+/*
+ * jffs2 on-disk structure generator for mtd
+ *
+ * Copyright (C) 2008 Felix Fietkau <nbd@openwrt.org>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License v2
+ * as published by the Free Software Foundation.
+ *
+ * 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.
+ * Based on:
+ * JFFS2 -- Journalling Flash File System, Version 2.
+ * Copyright © 2001-2007 Red Hat, Inc.
+ * Created by David Woodhouse <dwmw2@infradead.org>
+ */
#include <sys/types.h>
#include <sys/stat.h>
#include <stdint.h>
#include <string.h>
#include <dirent.h>
#include <unistd.h>
+#include <endian.h>
#include "jffs2.h"
#include "crc32.h"
#include "mtd.h"
#define PAD(x) (((x)+3)&~3)
-#define CLEANMARKER "\x85\x19\x03\x20\x0c\x00\x00\x00\xb1\xb0\x1e\xe4"
+#if BYTE_ORDER == BIG_ENDIAN
+# define CLEANMARKER "\x19\x85\x20\x03\x00\x00\x00\x0c\xf0\x60\xdc\x98"
+#else
+# define CLEANMARKER "\x85\x19\x03\x20\x0c\x00\x00\x00\xb1\xb0\x1e\xe4"
+#endif
static int last_ino = 0;
static int last_version = 0;
static char *buf = NULL;
static int ofs = 0;
-static int outfd = 0;
+static int outfd = -1;
static int mtdofs = 0;
static int target_ino = 0;
struct stat st;
char wbuf[4096];
const char *fname;
- FILE *f;
if (stat(name, &st)) {
fprintf(stderr, "File %s does not exist\n", name);
ri.usercompr = 0;
fd = open(name, 0);
- if (fd <= 0) {
+ if (fd < 0) {
fprintf(stderr, "File %s does not exist\n", name);
return;
}
close(fd);
}
-int mtd_replace_jffs2(int fd, int ofs, const char *filename)
+int mtd_replace_jffs2(const char *mtd, int fd, int ofs, const char *filename)
{
outfd = fd;
mtdofs = ofs;
add_data(JFFS2_EOF, sizeof(JFFS2_EOF) - 1);
pad(erasesize);
free(buf);
+
+ if (trx_fixup) {
+ trx_fixup(outfd, mtd);
+ }
+ return (mtdofs - ofs);
}
void mtd_parse_jffs2data(const char *buf, const char *dir)
struct jffs2_raw_dirent *de = (struct jffs2_raw_dirent *) node;
/* is this the right directory name and is it a subdirectory of / */
- if (*dir && (de->pino == 1) && !strncmp(de->name, dir, de->nsize))
+ if (*dir && (de->pino == 1) && !strncmp((char *) de->name, dir, de->nsize))
target_ino = de->ino;
/* store the last inode and version numbers for adding extra files */
int mtd_write_jffs2(const char *mtd, const char *filename, const char *dir)
{
int err = -1, fdeof = 0;
- off_t offset;
outfd = mtd_check_open(mtd);
- if (!outfd)
+ if (outfd < 0)
return -1;
if (quiet < 2)
err = 0;
+ if (trx_fixup) {
+ trx_fixup(outfd, mtd);
+ }
+
done:
close(outfd);
if (buf)