Import X server from vnc-3.3.7.

[rdpsrv] / Xserver / lib / Xau / AuFileName.c

diff --git a/Xserver/lib/Xau/AuFileName.c b/Xserver/lib/Xau/AuFileName.c
new file mode 100644 (file)
index 0000000..08cc697
--- /dev/null
+++ b/Xserver/lib/Xau/AuFileName.c
@@ -0,0 +1,78 @@
+/* $XConsortium: AuFileName.c /main/8 1996/09/28 16:43:20 rws $ */
+/* $XFree86: xc/lib/Xau/AuFileName.c,v 3.2 1996/12/24 08:46:53 dawes Exp $ */
+
+/*
+
+Copyright (c) 1988  X Consortium
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of the X Consortium shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from the X Consortium.
+
+*/
+
+#include <X11/Xauth.h>
+#include <X11/Xos.h>
+
+#ifdef X_NOT_STDC_ENV
+char *malloc (), *getenv ();
+#else
+#include <stdlib.h>
+#endif
+
+char *
+XauFileName ()
+{
+    char *slashDotXauthority = "/.Xauthority";
+    char    *name;
+    static char        *buf;
+    static int bsize;
+#ifdef WIN32
+    char    dir[128];
+#endif
+    int            size;
+
+    if (name = getenv ("XAUTHORITY"))
+       return name;
+    name = getenv ("HOME");
+    if (!name) {
+#ifdef WIN32
+       (void) strcpy (dir, "/users/");
+       if (name = getenv("USERNAME")) {
+           (void) strcat (dir, name);
+           name = dir;
+       }
+       if (!name)
+#endif
+       return 0;
+    }
+    size = strlen (name) + strlen(&slashDotXauthority[1]) + 2;
+    if (size > bsize) {
+       if (buf)
+           free (buf);
+       buf = malloc ((unsigned) size);
+       if (!buf)
+           return 0;
+       bsize = size;
+    }
+    strcpy (buf, name);
+    strcat (buf, slashDotXauthority + (name[1] == '\0' ? 1 : 0));
+    return buf;
+}