* stdio-common/printf_fp.c (___printf_fp): Cleanups and minor

	optimization.

1 files changed, 10 insertions, 7 deletions

diff --git a/stdio-common/printf_fp.c b/stdio-common/printf_fp.c
index e4e32f9..cbc3143 100644
--- a/stdio-common/printf_fp.c
+++ b/stdio-common/printf_fp.c
@@ -1,6 +1,6 @@
 /* Floating point output for `printf'.
-   Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2006
-   Free Software Foundation, Inc.
+   Copyright (C) 1995-2003, 2006, 2007 Free Software Foundation, Inc.
+
    This file is part of the GNU C Library.
    Written by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1995.
 
@@ -811,12 +811,14 @@ ___printf_fp (FILE *fp,
     int chars_needed;
     int expscale;
     int intdig_max, intdig_no = 0;
-    int fracdig_min, fracdig_max, fracdig_no = 0;
+    int fracdig_min;
+    int fracdig_max;
     int dig_max;
     int significant;
     int ngroups = 0;
+    char spec = _tolower (info->spec);
 
-    if (_tolower (info->spec) == 'e')
+    if (spec == 'e')
       {
 	type = info->spec;
 	intdig_max = 1;
@@ -826,7 +828,7 @@ ___printf_fp (FILE *fp,
 	dig_max = INT_MAX;		/* Unlimited.  */
 	significant = 1;		/* Does not matter here.  */
       }
-    else if (_tolower (info->spec) == 'f')
+    else if (spec == 'f')
       {
 	type = 'f';
 	fracdig_min = fracdig_max = info->prec < 0 ? 6 : info->prec;
@@ -887,7 +889,7 @@ ___printf_fp (FILE *fp,
        other output.  If the amount of memory we have to allocate is too
        large use `malloc' instead of `alloca'.  */
     buffer_malloced = ! __libc_use_alloca (chars_needed * 2 * sizeof (wchar_t));
-    if (buffer_malloced)
+    if (__builtin_expect (buffer_malloced, 0))
       {
 	wbuffer = (wchar_t *) malloc ((2 + chars_needed) * sizeof (wchar_t));
 	if (wbuffer == NULL)
@@ -923,6 +925,7 @@ ___printf_fp (FILE *fp,
       }
 
     /* Generate the needed number of fractional digits.	 */
+    int fracdig_no = 0;
     while (fracdig_no < fracdig_min
 	   || (fracdig_no < fracdig_max && (fracsize > 1 || frac[0] != 0)))
       {
@@ -972,7 +975,7 @@ ___printf_fp (FILE *fp,
 	    /* Process fractional digits.  Terminate if not rounded or
 	       radix character is reached.  */
 	    while (*--wtp != decimalwc && *wtp == L'9')
-	      *wtp = '0';
+	      *wtp = L'0';
 	    if (*wtp != decimalwc)
 	      /* Round up.  */
 	      (*wtp)++;