libs/rt-thread-official
libs/rt-thread-official
4
0
Fork 0
mirror of https://github.com/RT-Thread/rt-thread.git synced 2025-01-18 17:53:31 +08:00
Code Issues Releases Wiki Activity

add fstat implementation.

Browse Source 
git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1057 bbd45198-f89e-11dd-88c7-29a3b14d5316
This commit is contained in:
bernard.xiong@gmail.com 2010-11-17 23:36:33 +00:00
parent 32f6598912
commit d4c03d07cf
3 changed files with 41 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
components/dfs/filesystems/elmfat/dfs_elm.c
View File

@ -220,7 +220,6 @@ int dfs_elm_open(struct dfs_fd* file)
}
}
/* open directory */
dir = (DIR *)rt_malloc(sizeof(DIR));
if (dir == RT_NULL)

1
components/dfs/include/dfs_posix.h
View File

@ -99,6 +99,7 @@ off_t lseek(int fd, off_t offset, int whence);
int rename(const char* old, const char* new );
int unlink(const char *pathname);
int stat(const char *file, struct stat *buf);
int fstat(int fildes, struct stat *buf);
int statfs(const char *path, struct statfs *buf);
/* directory api*/

41
components/dfs/src/dfs_posix.c
View File

@ -257,7 +257,7 @@ int unlink(const char *pathname)
* this function is a POSIX compliant version, which will get file information.
*
* @param file the file name
* @param buf the the data buffer to save stat description.
* @param buf the data buffer to save stat description.
*
* @return 0 on successful, -1 on failed.
*/
@ -274,6 +274,45 @@ int stat(const char *file, struct stat *buf)
return result;
}
/**
* this function is a POSIX compliant version, which will get file status.
*
* @param fildes the file description
* @param buf the data buffer to save stat description.
*/
int fstat(int fildes, struct stat *buf)
{
int result;
struct dfs_fd* d;
/* get the fd */
d = fd_get(fildes);
if (d == RT_NULL)
{
rt_set_errno(-RT_ERROR);
return -1;
}
/* it's the root directory */
buf->st_dev = 0;
buf->st_mode = DFS_S_IFREG | DFS_S_IRUSR | DFS_S_IRGRP | DFS_S_IROTH |
DFS_S_IWUSR | DFS_S_IWGRP | DFS_S_IWOTH;
if (d->type == FT_DIRECTORY)
{
buf->st_mode &= ~DFS_S_IFREG;
buf->st_mode |= DFS_S_IFDIR | DFS_S_IXUSR | DFS_S_IXGRP | DFS_S_IXOTH;
}
buf->st_size = d->size;
buf->st_mtime = 0;
buf->st_blksize = 512;
fd_put(d);
return DFS_STATUS_OK;
}
/**
* this function is a POSIX compliant version, which will return the
* information about a mounted file system.