[Issue 2479] sformat is broken

2009-10-11 Thread d-bugmail 
http://d.puremagic.com/issues/show_bug.cgi?id=2479


Andrei Alexandrescu and...@metalanguage.com changed:

   What|Removed |Added

 Status|NEW |ASSIGNED
 CC||and...@metalanguage.com
 AssignedTo|nob...@puremagic.com|and...@metalanguage.com


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[Issue 2479] sformat is broken

2009-08-29 Thread d-bugmail 
http://d.puremagic.com/issues/show_bug.cgi?id=2479


Brad Roberts bra...@puremagic.com changed:

   What|Removed |Added

 CC||bra...@puremagic.com




--- Comment #2 from Brad Roberts bra...@puremagic.com  2009-08-29 14:45:40 
PDT ---
A reduced test case (larger, but complete and doesn't import large swaths of
code).  This is a massive reduction of all the irrelevant parts of doFormat
torn away, and sformat reduced a good bit as well.

module bug2479;

import std.stdarg;

void doFormat(void delegate(dchar) myputc, TypeInfo[] arguments, va_list
argptr)
{
string fmt = va_arg!(string)(argptr);
assert(!(fmt is null)); // fires when it shouldn't.
}

char[] sformat(char[] s, ...)
{
void putc(dchar c) { s[0] = cast(char)c; }

doFormat(putc, _arguments, _argptr);
return s[0 .. 1];
}

void main()
{
char[32] tmp;
sformat(tmp, %s, hi);
}

Changing putc to not touch 's' causes the va_arg call to succeed an fmt is no
longer null.

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[Issue 2479] sformat is broken

2009-08-29 Thread d-bugmail 
http://d.puremagic.com/issues/show_bug.cgi?id=2479





--- Comment #3 from Brad Roberts bra...@puremagic.com  2009-08-29 14:55:44 
PDT ---
Adding a printf at the top of doFormat...

The broken case:
  argptr = 0xf7ceeffc
  core.exception.asserter...@bug2479.d(11): Assertion failure

With putc emptied out:
  argptr = 0xffb004d4
  (no assert)

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[Issue 2479] sformat is broken

2009-05-20 Thread d-bugmail 
http://d.puremagic.com/issues/show_bug.cgi?id=2479


Gide Nwawudu g...@nwawudu.com changed:

   What|Removed |Added

   Keywords||wrong-code
 CC||g...@nwawudu.com
   Severity|major   |regression




--- Comment #1 from Gide Nwawudu g...@nwawudu.com  2009-05-20 07:37:33 PDT ---
Set importance to regression.

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