}

func (r *RingBuffer) write(p []byte) (n int, err error) {
	if r.isFull {
		return 0, ErrIsFull
	}

	var avail int
	if r.w >= r.r {
		avail = r.size - r.w + r.r
	} else {
		avail = r.r - r.w
	}

	if len(p) > avail {
		err = ErrTooMuchDataToWrite
		p = p[:avail]
	}
	n = len(p)

	if r.w >= r.r {
		c1 := r.size - r.w
		if c1 >= n {
			copy(r.buf[r.w:], p)
			r.w += n

  function fitText(t, avail, textList) {
    // Find first entry in textList that fits.
    let width = avail;
    textContext.font = FONT_SIZE + 'pt Arial';
    for (let i = 0; i < textList.length; i++) {
      let text = textList[i];
      width = textContext.measureText(text).width;
      if (width <= avail) {
        t.innerText = text;
        return;
      }
    }

	// Set up the scavenger.
	var s Scavenger
	s.Sleep = func(ns int64) int64 {
		totalSlept.Add(ns)
		return ns
	}
	s.Scavenge = func(bytes uintptr) (uintptr, int64) {
		avail := availableWork.Load()
		if uint64(bytes) > avail {
			bytes = uintptr(avail)
		}
		t := workedTime(bytes)
		if bytes != 0 {
			availableWork.Add(-int64(bytes))
			totalWorked.Add(t)
		}
		return bytes, t
	}

				rt.name,
				rt.expectedError,
				(output != nil),
			)
		}
	}
}

func TestFileAvailableCheck(t *testing.T) {
	f, err := os.CreateTemp("", "file-avail-check")
	if err != nil {
		t.Fatalf("Failed to create file: %v", err)
	}
	defer utiltesting.CloseAndRemove(t, f)
	var tests = []struct {
		name          string
		check         FileAvailableCheck

	// current stack. The currently used stack includes everything
	// down to the SP plus the stack guard space that ensures
	// there's room for nosplit functions.
	avail := gp.stack.hi - gp.stack.lo
	if used := gp.stack.hi - gp.sched.sp + stackNosplit; used >= avail/4 {
		return
	}

	if stackDebug > 0 {
		print("shrinking stack ", oldsize, "->", newsize, "\n")
	}

	copystack(gp, newsize)
}

Il avait les meilleures performances d'après les benchmarks de l'époque (seulement surpassé par Starlette).

Au départ, il ne disposait pas d'une interface web de documentation automatique de l'API, mais je savais que je pouvais lui ajouter une interface Swagger.

	Cylinders uint16
	Start     uint64
}

type Statfs_t struct {
	Type    int64
	Bsize   int64
	Frsize  int64
	Blocks  uint64
	Bfree   uint64
	Files   uint64
	Ffree   uint64
	Bavail  uint64
	Fsid    Fsid
	Namelen int64
	Flags   int64
	Spare   [5]int64
}

type TpacketHdr struct {
	Status  uint64
	Len     uint32
	Snaplen uint32
	Mac     uint16
	Net     uint16

	Start     uint32
}

type Statfs_t struct {
	Type    int32
	Bsize   int32
	Frsize  int32
	_       [4]byte
	Blocks  uint64
	Bfree   uint64
	Files   uint64
	Ffree   uint64
	Bavail  uint64
	Fsid    Fsid
	Namelen int32
	Flags   int32
	Spare   [5]int32
	_       [4]byte
}

type TpacketHdr struct {
	Status  uint32
	Len     uint32
	Snaplen uint32
	Mac     uint16

type HDGeometry struct {
	Heads     uint8
	Sectors   uint8
	Cylinders uint16
	Start     uint64
}

type Statfs_t struct {
	Type    int64
	Bsize   int64
	Blocks  uint64
	Bfree   uint64
	Bavail  uint64
	Files   uint64
	Ffree   uint64
	Fsid    Fsid
	Namelen int64
	Frsize  int64
	Flags   int64
	Spare   [4]int64
}

type TpacketHdr struct {
	Status  uint64
	Len     uint32

type HDGeometry struct {
	Heads     uint8
	Sectors   uint8
	Cylinders uint16
	Start     uint64
}

type Statfs_t struct {
	Type    int64
	Bsize   int64
	Blocks  uint64
	Bfree   uint64
	Bavail  uint64
	Files   uint64
	Ffree   uint64
	Fsid    Fsid
	Namelen int64
	Frsize  int64
	Flags   int64
	Spare   [4]int64
}

type TpacketHdr struct {
	Status  uint64
	Len     uint32