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* stdio-common/printf_fp.c (___printf_fp): Don't print negative sign

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for exponent 0.
	* stdio-common/tfformat.c (sprint_doubles): Add a new test.
This commit is contained in:
Ulrich Drepper
2007-04-30 22:33:44 +00:00
parent 37f02b1da5
commit b866373d82
3 changed files with 13 additions and 1 deletions
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4
ChangeLog
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@@ -1,5 +1,9 @@
2007-04-30 Jakub Jelinek <jakub@redhat.com> 2007-04-30 Jakub Jelinek <jakub@redhat.com>
* stdio-common/printf_fp.c (___printf_fp): Don't print negative sign
for exponent 0.
* stdio-common/tfformat.c (sprint_doubles): Add a new test.
[BZ #4439] [BZ #4439]
* resolv/inet_ntop.c (inet_ntop4): Take terminating '\0' into * resolv/inet_ntop.c (inet_ntop4): Take terminating '\0' into
account in the size check. account in the size check.

8
stdio-common/printf_fp.c
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@@ -793,7 +793,7 @@ ___printf_fp (FILE *fp,
else else
{ {
/* This is a special case. We don't need a factor because the /* This is a special case. We don't need a factor because the
numbers are in the range of 0.0 <= fp < 8.0. We simply numbers are in the range of 1.0 <= |fp| < 8.0. We simply
shift it to the right place and divide it by 1.0 to get the shift it to the right place and divide it by 1.0 to get the
leading digit. (Of course this division is not really made.) */ leading digit. (Of course this division is not really made.) */
assert (0 <= exponent && exponent < 3 && assert (0 <= exponent && exponent < 3 &&
@@ -1013,6 +1013,12 @@ ___printf_fp (FILE *fp,
{ {
*wstartp = '1'; *wstartp = '1';
exponent += expsign == 0 ? 1 : -1; exponent += expsign == 0 ? 1 : -1;
/* The above exponent adjustment could lead to 1.0e-00,
e.g. for 0.999999999. Make sure exponent 0 always
uses + sign. */
if (exponent == 0)
expsign = 0;
} }
else if (intdig_no == dig_max) else if (intdig_no == dig_max)
{ {

2
stdio-common/tfformat.c
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@@ -4021,6 +4021,8 @@ sprint_double_type sprint_doubles[] =
{__LINE__, 0.000098, "0.0001", "%#.0g"}, {__LINE__, 0.000098, "0.0001", "%#.0g"},
{__LINE__, 0.0000996, "0.00010", "%#.2g"}, {__LINE__, 0.0000996, "0.00010", "%#.2g"},
{__LINE__, 9.999999999999999e-05, "0.0001", "%g"}, {__LINE__, 9.999999999999999e-05, "0.0001", "%g"},
{__LINE__, 1.0, "1.000000e+00", "%e"},
{__LINE__, .9999999999999999, "1.000000e+00", "%e"},
{0 } {0 }