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; }