unsigned int) c >> 12) & 0xf);
- *dst++ = tohexdigit(((unsigned int) c >> 8) & 0xf);
- *dst++ = tohexdigit(((unsigned int) c >> 4) & 0xf);
- *dst = tohexdigit(((unsigned int) c ) & 0xf);
- return c > 0xffff ? 8 : 7;
-#else
- *dst++ = '\\';
-#define tooctaldigit(v) (Char)((v) + '0')
- *dst++ = tooctaldigit(((unsigned int) c >> 6) & 0x7);
- *dst++ = tooctaldigit(((unsigned int) c >> 3) & 0x7);
- *dst++ = tooctaldigit(((unsigned int) c ) & 0x7);
-#endif
- /*FALLTHROUGH*/
- /* these two should be handled outside this function */
- default: /* we should never hit the default */
- return 0;
- }
-}
-
-
-
-
-protected int
-ct_chr_class(Char c)
-{
- if (c == '\t')
- return CHTYPE_TAB;
- else if (c == '\n')
- return CHTYPE_NL;
- else if (IsASCII(c) && Iscntrl(c))
- return CHTYPE_ASCIICTL;
- else if (Isprint(c))
- return CHTYPE_PRINT;
- else
- return CHTYPE_NONPRINT;
-}