505 lines
13 KiB
C
505 lines
13 KiB
C
/************************************************************
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Copyright (c) 1993 by Silicon Graphics Computer Systems, Inc.
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Permission to use, copy, modify, and distribute this
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software and its documentation for any purpose and without
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fee is hereby granted, provided that the above copyright
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notice appear in all copies and that both that copyright
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notice and this permission notice appear in supporting
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documentation, and that the name of Silicon Graphics not be
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used in advertising or publicity pertaining to distribution
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of the software without specific prior written permission.
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Silicon Graphics makes no representation about the suitability
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of this software for any purpose. It is provided "as is"
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without any express or implied warranty.
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SILICON GRAPHICS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
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SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
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AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
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GRAPHICS BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL
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DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
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OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH
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THE USE OR PERFORMANCE OF THIS SOFTWARE.
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********************************************************/
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#ifdef HAVE_DIX_CONFIG_H
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#include <dix-config.h>
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#endif
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#include <xkb-config.h>
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#include <stdio.h>
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#include <ctype.h>
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#include <X11/X.h>
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#include <X11/Xos.h>
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#include <X11/Xproto.h>
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#include <X11/keysym.h>
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#include <X11/extensions/XKM.h>
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#include "inputstr.h"
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#include "scrnintstr.h"
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#include "windowstr.h"
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#define XKBSRV_NEED_FILE_FUNCS
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#include <xkbsrv.h>
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#include <X11/extensions/XI.h>
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#include "xkb.h"
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/*
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* If XKM_OUTPUT_DIR specifies a path without a leading slash, it is
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* relative to the top-level XKB configuration directory.
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* Making the server write to a subdirectory of that directory
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* requires some work in the general case (install procedure
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* has to create links to /var or somesuch on many machines),
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* so we just compile into /usr/tmp for now.
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*/
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#ifndef XKM_OUTPUT_DIR
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#define XKM_OUTPUT_DIR "compiled/"
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#endif
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#define PRE_ERROR_MSG "\"The XKEYBOARD keymap compiler (xkbcomp) reports:\""
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#define ERROR_PREFIX "\"> \""
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#define POST_ERROR_MSG1 "\"Errors from xkbcomp are not fatal to the X server\""
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#define POST_ERROR_MSG2 "\"End of messages from xkbcomp\""
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#if defined(WIN32)
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#define PATHSEPARATOR "\\"
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#else
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#define PATHSEPARATOR "/"
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#endif
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#ifdef WIN32
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#include <X11/Xwindows.h>
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const char*
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Win32TempDir()
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{
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static char buffer[PATH_MAX];
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if (GetTempPath(sizeof(buffer), buffer))
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{
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int len;
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buffer[sizeof(buffer)-1] = 0;
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len = strlen(buffer);
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if (len > 0)
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if (buffer[len-1] == '\\')
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buffer[len-1] = 0;
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return buffer;
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}
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if (getenv("TEMP") != NULL)
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return getenv("TEMP");
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else if (getenv("TMP") != NULL)
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return getenv("TEMP");
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else
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return "/tmp";
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}
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int
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Win32System(const char *cmdline)
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{
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STARTUPINFO si;
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PROCESS_INFORMATION pi;
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DWORD dwExitCode;
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char *cmd = strdup(cmdline);
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ZeroMemory( &si, sizeof(si) );
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si.cb = sizeof(si);
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ZeroMemory( &pi, sizeof(pi) );
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if (!CreateProcess(NULL, cmd, NULL, NULL, FALSE, 0, NULL, NULL, &si, &pi))
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{
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LPVOID buffer;
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if (!FormatMessage(
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FORMAT_MESSAGE_ALLOCATE_BUFFER |
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FORMAT_MESSAGE_FROM_SYSTEM |
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FORMAT_MESSAGE_IGNORE_INSERTS,
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NULL,
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GetLastError(),
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MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
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(LPTSTR) &buffer,
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0,
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NULL ))
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{
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ErrorF("[xkb] Starting '%s' failed!\n", cmdline);
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}
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else
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{
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ErrorF("[xkb] Starting '%s' failed: %s", cmdline, (char *)buffer);
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LocalFree(buffer);
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}
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free(cmd);
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return -1;
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}
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/* Wait until child process exits. */
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WaitForSingleObject( pi.hProcess, INFINITE );
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GetExitCodeProcess( pi.hProcess, &dwExitCode);
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/* Close process and thread handles. */
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CloseHandle( pi.hProcess );
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CloseHandle( pi.hThread );
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free(cmd);
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return dwExitCode;
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}
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#undef System
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#define System(x) Win32System(x)
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#endif
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static void
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OutputDirectory(
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char* outdir,
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size_t size)
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{
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#ifndef WIN32
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/* Can we write an xkm and then open it too? */
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if (access(XKM_OUTPUT_DIR, W_OK | X_OK) == 0 && (strlen(XKM_OUTPUT_DIR) < size))
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{
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(void) strcpy (outdir, XKM_OUTPUT_DIR);
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} else
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#else
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if (strlen(Win32TempDir()) + 1 < size)
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{
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(void) strcpy(outdir, Win32TempDir());
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(void) strcat(outdir, "\\");
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} else
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#endif
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if (strlen("/tmp/") < size)
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{
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(void) strcpy (outdir, "/tmp/");
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}
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}
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static Bool
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XkbDDXCompileKeymapByNames( XkbDescPtr xkb,
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XkbComponentNamesPtr names,
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unsigned want,
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unsigned need,
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char * nameRtrn,
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int nameRtrnLen)
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{
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FILE * out;
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char *buf = NULL, keymap[PATH_MAX], xkm_output_dir[PATH_MAX];
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const char *emptystring = "";
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char *xkbbasedirflag = NULL;
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const char *xkbbindir = emptystring;
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const char *xkbbindirsep = emptystring;
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#ifdef WIN32
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/* WIN32 has no popen. The input must be stored in a file which is
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used as input for xkbcomp. xkbcomp does not read from stdin. */
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char tmpname[PATH_MAX];
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const char *xkmfile = tmpname;
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#else
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const char *xkmfile = "-";
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#endif
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snprintf(keymap, sizeof(keymap), "server-%s", display);
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OutputDirectory(xkm_output_dir, sizeof(xkm_output_dir));
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#ifdef WIN32
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strcpy(tmpname, Win32TempDir());
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strcat(tmpname, "\\xkb_XXXXXX");
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(void) mktemp(tmpname);
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#endif
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if (XkbBaseDirectory != NULL) {
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if (asprintf(&xkbbasedirflag, "\"-R%s\"", XkbBaseDirectory) == -1)
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xkbbasedirflag = NULL;
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}
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if (XkbBinDirectory != NULL) {
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int ld = strlen(XkbBinDirectory);
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int lps = strlen(PATHSEPARATOR);
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xkbbindir = XkbBinDirectory;
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if ((ld >= lps) &&
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(strcmp(xkbbindir + ld - lps, PATHSEPARATOR) != 0)) {
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xkbbindirsep = PATHSEPARATOR;
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}
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}
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if (asprintf(&buf,
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"\"%s%sxkbcomp\" -w %d %s -xkm \"%s\" "
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"-em1 %s -emp %s -eml %s \"%s%s.xkm\"",
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xkbbindir, xkbbindirsep,
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((xkbDebugFlags < 2) ? 1 :
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((xkbDebugFlags > 10) ? 10 : (int) xkbDebugFlags)),
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xkbbasedirflag ? xkbbasedirflag : "", xkmfile,
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PRE_ERROR_MSG, ERROR_PREFIX, POST_ERROR_MSG1,
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xkm_output_dir, keymap) == -1)
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buf = NULL;
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free(xkbbasedirflag);
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if (!buf) {
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LogMessage(X_ERROR, "XKB: Could not invoke xkbcomp: not enough memory\n");
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return FALSE;
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}
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#ifndef WIN32
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out= Popen(buf,"w");
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#else
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out= fopen(tmpname, "w");
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#endif
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if (out!=NULL) {
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#ifdef DEBUG
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if (xkbDebugFlags) {
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ErrorF("[xkb] XkbDDXCompileKeymapByNames compiling keymap:\n");
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XkbWriteXKBKeymapForNames(stderr,names,xkb,want,need);
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}
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#endif
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XkbWriteXKBKeymapForNames(out,names,xkb,want,need);
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#ifndef WIN32
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if (Pclose(out)==0)
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#else
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if (fclose(out)==0 && System(buf) >= 0)
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#endif
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{
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if (xkbDebugFlags)
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DebugF("[xkb] xkb executes: %s\n",buf);
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if (nameRtrn) {
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strncpy(nameRtrn,keymap,nameRtrnLen);
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nameRtrn[nameRtrnLen-1]= '\0';
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}
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free(buf);
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return TRUE;
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}
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else
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LogMessage(X_ERROR, "Error compiling keymap (%s)\n", keymap);
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#ifdef WIN32
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/* remove the temporary file */
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unlink(tmpname);
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#endif
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}
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else {
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#ifndef WIN32
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LogMessage(X_ERROR, "XKB: Could not invoke xkbcomp\n");
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#else
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LogMessage(X_ERROR, "Could not open file %s\n", tmpname);
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#endif
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}
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if (nameRtrn)
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nameRtrn[0]= '\0';
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free(buf);
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return FALSE;
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}
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static FILE *
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XkbDDXOpenConfigFile(char *mapName,char *fileNameRtrn,int fileNameRtrnLen)
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{
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char buf[PATH_MAX],xkm_output_dir[PATH_MAX];
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FILE * file;
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buf[0]= '\0';
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if (mapName!=NULL) {
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OutputDirectory(xkm_output_dir, sizeof(xkm_output_dir));
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if ((XkbBaseDirectory!=NULL)&&(xkm_output_dir[0]!='/')
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#ifdef WIN32
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&&(!isalpha(xkm_output_dir[0]) || xkm_output_dir[1]!=':')
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#endif
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) {
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if (snprintf(buf, PATH_MAX, "%s/%s%s.xkm", XkbBaseDirectory,
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xkm_output_dir, mapName) >= PATH_MAX)
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buf[0] = '\0';
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}
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else
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{
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if (snprintf(buf, PATH_MAX, "%s%s.xkm", xkm_output_dir, mapName)
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>= PATH_MAX)
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buf[0] = '\0';
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}
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if (buf[0] != '\0')
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file= fopen(buf,"rb");
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else file= NULL;
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}
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else file= NULL;
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if ((fileNameRtrn!=NULL)&&(fileNameRtrnLen>0)) {
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strncpy(fileNameRtrn,buf,fileNameRtrnLen);
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buf[fileNameRtrnLen-1]= '\0';
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}
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return file;
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}
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unsigned
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XkbDDXLoadKeymapByNames( DeviceIntPtr keybd,
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XkbComponentNamesPtr names,
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unsigned want,
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unsigned need,
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XkbDescPtr * xkbRtrn,
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char * nameRtrn,
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int nameRtrnLen)
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{
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XkbDescPtr xkb;
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FILE * file;
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char fileName[PATH_MAX];
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unsigned missing;
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*xkbRtrn = NULL;
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if ((keybd==NULL)||(keybd->key==NULL)||(keybd->key->xkbInfo==NULL))
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xkb= NULL;
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else xkb= keybd->key->xkbInfo->desc;
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if ((names->keycodes==NULL)&&(names->types==NULL)&&
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(names->compat==NULL)&&(names->symbols==NULL)&&
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(names->geometry==NULL)) {
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LogMessage(X_ERROR, "XKB: No components provided for device %s\n",
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keybd->name ? keybd->name : "(unnamed keyboard)");
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return 0;
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}
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else if (!XkbDDXCompileKeymapByNames(xkb,names,want,need,
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nameRtrn,nameRtrnLen)){
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LogMessage(X_ERROR, "XKB: Couldn't compile keymap\n");
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return 0;
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}
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file= XkbDDXOpenConfigFile(nameRtrn,fileName,PATH_MAX);
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if (file==NULL) {
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LogMessage(X_ERROR, "Couldn't open compiled keymap file %s\n",fileName);
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return 0;
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}
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missing= XkmReadFile(file,need,want,xkbRtrn);
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if (*xkbRtrn==NULL) {
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LogMessage(X_ERROR, "Error loading keymap %s\n",fileName);
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fclose(file);
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(void) unlink (fileName);
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return 0;
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}
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else {
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DebugF("Loaded XKB keymap %s, defined=0x%x\n",fileName,(*xkbRtrn)->defined);
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}
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fclose(file);
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(void) unlink (fileName);
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return (need|want)&(~missing);
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}
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Bool
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XkbDDXNamesFromRules( DeviceIntPtr keybd,
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char * rules_name,
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XkbRF_VarDefsPtr defs,
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XkbComponentNamesPtr names)
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{
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char buf[PATH_MAX];
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FILE * file;
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Bool complete;
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XkbRF_RulesPtr rules;
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if (!rules_name)
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return FALSE;
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if (snprintf(buf, PATH_MAX, "%s/rules/%s", XkbBaseDirectory, rules_name)
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>= PATH_MAX) {
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LogMessage(X_ERROR, "XKB: Rules name is too long\n");
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return FALSE;
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}
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file = fopen(buf, "r");
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if (!file) {
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LogMessage(X_ERROR, "XKB: Couldn't open rules file %s\n", buf);
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return FALSE;
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}
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rules = XkbRF_Create();
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if (!rules) {
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LogMessage(X_ERROR, "XKB: Couldn't create rules struct\n");
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fclose(file);
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return FALSE;
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}
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if (!XkbRF_LoadRules(file, rules)) {
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LogMessage(X_ERROR, "XKB: Couldn't parse rules file %s\n", rules_name);
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fclose(file);
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XkbRF_Free(rules,TRUE);
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return FALSE;
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}
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memset(names, 0, sizeof(*names));
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complete = XkbRF_GetComponents(rules,defs,names);
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fclose(file);
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XkbRF_Free(rules, TRUE);
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if (!complete)
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LogMessage(X_ERROR, "XKB: Rules returned no components\n");
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return complete;
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}
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static Bool
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XkbRMLVOtoKcCGST(DeviceIntPtr dev, XkbRMLVOSet *rmlvo, XkbComponentNamesPtr kccgst)
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{
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XkbRF_VarDefsRec mlvo;
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mlvo.model = rmlvo->model;
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mlvo.layout = rmlvo->layout;
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mlvo.variant = rmlvo->variant;
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mlvo.options = rmlvo->options;
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return XkbDDXNamesFromRules(dev, rmlvo->rules, &mlvo, kccgst);
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}
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/**
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* Compile the given RMLVO keymap and return it. Returns the XkbDescPtr on
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* success or NULL on failure. If the components compiled are not a superset
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* or equal to need, the compiliation is treated as failure.
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*/
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static XkbDescPtr
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XkbCompileKeymapForDevice(DeviceIntPtr dev, XkbRMLVOSet *rmlvo, int need)
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{
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XkbDescPtr xkb = NULL;
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unsigned int provided;
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XkbComponentNamesRec kccgst = {0};
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char name[PATH_MAX];
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if (XkbRMLVOtoKcCGST(dev, rmlvo, &kccgst)) {
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provided = XkbDDXLoadKeymapByNames(dev, &kccgst, XkmAllIndicesMask, need,
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&xkb, name, PATH_MAX);
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if ((need & provided) != need) {
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if (xkb) {
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XkbFreeKeyboard(xkb, 0, TRUE);
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xkb = NULL;
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}
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}
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}
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XkbFreeComponentNames(&kccgst, FALSE);
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return xkb;
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}
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XkbDescPtr
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XkbCompileKeymap(DeviceIntPtr dev, XkbRMLVOSet *rmlvo)
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{
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XkbDescPtr xkb;
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unsigned int need;
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if (!dev || !rmlvo) {
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LogMessage(X_ERROR, "XKB: No device or RMLVO specified\n");
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return NULL;
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}
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/* These are the components we really really need */
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need = XkmSymbolsMask | XkmCompatMapMask | XkmTypesMask |
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XkmKeyNamesMask | XkmVirtualModsMask;
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xkb = XkbCompileKeymapForDevice(dev, rmlvo, need);
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if (!xkb) {
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XkbRMLVOSet dflts;
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/* we didn't get what we really needed. And that will likely leave
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* us with a keyboard that doesn't work. Use the defaults instead */
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LogMessage(X_ERROR, "XKB: Failed to load keymap. Loading default "
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"keymap instead.\n");
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XkbGetRulesDflts(&dflts);
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xkb = XkbCompileKeymapForDevice(dev, &dflts, 0);
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XkbFreeRMLVOSet(&dflts, FALSE);
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}
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return xkb;
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}
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