patch-2.2.11 linux/drivers/isdn/isdn_syms.c

• Lines: 115
• Date: Mon Aug 9 12:04:39 1999
• Orig file: v2.2.10/linux/drivers/isdn/isdn_syms.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.2.10/linux/drivers/isdn/isdn_syms.c linux/drivers/isdn/isdn_syms.c
@@ -0,0 +1,114 @@
+/* $Id: isdn_syms.c,v 1.3.2.1 1999/04/22 21:09:37 werner Exp $
+
+ * Linux ISDN subsystem, exported symbols (linklevel).
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ * $Log: isdn_syms.c,v $
+ * Revision 1.3.2.1  1999/04/22 21:09:37  werner
+ * Added support for dss1 diversion services
+ *
+ * Revision 1.3  1997/02/16 01:02:47  fritz
+ * Added GPL-Header, Id and Log
+ *
+ */
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/version.h>
+
+#ifndef __GENKSYMS__      /* Don't want genksyms report unneeded structs */
+#include <linux/isdn.h>
+#endif
+#include "isdn_common.h"
+#ifdef CONFIG_ISDN_DIVERSION
+  #include <linux/isdn_divertif.h>
+extern isdn_divert_if *divert_if;
+
+static char *map_drvname(int di)
+{
+  if ((di < 0) || (di >= ISDN_MAX_DRIVERS)) 
+    return(NULL);
+  return(dev->drvid[di]); /* driver name */
+} /* map_drvname */
+
+static int map_namedrv(char *id)
+{  int i;
+
+   for (i = 0; i < ISDN_MAX_DRIVERS; i++)
+    { if (!strcmp(dev->drvid[i],id)) 
+        return(i);
+    }
+   return(-1);
+} /* map_namedrv */
+
+int DIVERT_REG_NAME(isdn_divert_if *i_div)
+{
+  if (i_div->if_magic != DIVERT_IF_MAGIC) 
+    return(DIVERT_VER_ERR);
+  switch (i_div->cmd)
+    {
+      case DIVERT_CMD_REL:
+        if (divert_if != i_div) 
+          return(DIVERT_REL_ERR);
+        divert_if = NULL; /* free interface */
+        MOD_DEC_USE_COUNT;
+        return(DIVERT_NO_ERR);
+
+      case DIVERT_CMD_REG:
+        if (divert_if) 
+          return(DIVERT_REG_ERR);
+        i_div->ll_cmd = isdn_command; /* set command function */
+        i_div->drv_to_name = map_drvname; 
+        i_div->name_to_drv = map_namedrv; 
+        MOD_INC_USE_COUNT;
+        divert_if = i_div; /* remember interface */
+        return(DIVERT_NO_ERR);
+
+      default:
+        return(DIVERT_CMD_ERR);   
+    }
+} /* DIVERT_REG_NAME */
+
+#endif CONFIG_ISDN_DIVERSION
+
+#if (LINUX_VERSION_CODE < 0x020111)
+static int has_exported;
+
+static struct symbol_table isdn_syms = {
+#include <linux/symtab_begin.h>
+        X(register_isdn),
+#ifdef CONFIG_ISDN_DIVERSION
+        X(DIVERT_REG_NAME),
+#endif CONFIG_ISDN_DIVERSION
+#include <linux/symtab_end.h>
+};
+
+void
+isdn_export_syms(void)
+{
+	if (has_exported)
+		return;
+        register_symtab(&isdn_syms);
+        has_exported = 1;
+}
+
+#else
+
+EXPORT_SYMBOL(register_isdn);
+#ifdef CONFIG_ISDN_DIVERSION
+  EXPORT(DIVERT_REG_NAME);
+#endif CONFIG_ISDN_DIVERSION
+
+#endif