> compile NEMU

221220000 张三
Linux zzy 5.15.146.1-microsoft-standard-WSL2 #1 SMP Thu Jan 11 04:09:03 UTC 2024 x86_64 x86_64 x86_64 GNU/Linux
 19:30:48 up 18:21,  1 user,  load average: 0.46, 0.28, 0.17

nemu/src/monitor/sdb/sdb.c

@@ -231,6 +231,7 @@ void _test_expr() {
 
   pos += strlen(pos) + 1;
   bool success = false;
+  pos[strlen(pos) - 1] = '\0';
   res = expr(pos, &success);
   if (res == expect) {
     fprintf(stdout, "test_expr True  :");