[libc] 修复difftime函数在IAR下的编译错误

2022-07-17 02:58:43 -04:00 · 2022-07-17 02:58:43 -04:00 · a924da830e
commit a924da830e
parent ddec9facd5
1 changed files with 2 additions and 0 deletions
--- a/components/libc/compilers/common/ctime.c
+++ b/components/libc/compilers/common/ctime.c
@ -324,10 +324,12 @@ char* ctime(const time_t *tim_p)
 }
 RTM_EXPORT(ctime);

+#ifndef __ICCARM__
 double difftime(time_t time1, time_t time2)
 {
    return (double)(time1 - time2);
 }
+#endif /* __ICCARM__ */
 RTM_EXPORT(difftime);

 RTM_EXPORT(strftime); /* inherent in the toolchain */