msvcrt: Free old buffer properly in setvbuf.

96142839 · Grazvydas Ignotas · Alexandre Julliard · ae6efdd4 · 96142839
Commit 96142839 authored Jun 14, 2014 by Grazvydas Ignotas Committed by Alexandre Julliard Jun 17, 2014
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file.c dlls/msvcrt/file.c +4 -1

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--- a/dlls/msvcrt/file.c
+++ b/dlls/msvcrt/file.c
@@ -4465,7 +4465,10 @@ int CDECL MSVCRT_setvbuf(MSVCRT_FILE* file, char *buf, int mode, MSVCRT_size_t s
 {
  MSVCRT__lock_file(file);
  if(file->_bufsiz) {
-	MSVCRT_free(file->_base);
+	if(file->_flag & MSVCRT__IOMYBUF)
+		MSVCRT_free(file->_base);
+	file->_flag &= ~MSVCRT__IOMYBUF;
+	file->_base = file->_ptr = NULL;
 	file->_bufsiz = 0;
 	file->_cnt = 0;
  }