From 1d0cbc0a05a3bb5526281bcd58a45a04c827199d Mon Sep 17 00:00:00 2001
From: "Mayeul@Zama" <69792125+mayeul-zama@users.noreply.github.com>
Date: Mon, 28 Oct 2024 18:31:49 +0100
Subject: [PATCH] fix(strings): fix underflow

---
 tfhe/src/strings/server_key/pattern/split/mod.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tfhe/src/strings/server_key/pattern/split/mod.rs b/tfhe/src/strings/server_key/pattern/split/mod.rs
index 5c5cbef221..2dd367f311 100644
--- a/tfhe/src/strings/server_key/pattern/split/mod.rs
+++ b/tfhe/src/strings/server_key/pattern/split/mod.rs
@@ -427,7 +427,7 @@ impl FheStringIterator for SplitNInternal {
         // `not_exceeded` false such that next calls are always None
         match &self.n {
             UIntArg::Clear(clear_n) => {
-                if self.counter >= clear_n - 1 {
+                if self.counter + 1 >= *clear_n {
                     result = state;
                     self.not_exceeded = sk.create_trivial_boolean_block(false);
                 }