From b5844059a5d20ae6d8e7e432786487dafd968a8b Mon Sep 17 00:00:00 2001
From: Mathias Kresin <dev@kresin.me>
Date: Sat, 5 Jan 2019 12:08:09 +0100
Subject: [PATCH] firmware-utils: mkdlinkfw: cleanup code

Drop unused function and macros. With the cleanup the gnu extension
typeof isn't used any longer and the gnu99 compile flag can be dropped.

Signed-off-by: Mathias Kresin <dev@kresin.me>
---
 Makefile            |  2 +-
 src/mkdlinkfw-lib.c | 36 ------------------------------------
 src/mkdlinkfw-lib.h |  7 ++++---
 src/mkdlinkfw.c     |  2 --
 4 files changed, 5 insertions(+), 42 deletions(-)

diff --git a/Makefile b/Makefile
index 63df631..a2f6986 100644
--- a/Makefile
+++ b/Makefile
@@ -82,7 +82,7 @@ define Host/Compile
 	$(call cc,mkbuffaloimg, -Wall)
 	$(call cc,zyimage, -Wall)
 	$(call cc,mkdhpimg buffalo-lib, -Wall)
-	$(call cc,mkdlinkfw mkdlinkfw-lib, -lz -Wall --std=gnu99)
+	$(call cc,mkdlinkfw mkdlinkfw-lib, -lz -Wall)
 	$(call cc,dns313-header, -Wall)
 	$(call cc,mksercommfw, -Wall --std=gnu99)
 endef
diff --git a/src/mkdlinkfw-lib.c b/src/mkdlinkfw-lib.c
index fcab856..a661c0b 100644
--- a/src/mkdlinkfw-lib.c
+++ b/src/mkdlinkfw-lib.c
@@ -32,8 +32,6 @@
 
 extern char *progname;
 
-static unsigned char jffs2_eof_mark[4] = { 0xde, 0xad, 0xc0, 0xde };
-
 uint32_t jboot_timestamp(void)
 {
 	time_t rawtime;
@@ -106,40 +104,6 @@ int read_to_buf(const struct file_info *fdata, char *buf)
 	return ret;
 }
 
-int pad_jffs2(char *buf, int currlen, int maxlen)
-{
-	int len;
-	uint32_t pad_mask;
-
-	len = currlen;
-	pad_mask = (4 * 1024) | (64 * 1024);	/* EOF at 4KB and at 64KB */
-	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;
diff --git a/src/mkdlinkfw-lib.h b/src/mkdlinkfw-lib.h
index d61124c..da4ecf0 100644
--- a/src/mkdlinkfw-lib.h
+++ b/src/mkdlinkfw-lib.h
@@ -33,6 +33,10 @@
 #define SCH2_MAGIC 0x2124
 #define SCH2_VER 0x02
 
+/*
+ * compression type values in the header
+ * so far onlysupport for LZMA is added
+ */
 #define FLAT 0
 #define JZ 1
 #define GZIP 2
@@ -49,8 +53,6 @@
 #define FACTORY 0
 #define SYSUPGRADE 1
 
-#define ALIGN(x, a) ({ typeof(a) __a = (a); (((x) + __a - 1) & ~(__a - 1)); })
-
 #define ERR(fmt, ...) do { \
 	fflush(0); \
 	fprintf(stderr, "[%s] *** error: " fmt "\n", \
@@ -77,7 +79,6 @@ uint32_t jboot_timestamp(void);
 uint16_t jboot_checksum(uint16_t start_val, uint16_t *data, int size);
 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);
 
 #endif				/* mkdlinkfw_lib_h */
diff --git a/src/mkdlinkfw.c b/src/mkdlinkfw.c
index 8760500..71828bd 100644
--- a/src/mkdlinkfw.c
+++ b/src/mkdlinkfw.c
@@ -101,9 +101,7 @@ char *progname;
 uint32_t firmware_size;
 uint16_t family_member;
 char *rom_id[12] = { 0 };
-
 char image_type;
-int add_jffs2_eof;
 
 static void usage(int status)
 {
-- 
2.30.2