closes #261

src/misc_utils.jl

@@ -174,6 +174,19 @@ function filecmp(path1::AbstractString, path2::AbstractString)
     if !(isfile(stat1) && isfile(stat2)) || filesize(stat1) != filesize(stat2)
         return false
     end
+
+    compare_buffers(b1, b2, n) = begin
+        if VERSION > v"1.10.0-"
+            Base.memcmp(
+                Base.unsafe_convert(Ptr{UInt8}, b1),
+                Base.unsafe_convert(Ptr{UInt8}, b2),
+                n
+            )
+        else
+            Base._memcmp(b1, b2, n)
+        end
+    end
+
     stat1 == stat2 && return true # same file
     open(path1, "r") do file1
         open(path2, "r") do file2
@@ -183,7 +196,7 @@ function filecmp(path1::AbstractString, path2::AbstractString)
                 n1 = readbytes!(file1, buf1)
                 n2 = readbytes!(file2, buf2)
                 n1 != n2 && return false
-                0 != Base._memcmp(buf1, buf2, n1) && return false
+                0 != compare_buffers(buf1, buf2, n1) && return false
             end
             return eof(file1) == eof(file2)
         end