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Update to using math/rand/v2

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This commit is contained in:
Kovid Goyal
2024-02-11 21:00:30 +05:30
parent 720618bc37
commit 16d36c46fe
3 changed files with 7 additions and 14 deletions
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2
kittens/icat/transmit.go
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@@ -11,7 +11,7 @@ import (
"io" "io"
"kitty" "kitty"
"math" "math"
not_rand "math/rand" not_rand "math/rand/v2"
"os" "os"
"path/filepath" "path/filepath"
"strings" "strings"

15
tools/cmd/benchmark/main.go
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@@ -6,9 +6,8 @@ import (
"bytes" "bytes"
"errors" "errors"
"fmt" "fmt"
"math/rand" "math/rand/v2"
"strings" "strings"
"sync"
"time" "time"
"kitty/tools/cli" "kitty/tools/cli"
@@ -114,16 +113,11 @@ func benchmark_data(description string, data string, opts Options) (duration tim
return return
} }
var rand_src = sync.OnceValue(func() *rand.Rand {
return rand.New(rand.NewSource(time.Now().UnixNano()))
})
func random_string_of_bytes(n int, alphabet string) string { func random_string_of_bytes(n int, alphabet string) string {
b := make([]byte, n) b := make([]byte, n)
al := len(alphabet) al := len(alphabet)
src := rand_src()
for i := 0; i < n; i++ { for i := 0; i < n; i++ {
b[i] = alphabet[src.Intn(al)] b[i] = alphabet[rand.IntN(al)]
} }
return utils.UnsafeBytesToString(b) return utils.UnsafeBytesToString(b)
} }
@@ -158,13 +152,12 @@ func unicode() (r result, err error) {
func ascii_with_csi() (r result, err error) { func ascii_with_csi() (r result, err error) {
const sz = 1024*1024 + 17 const sz = 1024*1024 + 17
out := make([]byte, 0, sz+48) out := make([]byte, 0, sz+48)
src := rand_src()
chunk := "" chunk := ""
for len(out) < sz { for len(out) < sz {
q := src.Intn(100) q := rand.IntN(100)
switch { switch {
case (q < 10): case (q < 10):
chunk = random_string_of_bytes(src.Intn(72)+1, ascii_printable) chunk = random_string_of_bytes(rand.IntN(72)+1, ascii_printable)
case (10 <= q && q < 30): case (10 <= q && q < 30):
chunk = "\x1b[m\x1b[?1h\x1b[H" chunk = "\x1b[m\x1b[?1h\x1b[H"
case (30 <= q && q < 40): case (30 <= q && q < 40):

4
tools/utils/paths.go
View File

@@ -7,7 +7,7 @@ import (
"encoding/base32" "encoding/base32"
"fmt" "fmt"
"io/fs" "io/fs"
not_rand "math/rand" not_rand "math/rand/v2"
"os" "os"
"os/exec" "os/exec"
"os/user" "os/user"
@@ -137,7 +137,7 @@ var CacheDir = sync.OnceValue(func() (cache_dir string) {
} }
candidate = filepath.Join(Expanduser(candidate), "kitty") candidate = filepath.Join(Expanduser(candidate), "kitty")
} }
os.MkdirAll(candidate, 0o755) _ = os.MkdirAll(candidate, 0o755)
return candidate return candidate
}) })