From 5be93dcbf99b79a75ac1022fa3ae7010e09c84f2 Mon Sep 17 00:00:00 2001
From: Leo C <leo@lenti.loc>
Date: Fri, 18 May 2018 13:07:45 +0200
Subject: [PATCH] add fat commands rm, rmdir, mkdir (WIP)

---
 avr/cmd_fat.c     | 62 +++++++++++++++++++++++++++++++++++++++++++++++
 include/command.h |  3 +--
 2 files changed, 63 insertions(+), 2 deletions(-)

diff --git a/avr/cmd_fat.c b/avr/cmd_fat.c
index 4d3e751..0e7063a 100644
--- a/avr/cmd_fat.c
+++ b/avr/cmd_fat.c
@@ -396,6 +396,53 @@ void strip_trailing_slash_relpath(char *p)
 }
 #endif
 
+command_ret_t do_rm(cmd_tbl_t *cmdtp UNUSED, uint_fast8_t flag UNUSED, int argc, char * const argv[])
+{
+	DIR Dir;					/* Directory object */
+	FILINFO Finfo;
+	FRESULT res;
+
+	if (argc < 2)
+		err("missing operand");
+
+	for (int i = 1; i < argc; i++) {
+		if (!path_set(&from, argv[1])) {
+			/* TODO: error out*/
+		}
+		char *pattern = path_basename_pattern(&from);
+
+		//debug_rm("==== path: '%s', pattern: '%s'\n", from.p_path ? from.p_path : "<NULL>", pattern ? pattern : "<NULL>");
+
+		res = f_findfirst(&Dir, &Finfo, from.p_path, pattern);
+		while (res == FR_OK && Finfo.fname[0]) {
+			if (!(Finfo.fattrib & AM_DIR)) {
+				if ((res = f_unlink(Finfo.fname)) != FR_OK) {
+					put_rc(res);
+					break;
+				}
+			}
+			res = f_findnext(&Dir, &Finfo);
+		}
+		f_closedir(&Dir);
+	}
+
+	if (res) {
+		put_rc(res);
+		return CMD_RET_FAILURE;
+	}
+
+	return CMD_RET_SUCCESS;
+}
+
+command_ret_t do_rmdir(cmd_tbl_t *cmdtp UNUSED, uint_fast8_t flag UNUSED, int argc, char * const argv[])
+{
+}
+
+command_ret_t do_mkdir(cmd_tbl_t *cmdtp UNUSED, uint_fast8_t flag UNUSED, int argc, char * const argv[])
+{
+}
+
+
 int print_dirent(FILINFO *f)
 {
 	return printf_P(PSTR("%c%c%c%c%c %u/%02u/%02u %02u:%02u %9lu  %s\n"),
@@ -1217,6 +1264,21 @@ CMD_TBL_ITEM(
 	"Change the current/working directory.",
 	"path"
 ),
+CMD_TBL_ITEM(
+	rm,		CONFIG_SYS_MAXARGS,	0,			do_rm,
+	"Remove FILE(s)",
+	"[OPTION]... [FILE]..."
+),
+CMD_TBL_ITEM(
+	rmdir,		CONFIG_SYS_MAXARGS,	0,			do_rmdir,
+	"Remove the DIRECTORY(ies), if they are empty",
+	"[OPTION]... DIRECTORY..."
+),
+CMD_TBL_ITEM(
+	mkdir,		CONFIG_SYS_MAXARGS,	0,			do_mkdir,
+	"Create the DIRECTORY(ies), if they do not already exist.",
+	"[OPTION]... DIRECTORY..."
+),
 CMD_TBL_ITEM(
 	ls,		2,	CTBL_RPT,	do_ls,
 	"Directory listing",
diff --git a/include/command.h b/include/command.h
index d7eccc9..54c0472 100644
--- a/include/command.h
+++ b/include/command.h
@@ -50,13 +50,12 @@ struct cmd_tbl_s {
 	uint8_t		maxargs;			/* maximum number of arguments	*/
 	uint8_t		flags;			/* autorepeat allowed?		*/
 								/* Implementation function	*/
-	command_ret_t	(*cmd)(const FLASH struct cmd_tbl_s *, uint_fast8_t, int, char * const []);
+	command_ret_t	(*cmd)(cmd_tbl_t *, uint_fast8_t, int, char * const []);
 	const FLASH char *usage;	/* Usage message	(short)	*/
 #ifdef	CONFIG_SYS_LONGHELP
 	const FLASH char *help;		/* Help  message	(long)	*/
 #endif
 	cmd_tbl_t *subcmd;
-//	const FLASH struct cmd_tbl_s *subcommands;
 #ifdef CONFIG_AUTO_COMPLETE
 	/* do auto completion on the arguments */
 	int		(*complete)(int argc, char * const argv[], char last_char, int maxv, char *cmdv[]);
-- 
2.39.2