2 * Frontend command-line utility for Linux NVRAM layer
4 * Copyright 2004, Broadcom Corporation
7 * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY
8 * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM
9 * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
10 * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE.
25 fprintf(stderr, "usage: nvram [get name] [set name=value] [unset name] [show]\n");
29 /* hack for some PMON default nvram values which have '\r' appended */
31 puts_trim_cr(char *str)
34 if (len && (str[len-1] == '\r')) len--;
35 printf("%.*s\n", len, str);
40 main(int argc, char **argv)
42 char *name, *value, buf[NVRAM_SPACE];
45 /* Skip program name */
52 /* Process the remaining arguments. */
53 for (; *argv; argv++) {
54 if (!strncmp(*argv, "get", 3)) {
56 if ((value = nvram_get(*argv))) {
61 else if (!strncmp(*argv, "set", 3)) {
63 strncpy(value = buf, *argv, sizeof(buf));
64 name = strsep(&value, "=");
65 nvram_set(name, value);
68 else if (!strncmp(*argv, "unset", 5)) {
72 else if (!strncmp(*argv, "commit", 5)) {
75 else if (!strncmp(*argv, "show", 4) ||
76 !strncmp(*argv, "getall", 6)) {
77 nvram_getall(buf, sizeof(buf));
78 for (name = buf; *name; name += strlen(name) + 1)
80 size = sizeof(struct nvram_header) + (int) name - (int) buf;
81 fprintf(stderr, "size: %d bytes (%d left)\n", size, NVRAM_SPACE - size);