release/src-rt-6.x.4708/shared/nvramstubs.c

   1 /*
   2  * Stubs for NVRAM functions for platforms without flash
   3  *
   4  * Copyright (C) 2012, Broadcom Corporation. All Rights Reserved.
   5  *
   6  * Permission to use, copy, modify, and/or distribute this software for any
   7  * purpose with or without fee is hereby granted, provided that the above
   8  * copyright notice and this permission notice appear in all copies.
   9  *
  10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  11  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  12  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
  13  * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  14  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
  15  * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
  16  * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  17  *
  18  * $Id: nvramstubs.c 398971 2013-04-26 22:39:49Z $
  19  */
  20
  21 #include <bcm_cfg.h>
  22 #include <typedefs.h>
  23 #include <bcmutils.h>
  24 #undef strcmp
  25 #define strcmp(s1,s2)   0       /* always match */
  26 #include <bcmnvram.h>
  27
  28 int
  29 nvram_init(void *sih)
  30 {
  31         return 0;
  32 }
  33
  34 #if defined(_CFE_) && defined(BCM_DEVINFO)
  35 int
  36 devinfo_nvram_init(void *sih)
  37 {
  38         return 0;
  39 }
  40 #endif
  41
  42 int
  43 nvram_append(void *sb, char *vars, uint varsz)
  44 {
  45         return 0;
  46 }
  47
  48 void
  49 nvram_exit(void *sih)
  50 {
  51 }
  52
  53 char *
  54 nvram_get(const char *name)
  55 {
  56         return (char *) 0;
  57 }
  58
  59 int
  60 nvram_set(const char *name, const char *value)
  61 {
  62         return 0;
  63 }
  64
  65 int
  66 nvram_unset(const char *name)
  67 {
  68         return 0;
  69 }
  70
  71 int
  72 nvram_commit(void)
  73 {
  74         return 0;
  75 }
  76
  77 int
  78 nvram_getall(char *buf, int count)
  79 {
  80         /* add null string as terminator */
  81         if (count < 1)
  82                 return BCME_BUFTOOSHORT;
  83         *buf = '\0';
  84         return 0;
  85 }