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From: Doug Evans <xdje42@gmail.com>
To: Simon Marchi <simon.marchi@polymtl.ca>
Cc: gdb-patches@sourceware.org
Subject: Re: [PATCH c++ 07/12] gdbscm_memory_port_write: use local variable to avoid adding casts
Date: Mon, 26 Oct 2015 12:55:00 -0000	[thread overview]
Message-ID: <m3bnbmb3mc.fsf@sspiff.org> (raw)
In-Reply-To: <1445831204-16588-7-git-send-email-simon.marchi@polymtl.ca>	(Simon Marchi's message of "Sun, 25 Oct 2015 23:46:39 -0400")

Simon Marchi <simon.marchi@polymtl.ca> writes:
> By having a local variable of type (const gdb_byte *), we can avoid adding
> two casts.
>
> gdb/ChangeLog:
>
> 	* guile/scm-ports.c (gdbscm_memory_port_write): Declare new
> 	"data" local variable and use it.
> ---
>  gdb/guile/scm-ports.c | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/gdb/guile/scm-ports.c b/gdb/guile/scm-ports.c
> index 49e4fd6..2cca889 100644
> --- a/gdb/guile/scm-ports.c
> +++ b/gdb/guile/scm-ports.c
> @@ -725,10 +725,11 @@ gdbscm_memory_port_flush (SCM port)
>  /* "write" method for memory ports.  */
>  
>  static void
> -gdbscm_memory_port_write (SCM port, const void *data, size_t size)
> +gdbscm_memory_port_write (SCM port, const void *void_data, size_t size)
>  {
>    scm_t_port *pt = SCM_PTAB_ENTRY (port);
>    ioscm_memory_port *iomem = (ioscm_memory_port *) SCM_STREAM (port);
> +  const gdb_byte *data = (const gdb_byte *) void_data;
>  
>    /* There's no way to indicate a short write, so if the request goes past
>       the end of the port's memory range, flag an error.  */
> @@ -767,7 +768,7 @@ gdbscm_memory_port_write (SCM port, const void *data, size_t size)
>  	pt->write_pos = pt->write_end;
>  	gdbscm_memory_port_flush (port);
>  	{
> -	  const void *ptr = ((const char *) data) + space;
> +	  const gdb_byte *ptr = data + space;
>  	  size_t remaining = size - space;
>  
>  	  if (remaining >= pt->write_buf_size)

LGTM


  reply	other threads:[~2015-10-26  5:29 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-10-26  3:49 [PATCH c++ 01/12] Introduce ax_raw_byte and use it Simon Marchi
2015-10-26  4:17 ` [PATCH c++ 03/12] ctf_xfer_partial: Return TARGET_XFER_E_IO instead of -1 on error Simon Marchi
2015-10-27  9:54   ` Simon Marchi
2015-10-26  5:24 ` [PATCH c++ 06/12] Fix constness problem in ioscm_make_gdb_stdio_port Simon Marchi
2015-10-26 12:40   ` Doug Evans
2015-10-26 18:36   ` Pedro Alves
2015-10-27  1:30     ` Simon Marchi
2015-10-27  1:55       ` Pedro Alves
2015-10-27  2:02         ` Doug Evans
2015-10-27  2:07           ` Simon Marchi
2015-10-26  5:27 ` [PATCH c++ 08/12] scm-symbol.c: Add (domain_enum) casts Simon Marchi
2015-10-26 12:55   ` Doug Evans
2015-10-26  5:29 ` [PATCH c++ 05/12] guile: Constify gdbscm_with_guile return value Simon Marchi
2015-10-26 11:45   ` Doug Evans
2015-10-26 17:39     ` Simon Marchi
2015-10-26 20:34       ` Doug Evans
2015-10-27  9:31         ` Simon Marchi
2015-10-27 17:35           ` Doug Evans
2015-10-28 14:59             ` Simon Marchi
2015-10-26  5:30 ` [PATCH c++ 09/12] stap-probe.c: Add casts Simon Marchi
2015-10-27  9:54   ` Simon Marchi
2015-10-26  5:32 ` [PATCH c++ 10/12] symtab.c: Add cast Simon Marchi
2015-10-26 12:55   ` Doug Evans
2015-10-26  7:53 ` [PATCH c++ 04/12] Add scm_t_dynwind_flags casts Simon Marchi
2015-10-27 14:59   ` Pedro Alves
2015-10-27 16:02     ` Simon Marchi
2015-10-26  8:17 ` [PATCH c++ 07/12] gdbscm_memory_port_write: use local variable to avoid adding casts Simon Marchi
2015-10-26 12:55   ` Doug Evans [this message]
2015-10-26 10:03 ` [PATCH c++ 02/12] ctf.c: Fix int/enum implicit cast Simon Marchi
2015-10-27 15:17   ` Pedro Alves
2015-10-27 17:11     ` Yao Qi
2015-10-27 17:14       ` Simon Marchi
2015-10-27 15:08 ` [PATCH c++ 01/12] Introduce ax_raw_byte and use it Pedro Alves
2015-10-27 16:55   ` Simon Marchi

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