diff options
Diffstat (limited to 'modules/im/ximcp/imDefLkup.c')
-rw-r--r-- | modules/im/ximcp/imDefLkup.c | 447 |
1 files changed, 163 insertions, 284 deletions
diff --git a/modules/im/ximcp/imDefLkup.c b/modules/im/ximcp/imDefLkup.c index f4f25b0..fda84cb 100644 --- a/modules/im/ximcp/imDefLkup.c +++ b/modules/im/ximcp/imDefLkup.c @@ -26,7 +26,7 @@ PERFORMANCE OF THIS SOFTWARE. fujiwara@a80.tech.yk.fujitsu.co.jp ******************************************************************/ -/* $XFree86: xc/lib/X11/imDefLkup.c,v 3.9 2001/08/13 21:46:46 dawes Exp $ */ +/* $XFree86: xc/lib/X11/imDefLkup.c,v 3.12 2003/11/17 22:20:11 dawes Exp $ */ #include <X11/Xatom.h> #define NEED_EVENTS @@ -35,15 +35,9 @@ PERFORMANCE OF THIS SOFTWARE. #include "Ximint.h" Public Xic -#if NeedFunctionPrototypes _XimICOfXICID( Xim im, XICID icid) -#else -_XimICOfXICID(im, icid) - Xim im; - XICID icid; -#endif /* NeedFunctionPrototypes */ { Xic pic; @@ -55,9 +49,9 @@ _XimICOfXICID(im, icid) } Private void -_XimProcIMSetEventMask(im, buf) - Xim im; - XPointer buf; +_XimProcIMSetEventMask( + Xim im, + XPointer buf) { EVENTMASK *buf_l = (EVENTMASK *)buf; @@ -67,9 +61,9 @@ _XimProcIMSetEventMask(im, buf) } Private void -_XimProcICSetEventMask(ic, buf) - Xic ic; - XPointer buf; +_XimProcICSetEventMask( + Xic ic, + XPointer buf) { EVENTMASK *buf_l = (EVENTMASK *)buf; @@ -80,19 +74,11 @@ _XimProcICSetEventMask(ic, buf) } Public Bool -#if NeedFunctionPrototypes _XimSetEventMaskCallback( Xim xim, INT16 len, XPointer data, XPointer call_data) -#else -_XimSetEventMaskCallback(xim, len, data, call_data) - Xim xim; - INT16 len; - XPointer data; - XPointer call_data; -#endif /* NeedFunctionPrototypes */ { CARD16 *buf_s = (CARD16 *)((CARD8 *)data + XIM_HEADER_SIZE); XIMID imid = buf_s[0]; @@ -113,19 +99,11 @@ _XimSetEventMaskCallback(xim, len, data, call_data) } Private Bool -#if NeedFunctionPrototypes _XimSyncCheck( Xim im, INT16 len, XPointer data, XPointer arg) -#else -_XimSyncCheck(im, len, data, arg) - Xim im; - INT16 len; - XPointer data; - XPointer arg; -#endif { Xic ic = (Xic)arg; CARD16 *buf_s = (CARD16 *)((CARD8 *)data + XIM_HEADER_SIZE); @@ -150,9 +128,9 @@ _XimSyncCheck(im, len, data, arg) } Public Bool -_XimSync(im, ic) - Xim im; - Xic ic; +_XimSync( + Xim im, + Xic ic) { CARD32 buf32[BUFSIZE/4]; CARD8 *buf = (CARD8 *)buf32; @@ -208,9 +186,9 @@ _XimSync(im, ic) } Public Bool -_XimProcSyncReply(im, ic) - Xim im; - Xic ic; +_XimProcSyncReply( + Xim im, + Xic ic) { CARD32 buf32[BUFSIZE/4]; CARD8 *buf = (CARD8 *)buf32; @@ -231,9 +209,9 @@ _XimProcSyncReply(im, ic) } Public Bool -_XimRespSyncReply(ic, mode) - Xic ic; - BITMASK16 mode; +_XimRespSyncReply( + Xic ic, + BITMASK16 mode) { if (mode & XimSYNCHRONUS) /* SYNC Request */ MARK_NEED_SYNC_REPLY(ic); @@ -241,19 +219,11 @@ _XimRespSyncReply(ic, mode) } Public Bool -#if NeedFunctionPrototypes _XimSyncCallback( Xim xim, INT16 len, XPointer data, XPointer call_data) -#else -_XimSyncCallback(xim, len, data, call_data) - Xim xim; - INT16 len; - XPointer data; - XPointer call_data; -#endif /* NeedFunctionPrototypes */ { CARD16 *buf_s = (CARD16 *)((CARD8 *)data + XIM_HEADER_SIZE); XIMID imid = buf_s[0]; @@ -270,9 +240,9 @@ _XimSyncCallback(xim, len, data, call_data) } Private INT16 -_XimSetEventToWire(ev, event) - XEvent *ev; - xEvent *event; +_XimSetEventToWire( + XEvent *ev, + xEvent *event) { if (!(_XimProtoEventToWire(ev, event, False))) return 0; @@ -282,10 +252,10 @@ _XimSetEventToWire(ev, event) } Private Bool -_XimForwardEventCore(ic, ev, sync) - Xic ic; - XEvent *ev; - Bool sync; +_XimForwardEventCore( + Xic ic, + XEvent *ev, + Bool sync) { Xim im = (Xim)ic->core.im; CARD32 buf32[BUFSIZE/4]; @@ -354,10 +324,10 @@ _XimForwardEventCore(ic, ev, sync) } Public Bool -_XimForwardEvent(ic, ev, sync) - Xic ic; - XEvent *ev; - Bool sync; +_XimForwardEvent( + Xic ic, + XEvent *ev, + Bool sync) { #ifdef EXT_FORWARD if (((ev->type == KeyPress) || (ev->type == KeyRelease))) @@ -368,11 +338,11 @@ _XimForwardEvent(ic, ev, sync) } Private void -_XimProcEvent(d, ic, ev, buf) - Display *d; - Xic ic; - XEvent *ev; - CARD16 *buf; +_XimProcEvent( + Display *d, + Xic ic, + XEvent *ev, + CARD16 *buf) { INT16 serial = buf[0]; xEvent *xev = (xEvent *)&buf[1]; @@ -386,10 +356,10 @@ _XimProcEvent(d, ic, ev, buf) } Private Bool -_XimForwardEventRecv(im, ic, buf) - Xim im; - Xic ic; - XPointer buf; +_XimForwardEventRecv( + Xim im, + Xic ic, + XPointer buf) { CARD16 *buf_s = (CARD16 *)buf; Display *d = im->core.display; @@ -405,19 +375,11 @@ _XimForwardEventRecv(im, ic, buf) } Public Bool -#if NeedFunctionPrototypes _XimForwardEventCallback( Xim xim, INT16 len, XPointer data, XPointer call_data) -#else -_XimForwardEventCallback(xim, len, data, call_data) - Xim xim; - INT16 len; - XPointer data; - XPointer call_data; -#endif /* NeedFunctionPrototypes */ { CARD16 *buf_s = (CARD16 *)((CARD8 *)data + XIM_HEADER_SIZE); XIMID imid = buf_s[0]; @@ -434,9 +396,9 @@ _XimForwardEventCallback(xim, len, data, call_data) } Private Bool -_XimRegisterTriggerkey(im, buf) - Xim im; - XPointer buf; +_XimRegisterTriggerkey( + Xim im, + XPointer buf) { CARD32 *buf_l = (CARD32 *)buf; CARD32 len; @@ -481,19 +443,11 @@ _XimRegisterTriggerkey(im, buf) } Public Bool -#if NeedFunctionPrototypes _XimRegisterTriggerKeysCallback( Xim xim, INT16 len, XPointer data, XPointer call_data) -#else -_XimRegisterTriggerKeysCallback(xim, len, data, call_data) - Xim xim; - INT16 len; - XPointer data; - XPointer call_data; -#endif /* NeedFunctionPrototypes */ { CARD16 *buf_s = (CARD16 *)((CARD8 *)data + XIM_HEADER_SIZE); Xim im = (Xim)call_data; @@ -503,8 +457,8 @@ _XimRegisterTriggerKeysCallback(xim, len, data, call_data) } Public EVENTMASK -_XimGetWindowEventmask(ic) - Xic ic; +_XimGetWindowEventmask( + Xic ic) { Xim im = (Xim )ic->core.im; XWindowAttributes atr; @@ -516,19 +470,11 @@ _XimGetWindowEventmask(ic) Private Bool -#if NeedFunctionPrototypes _XimTriggerNotifyCheck( Xim im, INT16 len, XPointer data, XPointer arg) -#else -_XimTriggerNotifyCheck(im, len, data, arg) - Xim im; - INT16 len; - XPointer data; - XPointer arg; -#endif { Xic ic = (Xic)arg; CARD16 *buf_s = (CARD16 *)((CARD8 *)data + XIM_HEADER_SIZE); @@ -553,11 +499,11 @@ _XimTriggerNotifyCheck(im, len, data, arg) } Public Bool -_XimTriggerNotify(im, ic, mode, idx) - Xim im; - Xic ic; - int mode; - CARD32 idx; +_XimTriggerNotify( + Xim im, + Xic ic, + int mode, + CARD32 idx) { CARD32 buf32[BUFSIZE/4]; CARD8 *buf = (CARD8 *)buf32; @@ -621,12 +567,12 @@ _XimTriggerNotify(im, ic, mode, idx) } Private Bool -_XimRegCommitInfo(ic, string, string_len, keysym, keysym_len) - Xic ic; - char *string; - int string_len; - KeySym *keysym; - int keysym_len; +_XimRegCommitInfo( + Xic ic, + char *string, + int string_len, + KeySym *keysym, + int keysym_len) { XimCommitInfo info; @@ -642,8 +588,8 @@ _XimRegCommitInfo(ic, string, string_len, keysym, keysym_len) } Private void -_XimUnregCommitInfo(ic) - Xic ic; +_XimUnregCommitInfo( + Xic ic) { XimCommitInfo info; @@ -660,8 +606,8 @@ _XimUnregCommitInfo(ic) } Public void -_XimFreeCommitInfo(ic) - Xic ic; +_XimFreeCommitInfo( + Xic ic) { while (ic->private.proto.commit_info) _XimUnregCommitInfo(ic); @@ -669,11 +615,11 @@ _XimFreeCommitInfo(ic) } Private Bool -_XimProcKeySym(ic, sym, xim_keysym, xim_keysym_len) - Xic ic; - CARD32 sym; - KeySym **xim_keysym; - int *xim_keysym_len; +_XimProcKeySym( + Xic ic, + CARD32 sym, + KeySym **xim_keysym, + int *xim_keysym_len) { Xim im = (Xim)ic->core.im; @@ -689,12 +635,12 @@ _XimProcKeySym(ic, sym, xim_keysym, xim_keysym_len) } Private Bool -_XimProcCommit(ic, buf, len, xim_string, xim_string_len) - Xic ic; - BYTE *buf; - int len; - char **xim_string; - int *xim_string_len; +_XimProcCommit( + Xic ic, + BYTE *buf, + int len, + char **xim_string, + int *xim_string_len) { Xim im = (Xim)ic->core.im; char *string; @@ -713,10 +659,10 @@ _XimProcCommit(ic, buf, len, xim_string, xim_string_len) } Private Bool -_XimCommitRecv(im, ic, buf) - Xim im; - Xic ic; - XPointer buf; +_XimCommitRecv( + Xim im, + Xic ic, + XPointer buf) { CARD16 *buf_s = (CARD16 *)buf; BITMASK16 flag = buf_s[0]; @@ -770,19 +716,11 @@ _XimCommitRecv(im, ic, buf) } Public Bool -#if NeedFunctionPrototypes _XimCommitCallback( Xim xim, INT16 len, XPointer data, XPointer call_data) -#else -_XimCommitCallback(xim, len, data, call_data) - Xim xim; - INT16 len; - XPointer data; - XPointer call_data; -#endif /* NeedFunctionPrototypes */ { CARD16 *buf_s = (CARD16 *)((CARD8 *)data + XIM_HEADER_SIZE); XIMID imid = buf_s[0]; @@ -799,28 +737,20 @@ _XimCommitCallback(xim, len, data, call_data) } Public void -_XimProcError(im, ic, data) - Xim im; - Xic ic; - XPointer data; +_XimProcError( + Xim im, + Xic ic, + XPointer data) { return; } Public Bool -#if NeedFunctionPrototypes _XimErrorCallback( Xim xim, INT16 len, XPointer data, XPointer call_data) -#else -_XimErrorCallback(xim, len, data, call_data) - Xim xim; - INT16 len; - XPointer data; - XPointer call_data; -#endif /* NeedFunctionPrototypes */ { CARD16 *buf_s = (CARD16 *)((CARD8 *)data + XIM_HEADER_SIZE); BITMASK16 flag = buf_s[2]; @@ -845,7 +775,6 @@ _XimErrorCallback(xim, len, data, call_data) } Public Bool -#if NeedFunctionPrototypes _XimError( Xim im, Xic ic, @@ -853,15 +782,6 @@ _XimError( INT16 detail_length, CARD16 type, char *detail) -#else -_XimError(im, ic, error_code, detail_length, type, detail) - Xim im; - Xic ic; - CARD16 error_code; - INT16 detail_length; - CARD16 type; - char *detail; -#endif /* NeedFunctionPrototypes */ { CARD32 buf32[BUFSIZE/4]; CARD8 *buf = (CARD8 *)buf32; @@ -899,13 +819,13 @@ _XimError(im, ic, error_code, detail_length, type, detail) } Private int -_Ximctsconvert(conv, from, from_len, to, to_len, state) - XlcConv conv; - char *from; - int from_len; - char *to; - int to_len; - Status *state; +_Ximctsconvert( + XlcConv conv, + char *from, + int from_len, + char *to, + int to_len, + Status *state) { int from_left; int to_left; @@ -930,59 +850,37 @@ _Ximctsconvert(conv, from, from_len, to, to_len, state) initial state. */ _XlcResetConverter(conv); - if (to && to_len) { - from_left = from_len; - to_left = to_len; - from_cnvlen = 0; - to_cnvlen = 0; - for (;;) { - from_savelen = from_left; - to_savelen = to_left; - from_buf = &from[from_cnvlen]; - to_buf = &to[to_cnvlen]; - 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 > 0) { - *state = XLookupChars; - } else { - *state = XLookupNone; - } - return to_cnvlen; - } - if (to_left == 0) - break; - } - } - from_left = from_len; + to_left = BUFSIZ; from_cnvlen = 0; to_cnvlen = 0; for (;;) { - from_savelen = from_left; - to_buf = scratchbuf; - to_left = BUFSIZ; 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 += (BUFSIZ - to_left); + to_cnvlen += (to_savelen - to_left); if (from_left == 0) { - if (to_cnvlen > 0) - *state = XBufferOverflow; - else + if (!to_cnvlen) { *state = XLookupNone; - break; + return 0; + } + break; } } + + if (!to || !to_len || (to_len < to_cnvlen)) { + *state = XBufferOverflow; + } else { + memcpy(to, scratchbuf, to_cnvlen); + *state = XLookupChars; + } return to_cnvlen; } @@ -1000,13 +898,13 @@ _Ximctstombs(xim, from, from_len, to, to_len, state) } Public int -_Ximctstowcs(xim, from, from_len, to, to_len, state) - XIM xim; - char *from; - int from_len; - wchar_t *to; - int to_len; - Status *state; +_Ximctstowcs( + XIM xim, + char *from, + int from_len, + wchar_t *to, + int to_len, + Status *state) { Xim im = (Xim)xim; XlcConv conv = im->private.proto.ctow_conv; @@ -1032,84 +930,62 @@ _Ximctstowcs(xim, from, from_len, to, to_len, state) /* Reset the converter. The CompoundText at 'from' starts in initial state. */ _XlcResetConverter(conv); - - if (to && to_len) { - from_left = from_len; - to_left = to_len; - from_cnvlen = 0; - to_cnvlen = 0; - for (;;) { - from_savelen = from_left; - to_savelen = to_left; - from_buf = &from[from_cnvlen]; - to_buf = &to[to_cnvlen]; - 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 > 0) { - *state = XLookupChars; - } else { - *state = XLookupNone; - } - return to_cnvlen; - } - if (to_left == 0) - break; - } - } from_left = from_len; + to_left = BUFSIZ; from_cnvlen = 0; to_cnvlen = 0; for (;;) { - from_savelen = from_left; - to_buf = scratchbuf; - to_left = BUFSIZ * sizeof(wchar_t); 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 += (BUFSIZ * sizeof(wchar_t) - to_left); + to_cnvlen += (to_savelen - to_left); if (from_left == 0) { - if (to_cnvlen > 0) - *state = XBufferOverflow; - else + 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 -_Ximctstoutf8(xim, from, from_len, to, to_len, state) - XIM xim; - char *from; - int from_len; - char *to; - int to_len; - Status *state; +_Ximctstoutf8( + XIM xim, + char *from, + int from_len, + char *to, + int to_len, + Status *state) { return _Ximctsconvert(((Xim)xim)->private.proto.ctoutf8_conv, from, from_len, to, to_len, state); } Public int -_XimProtoMbLookupString(xic, ev, buffer, bytes, keysym, state) - XIC xic; - XKeyEvent *ev; - char *buffer; - int bytes; - KeySym *keysym; - Status *state; +_XimProtoMbLookupString( + XIC xic, + XKeyEvent *ev, + char *buffer, + int bytes, + KeySym *keysym, + Status *state) { Xic ic = (Xic)xic; Xim im = (Xim)ic->core.im; @@ -1125,15 +1001,14 @@ _XimProtoMbLookupString(xic, ev, buffer, bytes, keysym, state) if ((ev->type == KeyPress) && (ev->keycode == 0)) { /* Filter function */ if (!(info = ic->private.proto.commit_info)) { - if (state) - *state = XLookupNone; + *state = XLookupNone; return 0; } ret = im->methods->ctstombs((XIM)im, info->string, info->string_len, buffer, bytes, state); if (*state == XBufferOverflow) - return 0; + return ret; if (keysym && (info->keysym && *(info->keysym))) { *keysym = *(info->keysym); if (*state == XLookupChars) @@ -1146,7 +1021,9 @@ _XimProtoMbLookupString(xic, ev, buffer, bytes, keysym, state) } else if (ev->type == KeyPress) { ret = _XimLookupMBText(ic, ev, buffer, bytes, keysym, NULL); if (ret > 0) { - if (keysym && *keysym != NoSymbol) + if (ret > bytes) + *state = XBufferOverflow; + else if (keysym && *keysym != NoSymbol) *state = XLookupBoth; else *state = XLookupChars; @@ -1165,13 +1042,13 @@ _XimProtoMbLookupString(xic, ev, buffer, bytes, keysym, state) } Public int -_XimProtoWcLookupString(xic, ev, buffer, bytes, keysym, state) - XIC xic; - XKeyEvent *ev; - wchar_t *buffer; - int bytes; - KeySym *keysym; - Status *state; +_XimProtoWcLookupString( + XIC xic, + XKeyEvent *ev, + wchar_t *buffer, + int bytes, + KeySym *keysym, + Status *state) { Xic ic = (Xic)xic; Xim im = (Xim)ic->core.im; @@ -1187,15 +1064,14 @@ _XimProtoWcLookupString(xic, ev, buffer, bytes, keysym, state) if (ev->type == KeyPress && ev->keycode == 0) { /* Filter function */ if (!(info = ic->private.proto.commit_info)) { - if (state) - *state = XLookupNone; + *state = XLookupNone; return 0; } ret = im->methods->ctstowcs((XIM)im, info->string, info->string_len, buffer, bytes, state); if (*state == XBufferOverflow) - return 0; + return ret; if (keysym && (info->keysym && *(info->keysym))) { *keysym = *(info->keysym); if (*state == XLookupChars) @@ -1208,7 +1084,9 @@ _XimProtoWcLookupString(xic, ev, buffer, bytes, keysym, state) } else if (ev->type == KeyPress) { ret = _XimLookupWCText(ic, ev, buffer, bytes, keysym, NULL); if (ret > 0) { - if (keysym && *keysym != NoSymbol) + if (ret > bytes) + *state = XBufferOverflow; + else if (keysym && *keysym != NoSymbol) *state = XLookupBoth; else *state = XLookupChars; @@ -1227,13 +1105,13 @@ _XimProtoWcLookupString(xic, ev, buffer, bytes, keysym, state) } Public int -_XimProtoUtf8LookupString(xic, ev, buffer, bytes, keysym, state) - XIC xic; - XKeyEvent *ev; - char *buffer; - int bytes; - KeySym *keysym; - Status *state; +_XimProtoUtf8LookupString( + XIC xic, + XKeyEvent *ev, + char *buffer, + int bytes, + KeySym *keysym, + Status *state) { Xic ic = (Xic)xic; Xim im = (Xim)ic->core.im; @@ -1249,15 +1127,14 @@ _XimProtoUtf8LookupString(xic, ev, buffer, bytes, keysym, state) if (ev->type == KeyPress && ev->keycode == 0) { /* Filter function */ if (!(info = ic->private.proto.commit_info)) { - if (state) - *state = XLookupNone; + *state = XLookupNone; return 0; } ret = im->methods->ctstoutf8((XIM)im, info->string, info->string_len, buffer, bytes, state); if (*state == XBufferOverflow) - return 0; + return ret; if (keysym && (info->keysym && *(info->keysym))) { *keysym = *(info->keysym); if (*state == XLookupChars) @@ -1270,7 +1147,9 @@ _XimProtoUtf8LookupString(xic, ev, buffer, bytes, keysym, state) } else if (ev->type == KeyPress) { ret = _XimLookupUTF8Text(ic, ev, buffer, bytes, keysym, NULL); if (ret > 0) { - if (keysym && *keysym != NoSymbol) + if (ret > bytes) + *state = XBufferOverflow; + else if (keysym && *keysym != NoSymbol) *state = XLookupBoth; else *state = XLookupChars; |