// Copyright 2022 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

#include "go_asm.h"
#include "textflag.h"

TEXT ·IndexByte<ABIInternal>(SB),NOSPLIT,$0-40
	// R4 = b_base
	// R5 = b_len
	// R6 = b_cap (unused)
	// R7 = byte to find
	AND	$0xff, R7
	MOVV	R4, R6		// store base for later
	ADDV	R4, R5		// end
	ADDV	$-1, R4

	PCALIGN	$16

			b1[j] = 'x'
			pos := IndexByte(b1, 'x')
			if pos != j {
				t.Errorf("IndexByte(%q, 'x') = %v", b1, pos)
			}
			b1[j] = 0
			pos = IndexByte(b1, 'x')
			if pos != -1 {
				t.Errorf("IndexByte(%q, 'x') = %v", b1, pos)
			}
		}
		// different end alignments
		b1 = b[:i]
		for j := 0; j < len(b1); j++ {
			b1[j] = 'x'
			pos := IndexByte(b1, 'x')
			if pos != j {

// Copyright 2019 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

#include "go_asm.h"
#include "textflag.h"

TEXT ·IndexByte<ABIInternal>(SB),NOSPLIT,$0-40
	// X10 = b_base
	// X11 = b_len
	// X12 = b_cap (unused)
	// X13 = byte to find
	AND	$0xff, X13
	MOV	X10, X12		// store base for later
	ADD	X10, X11		// end
	SUB	$1, X10

loop:

	}
	if !strings.Contains(pn, "[") && !strings.Contains(pn, "]") {
		return false
	}
	indexPattern := pattern[strings.IndexByte(pattern, '[')+1 : strings.IndexByte(pattern, ']')]
	if indexPattern == "*" {
		return true
	}
	index := pn[strings.IndexByte(pn, '[')+1 : strings.IndexByte(pn, ']')]
	return indexPattern == index

import (
	"bytes"
	"fmt"
	"runtime"
	"strings"

	"cmd/internal/telemetry"

	"golang.org/x/sys/unix"
)

func incrementVersionCounters() {
	convert := func(nullterm []byte) string {
		end := bytes.IndexByte(nullterm, 0)
		if end < 0 {
			end = len(nullterm)
		}
		return string(nullterm[:end])
	}

	var v unix.Utsname
	err := unix.Uname(&v)
	if err != nil {

	fmt.Println(strings.IndexAny("crwth", "aeiouy"))
	// Output:
	// 2
	// -1
}

func ExampleIndexByte() {
	fmt.Println(strings.IndexByte("golang", 'g'))
	fmt.Println(strings.IndexByte("gophers", 'h'))
	fmt.Println(strings.IndexByte("golang", 'x'))
	// Output:
	// 0
	// 3
	// -1
}
func ExampleIndexRune() {
	fmt.Println(strings.IndexRune("chicken", 'k'))

		}
		return
	}
	fmt.Fprintf(w, "%s%s\n", prefix, bytes.TrimSpace(out))
}

// firstLine returns the first line of a given byte slice.
func firstLine(buf []byte) []byte {
	idx := bytes.IndexByte(buf, '\n')
	if idx > 0 {
		buf = buf[:idx]
	}
	return bytes.TrimSpace(buf)
}

// printGlibcVersion prints information about the glibc version.
// It ignores failures.

		Count: make(map[string]uint64),
	}
	np := round(len(hdrPrefix), 4)
	hdrLen := *(*uint32)(unsafe.Pointer(&data[np]))
	if hdrLen > pageSize {
		return corrupt()
	}
	meta := data[np+4 : hdrLen]
	if i := bytes.IndexByte(meta, 0); i >= 0 {
		meta = meta[:i]
	}
	m := &mappedFile{
		meta:    string(meta),
		hdrLen:  hdrLen,
		mapping: &mmap.Data{Data: data},
	}

	lines := strings.Split(m.meta, "\n")

	if len(name) >= grpcWebLen && strings.EqualFold(name[:grpcWebLen], grpcWeb) {
		return protocol.GRPCWeb
	}

	// Parse the port name to find the prefix, if any.
	i := strings.IndexByte(name, '-')
	if i >= 0 {
		name = name[:i]
	}

	p := protocol.Parse(name)
	if p == protocol.Unsupported {
		// Make TCP as default protocol for well know ports if protocol is not specified.

	"encoding/binary"
	"fmt"
	"internal/saferio"
	"io"
)

// cstring converts ASCII byte sequence b to string.
// It stops once it finds 0 or reaches end of b.
func cstring(b []byte) string {
	i := bytes.IndexByte(b, 0)
	if i == -1 {
		i = len(b)
	}
	return string(b[:i])
}

// StringTable is a COFF string table.
type StringTable []byte

func readStringTable(fh *FileHeader, r io.ReadSeeker) (StringTable, error) {