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-rwxr-xr-xmeap/meap-code/ch6/ch6-memscan-2/src/main.rs14
1 files changed, 14 insertions, 0 deletions
diff --git a/meap/meap-code/ch6/ch6-memscan-2/src/main.rs b/meap/meap-code/ch6/ch6-memscan-2/src/main.rs
new file mode 100755
index 0000000..3784436
--- /dev/null
+++ b/meap/meap-code/ch6/ch6-memscan-2/src/main.rs
@@ -0,0 +1,14 @@
+fn main() {
+ let mut n_nonzero = 0;
+
+ for i in 1..10000 { // <1>
+ let ptr = i as *const u8;
+ let byte_at_addr = unsafe { *ptr };
+
+ if byte_at_addr != 0 {
+ n_nonzero += 1;
+ }
+ }
+
+ println!("non-zero bytes in memory: {}", n_nonzero);
+} \ No newline at end of file