1 files changed, 0 insertions, 62 deletions
diff --git a/vendor/github.com/cilium/ebpf/internal/io.go b/vendor/github.com/cilium/ebpf/internal/io.go
deleted file mode 100644
index 30b6641f0..000000000
--- a/vendor/github.com/cilium/ebpf/internal/io.go
+++ /dev/null
@@ -1,62 +0,0 @@
-package internal
-
-import (
-	"bufio"
-	"compress/gzip"
-	"errors"
-	"io"
-	"os"
-)
-
-// NewBufferedSectionReader wraps an io.ReaderAt in an appropriately-sized
-// buffered reader. It is a convenience function for reading subsections of
-// ELF sections while minimizing the amount of read() syscalls made.
-//
-// Syscall overhead is non-negligible in continuous integration context
-// where ELFs might be accessed over virtual filesystems with poor random
-// access performance. Buffering reads makes sense because (sub)sections
-// end up being read completely anyway.
-//
-// Use instead of the r.Seek() + io.LimitReader() pattern.
-func NewBufferedSectionReader(ra io.ReaderAt, off, n int64) *bufio.Reader {
-	// Clamp the size of the buffer to one page to avoid slurping large parts
-	// of a file into memory. bufio.NewReader uses a hardcoded default buffer
-	// of 4096. Allow arches with larger pages to allocate more, but don't
-	// allocate a fixed 4k buffer if we only need to read a small segment.
-	buf := n
-	if ps := int64(os.Getpagesize()); n > ps {
-		buf = ps
-	}
-
-	return bufio.NewReaderSize(io.NewSectionReader(ra, off, n), int(buf))
-}
-
-// DiscardZeroes makes sure that all written bytes are zero
-// before discarding them.
-type DiscardZeroes struct{}
-
-func (DiscardZeroes) Write(p []byte) (int, error) {
-	for _, b := range p {
-		if b != 0 {
-			return 0, errors.New("encountered non-zero byte")
-		}
-	}
-	return len(p), nil
-}
-
-// ReadAllCompressed decompresses a gzipped file into memory.
-func ReadAllCompressed(file string) ([]byte, error) {
-	fh, err := os.Open(file)
-	if err != nil {
-		return nil, err
-	}
-	defer fh.Close()
-
-	gz, err := gzip.NewReader(fh)
-	if err != nil {
-		return nil, err
-	}
-	defer gz.Close()
-
-	return io.ReadAll(gz)
-}