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#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#ifdef _WIN32
#include <windows.h>
#else
#include <unistd.h>
#include <fcntl.h>
#include <sys/fcntl.h>
#endif
#include <stdio.h>
#include <string.h>
#include <string>
#include <fstream>
using namespace std;
inline string testFilePath(const string &filename)
{
return string(TESTS_DIR "data/") + filename;
}
#define TEST_FILE_PATH_C(f) testFilePath(f).c_str()
inline string copyFile(const string &filename, const string &ext)
{
string newname = string(tempnam(NULL, NULL)) + ext;
string oldname = testFilePath(filename) + ext;
#ifdef _WIN32
CopyFile(oldname.c_str(), newname.c_str(), FALSE);
SetFileAttributes(newname.c_str(), GetFileAttributes(newname.c_str()) & ~FILE_ATTRIBUTE_READONLY);
#else
char buffer[4096];
int bytes;
int inf = open(oldname.c_str(), O_RDONLY);
int outf = open(newname.c_str(), O_CREAT | O_EXCL | O_RDWR, S_IRUSR | S_IWUSR);
while((bytes = read(inf, buffer, sizeof(buffer))) > 0)
write(outf, buffer, bytes);
close(outf);
close(inf);
#endif
return newname;
}
inline void deleteFile(const string &filename)
{
remove(filename.c_str());
}
inline bool fileEqual(const string &filename1, const string &filename2)
{
char buf1[BUFSIZ];
char buf2[BUFSIZ];
ifstream stream1(filename1.c_str(), ios_base::in | ios_base::binary);
ifstream stream2(filename2.c_str(), ios_base::in | ios_base::binary);
if(!stream1 && !stream2) return true;
if(!stream1 || !stream2) return false;
for(;;)
{
stream1.read(buf1, BUFSIZ);
stream2.read(buf2, BUFSIZ);
streamsize n1 = stream1.gcount();
streamsize n2 = stream2.gcount();
if(n1 != n2) return false;
if(n1 == 0) break;
if(memcmp(buf1, buf2, n1) != 0) return false;
}
return stream1.good() == stream2.good();
}
class ScopedFileCopy
{
public:
ScopedFileCopy(const string &filename, const string &ext, bool deleteFile=true)
{
m_deleteFile = deleteFile;
m_filename = copyFile(filename, ext);
}
~ScopedFileCopy()
{
if(m_deleteFile)
deleteFile(m_filename);
}
string fileName()
{
return m_filename;
}
private:
bool m_deleteFile;
string m_filename;
};
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