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vsnprintf.c: prefix with precision 

* vsnprintf.c (BSD_vfprintf): sign and hex-prefix should not be
  counted in precision.  [ruby-dev:47714] [Bug #8916]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58210 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2017-03-29 09:47:42 +00:00
parent 85f3636e98
commit 7e1c65dccd
2 changed files with 5 additions and 9 deletions
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2
strftime.c
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@ -582,7 +582,7 @@ rb_strftime_with_timespec(VALUE ftime, const char *format, size_t format_len,
goto unknown;
}
i = snprintf(s, endp - s, (padding == ' ' ? "%+*ld" : "%+.*ld"),
precision + 1, sign * (off / 3600));
precision + (padding == ' '), sign * (off / 3600));
if (i < 0) goto err;
if (sign < 0 && off < 3600) {
*(padding == ' ' ? s + i - 2 : s) = '-';

12
vsnprintf.c
View File

@ -1119,11 +1119,11 @@ number: if ((dprec = prec) >= 0)
*/
fieldsz = size;
long_len:
if (sign)
fieldsz++;
if (flags & HEXPREFIX)
fieldsz += 2;
realsz = dprec > fieldsz ? dprec : fieldsz;
if (sign)
realsz++;
if (flags & HEXPREFIX)
realsz += 2;
/* right-adjusting blank padding */
if ((flags & (LADJUST|ZEROPAD)) == 0)
@ -1145,10 +1145,6 @@ long_len:
/* leading zeroes from decimal precision */
PAD_L(dprec - fieldsz, zeroes);
if (sign)
fieldsz--;
if (flags & HEXPREFIX)
fieldsz -= 2;
/* the string or number proper */
#ifdef FLOATING_POINT