10 static nvram_handle_t * nvram_open_rdonly(void)
12 const char *file = nvram_find_staging();
15 file = nvram_find_mtd();
18 return nvram_open(file, NVRAM_RO);
23 static nvram_handle_t * nvram_open_staging(void)
25 if( nvram_find_staging() != NULL || nvram_to_staging() == 0 )
26 return nvram_open(NVRAM_STAGING, NVRAM_RW);
31 static int do_show(nvram_handle_t *nvram)
36 if( (t = nvram_getall(nvram)) != NULL )
40 printf("%s=%s\n", t->name, t->value);
50 static int do_get(nvram_handle_t *nvram, const char *var)
55 if( (val = nvram_get(nvram, var)) != NULL )
64 static int do_unset(nvram_handle_t *nvram, const char *var)
66 return nvram_unset(nvram, var);
69 static int do_set(nvram_handle_t *nvram, const char *pair)
71 char *val = strstr(pair, "=");
72 char var[strlen(pair)];
77 memset(var, 0, sizeof(var));
78 strncpy(var, pair, (int)(val-pair));
79 stat = nvram_set(nvram, var, (char *)(val + 1));
86 int main( int argc, const char *argv[] )
88 nvram_handle_t *nvram;
94 /* Ugly... iterate over arguments to see whether we can expect a write */
95 for( i = 1; i < argc; i++ )
96 if( ( !strcmp(argv[i], "set") && ++i < argc ) ||
97 ( !strcmp(argv[i], "unset") && ++i < argc ) ||
98 !strcmp(argv[i], "commit") )
105 if( (nvram = write ? nvram_open_staging() : nvram_open_rdonly()) != NULL )
107 for( i = 1; i < argc; i++ )
109 if( !strcmp(argv[i], "show") )
111 stat = do_show(nvram);
113 else if( !strcmp(argv[i], "get") && ++i < argc )
115 stat = do_get(nvram, argv[i]);
117 else if( !strcmp(argv[i], "unset") && ++i < argc )
119 stat = do_unset(nvram, argv[i]);
121 else if( !strcmp(argv[i], "set") && ++i < argc )
123 stat = do_set(nvram, argv[i]);
125 else if( !strcmp(argv[i], "commit") )
134 " nvram get variable\n"
135 " nvram set variable=value [set ...]\n"
136 " nvram unset variable [unset ...]\n"
145 stat = nvram_commit(nvram);
150 stat = staging_to_nvram();