summaryrefslogtreecommitdiffstats
path: root/commands/readline.c
diff options
context:
space:
mode:
authorsascha <sascha@nomad.localdomain>2007-10-19 11:28:58 +0200
committersascha <sascha@nomad.localdomain>2007-10-19 11:28:58 +0200
commit8a46c1102f7772a5c890da6512988d09c33686a2 (patch)
tree731758bfaa3153b6fd79be44a0b290779e61524c /commands/readline.c
parent95db50e812816127caf570449205a80cd626c263 (diff)
downloadbarebox-8a46c1102f7772a5c890da6512988d09c33686a2.tar.gz
move readline command to a file of its own
Diffstat (limited to 'commands/readline.c')
-rw-r--r--commands/readline.c60
1 files changed, 60 insertions, 0 deletions
diff --git a/commands/readline.c b/commands/readline.c
new file mode 100644
index 0000000..921b72a
--- /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
+