From 778a9e762cba5ebb6e03b12018e354ac1b38023b Mon Sep 17 00:00:00 2001 From: Joseph Richey Date: Sun, 13 Aug 2017 17:40:15 -0700 Subject: util: Slice/Pointer conversion fits in MatInt32 --- util/util.go | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) (limited to 'util/util.go') diff --git a/util/util.go b/util/util.go index 792b66c..14d23e2 100644 --- a/util/util.go +++ b/util/util.go @@ -25,6 +25,7 @@ package util import ( "bufio" + "math" "os" "unsafe" ) @@ -40,13 +41,15 @@ func Ptr(slice []byte) unsafe.Pointer { // ByteSlice takes a pointer to some data and views it as a slice of bytes. // Note, indexing into this slice is unsafe. func ByteSlice(ptr unsafe.Pointer) []byte { - return (*[1 << 30]byte)(ptr)[:] + // Silce must fix in 32-bit address space to build on 32-bit platforms. + return (*[math.MaxInt32]byte)(ptr)[:] } // PointerSlice takes a pointer to an array of pointers and views it as a slice // of pointers. Note, indexing into this slice is unsafe. func PointerSlice(ptr unsafe.Pointer) []unsafe.Pointer { - return (*[1 << 30]unsafe.Pointer)(ptr)[:] + // Silce must fix in 32-bit address space to build on 32-bit platforms. + return (*[math.MaxInt32 / 4]unsafe.Pointer)(ptr)[:] } // Index returns the first index i such that inVal == inArray[i]. -- cgit v1.2.3