// Copyright (c) 2015-2024 MinIO, Inc.
//
// This file is part of MinIO Object Storage stack
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful

// Copyright (c) 2015-2021 MinIO, Inc.
//
// This file is part of MinIO Object Storage stack
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful

type uint uint

// uintptr is an integer type that is large enough to hold the bit pattern of
// any pointer.
type uintptr uintptr

// byte is an alias for uint8 and is equivalent to uint8 in all ways. It is
// used, by convention, to distinguish byte values from 8-bit unsigned
// integer values.
type byte = uint8

// rune is an alias for int32 and is equivalent to int32 in all ways. It is

		return xhttp.AmzChecksumSHA1
	case c.Is(ChecksumSHA256):
		return xhttp.AmzChecksumSHA256
	}
	return ""
}

// RawByteLen returns the size of the un-encoded checksum.
func (c ChecksumType) RawByteLen() int {
	switch {
	case c.Is(ChecksumCRC32):
		return 4
	case c.Is(ChecksumCRC32C):
		return 4
	case c.Is(ChecksumSHA1):
		return sha1.Size
	case c.Is(ChecksumSHA256):
		return sha256.Size

			apiErr = APIError{
				Code:           "XMinioIAMNotInitialized",
				Description:    err.Error(),
				HTTPStatusCode: http.StatusServiceUnavailable,
			}
		case errors.Is(err, errPolicyInUse):
			apiErr = APIError{
				Code:           "XMinioIAMPolicyInUse",
				Description:    "The policy cannot be removed, as it is in use",
				HTTPStatusCode: http.StatusBadRequest,
			}

}

var (
	// ErrInvalidEncryptionMethod indicates that the specified SSE encryption method
	// is not supported.
	ErrInvalidEncryptionMethod = Errorf("The encryption method is not supported")

	// ErrInvalidCustomerAlgorithm indicates that the specified SSE-C algorithm
	// is not supported.
	ErrInvalidCustomerAlgorithm = Errorf("The SSE-C algorithm is not supported")

	if errors.Is(err, os.ErrDeadlineExceeded) || errors.Is(err, context.DeadlineExceeded) {
		return ErrRequestTimedout
	}

	// Only return ErrClientDisconnected if the provided context is actually canceled.
	// This way downstream context.Canceled will still report ErrRequestTimedout
	if contextCanceled(ctx) && errors.Is(ctx.Err(), context.Canceled) {
		return ErrClientDisconnected
	}

const (
	GlobalMinioDefaultPort = "9000"

	globalMinioDefaultRegion = ""
	// This is a sha256 output of ``arn:aws:iam::minio:user/admin``,
	// this is kept in present form to be compatible with S3 owner ID
	// requirements -
	//
	// ```
	//    The canonical user ID is the Amazon S3–only concept.
	//    It is 64-character obfuscated version of the account ID.
	// ```

// errDriveIsRoot - cannot use the disk since its a root disk.
var errDriveIsRoot = StorageErr("drive is part of root drive, will not be used")

// errFaultyRemoteDisk - remote disk is faulty.
var errFaultyRemoteDisk = StorageErr("remote drive is faulty")

// errFaultyDisk - disk is faulty.
var errFaultyDisk = StorageErr("drive is faulty")

// errDiskAccessDenied - we don't have write permissions on disk.

	if !filepath.IsAbs(path) {
		return fmt.Errorf("Invalid argument, path (%s) is expected to be absolute", path)
	}
	var crossMounts mountInfos
	for _, mount := range mts {
		// Add a separator to indicate that this is a proper mount-point.
		// This is to avoid a situation where prefix is '/tmp/fsmount'
		// and mount path is /tmp/fs. In such a scenario we need to check for
		// `/tmp/fs/` to be a common prefix amount other mounts.