Index wasi args_get args_sizes_get clock_res_get clock_time_get environ_get environ_sizes_get fd_advise fd_allocate fd_close fd_datasync fd_fdstat_get fd_fdstat_set_flags fd_fdstat_set_rights fd_filestat_get fd_filestat_set_size fd_filestat_set_times fd_pread fd_prestat_dir_name fd_prestat_get fd_pwrite fd_read fd_readdir fd_renumber fd_seek fd_sync fd_tell fd_write file_stat_flags filestat iovec lookup_flags path_create_directory path_filestat_get path_filestat_set_times path_link path_open path_readlink path_remove_directory path_rename path_symlink path_unlink_file poll_oneoff proc_exit proc_raise random_get sched_yield sock_accept sock_recv sock_send sock_shutdown
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Get the metadata of an open file
fd_filestat_get (
fd: i32The file descriptor of the open file whose metadata will be readbuf: i32A WebAssembly pointer to a memory location where the metadata will be written
) =>
error: i32 

The fd_filestat_get() function is used to retrieve the metadata of an open file identified by a file descriptor. It provides information about the file's attributes, such as its size, timestamps, and permissions.

In POSIX systems, file descriptors are used to perform I/O operations on files. The fd_filestat_get() function allows applications to obtain the metadata of an open file, providing access to important details about the file.

Note

The fd_filestat_get() function retrieves the metadata of an open file identified by the provided file descriptor. The metadata includes information about the file's attributes, such as its size, timestamps, and permissions. The retrieved metadata is written to the specified memory location.

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