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.
24 fprintf(stderr, "usage: nvram [get name] [set name=value] [unset name] [commit] [show]\n");
28 /* hack for some PMON default nvram values which have '\r' appended */
30 puts_trim_cr(char *str)
33 if (len && (str[len-1] == '\r')) len--;
34 printf("%.*s\n", len, str);
39 main(int argc, char **argv)
41 char *name, *value, buf[NVRAM_SPACE];
44 /* Skip program name */
51 /* Process the remaining arguments. */
52 for (; *argv; argv++) {
53 if (!strncmp(*argv, "get", 3)) {
55 if ((value = nvram_get(*argv))) {
60 else if (!strncmp(*argv, "set", 3)) {
62 strncpy(value = buf, *argv, sizeof(buf));
63 name = strsep(&value, "=");
64 nvram_set(name, value);
67 else if (!strncmp(*argv, "unset", 5)) {
71 else if (!strncmp(*argv, "commit", 5)) {
74 else if (!strncmp(*argv, "show", 4) ||
75 !strncmp(*argv, "getall", 6)) {
76 nvram_getall(buf, sizeof(buf));
77 for (name = buf; *name; name += strlen(name) + 1)
79 size = sizeof(struct nvram_header) + (int) name - (int) buf;
80 fprintf(stderr, "size: %d bytes (%d left)\n", size, NVRAM_SPACE - size);