Corruption will affect any byte in the packet

Signed-off-by: Olivier Tilmans <[email protected]>
cnp3 · Nov 24, 2015 · 44a0549 · 44a0549
1 parent bbb3c4a
commit 44a0549
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/link_sim.c b/link_sim.c
@@ -153,8 +153,9 @@ static inline int simulate_link(char *buf, int len)
  len = 4;
  /* or do we corrupt it? */
  } else if (err_rate && RAND_PERCENT < err_rate) {
- LOG_PKT(buf, "Corrupting packet");
- buf[len - 1] = ~buf[len - 1]; /* invert last byte of the CRC */
+ int idx = rand() % len;
+ LOG_PKT_FMT(buf, "Corrupting packet: inverted byte #%d\n", idx);
+ buf[idx] = ~buf[idx];
  }
  /* Do we want to simulate delay? */
  if (delay) {