X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/201ca503a1359e668cafbbaa24eaaf23b8ef4b9e..85dd88a3c6f86d2ecd5c2233aca50752b5ccafbc:/package/mtd/src/jffs2.c

diff --git a/package/mtd/src/jffs2.c b/package/mtd/src/jffs2.c
index 3b47d4158..aaf9be5a9 100644
--- a/package/mtd/src/jffs2.c
+++ b/package/mtd/src/jffs2.c
@@ -1,3 +1,21 @@
+/*
+ * 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>
@@ -7,19 +25,24 @@
 #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;
 
@@ -135,7 +158,6 @@ static void add_file(const char *name, int parent)
 	struct stat st;
 	char wbuf[4096];
 	const char *fname;
-	FILE *f;
 
 	if (stat(name, &st)) {
 		fprintf(stderr, "File %s does not exist\n", name);
@@ -164,7 +186,7 @@ static void add_file(const char *name, int parent)
 	ri.usercompr = 0;
 
 	fd = open(name, 0);
-	if (fd <= 0) {
+	if (fd < 0) {
 		fprintf(stderr, "File %s does not exist\n", name);
 		return;
 	}
@@ -205,7 +227,7 @@ static void add_file(const char *name, int parent)
 	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;
@@ -221,6 +243,11 @@ int mtd_replace_jffs2(int fd, int ofs, const char *filename)
 	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)
@@ -238,7 +265,7 @@ 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 */
@@ -253,10 +280,9 @@ void mtd_parse_jffs2data(const char *buf, const char *dir)
 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)
@@ -321,6 +347,10 @@ int mtd_write_jffs2(const char *mtd, const char *filename, const char *dir)
 
 	err = 0;
 
+	if (trx_fixup) {
+	  trx_fixup(outfd, mtd);
+	}
+
 done:
 	close(outfd);
 	if (buf)