posix: device_io: implement fileno() (ab8b28ed) · Commits · Wenxi XU / zephyr

lib/os/fdtable.c

+10 −0

Original line number	Diff line number	Diff line
		@@ -409,6 +409,16 @@ FILE zvfs_fdopen(int fd, const char mode)
		return (FILE *)&fdtable[fd];
		}

		int zvfs_fileno(FILE *file)
		{
		if (!IS_ARRAY_ELEMENT(fdtable, file)) {
		errno = EBADF;
		return -1;
		}

		return (struct fd_entry *)file - fdtable;
		}

		int zvfs_fstat(int fd, struct stat *buf)
		{
		if (_check_fd(fd) < 0) {

+6 −0

Original line number	Diff line number	Diff line
		@@ -15,6 +15,7 @@
		/* prototypes for external, not-yet-public, functions in fdtable.c or fs.c */
		int zvfs_close(int fd);
		FILE zvfs_fdopen(int fd, const char mode);
		int zvfs_fileno(FILE *file);
		int zvfs_open(const char *name, int flags);
		ssize_t zvfs_read(int fd, void buf, size_t sz, size_t from_offset);
		ssize_t zvfs_write(int fd, const void buf, size_t sz, size_t from_offset);
		@@ -52,6 +53,11 @@ FILE fdopen(int fd, const char mode)
		return zvfs_fdopen(fd, mode);
		}

		int fileno(FILE *file)
		{
		return zvfs_fileno(file);
		}

		int open(const char *name, int flags, ...)
		{
		/* FIXME: necessarily need to check for O_CREAT and unpack ... if set */