Bug#32348: marked as done (va_arg trashes (double)0)
Your message dated Sun, 24 Jan 1999 17:33:22 -0500
with message-id <19990124173322.A3782@rdm.legislate.com>
and subject line oops
has caused the attached bug report to be marked as done.
This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
bug report if necessary, and/or fix the problem forthwith.
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Ian Jackson
(administrator, Debian bugs database)
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Date: Sun, 24 Jan 1999 16:25:12 -0500
From: Raul Miller <rdm@test.legislate.com>
To: submit@bugs.debian.org
Subject: va_arg trashes (double)0
Message-ID: <[🔎] 19990124162512.Y3782@rdm.legislate.com>
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Package: libc6
Version: 2.0.7v-1
va_arg turns 0 into 4.85442e-270 [see session below].
[Note that casting 0 to (double)0 doesn't work around the problem.]
--
Raul
bash-2.01$ cat >tes.c
#include <stdio.h>
#include <stdarg.h>
v(long ignore, ...) {
va_list l;
va_start(l, ignore);
printf("%g\n", va_arg(l, double));
}
main(){
v(0);
}
bash-2.01$ make tes&&./tes
cc tes.c -o tes
4.85442e-270
bash-2.01$ ldd tes
libc.so.6 => /lib/libc.so.6 (0x40014000)
/lib/ld-linux.so.2 => /lib/ld-linux.so.2 (0x40000000)
bash-2.01$ dpkg -l libc6
Desired=Unknown/Install/Remove/Purge
| Status=Not/Installed/Config-files/Unpacked/Failed-config/Half-installed
|/ Err?=(none)/Hold/Reinst-required/X=both-problems (Status,Err: uppercase=bad)
||/ Name Version Description
+++-===============-==============-============================================
ii libc6 2.0.7v-1 The GNU C library version 2 (run-time files)
bash-2.01$
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