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authorPaul Pluzhnikov <ppluzhnikov@google.com>2015-08-12 18:56:08 -0700
committerPaul Pluzhnikov <ppluzhnikov@google.com>2015-08-12 18:56:08 -0700
commit8a29509dd9aa179bfe4ef96d49d72f6816ec878f (patch)
tree3adc134bbc346804b13acf375b1dfa287225ea44 /libio/wfiledoalloc.c
parent84895dca70f972df3842fb88f7b33b5d695cc599 (diff)
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Fix BZ #16734 -- fopen calls mmap to allocate its buffer
Diffstat (limited to 'libio/wfiledoalloc.c')
-rw-r--r--libio/wfiledoalloc.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/libio/wfiledoalloc.c b/libio/wfiledoalloc.c
index 12425fd5a7..4acf3f8fc7 100644
--- a/libio/wfiledoalloc.c
+++ b/libio/wfiledoalloc.c
@@ -95,7 +95,9 @@ _IO_wfile_doallocate (fp)
   size = fp->_IO_buf_end - fp->_IO_buf_base;
   if ((fp->_flags & _IO_USER_BUF))
     size = (size + sizeof (wchar_t) - 1) / sizeof (wchar_t);
-  ALLOC_WBUF (p, size * sizeof (wchar_t), EOF);
+  p = malloc (size * sizeof (wchar_t));
+  if (__glibc_unlikely (p == NULL))
+    return EOF;
   _IO_wsetb (fp, p, p + size, 1);
   return 1;
 }