copymove.c File Reference

#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <tchar.h>
#include <windows.h>

Include dependency graph for copymove.c:

Go to the source code of this file.

Functions
static TCHAR	FindOtherDrive ()
static void	DeleteTestFile (LPCTSTR filename)
static void	CreateTestFile (LPCTSTR filename, DWORD attributes)
static void	DeleteTestDir (LPCTSTR dirname)
static void	CreateTestDir (LPCTSTR dirname)
static void	CheckTestFile (LPCTSTR filename, DWORD attributes)
int	main (int argc, char *argv[])

Function Documentation

CheckTestFile()

static void CheckTestFile ( LPCTSTR  filename, DWORD  attributes  )

static

Definition at line 92 of file copymove.c.

{
    HANDLE file;
    char buffer[4096];
    DWORD read;
    int c;
    DWORD diskattr;
 
    file = CreateFile(filename,
                      GENERIC_READ,
                      0,
                      NULL,
                      OPEN_EXISTING,
                      0,
                      0);
 
    if (INVALID_HANDLE_VALUE == file) {
        fprintf(stderr, "CreateFile failed with code %lu\n", GetLastError());
        exit(1);
    }
 
    if (! ReadFile(file, buffer, sizeof(buffer), &read, NULL)) {
        fprintf(stderr, "ReadFile failed with code %lu\n", GetLastError());
        exit(1);
    }
    if (read != sizeof(buffer)) {
        fprintf(stderr, "Trying to read %u bytes but got %lu bytes\n", sizeof(buffer), read);
        exit(1);
    }
    for(c = 0; c < sizeof(buffer); c++) {
        if (buffer[c] != (char) c) {
            fprintf(stderr, "File contents changed at position %u\n", c);
            exit(1);
        }
    }
 
    CloseHandle(file);
 
    diskattr = GetFileAttributes(filename);
    if (INVALID_FILE_ATTRIBUTES == diskattr) {
        fprintf(stderr, "GetFileAttributes failed with code %lu\n", GetLastError());
        exit(1);
    }
    if (diskattr != attributes) {
        fprintf(stderr, "Attribute mismatch, expected 0x%08lx found 0x%08lx\n", attributes, diskattr);
        exit(1);
    }
}

Referenced by main().

CreateTestDir()

static void CreateTestDir ( LPCTSTR  dirname )

static

Definition at line 83 of file copymove.c.

{
    if (! CreateDirectory(dirname, NULL)) {
        fprintf(stderr, "CreateDirectory failed with code %lu\n", GetLastError());
        exit(1);
    }
}

Referenced by main().

CreateTestFile()

static void CreateTestFile ( LPCTSTR  filename, DWORD  attributes  )

static

Definition at line 41 of file copymove.c.

{
    HANDLE file;
    char buffer[4096];
    DWORD wrote;
    int c;
 
    DeleteTestFile(filename);
    file = CreateFile(filename,
                      GENERIC_READ | GENERIC_WRITE,
                      0,
                      NULL,
                      CREATE_ALWAYS,
                      0,
                      0);
 
    if (INVALID_HANDLE_VALUE == file) {
        fprintf(stderr, "CreateFile failed with code %lu\n", GetLastError());
        exit(1);
    }
    for(c = 0; c < sizeof(buffer); c++) {
        buffer[c] = (char) c;
    }
    if (! WriteFile(file, buffer, sizeof(buffer), &wrote, NULL)) {
        fprintf(stderr, "WriteFile failed with code %lu\n", GetLastError());
        exit(1);
    }
    CloseHandle(file);
 
    if (! SetFileAttributes(filename, attributes)) {
        fprintf(stderr, "SetFileAttributes failed with code %lu\n", GetLastError());
        exit(1);
    }
}

Referenced by main().

DeleteTestDir()

static void DeleteTestDir ( LPCTSTR  dirname )

static

Definition at line 77 of file copymove.c.

{
    RemoveDirectory(dirname);
}

Referenced by main().

DeleteTestFile()

static void DeleteTestFile ( LPCTSTR  filename )

static

Definition at line 34 of file copymove.c.

{
    SetFileAttributes(filename, FILE_ATTRIBUTE_NORMAL);
    DeleteFile(filename);
}

Referenced by CreateTestFile(), and main().

FindOtherDrive()

static TCHAR FindOtherDrive ( )

static

Definition at line 12 of file copymove.c.

{
    DWORD drives = GetLogicalDrives();
    BOOL found = FALSE;
    TCHAR drive;
    TCHAR rootdir[] = _T( "?:\\" );
    TCHAR currentdir[MAX_PATH + 1];
 
    if (0 != GetCurrentDirectory(MAX_PATH + 1, currentdir)) {
        for (drive = _T('A'); ! found && drive <= _T('Z'); drive++) {
            if (0 != (drives & (1 << (drive - _T('A'))))&&
                drive != _totupper(currentdir[0])) {
                rootdir[0] = drive;
                found = (DRIVE_FIXED == GetDriveType(rootdir));
            }
        }
    }
 
    return found ? drive - 1 : _T( ' ' );
}

Referenced by main().

main()

int main	(	int argc	,
		char *	argv[]
	)

Definition at line 142 of file copymove.c.

{
    TCHAR otherdrive;
    TCHAR otherfile[ ] = _T("?:\\other.dat");
 
    otherdrive = FindOtherDrive();
 
    printf("Testing simple move\n");
    CreateTestFile(_T("begin.dat"), FILE_ATTRIBUTE_ARCHIVE);
    DeleteTestFile(_T("end.dat"));
    if (! MoveFile(_T("begin.dat"), _T("end.dat"))) {
        fprintf(stderr, "MoveFile failed with code %lu\n", GetLastError());
        exit(1);
    }
    CheckTestFile(_T("end.dat"), FILE_ATTRIBUTE_ARCHIVE);
    DeleteTestFile(_T("end.dat"));
 
    printf("Testing move of non-existing file\n");
    DeleteTestFile(_T("begin.dat"));
    DeleteTestFile(_T("end.dat"));
    if (MoveFile(_T("begin.dat"), _T("end.dat"))) {
        fprintf(stderr, "MoveFile succeeded but shouldn't have\n");
        exit(1);
    } else if (ERROR_FILE_NOT_FOUND != GetLastError()) {
        fprintf(stderr, "MoveFile failed with unexpected code %lu\n", GetLastError());
        exit(1);
    }
    DeleteTestFile(_T("end.dat"));
 
/* Not correctly implemented in ros, destination file is kept open after this */
#if 0
    printf("Testing move to existing file\n");
    CreateTestFile(_T("begin.dat"), FILE_ATTRIBUTE_ARCHIVE);
    CreateTestFile(_T("end.dat"), FILE_ATTRIBUTE_ARCHIVE);
    if (MoveFile(_T("begin.dat"), _T("end.dat"))) {
        fprintf(stderr, "MoveFile succeeded but shouldn't have\n");
        exit(1);
    } else if (ERROR_ALREADY_EXISTS != GetLastError()) {
        fprintf(stderr, "MoveFile failed with unexpected code %lu\n", GetLastError());
        exit(1);
    }
    DeleteTestFile(_T("begin.dat"));
    DeleteTestFile(_T("end.dat"));
#endif
 
/* Not implemented yet in ros */
#if 0
    printf("Testing directory move\n");
    CreateTestDir(_T("begin"));
    CreateTestFile(_T("begin\\file.dat"), FILE_ATTRIBUTE_NORMAL);
    DeleteTestDir(_T("end"));
    if (! MoveFile(_T("begin"), _T("end"))) {
        fprintf(stderr, "MoveFile failed with code %lu\n", GetLastError());
        exit(1);
    }
    CheckTestFile(_T("end\\file.dat"), FILE_ATTRIBUTE_NORMAL);
    DeleteTestFile(_T("end\\file.dat"));
    DeleteTestDir(_T("end"));
#endif
 
    printf("Testing file move to different directory\n");
    CreateTestFile(_T("file.dat"), FILE_ATTRIBUTE_NORMAL);
    CreateTestDir(_T("end"));
    if (! MoveFile(_T("file.dat"), _T("end\\file.dat"))) {
        fprintf(stderr, "MoveFile failed with code %lu\n", GetLastError());
        exit(1);
    }
    CheckTestFile(_T("end\\file.dat"), FILE_ATTRIBUTE_ARCHIVE);
    DeleteTestFile(_T("end\\file.dat"));
    DeleteTestDir(_T("end"));
 
    printf("Testing move of read-only file\n");
    CreateTestFile(_T("begin.dat"), FILE_ATTRIBUTE_READONLY);
    DeleteTestFile(_T("end.dat"));
    if (! MoveFile(_T("begin.dat"), _T("end.dat"))) {
        fprintf(stderr, "MoveFile failed with code %lu\n", GetLastError());
        exit(1);
    }
    CheckTestFile(_T("end.dat"), FILE_ATTRIBUTE_ARCHIVE | FILE_ATTRIBUTE_READONLY);
    DeleteTestFile(_T("end.dat"));
 
    printf("Testing move to different drive\n");
    if (_T(' ') != otherdrive) {
        otherfile[0] = otherdrive;
        CreateTestFile(_T("begin.dat"), FILE_ATTRIBUTE_ARCHIVE);
        DeleteTestFile(otherfile);
        if (! MoveFile(_T("begin.dat"), otherfile)) {
            fprintf(stderr, "MoveFile failed with code %lu\n", GetLastError());
            exit(1);
        }
        CheckTestFile(otherfile, FILE_ATTRIBUTE_ARCHIVE);
        DeleteTestFile(otherfile);
    } else {
        printf("  Test skipped, no other drive available\n");
    }
 
    printf("Testing move/overwrite of existing file\n");
    CreateTestFile(_T("begin.dat"), FILE_ATTRIBUTE_ARCHIVE);
    CreateTestFile(_T("end.dat"), FILE_ATTRIBUTE_ARCHIVE);
    if (! MoveFileEx(_T("begin.dat"), _T("end.dat"), MOVEFILE_REPLACE_EXISTING)) {
        fprintf(stderr, "MoveFileEx failed with code %lu\n", GetLastError());
        exit(1);
    }
    DeleteTestFile(_T("begin.dat"));
    DeleteTestFile(_T("end.dat"));
 
/* Not (correctly) implemented in ros yet */
#if 0
    printf("Testing move/overwrite of existing readonly file\n");
    CreateTestFile(_T("begin.dat"), FILE_ATTRIBUTE_ARCHIVE);
    CreateTestFile(_T("end.dat"), FILE_ATTRIBUTE_READONLY);
    if (MoveFileEx(_T("begin.dat"), _T("end.dat"), MOVEFILE_REPLACE_EXISTING)) {
        fprintf(stderr, "MoveFileEx succeeded but shouldn't have\n");
        exit(1);
    } else if (ERROR_ALREADY_EXISTS != GetLastError() &&
               ERROR_ACCESS_DENIED != GetLastError()) {
        fprintf(stderr, "MoveFileEx failed with unexpected code %lu\n", GetLastError());
        exit(1);
    }
    DeleteTestFile(_T("begin.dat"));
    DeleteTestFile(_T("end.dat"));
#endif
 
/* Not implemented in ros yet */
#if 0
    printf("Testing move to different drive without COPY_ALLOWED\n");
    if (_T(' ') != otherdrive) {
        otherfile[0] = otherdrive;
        CreateTestFile(_T("begin.dat"), FILE_ATTRIBUTE_ARCHIVE);
        DeleteTestFile(otherfile);
        if (MoveFileEx(_T("begin.dat"), otherfile, 0)) {
            fprintf(stderr, "MoveFileEx succeeded but shouldn't have\n");
            exit(1);
        } else if (ERROR_NOT_SAME_DEVICE != GetLastError()) {
            fprintf(stderr, "MoveFileEx failed with unexpected code %lu\n", GetLastError());
            exit(1);
        }
        DeleteTestFile(otherfile);
    } else {
        printf("  Test skipped, no other drive available\n");
    }
#endif
 
    printf("Testing move to different drive with COPY_ALLOWED\n");
    if (_T(' ') != otherdrive) {
        otherfile[0] = otherdrive;
        CreateTestFile(_T("begin.dat"), FILE_ATTRIBUTE_ARCHIVE);
        DeleteTestFile(otherfile);
        if (! MoveFileEx(_T("begin.dat"), otherfile, MOVEFILE_COPY_ALLOWED)) {
            fprintf(stderr, "MoveFileEx failed with code %lu\n", GetLastError());
            exit(1);
        }
        CheckTestFile(otherfile, FILE_ATTRIBUTE_ARCHIVE);
        DeleteTestFile(otherfile);
    } else {
        printf("  Test skipped, no other drive available\n");
    }
 
    printf("All tests successfully completed\n");
 
    return 0;
}