26 int find_dtb_header_pos(const char *buf, size_t buf_size) {  in find_dtb_header_pos()  argument
27   if (buf == NULL || buf_size == 0) {  in find_dtb_header_pos()
37     uint32_t tag = fdt32_to_cpu(*(fdt32_t *)(buf + pos));  in find_dtb_header_pos()
48                        const char *buf, size_t buf_size) {  in find_and_write_dtb()  argument
49   int tag_pos = find_dtb_header_pos(buf, buf_size);  in find_and_write_dtb()
55   const char *fdt_ptr = buf + tag_pos;  in find_and_write_dtb()
98   char *buf = NULL;  in extract_dtbs()  local
101   buf = load_file(in_filename, &buf_size);  in extract_dtbs()
102   if (!buf) {  in extract_dtbs()
113       tag_pos = find_and_write_dtb(filename, buf, buf_size);  in extract_dtbs()
115       tag_pos = find_and_write_dtb(out_dtb_filename, buf, buf_size);  in extract_dtbs()
133     if (write_buf_to_file(out_image_filename, buf, buf_size) != 0) {  in extract_dtbs()
142   if (buf) dto_free(buf);  in extract_dtbs()