I have had to #ifdef all my printf code in 50+ programs because of this problem.
will this be fixed in mingw as well?
-------------
Jim Michaels
jmich...@yahoo.com
j...@jimscomputerrepairandwebdesign.com
http://JimsComputerRepairandWebDesign.com
http://JesusnJim.com (my personal site, has software)
---
Computer memory measurements, SSD measurements, microsoft disk size
measurements (note: they will say GB or MB or KB or TB when it is not!):
[KiB] [MiB] [GiB] [TiB]
[2^10B=1,024B=1KiB]
[2^20B=1,048,576B=1MiB]
[2^30B=1,073,741,824B=1GiB]
[2^40B=1,099,511,627,776B=1TiB]
hard disk industry disk size measurements:
[KB] [MB] [GB] [TB]
[10^3B=1,000B=1KB]
[10^6B=1,000,000B=1MB]
[10^9B=1,000,000,000B=1GB]
[10^12B=1,000,000,000,000B=1TB]
>________________________________
> From: David Cleaver <wrai...@morpheus.net>
>To: mingw-w64-public@lists.sourceforge.net
>Sent: Saturday, December 17, 2011 11:50 AM
>Subject: Re: [Mingw-w64-public] printf issues...
>
>
>On 12/17/2011 10:41 AM, Kai Tietz wrote:
>> 2011/12/17 Ozkan Sezer:
>>> On Sat, Dec 17, 2011 at 6:09 PM, David Cleaver wrote:
>>>>
>>>>
>>>> On 12/17/2011 9:24 AM, Ozkan Sezer wrote:
>>>>> On Sat, Dec 17, 2011 at 4:49 PM, David Cleaver wrote:
>>>> I know that putting
>>>> #define __USE_MINGW_ANSI_STDIO 1
>>>> at the top of the code will allow my build to be able to use %llu to print
>>>> the
>>>> 64-bit variable. However, I'm wondering why his compiler warns about the
>>>> unknown llu modifier, but still prints the full 64-bit value.
>>>
>>> I don't have an answer for that,
>>
>> The ll width specifier isn't supported by all msvcrt version.
>> Equivalent for target would be I64. Beginning with OS Vista (IIRC)
>> the msvcrt printf/scanf faimily routines are supporting ll, too. But
>> to avoid breakage with older msvcrt, gcc has to warn about it.
>>
>> See msvcrt.dll's version. It is related to it.
>
>I see lots of information online regarding when Visual Studio/Visual C++
>versions started being able to use the ll modifier (since version VC++
>2003/7.1,
>apparently), but I don't see the same information detailing when msvcrt.dll
>was
>able to use the ll modifier.
>
>On my Windows XP x64 SP2 computer, my c:\windows\system32\msvcrt.dll has
>version
>7.0.3790.3959. I'd like to compile a list of msvcrt.dll versions and whether
>or
>not they support the ll modifier.
>
>Would others on this list try to compile the following test program to see
>whether or not the full 64bit number is printed? And after that, could you
>report back here to let us know if it worked or not, and what version of
>msvcrt.dll you have, and what version of OS you are running?
>
>#include <stdio.h>
>#include <inttypes.h>
>
>int main(void) {
>uintmax_t x = 1125899906842749LL;
>printf("%llu\n", x);
>return 0;
>}
>
>
>
>
>Kai/Ozkan, so when I compile a program with printf, how does mingw64 know
>which
>OS dll will handle the printf. Or is an assumption made that msvcrt.dll will
>be
>available to handle the request? Or do you just past the printf "to the OS"
>and
>the OS knows how to fill the printf request?
>
>-David C.
>
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