[armlibc] solve the compiling error

mysterywolf · mysterywolf · commit b04076d8aa49 · 2022-08-17T23:48:05.000-04:00
report in #6300
diff --git a/components/libc/compilers/armlibc/syscalls.c b/components/libc/compilers/armlibc/syscalls.c
@@ -253,7 +253,12 @@ int _sys_write(FILEHANDLE fh, const unsigned char *buf, unsigned len, int mode)
  */
 int _sys_ensure(FILEHANDLE fh)
 {
+#ifdef DFS_USING_POSIX
     return fsync(fh);
+#else
+    LOG_W("%s: %s", __func__, _WARNING_WITHOUT_FS);
+    return 0; /* error */
+#endif /* DFS_USING_POSIX */
 }
 
 /*

Original file line number	Diff line number	Diff line change
`@@ -253,7 +253,12 @@ int _sys_write(FILEHANDLE fh, const unsigned char *buf, unsigned len, int mode)`
`253`	`253`	`*/`
`254`	`254`	`int _sys_ensure(FILEHANDLE fh)`
`255`	`255`	`{`
	`256`	`+#ifdef DFS_USING_POSIX`
`256`	`257`	`return fsync(fh);`
	`258`	`+#else`
	`259`	`+ LOG_W("%s: %s", __func__, _WARNING_WITHOUT_FS);`
	`260`	`+ return 0; /* error */`
	`261`	`+#endif /* DFS_USING_POSIX */`
`257`	`262`	`}`
`258`	`263`
`259`	`264`	`/*`