fix: 内核告警清理

【背景】
内核告警清理

【修改方案】
删去了多余的空格，更改了魔数字

【影响】
对现有的产品编译不会有影响。
Signed-off-by: Nyinjiaming <yinjiaming@huawei.com>
Change-Id: Iba21be6cb23027dfb369576847d7d21e85f936b4

net/lwip-2.1/enhancement/src/api_shell.c

@@ -356,7 +356,7 @@ int print_netif(struct netif *netif, char *print_buf, unsigned int buf_len)
         buf_len -= (unsigned int)ret;
     }
 
-    ret = snprintf_s(tmp, buf_len, (buf_len - 1), " %s\n", 
+    ret = snprintf_s(tmp, buf_len, (buf_len - 1), " %s\n",
                      (netif->flags & NETIF_FLAG_LINK_UP) ? "Link UP" : "Link Down");
     if ((ret <= 0) || ((unsigned int)ret >= buf_len))
         goto out;

testsuites/unittest/basic/mem/shm/full/shm_test_002.cpp

 /*
  * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
- * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+ * Copyright (c) 2020-2022 Huawei Device Co., Ltd. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without modification,
  * are permitted provided that the following conditions are met:
@@ -31,6 +31,7 @@
 #include "it_test_shm.h"
 
 #define SHMID_MAX 192
+#define SHM_FLAG 0777
 
 static int Testcase(VOID)
 {
@@ -44,24 +45,24 @@ static int Testcase(VOID)
     ICUNIT_ASSERT_EQUAL(ret, SHMID_MAX, ret);
     leftShmIds = SHMID_MAX - shmInfo.used_ids;
 
-    shmid[0] = shmget((key_t)0x1234, PAGE_SIZE, 0777 | IPC_CREAT);
+    shmid[0] = shmget((key_t)0x1234, PAGE_SIZE, SHM_FLAG | IPC_CREAT); // 0x1234: a key used to create shared memory
     ICUNIT_ASSERT_NOT_EQUAL(shmid[0], -1, shmid[0]);
 
     ret = shmctl(shmid[0], IPC_RMID, NULL);
     ICUNIT_ASSERT_EQUAL(ret, 0, ret);
 
-    shmid[0] = shmget(IPC_PRIVATE, PAGE_SIZE, 0777 | IPC_CREAT);
+    shmid[0] = shmget(IPC_PRIVATE, PAGE_SIZE, SHM_FLAG | IPC_CREAT);
     ICUNIT_ASSERT_NOT_EQUAL(shmid[0], -1, shmid[0]);
 
     ret = shmctl(shmid[0], IPC_RMID, NULL);
     ICUNIT_ASSERT_EQUAL(ret, 0, ret);
 
     for (i = 0; i < leftShmIds; i++) {
-        shmid[i] = shmget(IPC_PRIVATE, PAGE_SIZE, 0777 | IPC_CREAT);
+        shmid[i] = shmget(IPC_PRIVATE, PAGE_SIZE, SHM_FLAG | IPC_CREAT);
         ICUNIT_ASSERT_NOT_EQUAL(shmid[i], -1, shmid[i]);
     }
 
-    shmid[leftShmIds] = shmget(IPC_PRIVATE, PAGE_SIZE, 0777 | IPC_CREAT);
+    shmid[leftShmIds] = shmget(IPC_PRIVATE, PAGE_SIZE, SHM_FLAG | IPC_CREAT);
     ICUNIT_ASSERT_EQUAL(shmid[leftShmIds], -1, shmid[leftShmIds]);
 
     for (i = 0; i < leftShmIds; i++) {

testsuites/unittest/libc/time/clock/lt_clock_test.h

 /*
  * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
- * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+ * Copyright (c) 2020-2022 Huawei Device Co., Ltd. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without modification,
  * are permitted provided that the following conditions are met:
@@ -41,7 +41,7 @@
 #define CLOCK_RES_NSEC 1000
 #define CLOCK_COARSE_RES_SEC 0
 #define CLOCK_COARSE_RES_NSEC 1000000
-#define CLOCK_GET_CPU_CLOCKID(pid) ((-pid - 1) * 8U + 2)
+#define CLOCK_GET_CPU_CLOCKID(pid) ((-(pid) - 1) * 8U + 2)
 
 void ClockTestSmoke(void);
 void ClockTest001(void);