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* missing/vsnprintf.c (BSD_vfprintf): fix for test_sprintf_comb.rb, by

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wanabe in [ruby-dev:36935].


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@20911 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2008-12-22 03:25:14 +00:00
parent 941e77dc91
commit 3bad2b6ed9
2 changed files with 13 additions and 2 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
Mon Dec 22 12:25:09 2008 Nobuyoshi Nakada <nobu@ruby-lang.org>
* missing/vsnprintf.c (BSD_vfprintf): fix for test_sprintf_comb.rb, by
wanabe in [ruby-dev:36935].
Mon Dec 22 12:05:14 2008 Nobuyoshi Nakada <nobu@ruby-lang.org>
* configure.in (mingw): no longer uses snprintf and vsnprintf of

10
missing/vsnprintf.c
View file

@ -753,6 +753,8 @@ reswitch: switch (ch) {
#ifdef FLOATING_POINT
case 'e': /* anomalous precision */
case 'E':
if (prec != 0)
flags |= ALT;
prec = (prec == -1) ?
DEFPREC + 1 : prec + 1;
/* FALLTHROUGH */
@ -782,7 +784,7 @@ fp_begin: _double = va_arg(ap, double);
cp = cvt(_double, prec, flags, &softsign,
&expt, ch, &ndig);
if (ch == 'g' || ch == 'G') {
if (expt <= -4 || expt > prec)
if (expt <= -4 || (expt > prec && expt > 1))
ch = (ch == 'g') ? 'e' : 'E';
else
ch = 'g';
@ -798,6 +800,8 @@ fp_begin: _double = va_arg(ap, double);
size = expt;
if (prec || flags & ALT)
size += prec + 1;
} else if (!prec) { /* "0" */
size = 1;
} else /* "0.X" */
size = prec + 2;
} else if (expt >= ndig) { /* fixed g fmt */
@ -1008,13 +1012,15 @@ number: if ((dprec = prec) >= 0)
if (ch >= 'f') { /* 'f' or 'g' */
if (_double == 0) {
/* kludge for __dtoa irregularity */
if (prec == 0 ||
if (ndig <= 1 &&
(flags & ALT) == 0) {
PRINT("0", 1);
} else {
PRINT("0.", 2);
PAD(ndig - 1, zeroes);
}
} else if (expt == 0 && ndig == 0 && (flags & ALT) == 0) {
PRINT("0", 1);
} else if (expt <= 0) {
PRINT("0.", 2);
PAD(-expt, zeroes);