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	[chore]: Bump github.com/KimMachineGun/automemlimit from 0.2.4 to 0.2.5 (#1666)
Bumps [github.com/KimMachineGun/automemlimit](https://github.com/KimMachineGun/automemlimit) from 0.2.4 to 0.2.5. - [Release notes](https://github.com/KimMachineGun/automemlimit/releases) - [Commits](https://github.com/KimMachineGun/automemlimit/compare/v0.2.4...v0.2.5) --- updated-dependencies: - dependency-name: github.com/KimMachineGun/automemlimit dependency-type: direct:production update-type: version-update:semver-patch ... Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
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							|  | @ -1,6 +1,35 @@ | |||
| package internal | ||||
| 
 | ||||
| import "errors" | ||||
| 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. | ||||
|  | @ -14,3 +43,20 @@ func (DiscardZeroes) Write(p []byte) (int, error) { | |||
| 	} | ||||
| 	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) | ||||
| } | ||||
|  |  | |||
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