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#include "TestUtil.h"
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <cerrno>
#include <cstring>
#include <sstream>
#include <fstream>
#include "a2io.h"
#include "File.h"
#include "StringFormat.h"
#include "FatalException.h"
namespace aria2 {
void createFile(const std::string& path, size_t length)
{
File(File(path).getDirname()).mkdirs();
int fd = creat(path.c_str(), OPEN_MODE);
if(fd == -1) {
throw FATAL_EXCEPTION(StringFormat("Could not create file=%s. cause:%s",
path.c_str(), strerror(errno)).str());
}
if(-1 == ftruncate(fd, length)) {
throw FATAL_EXCEPTION(StringFormat("ftruncate failed. cause:%s",
strerror(errno)).str());
}
close(fd);
}
std::string readFile(const std::string& path)
{
std::stringstream ss;
std::ifstream in(path.c_str(), std::ios::binary);
char buf[4096];
while(1) {
in.read(buf, sizeof(buf));
ss.write(buf, in.gcount());
if(in.gcount() != sizeof(buf)) {
break;
}
}
return ss.str();
}
};
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