diff options
author | gVisor bot <gvisor-bot@google.com> | 2020-12-11 20:14:08 +0000 |
---|---|---|
committer | gVisor bot <gvisor-bot@google.com> | 2020-12-11 20:14:08 +0000 |
commit | d9633d110ed46c1ef81d60c451173d8495c97d02 (patch) | |
tree | 3807919ae7473745b3b00dc13f8eae0174c50e44 /pkg/safemem/block_unsafe.go | |
parent | 50cc70ce45f763320a5b0981df1352f51ac73317 (diff) | |
parent | 4cba3904f414775371f86571a549454aafad19bf (diff) |
Merge release-20201208.0-31-g4cba3904f (automated)
Diffstat (limited to 'pkg/safemem/block_unsafe.go')
-rw-r--r-- | pkg/safemem/block_unsafe.go | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/pkg/safemem/block_unsafe.go b/pkg/safemem/block_unsafe.go index e7fd30743..7857f5853 100644 --- a/pkg/safemem/block_unsafe.go +++ b/pkg/safemem/block_unsafe.go @@ -68,29 +68,29 @@ func blockFromSlice(slice []byte, needSafecopy bool) Block { } } -// BlockFromSafePointer returns a Block equivalent to [ptr, ptr+len), which is +// BlockFromSafePointer returns a Block equivalent to [ptr, ptr+length), which is // safe to access without safecopy. // -// Preconditions: ptr+len does not overflow. -func BlockFromSafePointer(ptr unsafe.Pointer, len int) Block { - return blockFromPointer(ptr, len, false) +// Preconditions: ptr+length does not overflow. +func BlockFromSafePointer(ptr unsafe.Pointer, length int) Block { + return blockFromPointer(ptr, length, false) } // BlockFromUnsafePointer returns a Block equivalent to [ptr, ptr+len), which // is not safe to access without safecopy. // // Preconditions: ptr+len does not overflow. -func BlockFromUnsafePointer(ptr unsafe.Pointer, len int) Block { - return blockFromPointer(ptr, len, true) +func BlockFromUnsafePointer(ptr unsafe.Pointer, length int) Block { + return blockFromPointer(ptr, length, true) } -func blockFromPointer(ptr unsafe.Pointer, len int, needSafecopy bool) Block { - if uptr := uintptr(ptr); uptr+uintptr(len) < uptr { - panic(fmt.Sprintf("ptr %#x + len %#x overflows", ptr, len)) +func blockFromPointer(ptr unsafe.Pointer, length int, needSafecopy bool) Block { + if uptr := uintptr(ptr); uptr+uintptr(length) < uptr { + panic(fmt.Sprintf("ptr %#x + len %#x overflows", uptr, length)) } return Block{ start: ptr, - length: len, + length: length, needSafecopy: needSafecopy, } } |