compute-runtime/shared/source/helpers/file_io_load.cpp

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/*
* Copyright (C) 2022 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "shared/source/helpers/debug_helpers.h"
#include "shared/source/helpers/stdio.h"
#include "file_io.h"
#include <cstring>
#include <new>
std::unique_ptr<char[]> loadDataFromFile(
const char *filename,
size_t &retSize) {
FILE *fp = nullptr;
size_t nsize = 0;
std::unique_ptr<char[]> ret;
DEBUG_BREAK_IF(nullptr == filename);
// Open the file
fopen_s(&fp, filename, "rb");
if (fp) {
// Allocate a buffer for the file contents
fseek(fp, 0, SEEK_END);
nsize = static_cast<size_t>(ftell(fp));
fseek(fp, 0, SEEK_SET);
ret.reset(new (std::nothrow) char[nsize + 1]);
if (ret) {
// we initialize to all zeroes before reading in data
memset(ret.get(), 0x00, nsize + 1);
[[maybe_unused]] auto read = fread(ret.get(), sizeof(unsigned char), nsize, fp);
DEBUG_BREAK_IF(read != nsize);
} else {
nsize = 0;
}
fclose(fp);
}
retSize = nsize;
return ret;
}