是否可以使用 struct stat 描述符获取和设置文件名? [英] Is it possible getting and setting file name with struct stat descriptor?

问题描述

是否可以在获取或设置(重命名)文件名时提供文件的绝对路径，以及一个 struct stat 实例作为 lstat 函数的参数.正如我在文档结构中发现的那样；

Is it possible at get or set ( rename ) a file name with giving the absolute path of file, and a struct stat instance as parameters to lstat function. As I find in documentation struct seems like that;

struct stat {
    dev_t     st_dev;     /* ID of device containing file */
    ino_t     st_ino;     /* inode number */
    mode_t    st_mode;    /* protection */
    nlink_t   st_nlink;   /* number of hard links */
    uid_t     st_uid;     /* user ID of owner */
    gid_t     st_gid;     /* group ID of owner */
    dev_t     st_rdev;    /* device ID (if special file) */
    off_t     st_size;    /* total size, in bytes */
    blksize_t st_blksize; /* blocksize for filesystem I/O */
    blkcnt_t  st_blocks;  /* number of blocks allocated */
    time_t    st_atime;   /* time of last access */
    time_t    st_mtime;   /* time of last modification */
    time_t    st_ctime;   /* time of last status change */
};

我想要的是这样的；

What I want is something like that;

struct stat *s;
char *path; // assigning the ablosute path of file
int res = lstat(path, s);
if(res == -1)
   return errno;
char *name = s->(someFielAboutFileName);
or
s->(someFieldAboutFileName) = name; // setting name

推荐答案

没有.在 unix 中，名称不是文件的固有属性.一个文件可以有多个名称(参见硬链接)，甚至没有.

No. In unix, the name is not an inherent property of the file. A file can have multiple names (see hard links) or even none.

名称只是目录中的条目.

The names are just entries in directories.

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