From bb35f07bf2558bd655312926ea92a82b70e9274f Mon Sep 17 00:00:00 2001
From: Meco Man <920369182@qq.com>
Date: Sun, 14 Feb 2021 18:46:55 +0800
Subject: [PATCH] implement _sys_tmpnam()

---
 components/libc/compilers/armlibc/{stubs.c => syscalls.c} | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
 rename components/libc/compilers/armlibc/{stubs.c => syscalls.c} (98%)

diff --git a/components/libc/compilers/armlibc/stubs.c b/components/libc/compilers/armlibc/syscalls.c
similarity index 98%
rename from components/libc/compilers/armlibc/stubs.c
rename to components/libc/compilers/armlibc/syscalls.c
index ed328e20e3..e0f06b2214 100644
--- a/components/libc/compilers/armlibc/stubs.c
+++ b/components/libc/compilers/armlibc/syscalls.c
@@ -12,6 +12,7 @@
  * 2020-08-05     Meco Man     fixed _sys_flen() compiling-warning when 
  *                             RT_USING_DFS is not defined
  * 2020-02-13     Meco Man     re-implement exit() and abort()
+ * 2020-02-14     Meco Man     implement _sys_tmpnam()
  */
 
 #include <string.h>
@@ -234,7 +235,8 @@ int _sys_seek(FILEHANDLE fh, long pos)
  */
 int _sys_tmpnam(char *name, int fileno, unsigned maxlength)
 {
-    return -1;
+    rt_snprintf(name, maxlength, "tem%03d", fileno);
+    return 1;
 }
 
 char *_sys_command_string(char *cmd, int len)