From bf4630076762d9c20c16c80c1c791f352b046dd1 Mon Sep 17 00:00:00 2001
From: Brad Bishop <bradleyb@us.ibm.com>
Date: Mon, 30 Jun 2014 22:10:16 -0500
Subject: Port FFS tools over from Building Block repository.

---
 fpart/src/cmd_create.c | 113 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 113 insertions(+)
 create mode 100644 fpart/src/cmd_create.c

(limited to 'fpart/src/cmd_create.c')

diff --git a/fpart/src/cmd_create.c b/fpart/src/cmd_create.c
new file mode 100644
index 0000000..f7448ec
--- /dev/null
+++ b/fpart/src/cmd_create.c
@@ -0,0 +1,113 @@
+/*
+ *   Copyright (c) International Business Machines Corp., 2012
+ *
+ *   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
+ */
+
+/*
+ *    File: create.c
+ *  Author: Shaun Wetzstein <shaun@us.ibm.com>
+ *   Descr: --create implementation
+ *    Date: 01/30/2013
+ */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#include <fcntl.h>
+#include <string.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <stdbool.h>
+#include <unistd.h>
+#include <getopt.h>
+#include <errno.h>
+#include <ctype.h>
+#include <regex.h>
+
+#include <clib/attribute.h>
+#include <clib/assert.h>
+#include <clib/list.h>
+#include <clib/list_iter.h>
+#include <clib/misc.h>
+#include <clib/min.h>
+#include <clib/err.h>
+#include <clib/raii.h>
+
+#include "main.h"
+
+int command_create(args_t * args)
+{
+	assert(args != NULL);
+
+	size_t block = 0;
+	size_t size = 0;
+	size_t pad = 0xff;
+
+	if (parse_size(args->block, &block) < 0)
+		return -1;
+	if (parse_size(args->size, &size) < 0)
+		return -1;
+	if (args->pad != NULL)
+		if (parse_size(args->pad, &pad) < 0)
+			return -1;
+
+	struct stat st;
+	if (stat(args->target, &st) < 0) {
+		if (errno == ENOENT) {
+			create_regular_file(args->target, size, (uint8_t)pad);
+		} else {
+			ERRNO(errno);
+			return -1;
+		}
+	} else {
+		if (st.st_size != size) {
+			create_regular_file(args->target, size, (uint8_t)pad);
+		} else {
+			if (args->force != f_FORCE && st.st_size != size) {
+				UNEXPECTED("--size '%d' differs from actual "
+					   "size '%lld', use --force to "
+					   "override", size, st.st_size);
+				return -1;
+			}
+		}
+	}
+
+	/* ========================= */
+
+	int create(args_t * args, off_t poffset)
+	{
+		if (args->verbose == f_VERBOSE)
+			printf("%llx: create partition table\n", poffset);
+
+		const char * target = args->target;
+		int debug = args->debug;
+
+		RAII(FILE*, file, fopen_generic(target, "r+", debug), fclose);
+		if (file == NULL)
+			return -1;
+		RAII(ffs_t*, ffs, __ffs_fcreate(file, poffset, block,
+		     size / block), __ffs_fclose);
+		if (ffs == NULL)
+			return -1;
+
+		return 0;
+	}
+
+	/* ========================= */
+
+	return command(args, create);
+}
-- 
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