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* [PATCH BlueZ 1/1] src/agent.c : parse_io_capability Function optimization
@ 2020-07-24 12:25 luokai
  2020-07-27 23:21 ` Luiz Augusto von Dentz
  0 siblings, 1 reply; 2+ messages in thread
From: luokai @ 2020-07-24 12:25 UTC (permalink / raw)
  To: linux-bluetooth; +Cc: luokai

From: luokai <luokai@uniontech.com>

---
 src/agent.c | 28 ++++++++++++++++------------
 1 file changed, 16 insertions(+), 12 deletions(-)

diff --git a/src/agent.c b/src/agent.c
index e0ffcd22f..82baf608f 100644
--- a/src/agent.c
+++ b/src/agent.c
@@ -957,20 +957,24 @@ static void agent_destroy(gpointer data)
 	agent_unref(agent);
 }
 
+static struct capability g_cap[]  = {
+	{"", IO_CAPABILITY_KEYBOARDDISPLAY},
+	{"DisplayOnly", IO_CAPABILITY_DISPLAYONLY},
+	{"DisplayYesNo", IO_CAPABILITY_DISPLAYYESNO},
+	{"KeyboardOnly", IO_CAPABILITY_KEYBOARDONLY},
+	{"NoInputNoOutput", IO_CAPABILITY_NOINPUTNOOUTPUT},
+	{"KeyboardDisplay", IO_CAPABILITY_KEYBOARDDISPLAY}
+};
+
 static uint8_t parse_io_capability(const char *capability)
 {
-	if (g_str_equal(capability, ""))
-		return IO_CAPABILITY_KEYBOARDDISPLAY;
-	if (g_str_equal(capability, "DisplayOnly"))
-		return IO_CAPABILITY_DISPLAYONLY;
-	if (g_str_equal(capability, "DisplayYesNo"))
-		return IO_CAPABILITY_DISPLAYYESNO;
-	if (g_str_equal(capability, "KeyboardOnly"))
-		return IO_CAPABILITY_KEYBOARDONLY;
-	if (g_str_equal(capability, "NoInputNoOutput"))
-		return IO_CAPABILITY_NOINPUTNOOUTPUT;
-	if (g_str_equal(capability, "KeyboardDisplay"))
-		return IO_CAPABILITY_KEYBOARDDISPLAY;
+	size_t count = sizeof(g_cap) / sizeof(g_cap[0]); 
+	for (size_t i = 0; i < count; i++)
+	{
+		if(g_str_equal(capability, g_cap[i].cap)) {
+			return g_cap[i].parse_capability;
+		}
+	}
 	return IO_CAPABILITY_INVALID;
 }
 
-- 
2.20.1




^ permalink raw reply	[flat|nested] 2+ messages in thread

* Re: [PATCH BlueZ 1/1] src/agent.c : parse_io_capability Function optimization
  2020-07-24 12:25 [PATCH BlueZ 1/1] src/agent.c : parse_io_capability Function optimization luokai
@ 2020-07-27 23:21 ` Luiz Augusto von Dentz
  0 siblings, 0 replies; 2+ messages in thread
From: Luiz Augusto von Dentz @ 2020-07-27 23:21 UTC (permalink / raw)
  To: luokai; +Cc: linux-bluetooth, luokai

Hi,

On Fri, Jul 24, 2020 at 5:27 AM luokai <454728735@qq.com> wrote:
>
> From: luokai <luokai@uniontech.com>
>
> ---
>  src/agent.c | 28 ++++++++++++++++------------
>  1 file changed, 16 insertions(+), 12 deletions(-)
>
> diff --git a/src/agent.c b/src/agent.c
> index e0ffcd22f..82baf608f 100644
> --- a/src/agent.c
> +++ b/src/agent.c
> @@ -957,20 +957,24 @@ static void agent_destroy(gpointer data)
>         agent_unref(agent);
>  }
>
> +static struct capability g_cap[]  = {
> +       {"", IO_CAPABILITY_KEYBOARDDISPLAY},
> +       {"DisplayOnly", IO_CAPABILITY_DISPLAYONLY},
> +       {"DisplayYesNo", IO_CAPABILITY_DISPLAYYESNO},
> +       {"KeyboardOnly", IO_CAPABILITY_KEYBOARDONLY},
> +       {"NoInputNoOutput", IO_CAPABILITY_NOINPUTNOOUTPUT},
> +       {"KeyboardDisplay", IO_CAPABILITY_KEYBOARDDISPLAY}

We usually spaces after { and before }.

> +};
> +
>  static uint8_t parse_io_capability(const char *capability)
>  {
> -       if (g_str_equal(capability, ""))
> -               return IO_CAPABILITY_KEYBOARDDISPLAY;
> -       if (g_str_equal(capability, "DisplayOnly"))
> -               return IO_CAPABILITY_DISPLAYONLY;
> -       if (g_str_equal(capability, "DisplayYesNo"))
> -               return IO_CAPABILITY_DISPLAYYESNO;
> -       if (g_str_equal(capability, "KeyboardOnly"))
> -               return IO_CAPABILITY_KEYBOARDONLY;
> -       if (g_str_equal(capability, "NoInputNoOutput"))
> -               return IO_CAPABILITY_NOINPUTNOOUTPUT;
> -       if (g_str_equal(capability, "KeyboardDisplay"))
> -               return IO_CAPABILITY_KEYBOARDDISPLAY;
> +       size_t count = sizeof(g_cap) / sizeof(g_cap[0]);

If I recall correctly we do have macros for ARRAY_SIZE, check
src/shared/util.h, btw there also seems to be a problem with the
formatting on the above line:

Applying: src/agent.c : parse_io_capability Function optimization
.git/rebase-apply/patch:36: trailing whitespace.
size_t count = sizeof(g_cap) / sizeof(g_cap[0]);
error: 1 line adds whitespace errors.


> +       for (size_t i = 0; i < count; i++)
> +       {
> +               if(g_str_equal(capability, g_cap[i].cap)) {
> +                       return g_cap[i].parse_capability;
> +               }
> +       }
>         return IO_CAPABILITY_INVALID;
>  }
>
> --
> 2.20.1
>
>
>


-- 
Luiz Augusto von Dentz

^ permalink raw reply	[flat|nested] 2+ messages in thread

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2020-07-24 12:25 [PATCH BlueZ 1/1] src/agent.c : parse_io_capability Function optimization luokai
2020-07-27 23:21 ` Luiz Augusto von Dentz

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