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Re: Core dump constructing a C++ string with NULL

From: Tom Browder <tom dot browder at gmail dot com>
To: Jonathan Wakely <jwakely dot gcc at gmail dot com>
Cc: Ian Lance Taylor <iant at google dot com>, GCC-help <gcc-help at gcc dot gnu dot org>
Date: Fri, 14 Jan 2011 10:59:54 -0600
Subject: Re: Core dump constructing a C++ string with NULL
References: <AANLkTin_hTLeBJQfTAyS_-hX4Bq4FoghFNX9tAtBpraK@mail.gmail.com> <mcrbp3ko6zr.fsf@google.com> <AANLkTi=g92T2Wj2k0h1XohZq-2duu7dT20r9GrZzumHh@mail.gmail.com> <AANLkTikhTTeFWruNZinCbWmxgDYmTmn=A6zENr93rmkb@mail.gmail.com>

On Fri, Jan 14, 2011 at 10:47, Jonathan Wakely <jwakely.gcc@gmail.com> wrote:
> On 14 January 2011 16:19, Tom Browder wrote:
>>
>> How about a compiler option then, something like
>> "--allow-c++-null-string-constructor"...
>
> We throw an exception, std::logic_error, indicating a precondition violation.

Two questions:

1.  does it take any significant time difference to check for a 0
versus throw an exception (one argument against)?

2.  Isn't a '\0' an empty string in the string context?

Respectfully,

-Tom

Follow-Ups:
- Re: Core dump constructing a C++ string with NULL
  - From: Jonathan Wakely
- Re: Core dump constructing a C++ string with NULL
  - From: Ian Lance Taylor

References:
- Core dump constructing a C++ string with NULL
  - From: Tom Browder
- Re: Core dump constructing a C++ string with NULL
  - From: Ian Lance Taylor
- Re: Core dump constructing a C++ string with NULL
  - From: Tom Browder
- Re: Core dump constructing a C++ string with NULL
  - From: Jonathan Wakely

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