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dirent.h: Add d_ino member to struct dirent

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This commit adds the `d_ino` member (`ino_t` type) to struct dirent
to make it compatible with the POSIX definition of the structure.
According to https://pubs.opengroup.org/onlinepubs/9799919799/, the
structure `dirent` shall include the following members:

```
ino_t  d_ino       File serial number.
char   d_name[]    Filename string of entry.
```

https://www.man7.org/linux/man-pages/man3/readdir.3.html also
states that:

"
Only the fields d_name and (as an XSI extension) d_ino are
specified in POSIX.1.  Other than Linux, the d_type field is
available mainly only on BSD systems.  The remaining fields are
available on many, but not all systems.
"

Although `d_ino` isn't being used by NuttX directly, the structure
`dirent` may be used by third-party applications and it's important
to have all the required members defined to avoid compatibility
issues.
This commit is contained in:
Tiago Medicci Serrano 2024-12-02 14:39:16 -03:00
parent 12fd5ec472
commit 96cd2e390f
2 changed files with 2 additions and 0 deletions
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1
include/dirent.h
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@ -112,6 +112,7 @@
struct dirent struct dirent
{ {
ino_t d_ino; /* file number */
uint8_t d_type; /* Type of file */ uint8_t d_type; /* Type of file */
char d_name[NAME_MAX + 1]; /* File name */ char d_name[NAME_MAX + 1]; /* File name */
}; };

1
include/nuttx/fs/hostfs.h
View file

@ -152,6 +152,7 @@ struct nuttx_timespec
struct nuttx_dirent_s struct nuttx_dirent_s
{ {
ino_t d_ino; /* file number */
uint8_t d_type; /* type of file */ uint8_t d_type; /* type of file */
char d_name[CONFIG_NAME_MAX + 1]; /* filename */ char d_name[CONFIG_NAME_MAX + 1]; /* filename */
}; };