diff options
| author | Ulrich Drepper <drepper@redhat.com> | 2007-02-20 01:11:40 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2007-02-20 01:11:40 +0000 |
| commit | 4c02bf1adf285060e809ef5df8f796c8cf3fb04d (patch) | |
| tree | 2fef9fb77d415728263520fa98dd45c298f4c830 /stdio-common/printf_fp.c | |
| parent | 3979024a8ce56e0a1ab08088525649d219fc4196 (diff) | |
* stdio-common/printf_fp.c (___printf_fp): Cleanups and minor
optimization.
Diffstat (limited to 'stdio-common/printf_fp.c')
| -rw-r--r-- | stdio-common/printf_fp.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/stdio-common/printf_fp.c b/stdio-common/printf_fp.c index e4e32f9c28..cbc31438f2 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)++; |