tools/firmware-utils: mktplinkfw regroup duplicate code

This patch carves out the duplicated code of mktplinfw.c and
mktplinkfw2.c and moves it to mktplinkfw-lib.c

This change is a semantic NOP (the code is unchanged).

To ensure compatibility with gcc-5.x and newer without changing
the code, -fgnu89-inline is added to the build flags for these
two binaries.

Signed-off-by: Thibaut VARÈNE <hacks@slashdirt.org>

5 files changed, 276 insertions, 454 deletions

diff --git a/tools/firmware-utils/Makefile b/tools/firmware-utils/Makefile
index 4f1f8d70f5..b7addbbb93 100644
--- a/tools/firmware-utils/Makefile
+++ b/tools/firmware-utils/Makefile
@@ -39,8 +39,8 @@ define Host/Compile
 	$(call cc,encode_crc)
 	$(call cc,nand_ecc)
 	$(call cc,mkplanexfw sha1)
-	$(call cc,mktplinkfw md5, -Wall)
-	$(call cc,mktplinkfw2 md5)
+	$(call cc,mktplinkfw mktplinkfw-lib md5, -Wall -fgnu89-inline)
+	$(call cc,mktplinkfw2 mktplinkfw-lib md5, -fgnu89-inline)
 	$(call cc,tplink-safeloader md5, -Wall)
 	$(call cc,pc1crypt)
 	$(call cc,osbridge-crc)
diff --git a/tools/firmware-utils/src/mktplinkfw-lib.c b/tools/firmware-utils/src/mktplinkfw-lib.c
new file mode 100644
index 0000000000..838b1792ff
--- /dev/null
+++ b/tools/firmware-utils/src/mktplinkfw-lib.c
@@ -0,0 +1,195 @@
+/*
+ * Copyright (C) 2009 Gabor Juhos <juhosg@openwrt.org>
+ *
+ * This tool was based on:
+ *   TP-Link WR941 V2 firmware checksum fixing tool.
+ *   Copyright (C) 2008,2009 Wang Jian <lark@linux.net.cn>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation.
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <string.h>
+#include <unistd.h>     /* for unlink() */
+#include <libgen.h>
+#include <getopt.h>     /* for getopt() */
+#include <stdarg.h>
+#include <stdbool.h>
+#include <endian.h>
+#include <errno.h>
+#include <sys/stat.h>
+
+#include <arpa/inet.h>
+#include <netinet/in.h>
+
+#include "mktplinkfw-lib.h"
+#include "md5.h"
+
+extern char *progname;
+static unsigned char jffs2_eof_mark[4] = {0xde, 0xad, 0xc0, 0xde};
+
+struct flash_layout *find_layout(struct flash_layout *layouts, const char *id)
+{
+	struct flash_layout *ret;
+	struct flash_layout *l;
+
+	ret = NULL;
+	for (l = layouts; l->id != NULL; l++){
+		if (strcasecmp(id, l->id) == 0) {
+			ret = l;
+			break;
+		}
+	};
+
+	return ret;
+}
+
+void get_md5(const char *data, int size, uint8_t *md5)
+{
+	MD5_CTX ctx;
+
+	MD5_Init(&ctx);
+	MD5_Update(&ctx, data, size);
+	MD5_Final(md5, &ctx);
+}
+
+int get_file_stat(struct file_info *fdata)
+{
+	struct stat st;
+	int res;
+
+	if (fdata->file_name == NULL)
+		return 0;
+
+	res = stat(fdata->file_name, &st);
+	if (res){
+		ERRS("stat failed on %s", fdata->file_name);
+		return res;
+	}
+
+	fdata->file_size = st.st_size;
+	return 0;
+}
+
+int read_to_buf(const struct file_info *fdata, char *buf)
+{
+	FILE *f;
+	int ret = EXIT_FAILURE;
+
+	f = fopen(fdata->file_name, "r");
+	if (f == NULL) {
+		ERRS("could not open \"%s\" for reading", fdata->file_name);
+		goto out;
+	}
+
+	errno = 0;
+	fread(buf, fdata->file_size, 1, f);
+	if (errno != 0) {
+		ERRS("unable to read from file \"%s\"", fdata->file_name);
+		goto out_close;
+	}
+
+	ret = EXIT_SUCCESS;
+
+out_close:
+	fclose(f);
+out:
+	return ret;
+}
+
+int pad_jffs2(char *buf, int currlen, int maxlen)
+{
+	int len;
+	uint32_t pad_mask;
+
+	len = currlen;
+	pad_mask = (64 * 1024);
+	while ((len < maxlen) && (pad_mask != 0)) {
+		uint32_t mask;
+		int i;
+
+		for (i = 10; i < 32; i++) {
+			mask = 1 << i;
+			if (pad_mask & mask)
+				break;
+		}
+
+		len = ALIGN(len, mask);
+
+		for (i = 10; i < 32; i++) {
+			mask = 1 << i;
+			if ((len & (mask - 1)) == 0)
+				pad_mask &= ~mask;
+		}
+
+		for (i = 0; i < sizeof(jffs2_eof_mark); i++)
+			buf[len + i] = jffs2_eof_mark[i];
+
+		len += sizeof(jffs2_eof_mark);
+	}
+
+	return len;
+}
+
+int write_fw(const char *ofname, const char *data, int len)
+{
+	FILE *f;
+	int ret = EXIT_FAILURE;
+
+	f = fopen(ofname, "w");
+	if (f == NULL) {
+		ERRS("could not open \"%s\" for writing", ofname);
+		goto out;
+	}
+
+	errno = 0;
+	fwrite(data, len, 1, f);
+	if (errno) {
+		ERRS("unable to write output file");
+		goto out_flush;
+	}
+
+	DBG("firmware file \"%s\" completed", ofname);
+
+	ret = EXIT_SUCCESS;
+
+out_flush:
+	fflush(f);
+	fclose(f);
+	if (ret != EXIT_SUCCESS) {
+		unlink(ofname);
+	}
+out:
+	return ret;
+}
+
+/* Helper functions to inspect_fw() representing different output formats */
+inline void inspect_fw_pstr(const char *label, const char *str)
+{
+	printf("%-23s: %s\n", label, str);
+}
+
+inline void inspect_fw_phex(const char *label, uint32_t val)
+{
+	printf("%-23s: 0x%08x\n", label, val);
+}
+
+inline void inspect_fw_phexdec(const char *label, uint32_t val)
+{
+	printf("%-23s: 0x%08x / %8u bytes\n", label, val, val);
+}
+
+inline void inspect_fw_pmd5sum(const char *label, const uint8_t *val, const char *text)
+{
+	int i;
+
+	printf("%-23s:", label);
+	for (i=0; i<MD5SUM_LEN; i++)
+		printf(" %02x", val[i]);
+	printf(" %s\n", text);
+}
diff --git a/tools/firmware-utils/src/mktplinkfw-lib.h b/tools/firmware-utils/src/mktplinkfw-lib.h
new file mode 100644
index 0000000000..38fe065c1a
--- /dev/null
+++ b/tools/firmware-utils/src/mktplinkfw-lib.h
@@ -0,0 +1,68 @@
+/*
+ * Copyright (C) 2009 Gabor Juhos <juhosg@openwrt.org>
+ *
+ * This tool was based on:
+ *   TP-Link WR941 V2 firmware checksum fixing tool.
+ *   Copyright (C) 2008,2009 Wang Jian <lark@linux.net.cn>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation.
+ *
+ */
+
+
+#ifndef mktplinkfw_lib_h
+#define mktplinkfw_lib_h
+
+#define ALIGN(x,a) ({ typeof(a) __a = (a); (((x) + __a - 1) & ~(__a - 1)); })
+#define ARRAY_SIZE(a) (sizeof((a)) / sizeof((a)[0]))
+
+#define MD5SUM_LEN	16
+
+/*
+ * Message macros
+ */
+#define ERR(fmt, ...) do { \
+	fflush(0); \
+	fprintf(stderr, "[%s] *** error: " fmt "\n", \
+			progname, ## __VA_ARGS__ ); \
+} while (0)
+
+#define ERRS(fmt, ...) do { \
+	int save = errno; \
+	fflush(0); \
+	fprintf(stderr, "[%s] *** error: " fmt ": %s\n", \
+			progname, ## __VA_ARGS__, strerror(save)); \
+} while (0)
+
+#define DBG(fmt, ...) do { \
+	fprintf(stderr, "[%s] " fmt "\n", progname, ## __VA_ARGS__ ); \
+} while (0)
+
+
+struct file_info {
+	char		*file_name;	/* name of the file */
+	uint32_t	file_size;	/* length of the file */
+};
+
+struct flash_layout {
+	char		*id;
+	uint32_t	fw_max_len;
+	uint32_t	kernel_la;
+	uint32_t	kernel_ep;
+	uint32_t	rootfs_ofs;
+};
+
+struct flash_layout *find_layout(struct flash_layout *layouts, const char *id);
+void get_md5(const char *data, int size, uint8_t *md5);
+int get_file_stat(struct file_info *fdata);
+int read_to_buf(const struct file_info *fdata, char *buf);
+int pad_jffs2(char *buf, int currlen, int maxlen);
+int write_fw(const char *ofname, const char *data, int len);
+inline void inspect_fw_pstr(const char *label, const char *str);
+inline void inspect_fw_phex(const char *label, uint32_t val);
+inline void inspect_fw_phexdec(const char *label, uint32_t val);
+inline void inspect_fw_pmd5sum(const char *label, const uint8_t *val, const char *text);
+
+#endif /* mktplinkfw_lib_h */
diff --git a/tools/firmware-utils/src/mktplinkfw.c b/tools/firmware-utils/src/mktplinkfw.c
index c537862050..7dbb290413 100644
--- a/tools/firmware-utils/src/mktplinkfw.c
+++ b/tools/firmware-utils/src/mktplinkfw.c
@@ -28,20 +28,11 @@
 #include <netinet/in.h>
 
 #include "md5.h"
-
-#define ALIGN(x,a) ({ typeof(a) __a = (a); (((x) + __a - 1) & ~(__a - 1)); })
-#define ARRAY_SIZE(a) (sizeof((a)) / sizeof((a)[0]))
+#include "mktplinkfw-lib.h"
 
 #define HEADER_VERSION_V1	0x01000000
 #define HEADER_VERSION_V2	0x02000000
 
-#define MD5SUM_LEN	16
-
-struct file_info {
-	char		*file_name;	/* name of the file */
-	uint32_t	file_size;	/* length of the file */
-};
-
 struct fw_header {
 	uint32_t	version;	/* header version */
 	char		vendor_name[24];
@@ -71,14 +62,6 @@ struct fw_header {
 	uint8_t		pad2[160];
 } __attribute__ ((packed));
 
-struct flash_layout {
-	char		*id;
-	uint32_t	fw_max_len;
-	uint32_t	kernel_la;
-	uint32_t	kernel_ep;
-	uint32_t	rootfs_ofs;
-};
-
 struct fw_region {
 	char		name[4];
 	uint32_t	code;
@@ -89,7 +72,7 @@ struct fw_region {
  * Globals
  */
 static char *ofname;
-static char *progname;
+char *progname;
 static char *vendor = "TP-LINK Technologies";
 static char *version = "ver. 1.0";
 static char *fw_ver = "0.0.0";
@@ -118,7 +101,6 @@ static struct file_info boot_info;
 static int combined;
 static int strip_padding;
 static int add_jffs2_eof;
-static unsigned char jffs2_eof_mark[4] = {0xde, 0xad, 0xc0, 0xde};
 static uint32_t fw_max_len;
 static uint32_t reserved_space;
 
@@ -190,42 +172,6 @@ static const struct fw_region regions[] = {
 	{"EU", 0},
 };
 
-/*
- * Message macros
- */
-#define ERR(fmt, ...) do { \
-	fflush(0); \
-	fprintf(stderr, "[%s] *** error: " fmt "\n", \
-			progname, ## __VA_ARGS__ ); \
-} while (0)
-
-#define ERRS(fmt, ...) do { \
-	int save = errno; \
-	fflush(0); \
-	fprintf(stderr, "[%s] *** error: " fmt ": %s\n", \
-			progname, ## __VA_ARGS__, strerror(save)); \
-} while (0)
-
-#define DBG(fmt, ...) do { \
-	fprintf(stderr, "[%s] " fmt "\n", progname, ## __VA_ARGS__ ); \
-} while (0)
-
-static struct flash_layout *find_layout(const char *id)
-{
-	struct flash_layout *ret;
-	struct flash_layout *l;
-
-	ret = NULL;
-	for (l = layouts; l->id != NULL; l++){
-		if (strcasecmp(id, l->id) == 0) {
-			ret = l;
-			break;
-		}
-	};
-
-	return ret;
-}
-
 static const struct fw_region * find_region(const char *country) {
 	size_t i;
 
@@ -271,59 +217,6 @@ static void usage(int status)
 	exit(status);
 }
 
-static void get_md5(const char *data, int size, uint8_t *md5)
-{
-	MD5_CTX ctx;
-
-	MD5_Init(&ctx);
-	MD5_Update(&ctx, data, size);
-	MD5_Final(md5, &ctx);
-}
-
-static int get_file_stat(struct file_info *fdata)
-{
-	struct stat st;
-	int res;
-
-	if (fdata->file_name == NULL)
-		return 0;
-
-	res = stat(fdata->file_name, &st);
-	if (res){
-		ERRS("stat failed on %s", fdata->file_name);
-		return res;
-	}
-
-	fdata->file_size = st.st_size;
-	return 0;
-}
-
-static int read_to_buf(const struct file_info *fdata, char *buf)
-{
-	FILE *f;
-	int ret = EXIT_FAILURE;
-
-	f = fopen(fdata->file_name, "r");
-	if (f == NULL) {
-		ERRS("could not open \"%s\" for reading", fdata->file_name);
-		goto out;
-	}
-
-	errno = 0;
-	fread(buf, fdata->file_size, 1, f);
-	if (errno != 0) {
-		ERRS("unable to read from file \"%s\"", fdata->file_name);
-		goto out_close;
-	}
-
-	ret = EXIT_SUCCESS;
-
- out_close:
-	fclose(f);
- out:
-	return ret;
-}
-
 static int check_options(void)
 {
 	int ret;
@@ -370,7 +263,7 @@ static int check_options(void)
 			return -1;
 		}
 	} else {
-		layout = find_layout(layout_id);
+		layout = find_layout(layouts, layout_id);
 		if (layout == NULL) {
 			ERR("unknown flash layout \"%s\"", layout_id);
 			return -1;
@@ -515,72 +408,6 @@ static void fill_header(char *buf, int len)
 		get_md5(buf, len, hdr->md5sum1);
 }
 
-static int pad_jffs2(char *buf, int currlen)
-{
-	int len;
-	uint32_t pad_mask;
-
-	len = currlen;
-	pad_mask = (64 * 1024);
-	while ((len < layout->fw_max_len) && (pad_mask != 0)) {
-		uint32_t mask;
-		int i;
-
-		for (i = 10; i < 32; i++) {
-			mask = 1 << i;
-			if (pad_mask & mask)
-				break;
-		}
-
-		len = ALIGN(len, mask);
-
-		for (i = 10; i < 32; i++) {
-			mask = 1 << i;
-			if ((len & (mask - 1)) == 0)
-				pad_mask &= ~mask;
-		}
-
-		for (i = 0; i < sizeof(jffs2_eof_mark); i++)
-			buf[len + i] = jffs2_eof_mark[i];
-
-		len += sizeof(jffs2_eof_mark);
-	}
-
-	return len;
-}
-
-static int write_fw(const char *data, int len)
-{
-	FILE *f;
-	int ret = EXIT_FAILURE;
-
-	f = fopen(ofname, "w");
-	if (f == NULL) {
-		ERRS("could not open \"%s\" for writing", ofname);
-		goto out;
-	}
-
-	errno = 0;
-	fwrite(data, len, 1, f);
-	if (errno) {
-		ERRS("unable to write output file");
-		goto out_flush;
-	}
-
-	DBG("firmware file \"%s\" completed", ofname);
-
-	ret = EXIT_SUCCESS;
-
- out_flush:
-	fflush(f);
-	fclose(f);
-	if (ret != EXIT_SUCCESS) {
-		unlink(ofname);
-	}
- out:
-	return ret;
-}
-
 static int build_fw(void)
 {
 	int buflen;
@@ -625,14 +452,14 @@ static int build_fw(void)
 			writelen = rootfs_ofs + rootfs_info.file_size;
 
 		if (add_jffs2_eof)
-			writelen = pad_jffs2(buf, writelen);
+			writelen = pad_jffs2(buf, writelen, layout->fw_max_len);
 	}
 
 	if (!strip_padding)
 		writelen = buflen;
 
 	fill_header(buf, writelen);
-	ret = write_fw(buf, writelen);
+	ret = write_fw(ofname, buf, writelen);
 	if (ret)
 		goto out_free_buf;
 
@@ -644,32 +471,6 @@ static int build_fw(void)
 	return ret;
 }
 
-/* Helper functions to inspect_fw() representing different output formats */
-static inline void inspect_fw_pstr(const char *label, const char *str)
-{
-	printf("%-23s: %s\n", label, str);
-}
-
-static inline void inspect_fw_phex(const char *label, uint32_t val)
-{
-	printf("%-23s: 0x%08x\n", label, val);
-}
-
-static inline void inspect_fw_phexdec(const char *label, uint32_t val)
-{
-	printf("%-23s: 0x%08x / %8u bytes\n", label, val, val);
-}
-
-static inline void inspect_fw_pmd5sum(const char *label, const uint8_t *val, const char *text)
-{
-	int i;
-
-	printf("%-23s:", label);
-	for (i=0; i<MD5SUM_LEN; i++)
-		printf(" %02x", val[i]);
-	printf(" %s\n", text);
-}
-
 static int inspect_fw(void)
 {
 	char *buf;
diff --git a/tools/firmware-utils/src/mktplinkfw2.c b/tools/firmware-utils/src/mktplinkfw2.c
index f1d46bddb9..63dbe8aa24 100644
--- a/tools/firmware-utils/src/mktplinkfw2.c
+++ b/tools/firmware-utils/src/mktplinkfw2.c
@@ -28,15 +28,7 @@
 #include <netinet/in.h>
 
 #include "md5.h"
-
-#define ALIGN(x,a) ({ typeof(a) __a = (a); (((x) + __a - 1) & ~(__a - 1)); })
-
-#define MD5SUM_LEN	16
-
-struct file_info {
-	char		*file_name;	/* name of the file */
-	uint32_t	file_size;	/* length of the file */
-};
+#include "mktplinkfw-lib.h"
 
 struct fw_header {
 	uint32_t	version;			/* 0x00: header version */
@@ -68,14 +60,6 @@ struct fw_header {
 	uint8_t		pad[364];
 } __attribute__ ((packed));
 
-struct flash_layout {
-	char		*id;
-	uint32_t	fw_max_len;
-	uint32_t	kernel_la;
-	uint32_t	kernel_ep;
-	uint32_t	rootfs_ofs;
-};
-
 #define FLAG_LE_KERNEL_LA_EP			0x00000001	/* Little-endian used for kernel load address & entry point */
 
 struct board_info {
@@ -92,7 +76,7 @@ struct board_info {
  * Globals
  */
 static char *ofname;
-static char *progname;
+char *progname;
 static char *vendor = "TP-LINK Technologies";
 static char *version = "ver. 1.0";
 static char *fw_ver = "0.0.0";
@@ -123,7 +107,6 @@ static struct file_info boot_info;
 static int combined;
 static int strip_padding;
 static int add_jffs2_eof;
-static unsigned char jffs2_eof_mark[4] = {0xde, 0xad, 0xc0, 0xde};
 
 static struct file_info inspect_info;
 static int extract = 0;
@@ -168,42 +151,6 @@ static struct flash_layout layouts[] = {
 	}
 };
 
-/*
- * Message macros
- */
-#define ERR(fmt, ...) do { \
-	fflush(0); \
-	fprintf(stderr, "[%s] *** error: " fmt "\n", \
-			progname, ## __VA_ARGS__ ); \
-} while (0)
-
-#define ERRS(fmt, ...) do { \
-	int save = errno; \
-	fflush(0); \
-	fprintf(stderr, "[%s] *** error: " fmt ": %s\n", \
-			progname, ## __VA_ARGS__, strerror(save)); \
-} while (0)
-
-#define DBG(fmt, ...) do { \
-	fprintf(stderr, "[%s] " fmt "\n", progname, ## __VA_ARGS__ ); \
-} while (0)
-
-static struct flash_layout *find_layout(char *id)
-{
-	struct flash_layout *ret;
-	struct flash_layout *l;
-
-	ret = NULL;
-	for (l = layouts; l->id != NULL; l++){
-		if (strcasecmp(id, l->id) == 0) {
-			ret = l;
-			break;
-		}
-	};
-
-	return ret;
-}
-
 static void usage(int status)
 {
 	FILE *stream = (status != EXIT_SUCCESS) ? stderr : stdout;
@@ -241,59 +188,6 @@ static void usage(int status)
 	exit(status);
 }
 
-static int get_md5(char *data, int size, char *md5)
-{
-	MD5_CTX ctx;
-
-	MD5_Init(&ctx);
-	MD5_Update(&ctx, data, size);
-	MD5_Final(md5, &ctx);
-}
-
-static int get_file_stat(struct file_info *fdata)
-{
-	struct stat st;
-	int res;
-
-	if (fdata->file_name == NULL)
-		return 0;
-
-	res = stat(fdata->file_name, &st);
-	if (res){
-		ERRS("stat failed on %s", fdata->file_name);
-		return res;
-	}
-
-	fdata->file_size = st.st_size;
-	return 0;
-}
-
-static int read_to_buf(struct file_info *fdata, char *buf)
-{
-	FILE *f;
-	int ret = EXIT_FAILURE;
-
-	f = fopen(fdata->file_name, "r");
-	if (f == NULL) {
-		ERRS("could not open \"%s\" for reading", fdata->file_name);
-		goto out;
-	}
-
-	errno = 0;
-	fread(buf, fdata->file_size, 1, f);
-	if (errno != 0) {
-		ERRS("unable to read from file \"%s\"", fdata->file_name);
-		goto out_close;
-	}
-
-	ret = EXIT_SUCCESS;
-
- out_close:
-	fclose(f);
- out:
-	return ret;
-}
-
 static int check_options(void)
 {
 	int ret;
@@ -331,7 +225,7 @@ static int check_options(void)
 	if (opt_hw_ver_add)
 		board->hw_ver_add = strtoul(opt_hw_ver_add, NULL, 0);
 
-	layout = find_layout(layout_id);
+	layout = find_layout(layouts, layout_id);
 	if (layout == NULL) {
 		ERR("unknown flash layout \"%s\"", layout_id);
 		return -1;
@@ -480,72 +374,6 @@ static void fill_header(char *buf, int len)
 	get_md5(buf, len, hdr->md5sum1);
 }
 
-static int pad_jffs2(char *buf, int currlen)
-{
-	int len;
-	uint32_t pad_mask;
-
-	len = currlen;
-	pad_mask = (64 * 1024);
-	while ((len < layout->fw_max_len) && (pad_mask != 0)) {
-		uint32_t mask;
-		int i;
-
-		for (i = 10; i < 32; i++) {
-			mask = 1 << i;
-			if (pad_mask & mask)
-				break;
-		}
-
-		len = ALIGN(len, mask);
-
-		for (i = 10; i < 32; i++) {
-			mask = 1 << i;
-			if ((len & (mask - 1)) == 0)
-				pad_mask &= ~mask;
-		}
-
-		for (i = 0; i < sizeof(jffs2_eof_mark); i++)
-			buf[len + i] = jffs2_eof_mark[i];
-
-		len += sizeof(jffs2_eof_mark);
-	}
-
-	return len;
-}
-
-static int write_fw(char *data, int len)
-{
-	FILE *f;
-	int ret = EXIT_FAILURE;
-
-	f = fopen(ofname, "w");
-	if (f == NULL) {
-		ERRS("could not open \"%s\" for writing", ofname);
-		goto out;
-	}
-
-	errno = 0;
-	fwrite(data, len, 1, f);
-	if (errno) {
-		ERRS("unable to write output file");
-		goto out_flush;
-	}
-
-	DBG("firmware file \"%s\" completed", ofname);
-
-	ret = EXIT_SUCCESS;
-
- out_flush:
-	fflush(f);
-	fclose(f);
-	if (ret != EXIT_SUCCESS) {
-		unlink(ofname);
-	}
- out:
-	return ret;
-}
-
 static int build_fw(void)
 {
 	int buflen;
@@ -586,14 +414,14 @@ static int build_fw(void)
 			writelen = rootfs_ofs + rootfs_info.file_size;
 
 		if (add_jffs2_eof)
-			writelen = pad_jffs2(buf, writelen);
+			writelen = pad_jffs2(buf, writelen, layout->fw_max_len);
 	}
 
 	if (!strip_padding)
 		writelen = buflen;
 
 	fill_header(buf, writelen);
-	ret = write_fw(buf, writelen);
+	ret = write_fw(ofname, buf, writelen);
 	if (ret)
 		goto out_free_buf;
 
@@ -605,71 +433,6 @@ static int build_fw(void)
 	return ret;
 }
 
-/* Helper functions to inspect_fw() representing different output formats */
-static inline void inspect_fw_pstr(char *label, char *str)
-{
-	printf("%-23s: %s\n", label, str);
-}
-
-static inline void inspect_fw_phex(char *label, uint32_t val)
-{
-	printf("%-23s: 0x%08x\n", label, val);
-}
-
-static inline void inspect_fw_phexpost(char *label,
-                                       uint32_t val, char *post)
-{
-	printf("%-23s: 0x%08x (%s)\n", label, val, post);
-}
-
-static inline void inspect_fw_phexdef(char *label,
-                                      uint32_t val, uint32_t defval)
-{
-	printf("%-23s: 0x%08x                  ", label, val);
-
-	if (val == defval)
-		printf("(== OpenWrt default)\n");
-	else
-		printf("(OpenWrt default: 0x%08x)\n", defval);
-}
-
-static inline void inspect_fw_phexexp(char *label,
-                                      uint32_t val, uint32_t expval)
-{
-	printf("%-23s: 0x%08x ", label, val);
-
-	if (val == expval)
-		printf("(ok)\n");
-	else
-		printf("(expected: 0x%08x)\n", expval);
-}
-
-static inline void inspect_fw_phexdec(char *label, uint32_t val)
-{
-	printf("%-23s: 0x%08x / %8u bytes\n", label, val, val);
-}
-
-static inline void inspect_fw_phexdecdef(char *label,
-                                         uint32_t val, uint32_t defval)
-{
-	printf("%-23s: 0x%08x / %8u bytes ", label, val, val);
-
-	if (val == defval)
-		printf("(== OpenWrt default)\n");
-	else
-		printf("(OpenWrt default: 0x%08x)\n", defval);
-}
-
-static inline void inspect_fw_pmd5sum(char *label, uint8_t *val, char *text)
-{
-	int i;
-
-	printf("%-23s:", label);
-	for (i=0; i<MD5SUM_LEN; i++)
-		printf(" %02x", val[i]);
-	printf(" %s\n", text);
-}
-
 static int inspect_fw(void)
 {
 	char *buf;
@@ -740,9 +503,7 @@ static int inspect_fw(void)
 	printf("\n");
 
 	inspect_fw_pstr("Firmware version", hdr->fw_version);
-
-	inspect_fw_phexpost("Hardware ID",
-			    ntohl(hdr->hw_id), "unknown");
+	inspect_fw_phex("Hardware ID", ntohl(hdr->hw_id));
 	inspect_fw_phex("Hardware Revision",
 			ntohl(hdr->hw_rev));
 	inspect_fw_phex("Additional HW Version",
@@ -819,9 +580,6 @@ static int inspect_fw(void)
 int main(int argc, char *argv[])
 {
 	int ret = EXIT_FAILURE;
-	int err;
-
-	FILE *outfile;
 
 	progname = basename(argv[0]);