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procfs: Add support for fstat().

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This commit is contained in:
Gregory Nutt 2017-02-14 10:00:15 -06:00
parent b4695c5ee9
commit c5df283822
1 changed files with 11 additions and 2 deletions
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13
fs/procfs/fs_procfs.c
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@ -474,8 +474,17 @@ static int procfs_dup(FAR const struct file *oldp, FAR struct file *newp)
static int procfs_fstat(FAR const struct file *filep, FAR struct stat *buf)
{
#warning Missing logic
return -ENOSYS;
/* This is trivially simple in the current implementation. The procfs
* file system contains only directory and read-only data file entries.
* Therefore, the return buf always has the same fixed values.
*
* REVISIT: This, of course, will need to change if read-write procfs
* entries are to be supported.
*/
memset(buf, 0, sizeof(struct stat));
buf->st_mode = S_IFREG | S_IROTH | S_IRGRP | S_IRUSR;
return OK;
}
/****************************************************************************