Package org.jruby.ext.ffi

Class MemoryUtil

java.lang.Object
org.jruby.ext.ffi.MemoryUtil
public final class MemoryUtil extends Object

  • Constructor Details

    • MemoryUtil

      private MemoryUtil()

  • Method Details

    • getArrayOfSigned8

      public static final IRubyObject getArrayOfSigned8(Ruby runtime, MemoryIO io, long offset, int count)

    • putArrayOfSigned8

      public static final void putArrayOfSigned8(Ruby runtime, MemoryIO io, long offset, RubyArray ary)

    • getArrayOfUnsigned8

      public static final IRubyObject getArrayOfUnsigned8(Ruby runtime, MemoryIO io, long offset, int count)

    • putArrayOfUnsigned8

      public static final void putArrayOfUnsigned8(Ruby runtime, MemoryIO io, long offset, RubyArray ary)

    • getArrayOfSigned16

      public static final IRubyObject getArrayOfSigned16(Ruby runtime, MemoryIO io, long offset, int count)

    • putArrayOfSigned16

      public static final void putArrayOfSigned16(Ruby runtime, MemoryIO io, long offset, RubyArray ary)

    • getArrayOfUnsigned16

      public static final IRubyObject getArrayOfUnsigned16(Ruby runtime, MemoryIO io, long offset, int count)

    • putArrayOfUnsigned16

      public static final void putArrayOfUnsigned16(Ruby runtime, MemoryIO io, long offset, RubyArray ary)

    • getArrayOfSigned32

      public static final IRubyObject getArrayOfSigned32(Ruby runtime, MemoryIO io, long offset, int count)

    • putArrayOfSigned32

      public static final void putArrayOfSigned32(Ruby runtime, MemoryIO io, long offset, RubyArray ary)

    • getArrayOfUnsigned32

      public static final IRubyObject getArrayOfUnsigned32(Ruby runtime, MemoryIO io, long offset, int count)

    • putArrayOfUnsigned32

      public static final void putArrayOfUnsigned32(Ruby runtime, MemoryIO io, long offset, RubyArray ary)

    • getArrayOfSigned64

      public static final IRubyObject getArrayOfSigned64(Ruby runtime, MemoryIO io, long offset, int count)

    • putArrayOfSigned64

      public static final void putArrayOfSigned64(Ruby runtime, MemoryIO io, long offset, RubyArray ary)

    • getArrayOfUnsigned64

      public static final IRubyObject getArrayOfUnsigned64(Ruby runtime, MemoryIO io, long offset, int count)

    • putArrayOfUnsigned64

      public static final void putArrayOfUnsigned64(Ruby runtime, MemoryIO io, long offset, RubyArray ary)

    • getArrayOfFloat32

      public static final IRubyObject getArrayOfFloat32(Ruby runtime, MemoryIO io, long offset, int count)

    • putArrayOfFloat32

      public static final void putArrayOfFloat32(Ruby runtime, MemoryIO io, long offset, RubyArray ary)

    • getArrayOfFloat64

      public static final IRubyObject getArrayOfFloat64(Ruby runtime, MemoryIO io, long offset, int count)

    • putArrayOfFloat64

      public static final void putArrayOfFloat64(Ruby runtime, MemoryIO io, long offset, RubyArray ary)

    • newTaintedString

      public static final RubyString newTaintedString(Ruby runtime, byte[] bytes)
      Creates a ruby string from a byte array and sets the taint flag on it
      Parameters:
      runtime - The ruby runtime
      bytes - The array to make into a ruby string.
      Returns:
      A ruby string.

    • getTaintedByteString

      public static final RubyString getTaintedByteString(Ruby runtime, MemoryIO io, long offset, int length)
      Reads a byte (binary) string from a memory object.
      Parameters:
      runtime - The ruby runtime
      io - The memory object to read the string from
      offset - The offset within the memory object to start reading
      length - The number of bytes to read
      Returns:
      A ruby string

    • getTaintedString

      public static final IRubyObject getTaintedString(Ruby runtime, MemoryIO io, long offset)
      Gets a NUL terminated string from a memory object
      Parameters:
      runtime - The ruby runtime
      io - The memory object to read the string from
      offset - The offset within the memory object to start reading
      Returns:
      A ruby string

    • getTaintedString

      public static final IRubyObject getTaintedString(Ruby runtime, MemoryIO io, long offset, int length)
      Reads a NUL terminated string from a memory object
      Parameters:
      runtime - The ruby runtime
      io - The memory object to read the string from
      offset - The offset within the memory object to start reading
      maxlen - The maximum number of bytes to read
      Returns:
      A ruby string