78 lines
1.7 KiB
C
78 lines
1.7 KiB
C
/*
|
|
* Frontend command-line utility for Linux NVRAM layer
|
|
*
|
|
* Copyright 2004, Broadcom Corporation
|
|
* All Rights Reserved.
|
|
*
|
|
* THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY
|
|
* KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM
|
|
* SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
|
|
* FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE.
|
|
*
|
|
* $Id$
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#include <typedefs.h>
|
|
#include <bcmnvram.h>
|
|
|
|
static void
|
|
usage(void)
|
|
{
|
|
fprintf(stderr, "usage: nvram [get name] [set name=value] [unset name] [show]\n");
|
|
exit(0);
|
|
}
|
|
|
|
/* NVRAM utility */
|
|
int
|
|
main(int argc, char **argv)
|
|
{
|
|
char *name, *value, buf[NVRAM_SPACE];
|
|
int size;
|
|
|
|
/* Skip program name */
|
|
--argc;
|
|
++argv;
|
|
|
|
if (!*argv)
|
|
usage();
|
|
|
|
/* Process the remaining arguments. */
|
|
for (; *argv; argv++) {
|
|
if (!strncmp(*argv, "get", 3)) {
|
|
if (*++argv) {
|
|
if ((value = nvram_get(*argv)))
|
|
puts(value);
|
|
}
|
|
}
|
|
else if (!strncmp(*argv, "set", 3)) {
|
|
if (*++argv) {
|
|
strncpy(value = buf, *argv, sizeof(buf));
|
|
name = strsep(&value, "=");
|
|
nvram_set(name, value);
|
|
}
|
|
}
|
|
else if (!strncmp(*argv, "unset", 5)) {
|
|
if (*++argv)
|
|
nvram_unset(*argv);
|
|
}
|
|
else if (!strncmp(*argv, "commit", 5)) {
|
|
nvram_commit();
|
|
}
|
|
else if (!strncmp(*argv, "show", 4) ||
|
|
!strncmp(*argv, "getall", 6)) {
|
|
nvram_getall(buf, sizeof(buf));
|
|
for (name = buf; *name; name += strlen(name) + 1)
|
|
puts(name);
|
|
size = sizeof(struct nvram_header) + (int) name - (int) buf;
|
|
fprintf(stderr, "size: %d bytes (%d left)\n", size, NVRAM_SPACE - size);
|
|
}
|
|
if (!*argv)
|
|
break;
|
|
}
|
|
|
|
return 0;
|
|
}
|