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[PATCH 8/9] Use PRINTF_LDBL_IS_DBL instead of __ldbl_is_dbl.


After all that prep work, nldbl-compat.c can now use PRINTF_LDBL_IS_DBL
instead of __no_long_double to control the behavior of printf-like
functions; this is the last thing we needed __no_long_double for, so it
can go away entirely.

	* stdio-common/vfprintf-internal.c
	(__vfprintf_internal, __vfwprintf_internal): Don't use __ldbl_is_dbl.
	* sysdeps/generic/math_ldbl_opt.h: Remove __ldbl_is_dbl.
	* sysdeps/ieee754/ldbl-opt/math_ldbl_opt.h: Remove __ldbl_is_dbl
	and __no_long_double.
	* sysdeps/ieee754/ldbl-opt/math_ldbl_opt.c: Remove file.
	* sysdeps/ieee754/ldbl-opt/Makefile (routines): Remove math_ldbl_opt.
	* sysdeps/ieee754/ldbl-opt/nldbl-compat.c
	(__nldbl_cleanup, set_no_long_double, clear_no_long_double): Remove.
	(__nldbl___asprintf, __nldbl_dprintf, __nldbl_fprintf)
	(__nldbl_fwprintf, __nldbl_printf, __nldbl_sprintf)
	(__nldbl_vfprintf, __nldbl___vsprintf, __nldbl_obstack_vprintf)
	(__ndlbl_obstack_printf, __nldbl_snprintf, __nldbl_swprintf)
	(__nldbl_vasprintf, __nldbl_vdprintf, __nldbl_vfwprintf)
	(__nldbl_vprintf, __nldbl_vsnprintf, __ndlbl_vswprintf)
	(__nldbl_vwprintf, __nldbl_wprintf):
	Directly call the appropriate __v*printf_internal routine, passing
	PRINTF_LDBL_IS_DBL.  Do not mess with __no_long_double. Normalize
	variable names.
	(__nldbl___fprintf_chk, __nldbl___fwprintf_chk)
	(__nldbl___printf_chk, __nldbl___snprintf_chk)
	(__nldbl___sprintf_chk, __nldbl___swprintf_chk)
	(__nldbl___vfprintf_chk, __nldbl___vfwprintf_chk)
	(__nldbl___vprintf_chk, __nldbl___vsnprintf_chk)
	(__nldbl___vsprintf_chk, __nldbl___vswprintf_chk)
	(__nldbl___vwprintf_chk, __nldbl___wprintf_chk)
	(__nldbl___vasprintf_chk, __nldbl___asprintf_chk)
	(__nldbl___vdprintf_chk, __nldbl___dprintf_chk)
	(__nldbl___obstack_vprintf_chk, __nldbl___obstack_printf_chk):
	Likewise, and also pass PRINTF_FORTIFY when appropriate.
	(__nldbl_syslog, __nldbl_vsyslog):
	Directly call __vsyslog_internal, passing PRINTF_LDBL_IS_DBL.
	(__nldbl_syslog_chk): Likewise, and also pass PRINTF_FORTIFY when
	appropriate.
	(__nldbl_vsyslog_chk): Likewise, and also pass PRINTF_FORTIFY when
	appropriate.  Remove libc_hidden_proto and libc_hidden_def.
---
 stdio-common/vfprintf-internal.c         |   4 -
 sysdeps/generic/math_ldbl_opt.h          |   1 -
 sysdeps/ieee754/ldbl-opt/Makefile        |   2 +-
 sysdeps/ieee754/ldbl-opt/math_ldbl_opt.h |   5 -
 sysdeps/ieee754/ldbl-opt/nldbl-compat.c  | 472 ++++++++++++++++---------------
 5 files changed, 238 insertions(+), 246 deletions(-)

diff --git a/stdio-common/vfprintf-internal.c b/stdio-common/vfprintf-internal.c
index e2f44b74f3..2d9016e83b 100644
--- a/stdio-common/vfprintf-internal.c
+++ b/stdio-common/vfprintf-internal.c
@@ -1282,10 +1282,6 @@ vfprintf (FILE *s, const CHAR_T *format, va_list ap, unsigned int mode_flags)
      0 if unknown.  */
   int readonly_format = 0;
 
-  /* Temporarily honor environmental settings.  */
-  if (__ldbl_is_dbl)
-    mode_flags |= PRINTF_LDBL_IS_DBL;
-
   /* Orient the stream.  */
 #ifdef ORIENT
   ORIENT;
diff --git a/sysdeps/generic/math_ldbl_opt.h b/sysdeps/generic/math_ldbl_opt.h
index 92f670dff7..fbd2c82e2f 100644
--- a/sysdeps/generic/math_ldbl_opt.h
+++ b/sysdeps/generic/math_ldbl_opt.h
@@ -15,4 +15,3 @@
 #define ldbl_weak_alias(name, aliasname) weak_alias (name, aliasname)
 #define ldbl_compat_symbol(lib, local, symbol, version) \
   compat_symbol (lib, local, symbol, version)
-#define __ldbl_is_dbl 0
diff --git a/sysdeps/ieee754/ldbl-opt/Makefile b/sysdeps/ieee754/ldbl-opt/Makefile
index 2340e4ce29..f23c6312ed 100644
--- a/sysdeps/ieee754/ldbl-opt/Makefile
+++ b/sysdeps/ieee754/ldbl-opt/Makefile
@@ -8,7 +8,7 @@ endif
 
 ifeq ($(subdir),math)
 libm-routines += s_nexttowardfd
-routines += math_ldbl_opt nldbl-compat
+routines += nldbl-compat
 
 extra-libs += libnldbl
 libnldbl-calls = asprintf dprintf fprintf fscanf fwprintf fwscanf iovfscanf \
diff --git a/sysdeps/ieee754/ldbl-opt/math_ldbl_opt.h b/sysdeps/ieee754/ldbl-opt/math_ldbl_opt.h
index ee70d085fd..2b8f3e3c10 100644
--- a/sysdeps/ieee754/ldbl-opt/math_ldbl_opt.h
+++ b/sysdeps/ieee754/ldbl-opt/math_ldbl_opt.h
@@ -42,9 +42,4 @@
 #ifndef __ASSEMBLER__
 # include <math.h>
 # include <math_private.h>
-
-/* Set temporarily to non-zero if long double should be considered
-   the same as double.  */
-extern __thread int __no_long_double attribute_tls_model_ie attribute_hidden;
-# define __ldbl_is_dbl __builtin_expect (__no_long_double, 0)
 #endif
diff --git a/sysdeps/ieee754/ldbl-opt/nldbl-compat.c b/sysdeps/ieee754/ldbl-opt/nldbl-compat.c
index f29c28e888..e9cb5d32de 100644
--- a/sysdeps/ieee754/ldbl-opt/nldbl-compat.c
+++ b/sysdeps/ieee754/ldbl-opt/nldbl-compat.c
@@ -44,7 +44,6 @@ libc_hidden_proto (__nldbl_obstack_vprintf)
 libc_hidden_proto (__nldbl___vfwprintf_chk)
 libc_hidden_proto (__nldbl___vsnprintf_chk)
 libc_hidden_proto (__nldbl___vfprintf_chk)
-libc_hidden_proto (__nldbl___vsyslog_chk)
 libc_hidden_proto (__nldbl___vsprintf_chk)
 libc_hidden_proto (__nldbl___vswprintf_chk)
 libc_hidden_proto (__nldbl___vasprintf_chk)
@@ -55,17 +54,6 @@ libc_hidden_proto (__nldbl___isoc99_vfscanf)
 libc_hidden_proto (__nldbl___isoc99_vswscanf)
 libc_hidden_proto (__nldbl___isoc99_vfwscanf)
 
-static void
-__nldbl_cleanup (void *arg)
-{
-  __no_long_double = 0;
-}
-
-#define set_no_long_double() \
-  __libc_cleanup_push (__nldbl_cleanup, NULL); __no_long_double = 1
-#define clear_no_long_double() \
-  __no_long_double = 0; __libc_cleanup_pop (0)
-
 /* Compatibility with IEEE double as long double.
    IEEE quad long double is used by default for most programs, so
    we don't need to split this into one file per function for the
@@ -75,14 +63,14 @@ int
 attribute_compat_text_section
 __nldbl___asprintf (char **string_ptr, const char *fmt, ...)
 {
-  va_list arg;
-  int done;
+  va_list ap;
+  int ret;
 
-  va_start (arg, fmt);
-  done = __nldbl_vasprintf (string_ptr, fmt, arg);
-  va_end (arg);
+  va_start (ap, fmt);
+  ret = __vasprintf_internal (string_ptr, fmt, ap, PRINTF_LDBL_IS_DBL);
+  va_end (ap);
 
-  return done;
+  return ret;
 }
 weak_alias (__nldbl___asprintf, __nldbl_asprintf)
 
@@ -90,28 +78,28 @@ int
 attribute_compat_text_section
 __nldbl_dprintf (int d, const char *fmt, ...)
 {
-  va_list arg;
-  int done;
+  va_list ap;
+  int ret;
 
-  va_start (arg, fmt);
-  done = __nldbl_vdprintf (d, fmt, arg);
-  va_end (arg);
+  va_start (ap, fmt);
+  ret = __vdprintf_internal (d, fmt, ap, PRINTF_LDBL_IS_DBL);
+  va_end (ap);
 
-  return done;
+  return ret;
 }
 
 int
 attribute_compat_text_section
 __nldbl_fprintf (FILE *stream, const char *fmt, ...)
 {
-  va_list arg;
-  int done;
+  va_list ap;
+  int ret;
 
-  va_start (arg, fmt);
-  done = __nldbl_vfprintf (stream, fmt, arg);
-  va_end (arg);
+  va_start (ap, fmt);
+  ret = __vfprintf_internal (stream, fmt, ap, PRINTF_LDBL_IS_DBL);
+  va_end (ap);
 
-  return done;
+  return ret;
 }
 weak_alias (__nldbl_fprintf, __nldbl__IO_fprintf)
 
@@ -119,28 +107,28 @@ int
 attribute_compat_text_section weak_function
 __nldbl_fwprintf (FILE *stream, const wchar_t *fmt, ...)
 {
-  va_list arg;
-  int done;
+  va_list ap;
+  int ret;
 
-  va_start (arg, fmt);
-  done = __nldbl_vfwprintf (stream, fmt, arg);
-  va_end (arg);
+  va_start (ap, fmt);
+  ret = __vfwprintf_internal (stream, fmt, ap, PRINTF_LDBL_IS_DBL);
+  va_end (ap);
 
-  return done;
+  return ret;
 }
 
 int
 attribute_compat_text_section
 __nldbl_printf (const char *fmt, ...)
 {
-  va_list arg;
-  int done;
+  va_list ap;
+  int ret;
 
-  va_start (arg, fmt);
-  done = __nldbl_vfprintf (stdout, fmt, arg);
-  va_end (arg);
+  va_start (ap, fmt);
+  ret = __vfprintf_internal (stdout, fmt, ap, PRINTF_LDBL_IS_DBL);
+  va_end (ap);
 
-  return done;
+  return ret;
 }
 strong_alias (__nldbl_printf, __nldbl__IO_printf)
 
@@ -148,14 +136,14 @@ int
 attribute_compat_text_section
 __nldbl_sprintf (char *s, const char *fmt, ...)
 {
-  va_list arg;
-  int done;
+  va_list ap;
+  int ret;
 
-  va_start (arg, fmt);
-  done = __nldbl_vsprintf (s, fmt, arg);
-  va_end (arg);
+  va_start (ap, fmt);
+  ret = __vsprintf_internal (s, -1, fmt, ap, PRINTF_LDBL_IS_DBL);
+  va_end (ap);
 
-  return done;
+  return ret;
 }
 strong_alias (__nldbl_sprintf, __nldbl__IO_sprintf)
 
@@ -163,11 +151,7 @@ int
 attribute_compat_text_section
 __nldbl_vfprintf (FILE *s, const char *fmt, va_list ap)
 {
-  int done;
-  set_no_long_double ();
-  done = __vfprintf_internal (s, fmt, ap, 0);
-  clear_no_long_double ();
-  return done;
+  return __vfprintf_internal (s, fmt, ap, PRINTF_LDBL_IS_DBL);
 }
 libc_hidden_def (__nldbl_vfprintf)
 strong_alias (__nldbl_vfprintf, __nldbl__IO_vfprintf)
@@ -176,11 +160,7 @@ int
 attribute_compat_text_section
 __nldbl___vsprintf (char *string, const char *fmt, va_list ap)
 {
-  int done;
-  __no_long_double = 1;
-  done = __vsprintf_internal (string, -1, fmt, ap, 0);
-  __no_long_double = 0;
-  return done;
+  return __vsprintf_internal (string, -1, fmt, ap, PRINTF_LDBL_IS_DBL);
 }
 strong_alias (__nldbl___vsprintf, __nldbl__IO_vsprintf)
 weak_alias (__nldbl___vsprintf, __nldbl_vsprintf)
@@ -191,11 +171,7 @@ attribute_compat_text_section
 __nldbl_obstack_vprintf (struct obstack *obstack, const char *fmt,
 			 va_list ap)
 {
-  int done;
-  __no_long_double = 1;
-  done = __obstack_vprintf_internal (obstack, fmt, ap, 0);
-  __no_long_double = 0;
-  return done;
+  return __obstack_vprintf_internal (obstack, fmt, ap, PRINTF_LDBL_IS_DBL);
 }
 libc_hidden_def (__nldbl_obstack_vprintf)
 
@@ -203,63 +179,55 @@ int
 attribute_compat_text_section
 __nldbl_obstack_printf (struct obstack *obstack, const char *fmt, ...)
 {
-  int result;
+  int ret;
   va_list ap;
   va_start (ap, fmt);
-  result = __nldbl_obstack_vprintf (obstack, fmt, ap);
+  ret = __obstack_vprintf_internal (obstack, fmt, ap, PRINTF_LDBL_IS_DBL);
   va_end (ap);
-  return result;
+  return ret;
 }
 
 int
 attribute_compat_text_section weak_function
 __nldbl_snprintf (char *s, size_t maxlen, const char *fmt, ...)
 {
-  va_list arg;
-  int done;
+  va_list ap;
+  int ret;
 
-  va_start (arg, fmt);
-  done = __nldbl_vsnprintf (s, maxlen, fmt, arg);
-  va_end (arg);
+  va_start (ap, fmt);
+  ret = __vsnprintf_internal (s, maxlen, fmt, ap, PRINTF_LDBL_IS_DBL);
+  va_end (ap);
 
-  return done;
+  return ret;
 }
 
 int
 attribute_compat_text_section
 __nldbl_swprintf (wchar_t *s, size_t n, const wchar_t *fmt, ...)
 {
-  va_list arg;
-  int done;
+  va_list ap;
+  int ret;
 
-  va_start (arg, fmt);
-  done = __nldbl_vswprintf (s, n, fmt, arg);
-  va_end (arg);
+  va_start (ap, fmt);
+  ret = __vswprintf_internal (s, n, fmt, ap, PRINTF_LDBL_IS_DBL);
+  va_end (ap);
 
-  return done;
+  return ret;
 }
 
 int
 attribute_compat_text_section weak_function
 __nldbl_vasprintf (char **result_ptr, const char *fmt, va_list ap)
 {
-  int res;
-  __no_long_double = 1;
-  res = __vasprintf_internal (result_ptr, fmt, ap, 0);
-  __no_long_double = 0;
-  return res;
+  return __vasprintf_internal (result_ptr, fmt, ap, PRINTF_LDBL_IS_DBL);
 }
 libc_hidden_def (__nldbl_vasprintf)
 
 int
 attribute_compat_text_section
-__nldbl_vdprintf (int d, const char *fmt, va_list arg)
+__nldbl_vdprintf (int d, const char *fmt, va_list ap)
 {
-  int res;
-  set_no_long_double ();
-  res = __vdprintf_internal (d, fmt, arg, 0);
-  clear_no_long_double ();
-  return res;
+  return __vdprintf_internal (d, fmt, ap, PRINTF_LDBL_IS_DBL);
 }
 libc_hidden_def (__nldbl_vdprintf)
 
@@ -267,11 +235,7 @@ int
 attribute_compat_text_section weak_function
 __nldbl_vfwprintf (FILE *s, const wchar_t *fmt, va_list ap)
 {
-  int res;
-  set_no_long_double ();
-  res = __vfwprintf_internal (s, fmt, ap, 0);
-  clear_no_long_double ();
-  return res;
+  return __vfwprintf_internal (s, fmt, ap, PRINTF_LDBL_IS_DBL);
 }
 libc_hidden_def (__nldbl_vfwprintf)
 
@@ -279,7 +243,7 @@ int
 attribute_compat_text_section
 __nldbl_vprintf (const char *fmt, va_list ap)
 {
-  return __nldbl_vfprintf (stdout, fmt, ap);
+  return __vfprintf_internal (stdout, fmt, ap, PRINTF_LDBL_IS_DBL);
 }
 
 int
@@ -287,11 +251,7 @@ attribute_compat_text_section
 __nldbl_vsnprintf (char *string, size_t maxlen, const char *fmt,
 		   va_list ap)
 {
-  int res;
-  __no_long_double = 1;
-  res = __vsnprintf_internal (string, maxlen, fmt, ap, 0);
-  __no_long_double = 0;
-  return res;
+  return __vsnprintf_internal (string, maxlen, fmt, ap, PRINTF_LDBL_IS_DBL);
 }
 libc_hidden_def (__nldbl_vsnprintf)
 weak_alias (__nldbl_vsnprintf, __nldbl___vsnprintf)
@@ -301,11 +261,7 @@ attribute_compat_text_section weak_function
 __nldbl_vswprintf (wchar_t *string, size_t maxlen, const wchar_t *fmt,
 		   va_list ap)
 {
-  int res;
-  __no_long_double = 1;
-  res = __vswprintf_internal (string, maxlen, fmt, ap, 0);
-  __no_long_double = 0;
-  return res;
+  return __vswprintf_internal (string, maxlen, fmt, ap, PRINTF_LDBL_IS_DBL);
 }
 libc_hidden_def (__nldbl_vswprintf)
 
@@ -313,21 +269,21 @@ int
 attribute_compat_text_section
 __nldbl_vwprintf (const wchar_t *fmt, va_list ap)
 {
-  return __nldbl_vfwprintf (stdout, fmt, ap);
+  return __vfwprintf_internal (stdout, fmt, ap, PRINTF_LDBL_IS_DBL);
 }
 
 int
 attribute_compat_text_section
 __nldbl_wprintf (const wchar_t *fmt, ...)
 {
-  va_list arg;
-  int done;
+  va_list ap;
+  int ret;
 
-  va_start (arg, fmt);
-  done = __nldbl_vfwprintf (stdout, fmt, arg);
-  va_end (arg);
+  va_start (ap, fmt);
+  ret = __vfwprintf_internal (stdout, fmt, ap, PRINTF_LDBL_IS_DBL);
+  va_end (ap);
 
-  return done;
+  return ret;
 }
 
 #if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_28)
@@ -490,42 +446,51 @@ int
 attribute_compat_text_section
 __nldbl___fprintf_chk (FILE *stream, int flag, const char *fmt, ...)
 {
-  va_list arg;
-  int done;
+  va_list ap;
+  int ret;
+  unsigned int mode = PRINTF_LDBL_IS_DBL;
+  if (flag > 0)
+    mode |= PRINTF_FORTIFY;
 
-  va_start (arg, fmt);
-  done = __nldbl___vfprintf_chk (stream, flag, fmt, arg);
-  va_end (arg);
+  va_start (ap, fmt);
+  ret = __vfprintf_internal (stream, fmt, ap, mode);
+  va_end (ap);
 
-  return done;
+  return ret;
 }
 
 int
 attribute_compat_text_section
 __nldbl___fwprintf_chk (FILE *stream, int flag, const wchar_t *fmt, ...)
 {
-  va_list arg;
-  int done;
+  va_list ap;
+  int ret;
+  unsigned int mode = PRINTF_LDBL_IS_DBL;
+  if (flag > 0)
+    mode |= PRINTF_FORTIFY;
 
-  va_start (arg, fmt);
-  done = __nldbl___vfwprintf_chk (stream, flag, fmt, arg);
-  va_end (arg);
+  va_start (ap, fmt);
+  ret = __vfwprintf_internal (stream, fmt, ap, mode);
+  va_end (ap);
 
-  return done;
+  return ret;
 }
 
 int
 attribute_compat_text_section
 __nldbl___printf_chk (int flag, const char *fmt, ...)
 {
-  va_list arg;
-  int done;
+  va_list ap;
+  int ret;
+  unsigned int mode = PRINTF_LDBL_IS_DBL;
+  if (flag > 0)
+    mode |= PRINTF_FORTIFY;
 
-  va_start (arg, fmt);
-  done = __nldbl___vfprintf_chk (stdout, flag, fmt, arg);
-  va_end (arg);
+  va_start (ap, fmt);
+  ret = __vfprintf_internal (stdout, fmt, ap, mode);
+  va_end (ap);
 
-  return done;
+  return ret;
 }
 
 int
@@ -533,54 +498,72 @@ attribute_compat_text_section
 __nldbl___snprintf_chk (char *s, size_t maxlen, int flag, size_t slen,
 			const char *fmt, ...)
 {
-  va_list arg;
-  int done;
+  if (__glibc_unlikely (slen < maxlen))
+    __chk_fail ();
 
-  va_start (arg, fmt);
-  done = __nldbl___vsnprintf_chk (s, maxlen, flag, slen, fmt, arg);
-  va_end (arg);
+  va_list ap;
+  int ret;
+  unsigned int mode = PRINTF_LDBL_IS_DBL;
+  if (flag > 0)
+    mode |= PRINTF_FORTIFY;
 
-  return done;
+  va_start (ap, fmt);
+  ret = __vsnprintf_internal (s, maxlen, fmt, ap, mode);
+  va_end (ap);
+
+  return ret;
 }
 
 int
 attribute_compat_text_section
 __nldbl___sprintf_chk (char *s, int flag, size_t slen, const char *fmt, ...)
 {
-  va_list arg;
-  int done;
+  if (slen == 0)
+    __chk_fail ();
+
+  va_list ap;
+  int ret;
+  unsigned int mode = PRINTF_LDBL_IS_DBL;
+  if (flag > 0)
+    mode |= PRINTF_FORTIFY;
 
-  va_start (arg, fmt);
-  done = __nldbl___vsprintf_chk (s, flag, slen, fmt, arg);
-  va_end (arg);
+  va_start (ap, fmt);
+  ret = __vsprintf_internal (s, slen, fmt, ap, mode);
+  va_end (ap);
 
-  return done;
+  return ret;
 }
 
 int
 attribute_compat_text_section
-__nldbl___swprintf_chk (wchar_t *s, size_t n, int flag, size_t slen,
+__nldbl___swprintf_chk (wchar_t *s, size_t maxlen, int flag, size_t slen,
 			const wchar_t *fmt, ...)
 {
-  va_list arg;
-  int done;
+  if (__glibc_unlikely (slen < maxlen))
+    __chk_fail ();
+
+  va_list ap;
+  int ret;
+  unsigned int mode = PRINTF_LDBL_IS_DBL;
+  if (flag > 0)
+    mode |= PRINTF_FORTIFY;
 
-  va_start (arg, fmt);
-  done = __nldbl___vswprintf_chk (s, n, flag, slen, fmt, arg);
-  va_end (arg);
+  va_start (ap, fmt);
+  ret = __vswprintf_internal (s, maxlen, fmt, ap, mode);
+  va_end (ap);
 
-  return done;
+  return ret;
 }
 
 int
 attribute_compat_text_section
 __nldbl___vfprintf_chk (FILE *s, int flag, const char *fmt, va_list ap)
 {
-  int res;
-  set_no_long_double ();
-  res = __vfprintf_internal (s, fmt, ap, (flag > 0) ? PRINTF_FORTIFY : 0);
-  clear_no_long_double ();
-  return res;
+  unsigned int mode = PRINTF_LDBL_IS_DBL;
+  if (flag > 0)
+    mode |= PRINTF_FORTIFY;
+
+  return __vfprintf_internal (s, fmt, ap, mode);
 }
 libc_hidden_def (__nldbl___vfprintf_chk)
 
@@ -588,11 +571,11 @@ int
 attribute_compat_text_section
 __nldbl___vfwprintf_chk (FILE *s, int flag, const wchar_t *fmt, va_list ap)
 {
-  int res;
-  set_no_long_double ();
-  res = __vfwprintf_internal (s, fmt, ap, (flag > 0) ? PRINTF_FORTIFY : 0);
-  clear_no_long_double ();
-  return res;
+  unsigned int mode = PRINTF_LDBL_IS_DBL;
+  if (flag > 0)
+    mode |= PRINTF_FORTIFY;
+
+  return __vfwprintf_internal (s, fmt, ap, mode);
 }
 libc_hidden_def (__nldbl___vfwprintf_chk)
 
@@ -600,7 +583,11 @@ int
 attribute_compat_text_section
 __nldbl___vprintf_chk (int flag, const char *fmt, va_list ap)
 {
-  return __nldbl___vfprintf_chk (stdout, flag, fmt, ap);
+  unsigned int mode = PRINTF_LDBL_IS_DBL;
+  if (flag > 0)
+    mode |= PRINTF_FORTIFY;
+
+  return __vfprintf_internal (stdout, fmt, ap, mode);
 }
 
 int
@@ -611,12 +598,11 @@ __nldbl___vsnprintf_chk (char *string, size_t maxlen, int flag, size_t slen,
   if (__glibc_unlikely (slen < maxlen))
     __chk_fail ();
 
-  int res;
-  __no_long_double = 1;
-  res = __vsnprintf_internal (string, maxlen, fmt, ap,
-			      (flag > 0) ? PRINTF_FORTIFY : 0);
-  __no_long_double = 0;
-  return res;
+  unsigned int mode = PRINTF_LDBL_IS_DBL;
+  if (flag > 0)
+    mode |= PRINTF_FORTIFY;
+
+  return __vsnprintf_internal (string, maxlen, fmt, ap, mode);
 }
 libc_hidden_def (__nldbl___vsnprintf_chk)
 
@@ -628,12 +614,11 @@ __nldbl___vsprintf_chk (char *string, int flag, size_t slen, const char *fmt,
   if (slen == 0)
     __chk_fail ();
 
-  int res;
-  __no_long_double = 1;
-  res = __vsprintf_internal (string, slen, fmt, ap,
-			     (flag > 0) ? PRINTF_FORTIFY : 0);
-  __no_long_double = 0;
-  return res;
+  unsigned int mode = PRINTF_LDBL_IS_DBL;
+  if (flag > 0)
+    mode |= PRINTF_FORTIFY;
+
+  return __vsprintf_internal (string, slen, fmt, ap, mode);
 }
 libc_hidden_def (__nldbl___vsprintf_chk)
 
@@ -645,12 +630,11 @@ __nldbl___vswprintf_chk (wchar_t *string, size_t maxlen, int flag, size_t slen,
   if (__glibc_unlikely (slen < maxlen))
     __chk_fail ();
 
-  int res;
-  __no_long_double = 1;
-  res = __vswprintf_internal (string, maxlen, fmt, ap,
-			      (flag > 0) ? PRINTF_FORTIFY : 0);
-  __no_long_double = 0;
-  return res;
+  unsigned int mode = PRINTF_LDBL_IS_DBL;
+  if (flag > 0)
+    mode |= PRINTF_FORTIFY;
+
+  return __vswprintf_internal (string, maxlen, fmt, ap, mode);
 }
 libc_hidden_def (__nldbl___vswprintf_chk)
 
@@ -658,33 +642,39 @@ int
 attribute_compat_text_section
 __nldbl___vwprintf_chk (int flag, const wchar_t *fmt, va_list ap)
 {
-  return __nldbl___vfwprintf_chk (stdout, flag, fmt, ap);
+  unsigned int mode = PRINTF_LDBL_IS_DBL;
+  if (flag > 0)
+    mode |= PRINTF_FORTIFY;
+
+  return __vfwprintf_internal (stdout, fmt, ap, mode);
 }
 
 int
 attribute_compat_text_section
 __nldbl___wprintf_chk (int flag, const wchar_t *fmt, ...)
 {
-  va_list arg;
-  int done;
+  va_list ap;
+  int ret;
+  unsigned int mode = PRINTF_LDBL_IS_DBL;
+  if (flag > 0)
+    mode |= PRINTF_FORTIFY;
 
-  va_start (arg, fmt);
-  done = __nldbl___vfwprintf_chk (stdout, flag, fmt, arg);
-  va_end (arg);
+  va_start (ap, fmt);
+  ret = __vfwprintf_internal (stdout, fmt, ap, mode);
+  va_end (ap);
 
-  return done;
+  return ret;
 }
 
 int
 attribute_compat_text_section
-__nldbl___vasprintf_chk (char **ptr, int flag, const char *fmt, va_list arg)
+__nldbl___vasprintf_chk (char **ptr, int flag, const char *fmt, va_list ap)
 {
-  int res;
-  __no_long_double = 1;
-  res = __vasprintf_internal (ptr, fmt, arg,
-			      (flag > 0) ? PRINTF_FORTIFY : 0);
-  __no_long_double = 0;
-  return res;
+  unsigned int mode = PRINTF_LDBL_IS_DBL;
+  if (flag > 0)
+    mode |= PRINTF_FORTIFY;
+
+  return __vasprintf_internal (ptr, fmt, ap, mode);
 }
 libc_hidden_def (__nldbl___vasprintf_chk)
 
@@ -692,25 +682,28 @@ int
 attribute_compat_text_section
 __nldbl___asprintf_chk (char **ptr, int flag, const char *fmt, ...)
 {
-  va_list arg;
-  int done;
+  va_list ap;
+  int ret;
+  unsigned int mode = PRINTF_LDBL_IS_DBL;
+  if (flag > 0)
+    mode |= PRINTF_FORTIFY;
 
-  va_start (arg, fmt);
-  done = __nldbl___vasprintf_chk (ptr, flag, fmt, arg);
-  va_end (arg);
+  va_start (ap, fmt);
+  ret = __vasprintf_internal (ptr, fmt, ap, mode);
+  va_end (ap);
 
-  return done;
+  return ret;
 }
 
 int
 attribute_compat_text_section
-__nldbl___vdprintf_chk (int d, int flag, const char *fmt, va_list arg)
+__nldbl___vdprintf_chk (int d, int flag, const char *fmt, va_list ap)
 {
-  int res;
-  set_no_long_double ();
-  res = __vdprintf_internal (d, fmt, arg, (flag > 0) ? PRINTF_FORTIFY : 0);
-  clear_no_long_double ();
-  return res;
+  unsigned int mode = PRINTF_LDBL_IS_DBL;
+  if (flag > 0)
+    mode |= PRINTF_FORTIFY;
+
+  return __vdprintf_internal (d, fmt, ap, mode);
 }
 libc_hidden_def (__nldbl___vdprintf_chk)
 
@@ -718,27 +711,29 @@ int
 attribute_compat_text_section
 __nldbl___dprintf_chk (int d, int flag, const char *fmt, ...)
 {
-  va_list arg;
-  int done;
+  va_list ap;
+  int ret;
+  unsigned int mode = PRINTF_LDBL_IS_DBL;
+  if (flag > 0)
+    mode |= PRINTF_FORTIFY;
 
-  va_start (arg, fmt);
-  done = __nldbl___vdprintf_chk (d, flag, fmt, arg);
-  va_end (arg);
+  va_start (ap, fmt);
+  ret = __vdprintf_internal (d, fmt, ap, mode);
+  va_end (ap);
 
-  return done;
+  return ret;
 }
 
 int
 attribute_compat_text_section
 __nldbl___obstack_vprintf_chk (struct obstack *obstack, int flag,
-			       const char *fmt, va_list arg)
+			       const char *fmt, va_list ap)
 {
-  int res;
-  __no_long_double = 1;
-  res = __obstack_vprintf_internal (obstack, fmt, arg,
-				    (flag > 0) ? PRINTF_FORTIFY : 0);
-  __no_long_double = 0;
-  return res;
+  unsigned int mode = PRINTF_LDBL_IS_DBL;
+  if (flag > 0)
+    mode |= PRINTF_FORTIFY;
+
+  return __obstack_vprintf_internal (obstack, fmt, ap, mode);
 }
 libc_hidden_def (__nldbl___obstack_vprintf_chk)
 
@@ -747,14 +742,17 @@ attribute_compat_text_section
 __nldbl___obstack_printf_chk (struct obstack *obstack, int flag,
 			      const char *fmt, ...)
 {
-  va_list arg;
-  int done;
+  va_list ap;
+  int ret;
+  unsigned int mode = PRINTF_LDBL_IS_DBL;
+  if (flag > 0)
+    mode |= PRINTF_FORTIFY;
 
-  va_start (arg, fmt);
-  done = __nldbl___obstack_vprintf_chk (obstack, flag, fmt, arg);
-  va_end (arg);
+  va_start (ap, fmt);
+  ret = __obstack_vprintf_internal (obstack, fmt, ap, mode);
+  va_end (ap);
 
-  return done;
+  return ret;
 }
 
 extern __typeof (printf_size) __printf_size;
@@ -836,18 +834,28 @@ __nldbl_syslog (int pri, const char *fmt, ...)
 {
   va_list ap;
   va_start (ap, fmt);
-  __nldbl___vsyslog_chk (pri, -1, fmt, ap);
+  __vsyslog_internal (pri, fmt, ap, PRINTF_LDBL_IS_DBL);
   va_end (ap);
 }
 
+void
+attribute_compat_text_section
+__nldbl_vsyslog (int pri, const char *fmt, va_list ap)
+{
+  __vsyslog_internal (pri, fmt, ap, PRINTF_LDBL_IS_DBL);
+}
+
 void
 attribute_compat_text_section
 __nldbl___syslog_chk (int pri, int flag, const char *fmt, ...)
 {
   va_list ap;
+  unsigned int mode = PRINTF_LDBL_IS_DBL;
+  if (flag > 0)
+    mode |= PRINTF_FORTIFY;
 
   va_start (ap, fmt);
-  __nldbl___vsyslog_chk (pri, flag, fmt, ap);
+  __vsyslog_internal (pri, fmt, ap, mode);
   va_end(ap);
 }
 
@@ -855,17 +863,11 @@ void
 attribute_compat_text_section
 __nldbl___vsyslog_chk (int pri, int flag, const char *fmt, va_list ap)
 {
-  set_no_long_double ();
-  __vsyslog_internal (pri, fmt, ap, (flag > 0) ? PRINTF_FORTIFY : 0);
-  clear_no_long_double ();
-}
-libc_hidden_def (__nldbl___vsyslog_chk)
+  unsigned int mode = PRINTF_LDBL_IS_DBL;
+  if (flag > 0)
+    mode |= PRINTF_FORTIFY;
 
-void
-attribute_compat_text_section
-__nldbl_vsyslog (int pri, const char *fmt, va_list ap)
-{
-  __nldbl___vsyslog_chk (pri, -1, fmt, ap);
+  __vsyslog_internal (pri, fmt, ap, mode);
 }
 
 int
-- 
2.16.2


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