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Full Discussion: enable 64bit long type for gcc
Top Forums Programming enable 64bit long type for gcc Post 302270094 by jim mcnamara on Friday 19th of December 2008 03:58:55 PM
Old 12-19-2008
I ran this in a 32 bit executable under ubuntu:

Code:
#include <sys/types.h>
#include <stdio.h>

void foo(time_t t)
{
	printf("%u\n", t); 
	printf("%d\n", t);
}

int main()
{
	time_t tim=1230768000;
	foo(tim);
	return 0;
}

This is what I got:
Code:
/home/jmcnama> a.out
1230768000
1230768000

You have a coding problem not a datatype problem. Can you post the shortest possible chunk of code that shows your problem?
 

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LEARN ABOUT DEBIAN

hardened-cc

HARDENED-CC(1)							 Debian GNU/Linux						    HARDENED-CC(1)

NAME

       hardened-cc - gcc wrapper to enforce hardening toolchain improvements

SYNOPSIS

       export DEB_BUILD_HARDENING=1

       gcc ...

DESCRIPTION

       The  hardened-cc  wrapper  is  normally	used by calling gcc as usual when DEB_BUILD_HARDENING is set to 1. It will configure the necessary
       toolchain hardening features. By default, all features are enabled. If a given feature does not work correctly and needs  to  be  disabled,
       the corresponding environment variables mentioned below can be set to 0.

ENVIRONMENT

       DEB_BUILD_HARDENING=1
	      Enable hardening features.

       DEB_BUILD_HARDENING_DEBUG=1
	      Print the full resulting gcc command line to STDERR before calling gcc.

       DEB_BUILD_HARDENING_STACKPROTECTOR=0
	      Disable stack overflow protection. See README.Debian for details.

       DEB_BUILD_HARDENING_RELRO=0
	      Disable read-only linker sections. See README.Debian for details.

       DEB_BUILD_HARDENING_FORTIFY=0
	      Don't fortify several standard functions. See README.Debian for details.

       DEB_BUILD_HARDENING_PIE=0
	      Don't build position independent executables. See README.Debian for details.

       DEB_BUILD_HARDENING_FORMAT=0
	      Disable unsafe format string usage errors. See README.Debian for details.

NOTES

       System-wide settings can be added to /etc/hardening-wrapper.conf, one per line.

       The  real gcc symlinks are renamed gcc.real, and a diversion is registered with dpkg-divert(1).	Thus hardened-cc's idea of the default gcc
       is dictated by whatever package installed /usr/bin/gcc.

SEE ALSO

       hardened-ld(1) gcc(1)

Debian Project							    2008-01-08							    HARDENED-CC(1)
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