new command: source - run commands from a file

1 files changed, 92 insertions, 0 deletions

diff --git a/avr/cmd_run.c b/avr/cmd_run.c
new file mode 100644
index 0000000..97d39d1
--- /dev/null
+++ b/avr/cmd_run.c
@@ -0,0 +1,92 @@
+/*
+ * (C) Copyright 2016 Leo C. <erbl259-lmu@yahoo.de>
+ *
+ * SPDX-License-Identifier:	GPL-2.0
+ */
+
+#include "common.h"
+#include <string.h>
+#include <stdio.h>
+
+#include "ff.h"
+#include "config.h"
+#include "command.h"
+#include "cli_readline.h"	/* console_buffer[] */
+#include "cli.h"			/* run_command() */
+#include "env.h"
+
+
+command_ret_t do_run(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+	int i;
+	(void) cmdtp;
+
+	if (argc < 2)
+		return CMD_RET_USAGE;
+
+	for (i = 1; i < argc; ++i) {
+		char *arg;
+
+		arg = getenv_char(argv[i]);
+		if (arg == NULL) {
+			printf_P(PSTR("## Error: \"%s\" is not set\n"), argv[i]);
+			return CMD_RET_FAILURE;
+		}
+
+		if (run_command(arg, flag) != 0)
+			return CMD_RET_FAILURE;
+	}
+	return CMD_RET_SUCCESS;
+}
+
+static int source(FIL *fp, int flag, int argc, char * const argv[])
+{
+	int lineno = 0;
+	int res = 0;
+
+	(void)argc; (void)argv;
+
+	while (!f_eof(fp) && !f_error(fp) && !res) {
+		lineno++;
+		if (f_gets(console_buffer, CONFIG_SYS_CBSIZE, fp)) {
+			int i = strlen(console_buffer) - 1;
+			if (i != 0) {
+				if (i > 0) {
+					if (console_buffer[i] != '\n') {
+						printf_P(PSTR("Error: line %d to long\n"), lineno);
+						res = -1;
+						break;
+					}
+				}
+				console_buffer[i] = 0;
+				res = run_command(console_buffer, flag);
+			}
+		}
+	}
+	return !f_eof(fp) || res;
+}
+
+command_ret_t do_source(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+	FIL File;
+	int res;
+
+	(void) cmdtp;
+
+	if (argc < 2)
+		return CMD_RET_USAGE;
+
+	res = f_open(&File, argv[1], FA_READ );
+	if (res) {
+		printf_P(PSTR("Error: failed to open script '%s'\n"), argv[1]);
+		return CMD_RET_FAILURE;
+	}
+
+	printf_P(PSTR("Executing script: '%s'...\n"), argv[1]);
+	res = source(&File, flag, --argc, ++argv);
+	f_close(&File);
+	if (res != 0) {
+		return CMD_RET_FAILURE;
+	}
+	return CMD_RET_SUCCESS;
+}