95 lines
1.9 KiB
C
95 lines
1.9 KiB
C
/*
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* (C) Copyright 2013
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*
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* Written by Guilherme Maciel Ferreira <guilherme.maciel.ferreira@gmail.com>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include "imagetool.h"
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#include <image.h>
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struct image_type_params *imagetool_get_type(int type)
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{
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struct image_type_params *curr;
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struct image_type_params *start = ll_entry_start(
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struct image_type_params, image_type);
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struct image_type_params *end = ll_entry_end(
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struct image_type_params, image_type);
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for (curr = start; curr != end; curr++) {
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if (curr->check_image_type) {
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if (!curr->check_image_type(type))
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return curr;
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}
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}
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return NULL;
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}
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int imagetool_verify_print_header(
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void *ptr,
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struct stat *sbuf,
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struct image_type_params *tparams,
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struct image_tool_params *params)
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{
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int retval = -1;
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struct image_type_params *curr;
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struct image_type_params *start = ll_entry_start(
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struct image_type_params, image_type);
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struct image_type_params *end = ll_entry_end(
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struct image_type_params, image_type);
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for (curr = start; curr != end; curr++) {
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if (curr->verify_header) {
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retval = curr->verify_header((unsigned char *)ptr,
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sbuf->st_size, params);
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if (retval == 0) {
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/*
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* Print the image information if verify is
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* successful
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*/
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if (curr->print_header) {
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curr->print_header(ptr);
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} else {
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fprintf(stderr,
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"%s: print_header undefined for %s\n",
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params->cmdname, curr->name);
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}
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break;
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}
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}
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}
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return retval;
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}
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int imagetool_save_subimage(
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const char *file_name,
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ulong file_data,
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ulong file_len)
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{
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int dfd;
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dfd = open(file_name, O_RDWR | O_CREAT | O_TRUNC | O_BINARY,
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S_IRUSR | S_IWUSR);
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if (dfd < 0) {
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fprintf(stderr, "Can't open \"%s\": %s\n",
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file_name, strerror(errno));
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return -1;
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}
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if (write(dfd, (void *)file_data, file_len) != (ssize_t)file_len) {
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fprintf(stderr, "Write error on \"%s\": %s\n",
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file_name, strerror(errno));
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close(dfd);
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return -1;
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}
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close(dfd);
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return 0;
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}
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