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kc3-lang/libxkbcommon/src/xkb.c

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  • Author : Dan Nicholson
    Date : 2009-03-28 18:17:34
    Hash : fe94593d
    Message : malloc/misc/xkb: Coding style cleanup

  • src/xkb.c
  • /************************************************************
    Copyright (c) 1993 by Silicon Graphics Computer Systems, Inc.
    
    Permission to use, copy, modify, and distribute this
    software and its documentation for any purpose and without
    fee is hereby granted, 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 Silicon Graphics not be
    used in advertising or publicity pertaining to distribution
    of the software without specific prior written permission.
    Silicon Graphics makes no representation about the suitability
    of this software for any purpose. It is provided "as is"
    without any express or implied warranty.
    
    SILICON GRAPHICS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
    SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
    AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
    GRAPHICS 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.
    
    ********************************************************/
    
    #ifdef HAVE_CONFIG_H
    #include <config.h>
    #endif
    
    #include "X11/extensions/XKBcommon.h"
    #include "XKBcommonint.h"
    
    Bool
    XkbcComputeEffectiveMap(XkbcDescPtr xkb, XkbKeyTypePtr type,
                            unsigned char *map_rtrn)
    {
        int i;
        unsigned tmp;
        XkbKTMapEntryPtr entry = NULL;
    
        if (!xkb || !type || !xkb->server)
            return False;
    
        if (type->mods.vmods != 0) {
            if (!XkbcVirtualModsToReal(xkb, type->mods.vmods, &tmp))
                return False;
    
            type->mods.mask = tmp | type->mods.real_mods;
            entry = type->map;
            for (i = 0; i < type->map_count; i++, entry++) {
                tmp = 0;
                if (entry->mods.vmods != 0) {
                    if (!XkbcVirtualModsToReal(xkb, entry->mods.vmods, &tmp))
                        return False;
                    if (tmp == 0) {
                        entry->active = False;
                        continue;
                    }
                }
                entry->active = True;
                entry->mods.mask = (entry->mods.real_mods | tmp) & type->mods.mask;
            }
        }
        else
            type->mods.mask = type->mods.real_mods;
    
        if (map_rtrn) {
            bzero(map_rtrn, type->mods.mask + 1);
            for (i = 0; i < type->map_count; i++) {
                if (entry->active)
                    map_rtrn[type->map[i].mods.mask] = type->map[i].level;
            }
        }
    
        return True;
    }