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From: Pedro Alves <pedro@palves.net>
To: Simon Marchi <simon.marchi@polymtl.ca>, gdb-patches@sourceware.org
Cc: Jan Vrany <jan.vrany@labware.com>
Subject: Re: [PATCH RESEND] gdb: remove static buffer in command_line_input
Date: Fri, 16 Dec 2022 13:21:21 +0000	[thread overview]
Message-ID: <1e61d9cc-00e0-56d6-c232-96d465a78782@palves.net> (raw)
In-Reply-To: <20221215190625.758546-1-simon.marchi@polymtl.ca>

On 2022-12-15 7:06 p.m., Simon Marchi via Gdb-patches wrote:
>    else
>      {
>        /* Copy whole line including terminating null, and we're
>  	 done.  */
> -      buffer_grow (cmd_line_buffer, rl, len + 1);
> -      cmd = cmd_line_buffer->buffer;
> +      cmd_line_buffer.append (rl, len + 1);
> +      return true;

std::string is guaranteed to be null terminated, but, it can also hold
\0 characters in the middle of the string.  Isn't that

  cmd_line_buffer.append (rl, len + 1);

ending up with an embedded \0 at the end of the string, with cmd_line_buffer.size() accounting for it?



>      }


  parent reply	other threads:[~2022-12-16 13:21 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-12-15 19:06 Simon Marchi
2022-12-15 21:44 ` Tom Tromey
2022-12-16  2:49   ` Simon Marchi
2022-12-16 13:21 ` Pedro Alves [this message]
2022-12-16 13:38   ` Simon Marchi
2022-12-16 14:11     ` Pedro Alves

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