From 2966bba2160e3d9e828c1eadcd9a35a84878e664 Mon Sep 17 00:00:00 2001 From: Juergen Beisert Date: Fri, 9 Nov 2007 22:09:25 +0100 Subject: separating environment commands, part 1 Signed-off-by: Juergen Beisert --- commands/export.c | 73 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 73 insertions(+) create mode 100644 commands/export.c (limited to 'commands/export.c') diff --git a/commands/export.c b/commands/export.c new file mode 100644 index 0000000000..b5eb5cf483 --- /dev/null +++ b/commands/export.c @@ -0,0 +1,73 @@ +/* + * Copyright (c) 2007 Sascha Hauer , Pengutronix + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +/** + * @file + * @brief export: Export an environment variable + */ + +#include +#include +#include +#include + +static int do_export ( cmd_tbl_t *cmdtp, int argc, char *argv[]) +{ + int i = 1; + char *ptr; + + if (argc < 2) { + printf ("Usage:\n%s\n", cmdtp->usage); + return 1; + } + + while (i < argc) { + if ((ptr = strchr(argv[i], '='))) { + *ptr++ = 0; + setenv(argv[i], ptr); + } + if (export(argv[i])) { + printf("could not export: %s\n", argv[i]); + return 1; + } + i++; + } + + return 0; +} + +static __maybe_unused char cmd_export_help[] = +"Usage: export [=value]...\n" +"export an environment variable to subsequently executed scripts\n"; + +U_BOOT_CMD_START(export) + .maxargs = CONFIG_MAXARGS, + .cmd = do_export, + .usage = "export environment variables", + U_BOOT_CMD_HELP(cmd_export_help) +U_BOOT_CMD_END + +/** + * @page export_command export: Export an environment variable + * + * Usage: export \[=value]... + * + * Export an environment variable to subsequently executed scripts. + */ -- cgit v1.2.3