1 files changed, 47 insertions, 0 deletions
diff --git a/packages/openslug-init/openslug-init-0.10/kern_header.c b/packages/openslug-init/openslug-init-0.10/kern_header.c
index e69de29bb2..73b46eec0c 100644
--- a/packages/openslug-init/openslug-init-0.10/kern_header.c
+++ b/packages/openslug-init/openslug-init-0.10/kern_header.c
@@ -0,0 +1,47 @@
+
+#include <stdio.h>
+#include <errno.h> 
+#include <sys/types.h>
+#include <sys/stat.h>
+
+
+int main(int argc, char **argv)
+{
+	struct stat sbuf;
+	char *devtype;
+	FILE *headerfile;
+	unsigned int header[4];
+
+
+	if (argc != 3) {
+		fprintf(stderr, "usage: %s NSLU2_kernel_file_name prepend_header_filename\nThis program builds a 16 byte header which can be prepended to a NSLU2 Kernel for reflashing\n", argv[0]);
+		exit (1);
+	}
+
+	if (stat(argv[1], &sbuf) < 0) {
+		fprintf(stderr, "%s: stat: %s\n", argv[1], strerror(errno));
+		exit (1);
+	}
+
+	/* printf ("File %s is %d bytes long\n", argv[1], sbuf.st_size); */
+	if ((headerfile=fopen(argv[2],"wb"))==NULL)
+	{
+                fprintf(stderr,"Error opening file\n");
+		exit (1);
+	}
+
+	if ((sbuf.st_size + 16) > 0x100000) {
+		fprintf(stderr,"Error Kernel + Header is > 1 MB\n");
+		exit (1);
+	}
+
+	header[0] = (unsigned int)sbuf.st_size + 16;
+	header[1] = 0; 
+	header[2] = 0;
+	header[3] = 0;
+        if (!fwrite(&header, sizeof(unsigned int), 4, headerfile)) 
+		fprintf(stderr,"Error write to headerfile: %s\n", strerror(errno));
+
+	fclose(headerfile);
+}
+