1 files changed, 70 insertions, 0 deletions
diff --git a/AuFileName.c b/AuFileName.c
new file mode 100644
index 0000000..aa456a1
--- /dev/null
+++ b/AuFileName.c
@@ -0,0 +1,70 @@
+/* $Xorg: AuFileName.c,v 1.5 2001/02/09 02:03:42 xorgcvs Exp $ */
+
+/*
+
+Copyright 1988, 1998  The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+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
+OPEN GROUP 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 Open Group 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 Open Group.
+
+*/
+
+#include <X11/Xauth.h>
+#include <X11/Xos.h>
+
+char *
+XauFileName ()
+{
+    char *slashDotXauthority = "/.Xauthority";
+    char    *name, *malloc (), *getenv ();
+    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;
+}