From b334e6660a405d2d63166ad9e4560421e6810cdc Mon Sep 17 00:00:00 2001
From: Jeff Johnston <jjohnstn@redhat.com>
Date: Mon, 29 Apr 2013 21:06:23 +0000
Subject: 2013-04-29  Sebastian Huber <sebastian.huber@embedded-brains.de>

	* libc/stdio/local.h (CHECK_INIT): Evaluate argument only once.
	(CHECK_STD_INIT): Likewise.
	* libc/stdio/fgetc.c (fgetc): Use local variable for _REENT.
	* libc/stdio/fgetwc.c (fwgetc): Likewise.
	* libc/stdio/fgetws.c (fgetws): Likewise.
	* libc/stdio/fputc.c (fputc): Likewise.
	* libc/stdio/fputwc.c (fputwc): Likewise.
	* libc/stdio/fputws.c (fputws): Likewise.
	* libc/stdio/getc.c (getc): Likewise.
	* libc/stdio/getchar.c (_getchar_r): Likewise.
	* libc/stdio/putc.c (putc): Likewise.
	* libc/stdio/putchar.c (putchar): Likewise.
	* libc/stdio/scanf.c (scanf): Likewise.
	* libc/stdio/setvbuf.c (setvbuf): Likewise.
	* libc/stdio/ungetwc.c (ungetwc): Likewise.
	* libc/stdio/vfscanf.c (VFSCANF): Likewise.
	* libc/stdio/vfwscanf.c (VFWSCANF): Likewise.
	* libc/stdio/viprintf.c (viprintf): Likewise.
	* libc/stdio/viscanf.c (viscanf): Likewise.
	* libc/stdio/vprintf.c (vprintf): Likewise.
	* libc/stdio/vscanf.c (vscanf): Likewise.
	* libc/stdio/vwprintf.c (vwprintf): Likewise.
	* libc/stdio/vwscanf.c (vwscanf): Likewise.
	* libc/stdio/wscanf.c (wscanf): Likewise.
	* libc/stdlib/ecvtbuf.c (fcvtbuf): Likewise.
	(fcvtbuf): Likewise.
	(ecvtbuf): Likewise.
	(ecvtbuf): Likewise.
	* libc/stdlib/mblen.c (mblen): Likewise.
	* libc/stdlib/mbrlen.c (mbrlen): Likewise.
	* libc/stdlib/mbrtowc.c (mbrtowc): Likewise.
	* libc/stdlib/mbtowc.c (mbtowc): Likewise.
	* libc/stdlib/rand.c (srand): Likewise.
	(rand): Likewise.
	* libc/stdlib/wcrtomb.c (wcrtomb): Likewise.
	* libc/stdlib/wctob.c (wctob): Likewise.
	* libc/stdlib/wctomb.c (wctomb): Likewise.
	* libc/string/strtok.c (strtok): Likewise.
	* libc/time/asctime.c (asctime): Likewise.
	* libc/time/gmtime.c (gmtime): Likewise.
	* libc/time/lcltime.c (lcltime): Likewise.
---
 newlib/libc/stdlib/rand.c | 16 ++++++++++------
 1 file changed, 10 insertions(+), 6 deletions(-)

(limited to 'newlib/libc/stdlib/rand.c')

diff --git a/newlib/libc/stdlib/rand.c b/newlib/libc/stdlib/rand.c
index 131e5cf09..42acde4aa 100644
--- a/newlib/libc/stdlib/rand.c
+++ b/newlib/libc/stdlib/rand.c
@@ -72,20 +72,24 @@ on two different systems.
 void
 _DEFUN (srand, (seed), unsigned int seed)
 {
-  _REENT_CHECK_RAND48(_REENT);
-  _REENT_RAND_NEXT(_REENT) = seed;
+  struct _reent *reent = _REENT;
+
+  _REENT_CHECK_RAND48(reent);
+  _REENT_RAND_NEXT(reent) = seed;
 }
 
 int
 _DEFUN_VOID (rand)
 {
+  struct _reent *reent = _REENT;
+
   /* This multiplier was obtained from Knuth, D.E., "The Art of
      Computer Programming," Vol 2, Seminumerical Algorithms, Third
      Edition, Addison-Wesley, 1998, p. 106 (line 26) & p. 108 */
-  _REENT_CHECK_RAND48(_REENT);
-  _REENT_RAND_NEXT(_REENT) = 
-     _REENT_RAND_NEXT(_REENT) * __extension__ 6364136223846793005LL + 1;
-  return (int)((_REENT_RAND_NEXT(_REENT) >> 32) & RAND_MAX);
+  _REENT_CHECK_RAND48(reent);
+  _REENT_RAND_NEXT(reent) =
+     _REENT_RAND_NEXT(reent) * __extension__ 6364136223846793005LL + 1;
+  return (int)((_REENT_RAND_NEXT(reent) >> 32) & RAND_MAX);
 }
 
 #endif /* _REENT_ONLY */
-- 
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