From 074ec5b4a1977ca28278218e124b175f808f357e Mon Sep 17 00:00:00 2001
From: tracer-ysyx <tracer@ysyx.org>
Date: Thu, 8 Feb 2024 18:59:10 +0800
Subject: [PATCH] =?UTF-8?q?>=20compile=20NEMU=20ysyx=5F22040000=20?=
 =?UTF-8?q?=E6=9D=8E=E5=BF=83=E6=9D=A8=20Linux=20calcite=206.1.75=20#1-Nix?=
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---
 nemu/src/monitor/sdb/watchpoint.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/nemu/src/monitor/sdb/watchpoint.c b/nemu/src/monitor/sdb/watchpoint.c
index 0492c69..aca5238 100644
--- a/nemu/src/monitor/sdb/watchpoint.c
+++ b/nemu/src/monitor/sdb/watchpoint.c
@@ -76,13 +76,14 @@ int wp_add(char * expr) {
     tail->next = wp;
     tail = wp;
   }
-  int len = strlen(expr);
+  int len = strlen(expr) + 1;
   wp->expr = malloc(len * sizeof(char));
   if (wp->expr == NULL) {
     Error("Failed to allocate memory for expression");
     return 1;
   }
-  strncpy(wp->expr, expr, len - 1);
+  strncpy(wp->expr, expr, len);
+  wp->expr[len - 1] = '\0';
   return 0;
 }