diff options
Diffstat (limited to 'commands/magicvar.c')
| -rw-r--r-- | commands/magicvar.c | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/commands/magicvar.c b/commands/magicvar.c index d92788a60f..cf1fe45d9d 100644 --- a/commands/magicvar.c +++ b/commands/magicvar.c @@ -1,21 +1,49 @@ #include <common.h> #include <command.h> +#include <getopt.h> +#include <environment.h> #include <magicvar.h> static int do_magicvar(int argc, char *argv[]) { struct magicvar *m; + int opt; + int verbose = 0; + + while ((opt = getopt(argc, argv, "v")) > 0) { + switch (opt) { + case 'v': + verbose = 1; + break; + default: + return COMMAND_ERROR_USAGE; + } + } for (m = &__barebox_magicvar_start; m != &__barebox_magicvar_end; - m++) + m++) { printf("%-32s %s\n", m->name, m->description); + if (verbose) { + const char *val = getenv(m->name); + if (val && strlen(val)) + printf(" %s\n", val); + } + } return 0; } + +BAREBOX_CMD_HELP_START(magicvar) +BAREBOX_CMD_HELP_TEXT("Options:") +BAREBOX_CMD_HELP_OPT ("-v", "verbose (list all value if there is one)") +BAREBOX_CMD_HELP_END + BAREBOX_CMD_START(magicvar) .cmd = do_magicvar, BAREBOX_CMD_DESC("list information about magic variables") + BAREBOX_CMD_OPTS("[-v]") + BAREBOX_CMD_HELP(cmd_magicvar_help) BAREBOX_CMD_GROUP(CMD_GRP_ENV) BAREBOX_CMD_END |