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Diffstat (limited to 'commands/readline.c')
| -rw-r--r-- | commands/readline.c | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/commands/readline.c b/commands/readline.c new file mode 100644 index 0000000000..921b72aeb8 --- /dev/null +++ b/commands/readline.c @@ -0,0 +1,60 @@ +/* + * (C) Copyright 2000-2003 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * 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 as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * 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 + */ + +#include <common.h> +#include <command.h> +#include <malloc.h> +#include <xfuncs.h> +#include <environment.h> + +static int do_readline (cmd_tbl_t *cmdtp, int argc, char *argv[]) +{ + char *buf = xzalloc(CONFIG_CBSIZE); + + if (argc < 3) { + u_boot_cmd_usage(cmdtp); + return 1; + } + + if (readline(argv[1], buf, CONFIG_CBSIZE) < 0) { + free(buf); + return 1; + } + + setenv(argv[2], buf); + free(buf); + + return 0; +} + +static __maybe_unused char cmd_readline_help[] = +"Usage: readline <prompt> VAR\n" +"readline reads a line of user input into variable VAR.\n"; + +U_BOOT_CMD_START(readline) + .maxargs = 3, + .cmd = do_readline, + .usage = "prompt for user input", + U_BOOT_CMD_HELP(cmd_readline_help) +U_BOOT_CMD_END + |