From 505ad2546a31319c972b497adc54d6506750833e Mon Sep 17 00:00:00 2001
From: Michael Gernoth <michael@gernoth.net>
Date: Sun, 1 Feb 2009 23:32:33 +0100
Subject: [PATCH] add stub for adding/replacing files in the firmware image

---
 filesystem.c |  6 ++++++
 filesystem.h |  1 +
 firmware.c   | 22 +++++++++++++---------
 3 files changed, 20 insertions(+), 9 deletions(-)

diff --git a/filesystem.c b/filesystem.c
index 2d71946..d05361d 100644
--- a/filesystem.c
+++ b/filesystem.c
@@ -131,6 +131,12 @@ void extract_files(unsigned char *fw, int len)
 	}
 }
 
+void replace_add_file(unsigned char *fw, int len, char *fwname, char *lname)
+{
+	fprintf(stderr, "%s: Implement me!\n", __func__);
+	exit(1);
+}
+
 void mkdir_p(char *dir)
 {
 	char *copy, *parent;
diff --git a/filesystem.h b/filesystem.h
index ee35618..cd72929 100644
--- a/filesystem.h
+++ b/filesystem.h
@@ -7,4 +7,5 @@ struct file_entry {
 
 struct file_entry* get_next_file(unsigned char *fw, int len);
 void extract_files(unsigned char *fw, int len);
+void replace_add_file(unsigned char *fw, int len, char *fwname, char *lname);
 void write_file(char *fname, unsigned char *buf, int len);
diff --git a/firmware.c b/firmware.c
index 9f599f3..16b8618 100644
--- a/firmware.c
+++ b/firmware.c
@@ -259,14 +259,15 @@ void syntax(char *name)
 {
 	fprintf(stderr,"Syntax: %s parameters firmware.bin\n", name);
 	fprintf(stderr,"parameters as follows:\n");
-	fprintf(stderr,"\t-d\t\tdisplay all properties of the image\n");
-	fprintf(stderr,"\t-u\t\tupdate checksum of the image\n");
-	fprintf(stderr,"\t-b\t\tmodify BOARD_DESCRIPTION for more power-switch options\n");
-	fprintf(stderr,"\t-e\t\textract files in firmware\n");
-	fprintf(stderr,"\t-t property\tset 'property' to true\n");
-	fprintf(stderr,"\t-f property\tset 'property' to false\n");
-	fprintf(stderr,"\t-w property\tallow read-write access to 'property'\n");
-	fprintf(stderr,"\t-r property\tallow read-only access to 'property'\n");
+	fprintf(stderr,"\t-d\t\t\tdisplay all properties of the image\n");
+	fprintf(stderr,"\t-u\t\t\tupdate checksum of the image\n");
+	fprintf(stderr,"\t-b\t\t\tmodify BOARD_DESCRIPTION for more power-switch options\n");
+	fprintf(stderr,"\t-e\t\t\textract files in firmware\n");
+	fprintf(stderr,"\t-t property\t\tset 'property' to true\n");
+	fprintf(stderr,"\t-f property\t\tset 'property' to false\n");
+	fprintf(stderr,"\t-w property\t\tallow read-write access to 'property'\n");
+	fprintf(stderr,"\t-r property\t\tallow read-only access to 'property'\n");
+	fprintf(stderr,"\t-x fw_file=local_file\treplace or add fw_file with content of local_file\n");
 	exit(1);
 }
 
@@ -378,7 +379,7 @@ int main(int argc, char **argv)
 	if (argc < 2)
 		syntax(argv[0]);
 
-	while ((opt = getopt(argc, argv, "dubet:f:w:r:")) != -1) {
+	while ((opt = getopt(argc, argv, "dubet:f:w:r:x:")) != -1) {
 		switch(opt) {
 			case 'd':
 				showall = 1;
@@ -399,6 +400,9 @@ int main(int argc, char **argv)
 				patch_fw = 1;
 				add_action(opt, optarg, &paction);
 				break;
+			case 'x':
+				replace_add_file(NULL, 0, NULL, NULL);
+				break;
 			default:
 				syntax(argv[0]);
 		}
-- 
2.39.2