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// SPDX-License-Identifier: GPL-2.0-only
// SPDX-FileCopyrightText: © 2007 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
#include <common.h>
#include <command.h>
#include <errno.h>
#include <environment.h>
static int do_printenv(int argc, char *argv[])
{
struct variable_d *v;
struct env_context *c;
if (argc == 2) {
const char *val = getenv(argv[1]);
if (val) {
printf("%s=%s\n", argv[1], val);
return 0;
}
printf("## Error: \"%s\" not defined\n", argv[1]);
return 1;
}
c = get_current_context();
printf("locals:\n");
list_for_each_entry(v, &c->local, list)
printf("%s=%s\n", var_name(v), var_val(v));
printf("globals:\n");
c = get_current_context();
while (c) {
list_for_each_entry(v, &c->global, list)
printf("%s=%s\n", var_name(v), var_val(v));
c = c->parent;
}
return 0;
}
BAREBOX_CMD_HELP_START(printenv)
BAREBOX_CMD_HELP_TEXT("If an argument is given, printenv prints the content of an environment")
BAREBOX_CMD_HELP_TEXT("variable to the terminal. If no argument is specified, all variables are")
BAREBOX_CMD_HELP_TEXT("printed.")
BAREBOX_CMD_HELP_END
BAREBOX_CMD_START(printenv)
.cmd = do_printenv,
BAREBOX_CMD_DESC("print value of environment variables")
BAREBOX_CMD_OPTS("[VARIABLE]")
BAREBOX_CMD_GROUP(CMD_GRP_ENV)
BAREBOX_CMD_HELP(cmd_printenv_help)
BAREBOX_CMD_END
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