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#include "../include/odhtdb/FileUtils.hpp"
#include "../include/odhtdb/env.hpp"
using namespace std;
namespace odhtdb
{
OwnedMemory fileGetContent(const boost::filesystem::path &filepath)
{
#if OS_FAMILY == OS_FAMILY_POSIX
FILE *file = fopen(filepath.string().c_str(), "rb");
#else
FILE *file = _wfopen(filepath.wstring().c_str(), L"rb");
#endif
if(!file)
{
int error = errno;
string errMsg = "Failed to open file: ";
errMsg += filepath.string();
errMsg += "; reason: ";
errMsg += strerror(error);
throw FileException(errMsg);
}
flockfile(file);
fseek(file, 0, SEEK_END);
size_t fileSize = ftell(file);
fseek(file, 0, SEEK_SET);
char *result = new char[fileSize];
fread(result, 1, fileSize, file);
fclose(file);
return { result, fileSize };
}
void fileAppend(const boost::filesystem::path &filepath, const DataView &data)
{
#if OS_FAMILY == OS_FAMILY_POSIX
FILE *file = fopen(filepath.string().c_str(), "ab+");
#else
FILE *file = _wfopen(filepath.wstring().c_str(), L"ab+");
#endif
if(!file)
{
int error = errno;
string errMsg = "Failed to append to file: ";
errMsg += filepath.string();
errMsg += "; reason: ";
errMsg += strerror(error);
throw FileException(errMsg);
}
flockfile(file);
setbuf(file, NULL);
fwrite(data.data, 1, data.size, file);
fclose(file);
}
void fileOverwrite(const boost::filesystem::path &filepath, const DataView &data)
{
#if OS_FAMILY == OS_FAMILY_POSIX
FILE *file = fopen(filepath.string().c_str(), "wb+");
#else
FILE *file = _wfopen(filepath.wstring().c_str(), L"wb+");
#endif
if(!file)
{
int error = errno;
string errMsg = "Failed to overwrite file: ";
errMsg += filepath.string();
errMsg += "; reason: ";
errMsg += strerror(error);
throw FileException(errMsg);
}
flockfile(file);
setbuf(file, NULL);
fwrite(data.data, 1, data.size, file);
fclose(file);
}
}
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