diff options
author | marha <marha@users.sourceforge.net> | 2011-02-22 15:03:18 +0000 |
---|---|---|
committer | marha <marha@users.sourceforge.net> | 2011-02-22 15:03:18 +0000 |
commit | aa5b2e956fcc17b27d0f20ba7af65c52b34ef135 (patch) | |
tree | 6117dbd9745f6fa241d5ca19af20d1c3adb6e859 /libX11/modules/im/ximcp/imLcLkup.c | |
parent | 2d47702332ee534cda7f913e8d7892e53e4e23dc (diff) | |
parent | 9273afeeb4499a0493f120b7525e17b6ae51113e (diff) | |
download | vcxsrv-aa5b2e956fcc17b27d0f20ba7af65c52b34ef135.tar.gz vcxsrv-aa5b2e956fcc17b27d0f20ba7af65c52b34ef135.tar.bz2 vcxsrv-aa5b2e956fcc17b27d0f20ba7af65c52b34ef135.zip |
svn merge ^/branches/released .
Diffstat (limited to 'libX11/modules/im/ximcp/imLcLkup.c')
-rw-r--r-- | libX11/modules/im/ximcp/imLcLkup.c | 824 |
1 files changed, 417 insertions, 407 deletions
diff --git a/libX11/modules/im/ximcp/imLcLkup.c b/libX11/modules/im/ximcp/imLcLkup.c index 813efcd25..c62a9106c 100644 --- a/libX11/modules/im/ximcp/imLcLkup.c +++ b/libX11/modules/im/ximcp/imLcLkup.c @@ -1,407 +1,417 @@ -/****************************************************************** - - Copyright 1992 by Fuji Xerox Co., Ltd. - Copyright 1992, 1994 by FUJITSU LIMITED - -Permission to use, copy, modify, distribute, and sell this software -and its documentation for any purpose is hereby granted without fee, -provided that the above copyright notice appear in all copies and -that both that copyright notice and this permission notice appear -in supporting documentation, and that the name of Fuji Xerox, -FUJITSU LIMITED not be used in advertising or publicity pertaining -to distribution of the software without specific, written prior -permission. Fuji Xerox, FUJITSU LIMITED make no representations -about the suitability of this software for any purpose. -It is provided "as is" without express or implied warranty. - -FUJI XEROX, FUJITSU LIMITED DISCLAIM ALL WARRANTIES WITH -REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF -MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL FUJI XEROX, -FUJITSU LIMITED BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL -DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA -OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER -TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR -PERFORMANCE OF THIS SOFTWARE. - - Author: Kazunori Nishihara Fuji Xerox - Takashi Fujiwara FUJITSU LIMITED - fujiwara@a80.tech.yk.fujitsu.co.jp - -******************************************************************/ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include <stdio.h> -#include <X11/Xatom.h> -#include <X11/Xos.h> -#include <X11/Xlib.h> -#include <X11/keysym.h> -#include <X11/Xutil.h> -#include "Xlibint.h" -#include "Xlcint.h" -#include "XlcPubI.h" -#include "Ximint.h" - -Public int -_XimLocalMbLookupString(XIC xic, XKeyEvent *ev, char *buffer, int bytes, - KeySym *keysym, Status *status) -{ - Xic ic = (Xic)xic; - int ret; - DefTree *b = ic->private.local.base.tree; - char *mb = ic->private.local.base.mb; - - if(ev->type != KeyPress) { - if(status) *status = XLookupNone; - return(0); - } - if(ev->keycode == 0 && - ( (ic->private.local.composed != 0) - ||(ic->private.local.brl_committed != 0))) { - if (ic->private.local.brl_committed != 0) { /* Braille Event */ - unsigned char pattern = ic->private.local.brl_committed; - char *mb=alloca(XLC_PUBLIC(ic->core.im->core.lcd, mb_cur_max)); - ret = _Xlcwctomb(ic->core.im->core.lcd, mb, BRL_UC_ROW | pattern); - if(ret < 0) { - if(status) *status = XLookupNone; - return(0); - } - if(ret > bytes) { - if(status) *status = XBufferOverflow; - return(ret); - } - if(keysym) { - *keysym = XK_braille_blank | pattern; - if(status) *status = XLookupBoth; - } else - if(status) *status = XLookupChars; - memcpy(buffer, mb, ret); - } else { /* Composed Event */ - ret = strlen(&mb[b[ic->private.local.composed].mb]); - if(ret > bytes) { - if(status) *status = XBufferOverflow; - return(ret); - } - memcpy(buffer, &mb[b[ic->private.local.composed].mb], ret); - if(keysym) *keysym = b[ic->private.local.composed].ks; - if (ret > 0) { - if (keysym && *keysym != NoSymbol) { - if(status) *status = XLookupBoth; - } else { - if(status) *status = XLookupChars; - } - } else { - if(keysym && *keysym != NoSymbol) { - if(status) *status = XLookupKeySym; - } else { - if(status) *status = XLookupNone; - } - } - } - return (ret); - } else { /* Throughed Event */ - ret = _XimLookupMBText(ic, ev, buffer, bytes, keysym, NULL); - if(ret > 0) { - if (ret > bytes) { - if (status) *status = XBufferOverflow; - } else if (keysym && *keysym != NoSymbol) { - if(status) *status = XLookupBoth; - } else { - if(status) *status = XLookupChars; - } - } else { - if(keysym && *keysym != NoSymbol) { - if(status) *status = XLookupKeySym; - } else { - if(status) *status = XLookupNone; - } - } - } - return (ret); -} - -Public int -_XimLocalWcLookupString(XIC xic, XKeyEvent *ev, wchar_t *buffer, int wlen, - KeySym *keysym, Status *status) -{ - Xic ic = (Xic)xic; - int ret; - DefTree *b = ic->private.local.base.tree; - wchar_t *wc = ic->private.local.base.wc; - - if(ev->type != KeyPress) { - if(status) *status = XLookupNone; - return(0); - } - if(ev->keycode == 0) { - if (ic->private.local.brl_committed != 0) { /* Braille Event */ - unsigned char pattern = ic->private.local.brl_committed; - ret = 1; - if (ret > wlen) { - if(status) *status = XBufferOverflow; - return (ret); - } - *buffer = BRL_UC_ROW | pattern; - if(keysym) { - *keysym = XK_braille_blank | pattern; - if(status) *status = XLookupBoth; - } else - if(status) *status = XLookupChars; - } else { /* Composed Event */ - ret = _Xwcslen(&wc[b[ic->private.local.composed].wc]); - if(ret > wlen) { - if(status) *status = XBufferOverflow; - return (ret); - } - memcpy((char *)buffer, (char *)&wc[b[ic->private.local.composed].wc], - ret * sizeof(wchar_t)); - if(keysym) *keysym = b[ic->private.local.composed].ks; - if (ret > 0) { - if (keysym && *keysym != NoSymbol) { - if(status) *status = XLookupBoth; - } else { - if(status) *status = XLookupChars; - } - } else { - if(keysym && *keysym != NoSymbol) { - if(status) *status = XLookupKeySym; - } else { - if(status) *status = XLookupNone; - } - } - } - return (ret); - } else { /* Throughed Event */ - ret = _XimLookupWCText(ic, ev, buffer, wlen, keysym, NULL); - if(ret > 0) { - if (ret > wlen) { - if (status) *status = XBufferOverflow; - } else if (keysym && *keysym != NoSymbol) { - if(status) *status = XLookupBoth; - } else { - if(status) *status = XLookupChars; - } - } else { - if(keysym && *keysym != NoSymbol) { - if(status) *status = XLookupKeySym; - } else { - if(status) *status = XLookupNone; - } - } - } - return (ret); -} - -Public int -_XimLocalUtf8LookupString(XIC xic, XKeyEvent *ev, char *buffer, int bytes, - KeySym *keysym, Status *status) -{ - Xic ic = (Xic)xic; - int ret; - DefTree *b = ic->private.local.base.tree; - char *utf8 = ic->private.local.base.utf8; - - if(ev->type != KeyPress) { - if(status) *status = XLookupNone; - return(0); - } - if(ev->keycode == 0) { - if (ic->private.local.brl_committed != 0) { /* Braille Event */ - unsigned char pattern = ic->private.local.brl_committed; - ret = 3; - if (ret > bytes) { - if(status) *status = XBufferOverflow; - return (ret); - } - buffer[0] = 0xe0 | ((BRL_UC_ROW >> 12) & 0x0f); - buffer[1] = 0x80 | ((BRL_UC_ROW >> 8) & 0x30) | (pattern >> 6); - buffer[2] = 0x80 | (pattern & 0x3f); - } else { /* Composed Event */ - ret = strlen(&utf8[b[ic->private.local.composed].utf8]); - if(ret > bytes) { - if(status) *status = XBufferOverflow; - return (ret); - } - memcpy(buffer, &utf8[b[ic->private.local.composed].utf8], ret); - if(keysym) *keysym = b[ic->private.local.composed].ks; - if (ret > 0) { - if (keysym && *keysym != NoSymbol) { - if(status) *status = XLookupBoth; - } else { - if(status) *status = XLookupChars; - } - } else { - if(keysym && *keysym != NoSymbol) { - if(status) *status = XLookupKeySym; - } else { - if(status) *status = XLookupNone; - } - } - } - return (ret); - } else { /* Throughed Event */ - ret = _XimLookupUTF8Text(ic, ev, buffer, bytes, keysym, NULL); - if(ret > 0) { - if (ret > bytes) { - if (status) *status = XBufferOverflow; - } else if (keysym && *keysym != NoSymbol) { - if(status) *status = XLookupBoth; - } else { - if(status) *status = XLookupChars; - } - } else { - if(keysym && *keysym != NoSymbol) { - if(status) *status = XLookupKeySym; - } else { - if(status) *status = XLookupNone; - } - } - } - return (ret); -} - -Private int -_XimLcctsconvert( - XlcConv conv, - char *from, - int from_len, - char *to, - int to_len, - Status *state) -{ - int from_left; - int to_left; - int from_savelen; - int to_savelen; - int from_cnvlen; - int to_cnvlen; - char *from_buf; - char *to_buf; - char scratchbuf[BUFSIZ]; - Status tmp_state; - - if (!state) - state = &tmp_state; - - if (!conv || !from || !from_len) { - *state = XLookupNone; - return 0; - } - - /* Reset the converter. The CompoundText at 'from' starts in - initial state. */ - _XlcResetConverter(conv); - - from_left = from_len; - to_left = BUFSIZ; - from_cnvlen = 0; - to_cnvlen = 0; - for (;;) { - from_buf = &from[from_cnvlen]; - from_savelen = from_left; - to_buf = &scratchbuf[to_cnvlen]; - to_savelen = to_left; - if (_XlcConvert(conv, (XPointer *)&from_buf, &from_left, - (XPointer *)&to_buf, &to_left, NULL, 0) < 0) { - *state = XLookupNone; - return 0; - } - from_cnvlen += (from_savelen - from_left); - to_cnvlen += (to_savelen - to_left); - if (from_left == 0) { - if (!to_cnvlen) { - *state = XLookupNone; - return 0; - } - break; - } - } - - if (!to || !to_len || (to_len < to_cnvlen)) { - *state = XBufferOverflow; - } else { - memcpy(to, scratchbuf, to_cnvlen); - *state = XLookupChars; - } - return to_cnvlen; -} - -Public int -_XimLcctstombs(XIM xim, char *from, int from_len, - char *to, int to_len, Status *state) -{ - return _XimLcctsconvert(((Xim)xim)->private.local.ctom_conv, - from, from_len, to, to_len, state); -} - -Public int -_XimLcctstowcs(XIM xim, char *from, int from_len, - wchar_t *to, int to_len, Status *state) -{ - Xim im = (Xim)xim; - XlcConv conv = im->private.local.ctow_conv; - int from_left; - int to_left; - int from_savelen; - int to_savelen; - int from_cnvlen; - int to_cnvlen; - char *from_buf; - wchar_t *to_buf; - wchar_t scratchbuf[BUFSIZ]; - Status tmp_state; - - if (!state) - state = &tmp_state; - - if (!conv || !from || !from_len) { - *state = XLookupNone; - return 0; - } - - /* Reset the converter. The CompoundText at 'from' starts in - initial state. */ - _XlcResetConverter(conv); - - from_left = from_len; - to_left = BUFSIZ; - from_cnvlen = 0; - to_cnvlen = 0; - for (;;) { - from_buf = &from[from_cnvlen]; - from_savelen = from_left; - to_buf = &scratchbuf[to_cnvlen]; - to_savelen = to_left; - if (_XlcConvert(conv, (XPointer *)&from_buf, &from_left, - (XPointer *)&to_buf, &to_left, NULL, 0) < 0) { - *state = XLookupNone; - return 0; - } - from_cnvlen += (from_savelen - from_left); - to_cnvlen += (to_savelen - to_left); - if (from_left == 0) { - if (!to_cnvlen){ - *state = XLookupNone; - return 0; - } - break; - } - } - - if (!to || !to_len || (to_len < to_cnvlen)) { - *state = XBufferOverflow; - } else { - memcpy(to, scratchbuf, to_cnvlen * sizeof(wchar_t)); - *state = XLookupChars; - } - return to_cnvlen; -} - -Public int -_XimLcctstoutf8(XIM xim, char *from, int from_len, - char *to, int to_len, Status *state) -{ - return _XimLcctsconvert(((Xim)xim)->private.local.ctoutf8_conv, - from, from_len, to, to_len, state); -} +/******************************************************************
+
+ Copyright 1992 by Fuji Xerox Co., Ltd.
+ Copyright 1992, 1994 by FUJITSU LIMITED
+
+Permission to use, copy, modify, distribute, and sell this software
+and its documentation for any purpose is hereby granted without fee,
+provided that the above copyright notice appear in all copies and
+that both that copyright notice and this permission notice appear
+in supporting documentation, and that the name of Fuji Xerox,
+FUJITSU LIMITED not be used in advertising or publicity pertaining
+to distribution of the software without specific, written prior
+permission. Fuji Xerox, FUJITSU LIMITED make no representations
+about the suitability of this software for any purpose.
+It is provided "as is" without express or implied warranty.
+
+FUJI XEROX, FUJITSU LIMITED DISCLAIM ALL WARRANTIES WITH
+REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL FUJI XEROX,
+FUJITSU LIMITED BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL
+DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA
+OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+PERFORMANCE OF THIS SOFTWARE.
+
+ Author: Kazunori Nishihara Fuji Xerox
+ Takashi Fujiwara FUJITSU LIMITED
+ fujiwara@a80.tech.yk.fujitsu.co.jp
+
+******************************************************************/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <stdio.h>
+#include <X11/Xatom.h>
+#include <X11/Xos.h>
+#include <X11/Xlib.h>
+#include <X11/keysym.h>
+#include <X11/Xutil.h>
+#include "Xlibint.h"
+#include "Xlcint.h"
+#include "XlcPubI.h"
+#include "Ximint.h"
+
+Public int
+_XimLocalMbLookupString(XIC xic, XKeyEvent *ev, char *buffer, int bytes,
+ KeySym *keysym, Status *status)
+{
+ Xic ic = (Xic)xic;
+ int ret;
+ DefTree *b = ic->private.local.base.tree;
+ char *mb = ic->private.local.base.mb;
+
+ if(ev->type != KeyPress) {
+ if(status) *status = XLookupNone;
+ return(0);
+ }
+ if(ev->keycode == 0 &&
+ ( (ic->private.local.composed != 0)
+ ||(ic->private.local.brl_committed != 0))) {
+ if (ic->private.local.brl_committed != 0) { /* Braille Event */
+ unsigned char pattern = ic->private.local.brl_committed;
+ char *mb=alloca(XLC_PUBLIC(ic->core.im->core.lcd, mb_cur_max));
+ ret = _Xlcwctomb(ic->core.im->core.lcd, mb, BRL_UC_ROW | pattern);
+ if(ret > bytes) {
+ if(status) *status = XBufferOverflow;
+ return(ret);
+ }
+ if(keysym) *keysym = XK_braille_blank | pattern;
+ if(ret > 0) {
+ if (keysym) {
+ if(status) *status = XLookupBoth;
+ } else {
+ if(status) *status = XLookupChars;
+ }
+ memcpy(buffer, mb, ret);
+ } else {
+ if(keysym) {
+ if(status) *status = XLookupKeySym;
+ } else {
+ if(status) *status = XLookupNone;
+ }
+ }
+ } else { /* Composed Event */
+ ret = strlen(&mb[b[ic->private.local.composed].mb]);
+ if(ret > bytes) {
+ if(status) *status = XBufferOverflow;
+ return(ret);
+ }
+ memcpy(buffer, &mb[b[ic->private.local.composed].mb], ret);
+ if(keysym) *keysym = b[ic->private.local.composed].ks;
+ if (ret > 0) {
+ if (keysym && *keysym != NoSymbol) {
+ if(status) *status = XLookupBoth;
+ } else {
+ if(status) *status = XLookupChars;
+ }
+ } else {
+ if(keysym && *keysym != NoSymbol) {
+ if(status) *status = XLookupKeySym;
+ } else {
+ if(status) *status = XLookupNone;
+ }
+ }
+ }
+ return (ret);
+ } else { /* Throughed Event */
+ ret = _XimLookupMBText(ic, ev, buffer, bytes, keysym, NULL);
+ if(ret > 0) {
+ if (ret > bytes) {
+ if (status) *status = XBufferOverflow;
+ } else if (keysym && *keysym != NoSymbol) {
+ if(status) *status = XLookupBoth;
+ } else {
+ if(status) *status = XLookupChars;
+ }
+ } else {
+ if(keysym && *keysym != NoSymbol) {
+ if(status) *status = XLookupKeySym;
+ } else {
+ if(status) *status = XLookupNone;
+ }
+ }
+ }
+ return (ret);
+}
+
+Public int
+_XimLocalWcLookupString(XIC xic, XKeyEvent *ev, wchar_t *buffer, int wlen,
+ KeySym *keysym, Status *status)
+{
+ Xic ic = (Xic)xic;
+ int ret;
+ DefTree *b = ic->private.local.base.tree;
+ wchar_t *wc = ic->private.local.base.wc;
+
+ if(ev->type != KeyPress) {
+ if(status) *status = XLookupNone;
+ return(0);
+ }
+ if(ev->keycode == 0) {
+ if (ic->private.local.brl_committed != 0) { /* Braille Event */
+ unsigned char pattern = ic->private.local.brl_committed;
+ ret = 1;
+ if (ret > wlen) {
+ if(status) *status = XBufferOverflow;
+ return (ret);
+ }
+ *buffer = BRL_UC_ROW | pattern;
+ if(keysym) {
+ *keysym = XK_braille_blank | pattern;
+ if(status) *status = XLookupBoth;
+ } else
+ if(status) *status = XLookupChars;
+ } else { /* Composed Event */
+ ret = _Xwcslen(&wc[b[ic->private.local.composed].wc]);
+ if(ret > wlen) {
+ if(status) *status = XBufferOverflow;
+ return (ret);
+ }
+ memcpy((char *)buffer, (char *)&wc[b[ic->private.local.composed].wc],
+ ret * sizeof(wchar_t));
+ if(keysym) *keysym = b[ic->private.local.composed].ks;
+ if (ret > 0) {
+ if (keysym && *keysym != NoSymbol) {
+ if(status) *status = XLookupBoth;
+ } else {
+ if(status) *status = XLookupChars;
+ }
+ } else {
+ if(keysym && *keysym != NoSymbol) {
+ if(status) *status = XLookupKeySym;
+ } else {
+ if(status) *status = XLookupNone;
+ }
+ }
+ }
+ return (ret);
+ } else { /* Throughed Event */
+ ret = _XimLookupWCText(ic, ev, buffer, wlen, keysym, NULL);
+ if(ret > 0) {
+ if (ret > wlen) {
+ if (status) *status = XBufferOverflow;
+ } else if (keysym && *keysym != NoSymbol) {
+ if(status) *status = XLookupBoth;
+ } else {
+ if(status) *status = XLookupChars;
+ }
+ } else {
+ if(keysym && *keysym != NoSymbol) {
+ if(status) *status = XLookupKeySym;
+ } else {
+ if(status) *status = XLookupNone;
+ }
+ }
+ }
+ return (ret);
+}
+
+Public int
+_XimLocalUtf8LookupString(XIC xic, XKeyEvent *ev, char *buffer, int bytes,
+ KeySym *keysym, Status *status)
+{
+ Xic ic = (Xic)xic;
+ int ret;
+ DefTree *b = ic->private.local.base.tree;
+ char *utf8 = ic->private.local.base.utf8;
+
+ if(ev->type != KeyPress) {
+ if(status) *status = XLookupNone;
+ return(0);
+ }
+ if(ev->keycode == 0) {
+ if (ic->private.local.brl_committed != 0) { /* Braille Event */
+ unsigned char pattern = ic->private.local.brl_committed;
+ ret = 3;
+ if (ret > bytes) {
+ if(status) *status = XBufferOverflow;
+ return (ret);
+ }
+ buffer[0] = 0xe0 | ((BRL_UC_ROW >> 12) & 0x0f);
+ buffer[1] = 0x80 | ((BRL_UC_ROW >> 8) & 0x30) | (pattern >> 6);
+ buffer[2] = 0x80 | (pattern & 0x3f);
+ if(keysym) {
+ *keysym = XK_braille_blank | pattern;
+ if(status) *status = XLookupBoth;
+ } else
+ if(status) *status = XLookupChars;
+ } else { /* Composed Event */
+ ret = strlen(&utf8[b[ic->private.local.composed].utf8]);
+ if(ret > bytes) {
+ if(status) *status = XBufferOverflow;
+ return (ret);
+ }
+ memcpy(buffer, &utf8[b[ic->private.local.composed].utf8], ret);
+ if(keysym) *keysym = b[ic->private.local.composed].ks;
+ if (ret > 0) {
+ if (keysym && *keysym != NoSymbol) {
+ if(status) *status = XLookupBoth;
+ } else {
+ if(status) *status = XLookupChars;
+ }
+ } else {
+ if(keysym && *keysym != NoSymbol) {
+ if(status) *status = XLookupKeySym;
+ } else {
+ if(status) *status = XLookupNone;
+ }
+ }
+ }
+ return (ret);
+ } else { /* Throughed Event */
+ ret = _XimLookupUTF8Text(ic, ev, buffer, bytes, keysym, NULL);
+ if(ret > 0) {
+ if (ret > bytes) {
+ if (status) *status = XBufferOverflow;
+ } else if (keysym && *keysym != NoSymbol) {
+ if(status) *status = XLookupBoth;
+ } else {
+ if(status) *status = XLookupChars;
+ }
+ } else {
+ if(keysym && *keysym != NoSymbol) {
+ if(status) *status = XLookupKeySym;
+ } else {
+ if(status) *status = XLookupNone;
+ }
+ }
+ }
+ return (ret);
+}
+
+Private int
+_XimLcctsconvert(
+ XlcConv conv,
+ char *from,
+ int from_len,
+ char *to,
+ int to_len,
+ Status *state)
+{
+ int from_left;
+ int to_left;
+ int from_savelen;
+ int to_savelen;
+ int from_cnvlen;
+ int to_cnvlen;
+ char *from_buf;
+ char *to_buf;
+ char scratchbuf[BUFSIZ];
+ Status tmp_state;
+
+ if (!state)
+ state = &tmp_state;
+
+ if (!conv || !from || !from_len) {
+ *state = XLookupNone;
+ return 0;
+ }
+
+ /* Reset the converter. The CompoundText at 'from' starts in
+ initial state. */
+ _XlcResetConverter(conv);
+
+ from_left = from_len;
+ to_left = BUFSIZ;
+ from_cnvlen = 0;
+ to_cnvlen = 0;
+ for (;;) {
+ from_buf = &from[from_cnvlen];
+ from_savelen = from_left;
+ to_buf = &scratchbuf[to_cnvlen];
+ to_savelen = to_left;
+ if (_XlcConvert(conv, (XPointer *)&from_buf, &from_left,
+ (XPointer *)&to_buf, &to_left, NULL, 0) < 0) {
+ *state = XLookupNone;
+ return 0;
+ }
+ from_cnvlen += (from_savelen - from_left);
+ to_cnvlen += (to_savelen - to_left);
+ if (from_left == 0) {
+ if (!to_cnvlen) {
+ *state = XLookupNone;
+ return 0;
+ }
+ break;
+ }
+ }
+
+ if (!to || !to_len || (to_len < to_cnvlen)) {
+ *state = XBufferOverflow;
+ } else {
+ memcpy(to, scratchbuf, to_cnvlen);
+ *state = XLookupChars;
+ }
+ return to_cnvlen;
+}
+
+Public int
+_XimLcctstombs(XIM xim, char *from, int from_len,
+ char *to, int to_len, Status *state)
+{
+ return _XimLcctsconvert(((Xim)xim)->private.local.ctom_conv,
+ from, from_len, to, to_len, state);
+}
+
+Public int
+_XimLcctstowcs(XIM xim, char *from, int from_len,
+ wchar_t *to, int to_len, Status *state)
+{
+ Xim im = (Xim)xim;
+ XlcConv conv = im->private.local.ctow_conv;
+ int from_left;
+ int to_left;
+ int from_savelen;
+ int to_savelen;
+ int from_cnvlen;
+ int to_cnvlen;
+ char *from_buf;
+ wchar_t *to_buf;
+ wchar_t scratchbuf[BUFSIZ];
+ Status tmp_state;
+
+ if (!state)
+ state = &tmp_state;
+
+ if (!conv || !from || !from_len) {
+ *state = XLookupNone;
+ return 0;
+ }
+
+ /* Reset the converter. The CompoundText at 'from' starts in
+ initial state. */
+ _XlcResetConverter(conv);
+
+ from_left = from_len;
+ to_left = BUFSIZ;
+ from_cnvlen = 0;
+ to_cnvlen = 0;
+ for (;;) {
+ from_buf = &from[from_cnvlen];
+ from_savelen = from_left;
+ to_buf = &scratchbuf[to_cnvlen];
+ to_savelen = to_left;
+ if (_XlcConvert(conv, (XPointer *)&from_buf, &from_left,
+ (XPointer *)&to_buf, &to_left, NULL, 0) < 0) {
+ *state = XLookupNone;
+ return 0;
+ }
+ from_cnvlen += (from_savelen - from_left);
+ to_cnvlen += (to_savelen - to_left);
+ if (from_left == 0) {
+ if (!to_cnvlen){
+ *state = XLookupNone;
+ return 0;
+ }
+ break;
+ }
+ }
+
+ if (!to || !to_len || (to_len < to_cnvlen)) {
+ *state = XBufferOverflow;
+ } else {
+ memcpy(to, scratchbuf, to_cnvlen * sizeof(wchar_t));
+ *state = XLookupChars;
+ }
+ return to_cnvlen;
+}
+
+Public int
+_XimLcctstoutf8(XIM xim, char *from, int from_len,
+ char *to, int to_len, Status *state)
+{
+ return _XimLcctsconvert(((Xim)xim)->private.local.ctoutf8_conv,
+ from, from_len, to, to_len, state);
+}
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