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-rw-r--r--lib/stdio.in.h14
1 files changed, 12 insertions, 2 deletions
diff --git a/lib/stdio.in.h b/lib/stdio.in.h
index d6af99ca77d..06cbad00d3d 100644
--- a/lib/stdio.in.h
+++ b/lib/stdio.in.h
@@ -579,13 +579,23 @@ _GL_CXXALIAS_SYS (fwrite, size_t,
<http://sources.redhat.com/bugzilla/show_bug.cgi?id=11959>,
which sometimes causes an unwanted diagnostic for fwrite calls.
This affects only function declaration attributes under certain
- versions of gcc, and is not needed for C++. */
+ versions of gcc and clang, and is not needed for C++. */
# if (0 < __USE_FORTIFY_LEVEL \
&& __GLIBC__ == 2 && 4 <= __GLIBC_MINOR__ && __GLIBC_MINOR__ <= 15 \
&& 3 < __GNUC__ + (4 <= __GNUC_MINOR__) \
&& !defined __cplusplus)
# undef fwrite
-# define fwrite(a, b, c, d) ({size_t __r = fwrite (a, b, c, d); __r; })
+# undef fwrite_unlocked
+extern size_t __REDIRECT (rpl_fwrite,
+ (const void *__restrict, size_t, size_t,
+ FILE *__restrict),
+ fwrite);
+extern size_t __REDIRECT (rpl_fwrite_unlocked,
+ (const void *__restrict, size_t, size_t,
+ FILE *__restrict),
+ fwrite_unlocked);
+# define fwrite rpl_fwrite
+# define fwrite_unlocked rpl_fwrite_unlocked
# endif
# endif
_GL_CXXALIASWARN (fwrite);