* [PATCH] display/vmware_vga: Fix bad printf format specifiers
@ 2020-11-19 3:01 Alex Chen
2020-11-19 6:16 ` Philippe Mathieu-Daudé
0 siblings, 1 reply; 3+ messages in thread
From: Alex Chen @ 2020-11-19 3:01 UTC (permalink / raw)
To: quintela, pbonzini
Cc: alex.chen, qemu-trivial, peter.maydell, qemu-devel, zhang.zhanghailiang
We should use printf format specifier "%u" instead of "%d" for
argument of type "unsigned int".
Reported-by: Euler Robot <euler.robot@huawei.com>
Signed-off-by: Alex Chen <alex.chen@huawei.com>
---
hw/display/vmware_vga.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/hw/display/vmware_vga.c b/hw/display/vmware_vga.c
index bef0d7d69a..f93bbe15c2 100644
--- a/hw/display/vmware_vga.c
+++ b/hw/display/vmware_vga.c
@@ -534,7 +534,7 @@ static inline void vmsvga_cursor_define(struct vmsvga_state_s *s,
#endif
break;
default:
- fprintf(stderr, "%s: unhandled bpp %d, using fallback cursor\n",
+ fprintf(stderr, "%s: unhandled bpp %u, using fallback cursor\n",
__func__, c->bpp);
cursor_put(qc);
qc = cursor_builtin_left_ptr();
--
2.19.1
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH] display/vmware_vga: Fix bad printf format specifiers
2020-11-19 3:01 [PATCH] display/vmware_vga: Fix bad printf format specifiers Alex Chen
@ 2020-11-19 6:16 ` Philippe Mathieu-Daudé
2020-11-19 9:18 ` Alex Chen
0 siblings, 1 reply; 3+ messages in thread
From: Philippe Mathieu-Daudé @ 2020-11-19 6:16 UTC (permalink / raw)
To: Alex Chen, quintela, pbonzini
Cc: qemu-trivial, peter.maydell, qemu-devel, zhang.zhanghailiang
Hi Alex,
On 11/19/20 4:01 AM, Alex Chen wrote:
> We should use printf format specifier "%u" instead of "%d" for
> argument of type "unsigned int".
>
> Reported-by: Euler Robot <euler.robot@huawei.com>
> Signed-off-by: Alex Chen <alex.chen@huawei.com>
> ---
> hw/display/vmware_vga.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/hw/display/vmware_vga.c b/hw/display/vmware_vga.c
> index bef0d7d69a..f93bbe15c2 100644
> --- a/hw/display/vmware_vga.c
> +++ b/hw/display/vmware_vga.c
> @@ -534,7 +534,7 @@ static inline void vmsvga_cursor_define(struct vmsvga_state_s *s,
> #endif
> break;
> default:
> - fprintf(stderr, "%s: unhandled bpp %d, using fallback cursor\n",
> + fprintf(stderr, "%s: unhandled bpp %u, using fallback cursor\n",
> __func__, c->bpp);
The format fix is correct, but since you change that line,
"fprintf(stderr)" is old code, nowadays we prefer get rid of it
by using warn_report() in place (see "qemu/error-report.h").
Preferably using warn_report():
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
> cursor_put(qc);
> qc = cursor_builtin_left_ptr();
>
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH] display/vmware_vga: Fix bad printf format specifiers
2020-11-19 6:16 ` Philippe Mathieu-Daudé
@ 2020-11-19 9:18 ` Alex Chen
0 siblings, 0 replies; 3+ messages in thread
From: Alex Chen @ 2020-11-19 9:18 UTC (permalink / raw)
To: Philippe Mathieu-Daudé
Cc: peter.maydell, zhang.zhanghailiang, quintela, qemu-trivial,
qemu-devel, pbonzini
Hi Philippe,
On 2020/11/19 14:16, Philippe Mathieu-Daudé wrote:
> Hi Alex,
>
> On 11/19/20 4:01 AM, Alex Chen wrote:
>> We should use printf format specifier "%u" instead of "%d" for
>> argument of type "unsigned int".
>>
>> Reported-by: Euler Robot <euler.robot@huawei.com>
>> Signed-off-by: Alex Chen <alex.chen@huawei.com>
>> ---
>> hw/display/vmware_vga.c | 2 +-
>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/hw/display/vmware_vga.c b/hw/display/vmware_vga.c
>> index bef0d7d69a..f93bbe15c2 100644
>> --- a/hw/display/vmware_vga.c
>> +++ b/hw/display/vmware_vga.c
>> @@ -534,7 +534,7 @@ static inline void vmsvga_cursor_define(struct vmsvga_state_s *s,
>> #endif
>> break;
>> default:
>> - fprintf(stderr, "%s: unhandled bpp %d, using fallback cursor\n",
>> + fprintf(stderr, "%s: unhandled bpp %u, using fallback cursor\n",
>> __func__, c->bpp);
>
> The format fix is correct, but since you change that line,
> "fprintf(stderr)" is old code, nowadays we prefer get rid of it
> by using warn_report() in place (see "qemu/error-report.h").
>
Thanks for your review, since fprintf() is used elsewhere in vmware_vga.c,
I will send a new patch to replace all fprintf() with warn_report() in vmware_vga.c.
In addition, is there better to use error_report() instead of warn_report() here?
Thanks,
Alex
^ permalink raw reply [flat|nested] 3+ messages in thread
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2020-11-19 3:01 [PATCH] display/vmware_vga: Fix bad printf format specifiers Alex Chen
2020-11-19 6:16 ` Philippe Mathieu-Daudé
2020-11-19 9:18 ` Alex Chen
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