From 6a05ddf63d1202456a37e970e5a9ab58370ed093 Mon Sep 17 00:00:00 2001
From: Meco Man <920369182@qq.com>
Date: Thu, 30 Jun 2022 21:17:43 -0400
Subject: [PATCH] =?UTF-8?q?=E8=A7=A3=E5=86=B3=E5=B0=86RT=5FNULL=E5=BD=93?=
 =?UTF-8?q?=E5=81=9A=E6=95=B0=E5=AD=970=E4=BD=BF=E7=94=A8=E7=9A=84?=
 =?UTF-8?q?=E9=97=AE=E9=A2=98?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 components/finsh/msh_file.c              | 2 +-
 components/libc/compilers/common/ctime.c | 4 ++--
 components/libc/posix/pthreads/pthread.c | 2 +-
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/components/finsh/msh_file.c b/components/finsh/msh_file.c
index 9deab4f0bc..7b1a9f8f01 100644
--- a/components/finsh/msh_file.c
+++ b/components/finsh/msh_file.c
@@ -608,7 +608,7 @@ MSH_CMD_EXPORT_ALIAS(cmd_echo, echo, echo string to file);
 static int cmd_tail(int argc, char **argv)
 {
     int fd;
-    char c = RT_NULL;
+    char c = '\0';
     char *file_name = RT_NULL;
     rt_uint32_t total_lines = 0;
     rt_uint32_t target_line = 0;
diff --git a/components/libc/compilers/common/ctime.c b/components/libc/compilers/common/ctime.c
index 6cef1e222d..8d22dab0c0 100644
--- a/components/libc/compilers/common/ctime.c
+++ b/components/libc/compilers/common/ctime.c
@@ -180,7 +180,7 @@ struct tm *gmtime_r(const time_t *timep, struct tm *r)
         return RT_NULL;
     }
 
-    rt_memset(r, RT_NULL, sizeof(struct tm));
+    rt_memset(r, 0, sizeof(struct tm));
 
     r->tm_sec = work % 60;
     work /= 60;
@@ -258,7 +258,7 @@ char* asctime_r(const struct tm *t, char *buf)
         return RT_NULL;
     }
 
-    rt_memset(buf, RT_NULL, 26);
+    rt_memset(buf, 0, 26);
 
     /* Checking input validity */
     if ((int)rt_strlen(days) <= (t->tm_wday << 2) || (int)rt_strlen(months) <= (t->tm_mon << 2))
diff --git a/components/libc/posix/pthreads/pthread.c b/components/libc/posix/pthreads/pthread.c
index a7dcc9ee7c..355cbf0f8f 100644
--- a/components/libc/posix/pthreads/pthread.c
+++ b/components/libc/posix/pthreads/pthread.c
@@ -136,7 +136,7 @@ void _pthread_data_destroy(_pthread_data_t *ptd)
         ptd->magic = 0x0;
 
         /* clear the "ptd->tid->user_data" */
-        ptd->tid->user_data = RT_NULL;
+        ptd->tid->user_data = 0;
 
         /* free ptd */
         rt_free(ptd);
-- 
GitLab