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3837ce65bd
This will be used in mkimage when working out the required size of the FIT based on the files to be placed into it. Signed-off-by: Simon Glass <sjg@chromium.org>
116 lines
2.3 KiB
C
116 lines
2.3 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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INIT_SECTION(image_type);
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struct image_type_params **start = __start_image_type;
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struct image_type_params **end = __stop_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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INIT_SECTION(image_type);
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struct image_type_params **start = __start_image_type;
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struct image_type_params **end = __stop_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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int imagetool_get_filesize(struct image_tool_params *params, const char *fname)
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{
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struct stat sbuf;
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int fd;
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fd = open(fname, O_RDONLY | O_BINARY);
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if (fd < 0) {
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fprintf(stderr, "%s: Can't open %s: %s\n",
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params->cmdname, fname, strerror(errno));
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return -1;
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}
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if (fstat(fd, &sbuf) < 0) {
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fprintf(stderr, "%s: Can't stat %s: %s\n",
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params->cmdname, fname, strerror(errno));
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return -1;
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}
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close(fd);
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return sbuf.st_size;
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}
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