c/3844: UMR in sprintf for format %LE

c/3844: UMR in sprintf for format %LE

[zhegulev]

>Number:         3844
>Category:       c
>Synopsis:       UMR in sprintf for format %LE
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    unassigned
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Fri Jul 27 10:06:02 PDT 2001
>Closed-Date:
>Last-Modified:
>Originator:     zhegulev@sigma.ispras.ru
>Release:        gcc version 2.95.3 20010315 (release)
>Organization:
>Environment:
SunOS 5.7 Generic_106541-16 sun4u sparc SUNW,Ultra-5_10
gcc version 2.95.3 20010315 (release)
>Description:
file: test.c

#include <stdio.h>

int main()
{
  char s[128];
  sprintf(s,"%LE\n",(long double)10);
  return 0;
}

If compiled with purify
Purify reports about UMR

same code on HP 10.20
receives segmentation fault
>How-To-Repeat:

>Fix:

>Release-Note:
>Audit-Trail:
>Unformatted:
----gnatsweb-attachment----
Content-Type: application/octet-stream; name="test.c.gz"
Content-Transfer-Encoding: base64
Content-Disposition: attachment; filename="test.c.gz"

H4sICBKXYTsAA3Rlc3QuYwBTzsxLzilNSVWwKS5JyczXy7Dj4srMK1HITczM09DkquZSUEjOSCxS
KI42NLKItQZyiwuKgArSNIp1lFR9XGPylHQ0cvLz0hVS8kuTclI1DQ00QaqKUktKi/IUDKy5arkA
aj8oHGQAAAA=

Re: c/3844: UMR in sprintf for format %LE

[aoliva]

Synopsis: UMR in sprintf for format %LE

State-Changed-From-To: open->closed
State-Changed-By: aoliva
State-Changed-When: Sat Jul 28 19:47:33 2001
State-Changed-Why:
    I don't see how this can be a bug in GCC.  sprintf is provided by the C library of the OS you're running; GCC just uses that C library.  If there's a bug somewhere, it's likely to be in the C library, and you have to report a problem to the OS vendors.

http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view&pr=3844&database=gcc