wired/fio_8h_source.html

#ifndef FIO_H

#define FIO_H


#include "common/bytes/span/span.h"

#include "common/platform/sys/syscall.h"


#define WIRED_FIO_ETOOBIG (-27)


ssz wired_fio_read(const char* path, wired_mspan buf);


wired_span wired_fio_read_span(const char* path, wired_mspan buf);


ssz wired_fio_append(const char* path, wired_span data);


ssz wired_fio_open(const char* path);


ssz wired_fio_size(const char* path);


ssz wired_fio_pread(i64 fd, wired_mspan buf, u64 off);


i64 wired_fio_mkdir(const char* path);


i64 wired_fio_write_new(const char* path, wired_span data);


void wired_fio_close(i64 fd);


#endif

wired_fio_read
ssz wired_fio_read(const char *path, wired_mspan buf)
Read the whole file at path into buf.

wired_fio_mkdir
i64 wired_fio_mkdir(const char *path)
Create the directory at path (mkdirat(AT_FDCWD, path, 0755)).

wired_fio_size
ssz wired_fio_size(const char *path)
The file's total size in bytes (via newfstatat's st_size), without disturbing any open descriptor's r...

wired_fio_read_span
wired_span wired_fio_read_span(const char *path, wired_mspan buf)
wired_fio_read returning the bytes read as a view into buf.

wired_fio_write_new
i64 wired_fio_write_new(const char *path, wired_span data)
Replace the file at path with data.

wired_fio_append
ssz wired_fio_append(const char *path, wired_span data)
Append data to the file at path, creating it (mode 0600) if it does not exist.

wired_fio_pread
ssz wired_fio_pread(i64 fd, wired_mspan buf, u64 off)
Read up to buf.n bytes from fd starting at byte offset off (pread64: does not move any shared file po...

wired_fio_open
ssz wired_fio_open(const char *path)
Open path for reading (openat(AT_FDCWD, path, O_RDONLY)), leaving the descriptor open for repeated wi...

wired_fio_close
void wired_fio_close(i64 fd)
Close a descriptor from wired_fio_open.

span.h
Value-type views that fold the SDK's recurring argument shapes into single parameters,...

wired_mspan
Mutable view of a byte range.
Definition span.h:42

wired_span
Read-only view of a byte range.
Definition span.h:30

syscall.h
Linux direct syscalls.

i64
long i64
signed 64-bit integer
Definition types.h:14

ssz
i64 ssz
signed size (ssize_t equivalent)
Definition types.h:19

u64
unsigned long u64
unsigned 64-bit integer
Definition types.h:13