http://d.puremagic.com/issues/show_bug.cgi?id=10644

           Summary: Win64: wrong code when passing arguments through ...
           Product: D
           Version: D2
          Platform: All
        OS/Version: All
            Status: NEW
          Keywords: wrong-code
          Severity: normal
          Priority: P2
         Component: DMD
        AssignedTo: nobody@puremagic.com
        ReportedBy: r.sagitario@gmx.de


--- Comment #0 from Rainer Schuetze <r.sagitario@gmx.de> 2013-07-15 00:25:39 PDT ---
An example from the unittest of std.outbuffer:

import std.outbuffer;

void main()
{
    OutBuffer buf = new OutBuffer();

    buf.printf("%d", 42);
    assert(buf.toString() == "42");
}

build and run for win64 throws the assertion.

Checking the implementation of OutBuffer.printf shows that there is no uniform abstraction for passing arguments to printf(string format, ...) anyway, and the Win64 version seems broken.

This also applies to stream.printf.

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Walter Bright <bugzilla@digitalmars.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |bugzilla@digitalmars.com


--- Comment #1 from Walter Bright <bugzilla@digitalmars.com> 2013-07-19 00:51:07 PDT ---
This shrinks down to:
---------------------
import std.c.stdio;
import std.c.stdarg;

void vpr(string format, va_list args)
{
    char[128] buffer;
    int count;

    auto f = format.ptr;
    auto p = buffer.ptr;
    auto psize = buffer.length;
    printf("format = %d, %s\n", cast(int)format.length, f);
    count = _vsnprintf(p,psize,f,args);
    printf("count = %d, p = %s\n", count, p);
}

void pr(string format, ...)
{
    va_list ap;
    ap = cast(va_list)&format;
    ap += format.sizeof;
    vpr(format, ap);
}


void main()
{
    pr("%d", 42);
}

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Walter Bright <bugzilla@digitalmars.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|DMD                         |Phobos
           Platform|All                         |x86_64
         OS/Version|All                         |Windows


--- Comment #2 from Walter Bright <bugzilla@digitalmars.com> 2013-07-19 14:19:44 PDT ---
https://github.com/D-Programming-Language/phobos/pull/1423

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--- Comment #3 from github-bugzilla@puremagic.com 2013-07-19 23:22:59 PDT ---
Commits pushed to master at https://github.com/D-Programming-Language/phobos

https://github.com/D-Programming-Language/phobos/commit/e16b2c81e55b0d1622c40cf3970a3f458dd2c2b8 fix Issue 10644 - Win64: wrong code when passing arguments through ...

https://github.com/D-Programming-Language/phobos/commit/1bd22b2e8b1a9bf5fb7c71d2490015d601925c28 Merge pull request #1423 from WalterBright/fix10644

fix Issue 10644 - Win64: wrong code when passing arguments through ...

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Walter Bright <bugzilla@digitalmars.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |FIXED


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