magic

package

v2.0.0-...-3265299 Latest Latest Go to latest Published: Apr 5, 2024 License: MPL-2.0 Imports: 1 Imported by: 0

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Package magic implements the magic number detection for files and block devices.

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type Magic struct {
	// Value to search for.
	Value []byte

	// Offset in the file where the magic value is located.
	Offset int
}

Magic defines a filesystem/volume manager/etc magic value.

func (magic *Magic) BlockSize() int

BlockSize returns the size of the buffer that needs to be read from the disk to detect the magic value.

func (magic *Magic) Matches(buf []byte) bool

Matches returns true if the magic value is found at the specified offset in the buffer.