1 files changed, 356 insertions, 357 deletions
diff --git a/libX11/src/imConv.c b/libX11/src/imConv.c
index 4068b59ba..7c1ed89cf 100644
--- a/libX11/src/imConv.c
+++ b/libX11/src/imConv.c
@@ -1,357 +1,356 @@
-/******************************************************************
-
-              Copyright 1991, 1992 by Fuji Xerox Co.,Ltd.
-	      Copyright 1993, 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 Co.,Ltd.
-, and that the name of FUJITSU LIMITED not be used in advertising or
-publicity pertaining to distribution of the software without specific,
- written prior permission.
-Fuji Xerox Co.,Ltd. , and FUJITSU LIMITED makes no representations about
-the suitability of this software for any purpose.
-It is provided "as is" without express or implied warranty.
-
-FUJI XEROX CO.,LTD. AND FUJITSU LIMITED DISCLAIMS ALL WARRANTIES WITH
-REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF
-MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL FUJI XEROX CO.,LTD.
-AND 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.
-
-  Auther:   Kazunori Nishihara, Fuji Xerox Co.,Ltd.
-                                kaz@ssdev.ksp.fujixerox.co.jp
-  Modifier: Takashi Fujiwara    FUJITSU LIMITED
-                                fujiwara@a80.tech.yk.fujitsu.co.jp
-
-******************************************************************/
-/* 2000 Modifier: Ivan Pascal	The XFree86 Project.
- */
-
-#define NEED_EVENTS
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-#include <stdio.h>
-#include "Xlibint.h"
-#include "Xlcint.h"
-#include "Ximint.h"
-#include "XlcPubI.h"
-
-#ifdef XKB
-/*
- * rather than just call _XLookupString (i.e. the pre-XKB XLookupString)
- * do this because with XKB the event may have some funky modifiers that
- * _XLookupString doesn't grok.
- */
-#include "XKBlib.h"
-#define	XLOOKUPSTRING lookup_string
-#else
-#define	XLOOKUPSTRING XLookupString
-#endif
-
-typedef unsigned int ucs4_t;
-
-typedef int (*ucstocsConvProc)(
-    XPointer,
-    unsigned char *,
-    ucs4_t,
-    int
-);
-
-struct SubstRec {
-    const char encoding_name[8];
-    const char charset_name[12];
-};
-
-static const struct SubstRec SubstTable[] = {
-    {"STRING", "ISO8859-1"},
-    {"TIS620", "TIS620-0"},
-    {"UTF-8",  "ISO10646-1"}
-};
-#define num_substitute (sizeof SubstTable / sizeof SubstTable[0])
-
-/*
- * Given the name of a charset, returns the pointer to convertors
- * from UCS char to specified charset char.
- * This converter is needed for _XimGetCharCode subroutine.
- */
-XPointer
-_XimGetLocaleCode (
-    _Xconst char*	encoding_name)
-{
-    XPointer cvt = _Utf8GetConvByName(encoding_name);
-    if (!cvt && encoding_name) {
-       int i;
-       for (i = 0; i < num_substitute; i++)
-           if (!strcmp(encoding_name, SubstTable[i].encoding_name))
-               return _Utf8GetConvByName(SubstTable[i].charset_name);
-    }
-    return cvt;
-}
-
-/*
- * Returns the locale dependent representation of a keysym.
- * The locale's encoding is passed in form of pointer to UCS convertor.
- * The resulting multi-byte sequence is placed starting at buf (a buffer
- * with nbytes bytes, nbytes should be >= 8) and is NUL terminated.
- * Returns the length of the resulting multi-byte sequence, excluding the
- * terminating NUL byte. Return 0 if the keysym is not representable in the
- * locale
- */
-/*ARGSUSED*/
-int
-_XimGetCharCode (
-    XPointer            ucs_conv,
-    KeySym 		keysym,
-    unsigned char*	buf,
-    int 		nbytes)
-{
-    int count = 0;
-    ucstocsConvProc cvt = (ucstocsConvProc) ucs_conv;
-    ucs4_t ucs4;
-
-    if (keysym < 0x80) {
-        buf[0] = (char) keysym;
-        count = 1;
-    } else if (cvt) {
-        ucs4 = KeySymToUcs4(keysym);
-        if (ucs4)
-            count = (*cvt)((XPointer)NULL, buf, ucs4, nbytes);
-    }
-
-    if (count < 0)
-       	count = 0;
-    if (count>nbytes)
-        return nbytes;
-    if (count<nbytes)
-        buf[count]= '\0';
-    return count;
-}
-
-#ifdef XKB
-static int lookup_string(
-    XKeyEvent*		event,
-    char*		buffer,
-    int			nbytes,
-    KeySym*		keysym,
-    XComposeStatus*	status)
-{
-    int ret;
-    unsigned ctrls = XkbGetXlibControls (event->display);
-    XkbSetXlibControls (event->display,
-			XkbLC_ForceLatin1Lookup, XkbLC_ForceLatin1Lookup);
-    ret = XLookupString(event, (char *)buffer, nbytes, keysym, status);
-    XkbSetXlibControls (event->display,
-			XkbLC_ForceLatin1Lookup, ctrls);
-    return ret;
-}
-#endif
-
-#define BUF_SIZE (20)
-
-int
-_XimLookupMBText(
-    Xic			 ic,
-    XKeyEvent*		event,
-    char*		buffer,
-    int			nbytes,
-    KeySym*		keysym,
-    XComposeStatus*	status)
-{
-    int count;
-    KeySym symbol;
-    Status	dummy;
-    Xim	im = (Xim)ic->core.im;
-    XimCommonPrivateRec* private = &im->private.common;
-    unsigned char look[BUF_SIZE];
-    ucs4_t ucs4;
-
-    /* force a latin-1 lookup for compatibility */
-    count = XLOOKUPSTRING(event, (char *)buffer, nbytes, &symbol, status);
-    if (keysym != NULL) *keysym = symbol;
-    if ((nbytes == 0) || (symbol == NoSymbol)) return count;
-
-    if (count > 1) {
-	memcpy(look, (char *)buffer,count);
-	look[count] = '\0';
-	if ((count = im->methods->ctstombs(ic->core.im,
-				(char*) look, count,
-				buffer, nbytes, &dummy)) < 0) {
-	    count = 0;
-	}
-    } else if ((count == 0) ||
-	       (count == 1 && (symbol > 0x7f && symbol < 0xff00))) {
-
-        XPointer from = (XPointer) &ucs4;
-        XPointer to =   (XPointer) look;
-        int from_len = 1;
-        int to_len = BUF_SIZE;
-        XPointer args[1];
-        XlcCharSet charset;
-        args[0] = (XPointer) &charset;
-        ucs4 = (ucs4_t) KeySymToUcs4(symbol);
-        if (!ucs4)
-            return 0;
-
-	if (_XlcConvert(private->ucstoc_conv,
-                        &from, &from_len, &to, &to_len,
-                        args, 1 ) != 0) {
-	    count = 0;
-	} else {
-            from = (XPointer) look;
-            to =   (XPointer) buffer;
-            from_len = BUF_SIZE - to_len;
-            to_len = nbytes;
-            args[0] = (XPointer) charset;
-	    if (_XlcConvert(private->cstomb_conv,
-                            &from, &from_len, &to, &to_len,
-			    args, 1 ) != 0) {
-		count = 0;
-	    } else {
-                count = nbytes - to_len;
-	    }
-	}
-    }
-    /* FIXME:
-     * we should make sure that if the character is a Latin1 character
-     * and it's on the right side, and we're in a non-Latin1 locale
-     * that this is a valid Latin1 character for this locale.
-     */
-    return count;
-}
-
-int
-_XimLookupWCText(
-    Xic			 ic,
-    XKeyEvent*		event,
-    wchar_t*		buffer,
-    int			nbytes,
-    KeySym*		keysym,
-    XComposeStatus*	status)
-{
-    int count;
-    KeySym symbol;
-    Status	dummy;
-    Xim	im = (Xim)ic->core.im;
-    XimCommonPrivateRec* private = &im->private.common;
-    unsigned char look[BUF_SIZE];
-    ucs4_t ucs4;
-
-    /* force a latin-1 lookup for compatibility */
-    count = XLOOKUPSTRING(event, (char *)look, nbytes, &symbol, status);
-    if (keysym != NULL) *keysym = symbol;
-    if ((nbytes == 0) || (symbol == NoSymbol)) return count;
-
-    if (count > 1) {
-	if ((count = im->methods->ctstowcs(ic->core.im,
-				(char*) look, count,
-				buffer, nbytes, &dummy)) < 0) {
-	    count = 0;
-	}
-    } else if ((count == 0) ||
-	       (count == 1 && (symbol > 0x7f && symbol < 0xff00))) {
-
-        XPointer from = (XPointer) &ucs4;
-        XPointer to =   (XPointer) look;
-        int from_len = 1;
-        int to_len = BUF_SIZE;
-        XPointer args[1];
-        XlcCharSet charset;
-        args[0] = (XPointer) &charset;
-        ucs4 = (ucs4_t) KeySymToUcs4(symbol);
-        if (!ucs4)
-            return 0;
-
-	if (_XlcConvert(private->ucstoc_conv,
-                        &from, &from_len, &to, &to_len,
-                        args, 1 ) != 0) {
-	    count = 0;
-	} else {
-            from = (XPointer) look;
-            to =   (XPointer) buffer;
-            from_len = BUF_SIZE - to_len;
-            to_len = nbytes;
-            args[0] = (XPointer) charset;
-
-	    if (_XlcConvert(private->cstowc_conv,
-                            &from, &from_len, &to, &to_len,
-			    args, 1 ) != 0) {
-		count = 0;
-	    } else {
-                count = nbytes - to_len;
-	    }
-	}
-    } else
-	/* FIXME:
-	 * we should make sure that if the character is a Latin1 character
-	 * and it's on the right side, and we're in a non-Latin1 locale
-	 * that this is a valid Latin1 character for this locale.
-	 */
-	buffer[0] = look[0];
-
-    return count;
-}
-
-int
-_XimLookupUTF8Text(
-    Xic			 ic,
-    XKeyEvent*		event,
-    char*		buffer,
-    int			nbytes,
-    KeySym*		keysym,
-    XComposeStatus*	status)
-{
-    int count;
-    KeySym symbol;
-    Status	dummy;
-    Xim	im = (Xim)ic->core.im;
-    XimCommonPrivateRec* private = &im->private.common;
-    unsigned char look[BUF_SIZE];
-    ucs4_t ucs4;
-
-    /* force a latin-1 lookup for compatibility */
-    count = XLOOKUPSTRING(event, (char *)buffer, nbytes, &symbol, status);
-    if (keysym != NULL) *keysym = symbol;
-    if ((nbytes == 0) || (symbol == NoSymbol)) return count;
-
-    if (count > 1) {
-	memcpy(look, (char *)buffer,count);
-	look[count] = '\0';
-	if ((count = im->methods->ctstoutf8(ic->core.im,
-				(char*) look, count,
-				buffer, nbytes, &dummy)) < 0) {
-	    count = 0;
-	}
-    } else if ((count == 0) ||
-	       (count == 1 && (symbol > 0x7f && symbol < 0xff00))) {
-
-        XPointer from = (XPointer) &ucs4;
-        int from_len = 1;
-        XPointer to = (XPointer) buffer;
-        int to_len = nbytes;
-
-        ucs4 = (ucs4_t) KeySymToUcs4(symbol);
-        if (!ucs4)
-            return 0;
-
-	if (_XlcConvert(private->ucstoutf8_conv,
-                        &from, &from_len, &to, &to_len,
-                        NULL, 0) != 0) {
-	    count = 0;
-	} else {
-            count = nbytes - to_len;
-	}
-    }
-    /* FIXME:
-     * we should make sure that if the character is a Latin1 character
-     * and it's on the right side, and we're in a non-Latin1 locale
-     * that this is a valid Latin1 character for this locale.
-     */
-    return count;
-}
+/******************************************************************
+
+              Copyright 1991, 1992 by Fuji Xerox Co.,Ltd.
+	      Copyright 1993, 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 Co.,Ltd.
+, and that the name of FUJITSU LIMITED not be used in advertising or
+publicity pertaining to distribution of the software without specific,
+ written prior permission.
+Fuji Xerox Co.,Ltd. , and FUJITSU LIMITED makes no representations about
+the suitability of this software for any purpose.
+It is provided "as is" without express or implied warranty.
+
+FUJI XEROX CO.,LTD. AND FUJITSU LIMITED DISCLAIMS ALL WARRANTIES WITH
+REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL FUJI XEROX CO.,LTD.
+AND 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.
+
+  Auther:   Kazunori Nishihara, Fuji Xerox Co.,Ltd.
+                                kaz@ssdev.ksp.fujixerox.co.jp
+  Modifier: Takashi Fujiwara    FUJITSU LIMITED
+                                fujiwara@a80.tech.yk.fujitsu.co.jp
+
+******************************************************************/
+/* 2000 Modifier: Ivan Pascal	The XFree86 Project.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <stdio.h>
+#include "Xlibint.h"
+#include "Xlcint.h"
+#include "Ximint.h"
+#include "XlcPubI.h"
+
+#ifdef XKB
+/*
+ * rather than just call _XLookupString (i.e. the pre-XKB XLookupString)
+ * do this because with XKB the event may have some funky modifiers that
+ * _XLookupString doesn't grok.
+ */
+#include "XKBlib.h"
+#define	XLOOKUPSTRING lookup_string
+#else
+#define	XLOOKUPSTRING XLookupString
+#endif
+
+typedef unsigned int ucs4_t;
+
+typedef int (*ucstocsConvProc)(
+    XPointer,
+    unsigned char *,
+    ucs4_t,
+    int
+);
+
+struct SubstRec {
+    const char encoding_name[8];
+    const char charset_name[12];
+};
+
+static const struct SubstRec SubstTable[] = {
+    {"STRING", "ISO8859-1"},
+    {"TIS620", "TIS620-0"},
+    {"UTF-8",  "ISO10646-1"}
+};
+#define num_substitute (sizeof SubstTable / sizeof SubstTable[0])
+
+/*
+ * Given the name of a charset, returns the pointer to convertors
+ * from UCS char to specified charset char.
+ * This converter is needed for _XimGetCharCode subroutine.
+ */
+XPointer
+_XimGetLocaleCode (
+    _Xconst char*	encoding_name)
+{
+    XPointer cvt = _Utf8GetConvByName(encoding_name);
+    if (!cvt && encoding_name) {
+       int i;
+       for (i = 0; i < num_substitute; i++)
+           if (!strcmp(encoding_name, SubstTable[i].encoding_name))
+               return _Utf8GetConvByName(SubstTable[i].charset_name);
+    }
+    return cvt;
+}
+
+/*
+ * Returns the locale dependent representation of a keysym.
+ * The locale's encoding is passed in form of pointer to UCS convertor.
+ * The resulting multi-byte sequence is placed starting at buf (a buffer
+ * with nbytes bytes, nbytes should be >= 8) and is NUL terminated.
+ * Returns the length of the resulting multi-byte sequence, excluding the
+ * terminating NUL byte. Return 0 if the keysym is not representable in the
+ * locale
+ */
+/*ARGSUSED*/
+int
+_XimGetCharCode (
+    XPointer            ucs_conv,
+    KeySym 		keysym,
+    unsigned char*	buf,
+    int 		nbytes)
+{
+    int count = 0;
+    ucstocsConvProc cvt = (ucstocsConvProc) ucs_conv;
+    ucs4_t ucs4;
+
+    if (keysym < 0x80) {
+        buf[0] = (char) keysym;
+        count = 1;
+    } else if (cvt) {
+        ucs4 = KeySymToUcs4(keysym);
+        if (ucs4)
+            count = (*cvt)((XPointer)NULL, buf, ucs4, nbytes);
+    }
+
+    if (count < 0)
+       	count = 0;
+    if (count>nbytes)
+        return nbytes;
+    if (count<nbytes)
+        buf[count]= '\0';
+    return count;
+}
+
+#ifdef XKB
+static int lookup_string(
+    XKeyEvent*		event,
+    char*		buffer,
+    int			nbytes,
+    KeySym*		keysym,
+    XComposeStatus*	status)
+{
+    int ret;
+    unsigned ctrls = XkbGetXlibControls (event->display);
+    XkbSetXlibControls (event->display,
+			XkbLC_ForceLatin1Lookup, XkbLC_ForceLatin1Lookup);
+    ret = XLookupString(event, (char *)buffer, nbytes, keysym, status);
+    XkbSetXlibControls (event->display,
+			XkbLC_ForceLatin1Lookup, ctrls);
+    return ret;
+}
+#endif
+
+#define BUF_SIZE (20)
+
+int
+_XimLookupMBText(
+    Xic			 ic,
+    XKeyEvent*		event,
+    char*		buffer,
+    int			nbytes,
+    KeySym*		keysym,
+    XComposeStatus*	status)
+{
+    int count;
+    KeySym symbol;
+    Status	dummy;
+    Xim	im = (Xim)ic->core.im;
+    XimCommonPrivateRec* private = &im->private.common;
+    unsigned char look[BUF_SIZE];
+    ucs4_t ucs4;
+
+    /* force a latin-1 lookup for compatibility */
+    count = XLOOKUPSTRING(event, (char *)buffer, nbytes, &symbol, status);
+    if (keysym != NULL) *keysym = symbol;
+    if ((nbytes == 0) || (symbol == NoSymbol)) return count;
+
+    if (count > 1) {
+	memcpy(look, (char *)buffer,count);
+	look[count] = '\0';
+	if ((count = im->methods->ctstombs(ic->core.im,
+				(char*) look, count,
+				buffer, nbytes, &dummy)) < 0) {
+	    count = 0;
+	}
+    } else if ((count == 0) ||
+	       (count == 1 && (symbol > 0x7f && symbol < 0xff00))) {
+
+        XPointer from = (XPointer) &ucs4;
+        XPointer to =   (XPointer) look;
+        int from_len = 1;
+        int to_len = BUF_SIZE;
+        XPointer args[1];
+        XlcCharSet charset;
+        args[0] = (XPointer) &charset;
+        ucs4 = (ucs4_t) KeySymToUcs4(symbol);
+        if (!ucs4)
+            return 0;
+
+	if (_XlcConvert(private->ucstoc_conv,
+                        &from, &from_len, &to, &to_len,
+                        args, 1 ) != 0) {
+	    count = 0;
+	} else {
+            from = (XPointer) look;
+            to =   (XPointer) buffer;
+            from_len = BUF_SIZE - to_len;
+            to_len = nbytes;
+            args[0] = (XPointer) charset;
+	    if (_XlcConvert(private->cstomb_conv,
+                            &from, &from_len, &to, &to_len,
+			    args, 1 ) != 0) {
+		count = 0;
+	    } else {
+                count = nbytes - to_len;
+	    }
+	}
+    }
+    /* FIXME:
+     * we should make sure that if the character is a Latin1 character
+     * and it's on the right side, and we're in a non-Latin1 locale
+     * that this is a valid Latin1 character for this locale.
+     */
+    return count;
+}
+
+int
+_XimLookupWCText(
+    Xic			 ic,
+    XKeyEvent*		event,
+    wchar_t*		buffer,
+    int			nbytes,
+    KeySym*		keysym,
+    XComposeStatus*	status)
+{
+    int count;
+    KeySym symbol;
+    Status	dummy;
+    Xim	im = (Xim)ic->core.im;
+    XimCommonPrivateRec* private = &im->private.common;
+    unsigned char look[BUF_SIZE];
+    ucs4_t ucs4;
+
+    /* force a latin-1 lookup for compatibility */
+    count = XLOOKUPSTRING(event, (char *)look, nbytes, &symbol, status);
+    if (keysym != NULL) *keysym = symbol;
+    if ((nbytes == 0) || (symbol == NoSymbol)) return count;
+
+    if (count > 1) {
+	if ((count = im->methods->ctstowcs(ic->core.im,
+				(char*) look, count,
+				buffer, nbytes, &dummy)) < 0) {
+	    count = 0;
+	}
+    } else if ((count == 0) ||
+	       (count == 1 && (symbol > 0x7f && symbol < 0xff00))) {
+
+        XPointer from = (XPointer) &ucs4;
+        XPointer to =   (XPointer) look;
+        int from_len = 1;
+        int to_len = BUF_SIZE;
+        XPointer args[1];
+        XlcCharSet charset;
+        args[0] = (XPointer) &charset;
+        ucs4 = (ucs4_t) KeySymToUcs4(symbol);
+        if (!ucs4)
+            return 0;
+
+	if (_XlcConvert(private->ucstoc_conv,
+                        &from, &from_len, &to, &to_len,
+                        args, 1 ) != 0) {
+	    count = 0;
+	} else {
+            from = (XPointer) look;
+            to =   (XPointer) buffer;
+            from_len = BUF_SIZE - to_len;
+            to_len = nbytes;
+            args[0] = (XPointer) charset;
+
+	    if (_XlcConvert(private->cstowc_conv,
+                            &from, &from_len, &to, &to_len,
+			    args, 1 ) != 0) {
+		count = 0;
+	    } else {
+                count = nbytes - to_len;
+	    }
+	}
+    } else
+	/* FIXME:
+	 * we should make sure that if the character is a Latin1 character
+	 * and it's on the right side, and we're in a non-Latin1 locale
+	 * that this is a valid Latin1 character for this locale.
+	 */
+	buffer[0] = look[0];
+
+    return count;
+}
+
+int
+_XimLookupUTF8Text(
+    Xic			 ic,
+    XKeyEvent*		event,
+    char*		buffer,
+    int			nbytes,
+    KeySym*		keysym,
+    XComposeStatus*	status)
+{
+    int count;
+    KeySym symbol;
+    Status	dummy;
+    Xim	im = (Xim)ic->core.im;
+    XimCommonPrivateRec* private = &im->private.common;
+    unsigned char look[BUF_SIZE];
+    ucs4_t ucs4;
+
+    /* force a latin-1 lookup for compatibility */
+    count = XLOOKUPSTRING(event, (char *)buffer, nbytes, &symbol, status);
+    if (keysym != NULL) *keysym = symbol;
+    if ((nbytes == 0) || (symbol == NoSymbol)) return count;
+
+    if (count > 1) {
+	memcpy(look, (char *)buffer,count);
+	look[count] = '\0';
+	if ((count = im->methods->ctstoutf8(ic->core.im,
+				(char*) look, count,
+				buffer, nbytes, &dummy)) < 0) {
+	    count = 0;
+	}
+    } else if ((count == 0) ||
+	       (count == 1 && (symbol > 0x7f && symbol < 0xff00))) {
+
+        XPointer from = (XPointer) &ucs4;
+        int from_len = 1;
+        XPointer to = (XPointer) buffer;
+        int to_len = nbytes;
+
+        ucs4 = (ucs4_t) KeySymToUcs4(symbol);
+        if (!ucs4)
+            return 0;
+
+	if (_XlcConvert(private->ucstoutf8_conv,
+                        &from, &from_len, &to, &to_len,
+                        NULL, 0) != 0) {
+	    count = 0;
+	} else {
+            count = nbytes - to_len;
+	}
+    }
+    /* FIXME:
+     * we should make sure that if the character is a Latin1 character
+     * and it's on the right side, and we're in a non-Latin1 locale
+     * that this is a valid Latin1 character for this locale.
+     */
+    return count;
+}