linux与windows之文件操作

实验的目的：

系统编程涉及到文件的操作，程序的目的是为了让linux平台上的API能够转换为windows平台上的API程序，在将MFC程序移植进去QT

[linux]

#define S_IFMT  00170000
#define S_IFSOCK 0140000
#define S_IFLNK  0120000
#define S_IFREG  0100000
#define S_IFBLK  0060000
#define S_IFDIR  0040000
#define S_IFCHR  0020000
#define S_IFIFO  0010000
#define S_ISUID  0004000
#define S_ISGID  0002000
#define S_ISVTX  0001000

#define S_ISLNK(m) (((m) & S_IFMT) == S_IFLNK)
#define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
#define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
#define S_ISCHR(m) (((m) & S_IFMT) == S_IFCHR)
#define S_ISBLK(m) (((m) & S_IFMT) == S_IFBLK)
#define S_ISFIFO(m) (((m) & S_IFMT) == S_IFIFO)
#define S_ISSOCK(m) (((m) & S_IFMT) == S_IFSOCK)

#define S_IRWXU 00700
#define S_IRUSR 00400
#define S_IWUSR 00200
#define S_IXUSR 00100

#define S_IRWXG 00070
#define S_IRGRP 00040
#define S_IWGRP 00020
#define S_IXGRP 00010

#define S_IRWXO 00007
#define S_IROTH 00004
#define S_IWOTH 00002
#define S_IXOTH 00001

#endif

#ifdef __KERNEL__
#define S_IRWXUGO (S_IRWXU|S_IRWXG|S_IRWXO)
#define S_IALLUGO (S_ISUID|S_ISGID|S_ISVTX|S_IRWXUGO)
#define S_IRUGO  (S_IRUSR|S_IRGRP|S_IROTH)
#define S_IWUGO  (S_IWUSR|S_IWGRP|S_IWOTH)
#define S_IXUGO  (S_IXUSR|S_IXGRP|S_IXOTH)

#include
#include

struct kstat {
 u64  ino;
 dev_t  dev;
 umode_t  mode;
 unsigned int nlink;
 uid_t  uid;
 gid_t  gid;
 dev_t  rdev;
 loff_t  size;
 struct timespec  atime;
 struct timespec mtime;
 struct timespec ctime;
 unsigned long blksize;
 unsigned long long blocks;
};

#endif

#endif

---------------------------------

[代码]

#include
#include
#include

//#define  ROOTDIR  "/yum/mt/tcp/mp3"           //test = 16877
#define  ROOTDIR  "/yum/mt/tcp/mp3/1.mp3"       //test = 33188

int main(void)
{
        char * filename;
        filename = ROOTDIR;
        struct stat filestat;
        stat(filename, &filestat);
        printf("test = %d\n", filestat.st_mode);

        return 0;
}

=================================================================

[MFC]（vs软件）

#define S_IFMT   _S_IFMT
#define S_IFDIR  _S_IFDIR
#define S_IFCHR  _S_IFCHR
#define S_IFREG  _S_IFREG
#define S_IREAD  _S_IREAD
#define S_IWRITE _S_IWRITE
#define S_IEXEC  _S_IEXEC

#define _S_IFMT         0xF000          /* file type mask */
#define _S_IFDIR        0x4000          /* directory */
#define _S_IFCHR        0x2000          /* character special */
#define _S_IFIFO        0x1000          /* pipe */
#define _S_IFREG        0x8000          /* regular */
#define _S_IREAD        0x0100          /* read permission, owner */
#define _S_IWRITE       0x0080          /* write permission, owner */
#define _S_IEXEC        0x0040          /* execute/search permission, owner */

_CRTIMP int __cdecl _fstat32(_In_ int _FileDes, _Out_ struct _stat32 * _Stat);
_CRTIMP int __cdecl _stat32(_In_z_ const char * _Name, _Out_ struct _stat32 * _Stat);

_CRTIMP int __cdecl _fstat32i64(_In_ int _FileDes, _Out_ struct _stat32i64 * _Stat);
_CRTIMP int __cdecl _fstat64i32(_In_ int _FileDes, _Out_ struct _stat64i32 * _Stat);
_CRTIMP int __cdecl _fstat64(_In_ int _FileDes, _Out_ struct _stat64 * _Stat);
_CRTIMP int __cdecl _stat32i64(_In_z_ const char * _Name, _Out_ struct _stat32i64 * _Stat);
_CRTIMP int __cdecl _stat64i32(_In_z_ const char * _Name, _Out_ struct _stat64i32 * _Stat);
_CRTIMP int __cdecl _stat64(_In_z_ const char * _Name, _Out_ struct _stat64 * _Stat);

----------------------------------

[代码]

#include "stdafx.h"
#include
#include
#include

//#define S_IFMT  00170000　　　　　　　　//文件中有掩码，也可以自己定义
//#define S_IFREG  32768
//#define S_IFDIR   16384

#define S_ISREG(m)      (((m) & S_IFMT) == S_IFREG)
#define S_ISDIR(m)      (((m) & S_IFMT) == S_IFDIR)

//#define  ROOTDIR  "E:\\mp3\\5.mp3"
   #define  ROOTDIR  "E:\\mp3\\new"

int main(void)
 {
  char * filename;
  filename = ROOTDIR;
  struct stat filestat;
  stat(filename, &filestat);
  printf("test = %d\n", filestat.st_mode);
  
  int  m =  filestat.st_mode;
  printf("((m) & S_IFMT) = %d\n", ( (m)& S_IFMT));
  
  return 0;
}

===========================================================================

【QT】

QT代码还没有写，占位。