Added libXmu

1 files changed, 117 insertions, 0 deletions

diff --git a/libXmu/src/Initer.c b/libXmu/src/Initer.c
new file mode 100644
index 000000000..f18492f69
--- /dev/null
+++ b/libXmu/src/Initer.c
@@ -0,0 +1,117 @@
+/* $Xorg: Initer.c,v 1.4 2001/02/09 02:03:52 xorgcvs Exp $ */
+
+/* 
+ 
+Copyright 1988, 1989, 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.
+
+*/
+/* $XFree86: xc/lib/Xmu/Initer.c,v 1.6 2001/01/17 19:42:56 dawes Exp $ */
+
+/* Created By:  Chris D. Peterson
+ *              MIT X Consortium
+ * Date:        May 8, 1989
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <X11/Intrinsic.h>
+#include <X11/Xmu/Initer.h>
+
+struct InitializerList {
+  XmuInitializerProc function;	/* function to call */
+  XPointer data;		/* Data to pass the function. */
+  XtAppContext * app_con_list;	/* a null terminated list of app_contexts. */
+};
+  
+/*
+ * Prototypes
+ */
+static Bool AddToAppconList(XtAppContext**, XtAppContext);
+  
+static struct InitializerList * init_list = NULL;
+static Cardinal init_list_length = 0;
+
+void
+XmuAddInitializer(XmuInitializerProc func, XPointer data)
+{
+  init_list_length++;
+  init_list = (struct InitializerList *) XtRealloc( (char *) init_list, 
+					    (sizeof(struct InitializerList) * 
+					     init_list_length) );
+
+  init_list[init_list_length - 1].function = func;
+  init_list[init_list_length - 1].data = data;
+  init_list[init_list_length - 1].app_con_list = NULL;
+}
+
+void
+XmuCallInitializers(XtAppContext app_con)
+{
+  unsigned i;
+
+  for (i = 0 ; i < init_list_length ; i++) {
+    if (AddToAppconList(&(init_list[i].app_con_list), app_con))
+      (init_list[i].function) (app_con, init_list[i].data);
+  }
+}
+
+/*
+ * Function:
+ *	AddToAppconList
+ *
+ * Parameters:
+ *	app_list - NULL terminated list of application contexts
+ *	app_con	 - application context to test
+ *
+ * Description:
+ *	  Adds an action to the application context list and
+ *	returns True, if this app_con is already on the list then
+ *	it is NOT added and False is returned.
+ *
+ * Returns:
+ *	True if not found, False if found
+ */
+static Bool
+AddToAppconList(XtAppContext **app_list, XtAppContext app_con)
+{
+  int i;
+  XtAppContext *local_list;
+
+  i = 0;
+  local_list = *app_list;
+  if (*app_list != NULL) {
+    for ( ; *local_list != NULL ; i++, local_list++) {
+      if (*local_list == app_con)
+	return (False);
+    }
+  }
+
+  *app_list = (XtAppContext *)  XtRealloc((char *)(*app_list),
+					  sizeof(XtAppContext *) * (i + 2) );
+  (*app_list)[i++] = app_con;
+  (*app_list)[i] = NULL;
+
+  return (True);
+}
+