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