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/*
* Copyright (C) 2015 Broadcom Corporation
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation version 2.
*
* This program is distributed "as is" WITHOUT ANY WARRANTY of any
* kind, whether express or implied; without even the implied warranty
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <stdio.h>
#include <string.h>
#include "secimage.h"
/*----------------------------------------------------------------------
* Name : ReadBinaryFile
* Purpose : Read some data from file of raw binary
* Input : fname : file to be read
* buf : buffer which is the data desitnation
* maxlen : maiximum length of data to be read
* Output : none
*---------------------------------------------------------------------*/
int ReadBinaryFile(char *fname, uint8_t *buf, int maxlen)
{
FILE *fp = NULL;
int len = 0;
fp = fopen(fname, "rb");
if (fp == NULL)
return 0;
printf("fname=%s, len=%d\n", fname, maxlen);
len = fread(buf, 1, maxlen, fp);
fclose(fp);
return len;
}
/*----------------------------------------------------------------------
* Name : FileSizeGet
* Purpose : Return the size of the file
* Input : file: FILE * to the file to be processed
* Output : none
*---------------------------------------------------------------------*/
size_t FileSizeGet(FILE *file)
{
long length;
fseek(file, 0, SEEK_END);
length = ftell(file);
rewind(file);
return (size_t)length;
}
/*----------------------------------------------------------------------
* Name : DataRead
* Purpose : Read all the data from a file
* Input : filename : file to be read
* buf : buffer which is the data destination
* length : length of data to be read
* Output : none
*---------------------------------------------------------------------*/
int DataRead(char *filename, uint8_t *buf, int *length)
{
FILE *file;
int len = *length;
file = fopen(filename, "rb");
if (file == NULL) {
printf("Unable to open file: %s\n", filename);
return -1;
}
len = FileSizeGet(file);
if (len < 0) {
printf("Unable to seek in file: %s\n", filename);
fclose(file);
return -1;
}
if (len < *length)
*length = len;
else
/* Do not exceed the maximum length of the buffer */
len = *length;
if (fread((uint8_t *)buf, 1, len, file) != len) {
printf("Error reading data (%d bytes) from file: %s\n",
len, filename);
fclose(file);
return -1;
}
fclose(file);
return 0;
}
/*----------------------------------------------------------------------
* Name : DataWrite
* Purpose : Write some binary data to a file
* Input : filename : file to be written
* buf : buffer which is the data source
* length : length of data to be written
* Output : none
*---------------------------------------------------------------------*/
int DataWrite(char *filename, char *buf, int length)
{
FILE *file;
file = fopen(filename, "wb");
if (file == NULL) {
printf("Unable to open output file %s\n", filename);
return -1;
}
if (fwrite(buf, 1, length, file) < length) {
printf("Unable to write %d bytes to output file %s (0x%X).\n",
length, filename, ferror(file));
fclose(file);
return -1;
}
fflush(file);
fclose(file);
return 0;
}
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