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-rw-r--r--libio/bits/stdio.h9
1 files changed, 7 insertions, 2 deletions
diff --git a/libio/bits/stdio.h b/libio/bits/stdio.h
index 4d23f28db0..49303c6900 100644
--- a/libio/bits/stdio.h
+++ b/libio/bits/stdio.h
@@ -21,7 +21,7 @@
# error "Never include <bits/stdio.h> directly; use <stdio.h> instead."
#endif
-#ifdef __cplusplus
+#ifndef __extern_inline
# define __STDIO_INLINE inline
#else
# define __STDIO_INLINE __extern_inline
@@ -29,12 +29,16 @@
#ifdef __USE_EXTERN_INLINES
+/* For -D_FORTIFY_SOURCE{,=2} bits/stdio2.h will define a different
+ inline. */
+# if !(__USE_FORTIFY_LEVEL > 0 && defined __extern_always_inline)
/* Write formatted output to stdout from argument list ARG. */
__STDIO_INLINE int
vprintf (__const char *__restrict __fmt, _G_va_list __arg)
{
return vfprintf (stdout, __fmt, __arg);
}
+# endif
/* Read a character from stdin. */
__STDIO_INLINE int
@@ -135,7 +139,8 @@ __NTH (ferror_unlocked (FILE *__stream))
#endif /* Use extern inlines. */
-#if defined __USE_MISC && defined __GNUC__ && defined __OPTIMIZE__
+#if defined __USE_MISC && defined __GNUC__ && defined __OPTIMIZE__ \
+ && !defined __cplusplus
/* Perform some simple optimizations. */
# define fread_unlocked(ptr, size, n, stream) \
(__extension__ ((__builtin_constant_p (size) && __builtin_constant_p (n) \