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fstat: Add fstat() support to nxffs.

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This commit is contained in:
Gregory Nutt 2017-02-13 08:22:05 -06:00
parent a482a4603f
commit 181eb79616
1 changed files with 45 additions and 3 deletions
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48
fs/nxffs/nxffs_stat.c
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@ -47,6 +47,7 @@
#include <string.h>
#include <fcntl.h>
#include <assert.h>
#include <errno.h>
#include <debug.h>
#include <nuttx/fs/fs.h>
@ -149,6 +150,8 @@ int nxffs_stat(FAR struct inode *mountpt, FAR const char *relpath,
goto errout_with_semaphore;
}
/* Return status information based on the directory entry */
buf->st_blocks = entry.datlen / (volume->geo.blocksize - SIZEOF_NXFFS_BLOCK_HDR);
buf->st_mode = S_IFREG | S_IXOTH | S_IXGRP | S_IXUSR;
buf->st_size = entry.datlen;
@ -187,7 +190,46 @@ errout:
int nxffs_fstat(FAR const struct file *filep, FAR struct stat *buf)
{
#warning Missing logic
return -ENOSYS;
}
FAR struct nxffs_volume_s *volume;
FAR struct nxffs_ofile_s *ofile;
int ret;
finfo("Buf %s\n", buf);
DEBUGASSERT(filep != NULL && buf != NULL);
/* Recover the open file state from the struct file instance */
DEBUGASSERT(filep->f_priv != NULL && filep->f_inode != NULL);
ofile = (FAR struct nxffs_ofile_s *)filep->f_priv;
/* Recover the volume state from the open file */
volume = (FAR struct nxffs_volume_s *)filep->f_inode->i_private;
DEBUGASSERT(volume != NULL);
/* Get exclusive access to the volume. Note that the volume exclsem
* protects the open file list.
*/
ret = sem_wait(&volume->exclsem);
if (ret != OK)
{
int errcode = get_errno();
ferr("ERROR: sem_wait failed: %d\n", errcode);
return -errcode;
}
/* Return status information based on the directory entry */
buf->st_blocks = ofile->entry.datlen /
(volume->geo.blocksize - SIZEOF_NXFFS_BLOCK_HDR);
buf->st_mode = S_IFREG | S_IXOTH | S_IXGRP | S_IXUSR;
buf->st_size = ofile->entry.datlen;
buf->st_atime = ofile->entry.utc;
buf->st_mtime = ofile->entry.utc;
buf->st_ctime = ofile->entry.utc;
sem_post(&volume->exclsem);
return OK;
}