76 lines
2.1 KiB
C
76 lines
2.1 KiB
C
/* $Xorg: AuFileName.c,v 1.5 2001/02/09 02:03:42 xorgcvs Exp $ */
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/*
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Copyright 1988, 1998 The Open Group
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Permission to use, copy, modify, distribute, and sell this software and its
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documentation for any purpose is hereby granted without fee, provided that
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the above copyright notice appear in all copies and that both that
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copyright notice and this permission notice appear in supporting
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documentation.
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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Except as contained in this notice, the name of The Open Group shall not be
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used in advertising or otherwise to promote the sale, use or other dealings
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in this Software without prior written authorization from The Open Group.
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*/
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/* $XFree86: xc/lib/Xau/AuFileName.c,v 3.6 2001/07/25 15:04:48 dawes Exp $ */
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <X11/Xauth.h>
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#include <X11/Xos.h>
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#include <stdlib.h>
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char *
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XauFileName (void)
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{
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const char *slashDotXauthority = "/.Xauthority";
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char *name;
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static char *buf;
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static int bsize;
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#ifdef WIN32
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char dir[128];
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#endif
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int size;
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if ((name = getenv ("XAUTHORITY")))
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return name;
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name = getenv ("HOME");
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if (!name) {
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#ifdef WIN32
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(void) strcpy (dir, "/users/");
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if ((name = getenv("USERNAME"))) {
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(void) strcat (dir, name);
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name = dir;
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}
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if (!name)
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#endif
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return NULL;
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}
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size = strlen (name) + strlen(&slashDotXauthority[1]) + 2;
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if (size > bsize) {
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if (buf)
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free (buf);
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buf = malloc ((unsigned) size);
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if (!buf)
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return NULL;
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bsize = size;
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}
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strcpy (buf, name);
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strcat (buf, slashDotXauthority + (name[1] == '\0' ? 1 : 0));
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return buf;
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}
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