int nvram_commit(void)
{
LOCK_NVRAM();
int stat=0;
if(!(_nvram!=NULL)) _nvram = _lib_nvram_open_staging();
stat= _nvram_commit(_nvram);
stat = staging_to_nvram();
UNLOCK_NVRAM();
return stat;
}
int main( int argc, const char *argv[] )
{
nvram_handle_t *nvram;
int commit = 0;
int write = 0;
int stat = 1;
int done = 0;
int i;
/* Ugly... iterate over arguments to see whether we can expect a write */
for( i = 1; i < argc; i++ )
if( ( !strcmp(argv[i], "set") && ++i < argc ) ||
( !strcmp(argv[i], "unset") && ++i < argc ) ||
!strcmp(argv[i], "commit") )
{
write = 1;
break;
}
nvram = write ? nvram_open_staging() : nvram_open_rdonly();
if( nvram != NULL && argc > 1 )
{
for( i = 1; i < argc; i++ )
{
if( !strcmp(argv[i], "show") )
{
stat = do_show(nvram);
done++;
}
else if( !strcmp(argv[i], "info") )
{
stat = do_info(nvram);
done++;
}
else if( !strcmp(argv[i], "get") || !strcmp(argv[i], "unset") || !strcmp(argv[i], "set") )
{
if( (i+1) < argc )
{
switch(argv[i++][0])
{
case 'g':
stat = do_get(nvram, argv[i]);
break;
case 'u':
stat = do_unset(nvram, argv[i]);
break;
case 's':
stat = do_set(nvram, argv[i]);
break;
}
done++;
}
else
{
fprintf(stderr, "Command '%s' requires an argument!\n", argv[i]);
done = 0;
break;
}
}
else if( !strcmp(argv[i], "commit") )
{
commit = 1;
done++;
}
else
{
fprintf(stderr, "Unknown option '%s' !\n", argv[i]);
done = 0;
break;
}
}
if( write )
stat = nvram_commit(nvram);
nvram_close(nvram);
if( commit )
stat = staging_to_nvram();
}
if( !nvram )
{
fprintf(stderr,
"Could not open nvram! Possible reasons are:\n"
" - No device found (/proc not mounted or no nvram present)\n"
" - Insufficient permissions to open mtd device\n"
" - Insufficient memory to complete operation\n"
" - Memory mapping failed or not supported\n"
);
stat = 1;
}
else if( !done )
{
fprintf(stderr,
"Usage:\n"
" nvram show\n"
" nvram info\n"
" nvram get variable\n"
" nvram set variable=value [set ...]\n"
" nvram unset variable [unset ...]\n"
" nvram commit\n"
);
stat = 1;
}
return stat;
}
