Re: [kvm-unit-tests RFC PATCH v2 2/5] lib/{bitops, alloc_page}.h: Add missing headers

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Hi Eric,

On 10/30/20 3:29 PM, Auger Eric wrote:
> Hi Alexandru,
> On 10/27/20 6:19 PM, Alexandru Elisei wrote:
>> bitops.h uses the 'bool' and 'size_t' types, but doesn't include the
>> stddef.h and stdbool.h headers, where the types are defined. This can cause
>> the following error when compiling:
>>
>> In file included from arm/new-test.c:9:
>> /path/to/kvm-unit-tests/lib/bitops.h:77:15: error: unknown type name 'bool'
>>    77 | static inline bool is_power_of_2(unsigned long n)
>>       |               ^~~~
>> /path/to/kvm-unit-tests/lib/bitops.h:82:38: error: unknown type name 'size_t'
>>    82 | static inline unsigned int get_order(size_t size)
>>       |                                      ^~~~~~
>> /path/to/kvm-unit-tests/lib/bitops.h:24:1: note: 'size_t' is defined in header '<stddef.h>'; did you forget to '#include <stddef.h>'?
>>    23 | #include <asm/bitops.h>
>>   +++ |+#include <stddef.h>
>>    24 |
>> make: *** [<builtin>: arm/new-test.o] Error 1
>>
>> The same errors were observed when including alloc_page.h. Fix both files
>> by including stddef.h and stdbool.h.
>>
>> Signed-off-by: Alexandru Elisei <alexandru.elisei@xxxxxxx>
>> ---
>>  lib/alloc_page.h | 2 ++
>>  lib/bitops.h     | 2 ++
>>  2 files changed, 4 insertions(+)
>>
>> diff --git a/lib/alloc_page.h b/lib/alloc_page.h
>> index 88540d1def06..182862c43363 100644
>> --- a/lib/alloc_page.h
>> +++ b/lib/alloc_page.h
>> @@ -4,6 +4,8 @@
>>   * This is a simple allocator that provides contiguous physical addresses
>>   * with byte granularity.
>>   */
>> +#include <stdbool.h>
>> +#include <stddef.h>
> nit: you may move those includes after the #ifndef ALLOC_PAGE_H as it is
> usually done.

Oops, you're right, I missed that, will change.

>>  
>>  #ifndef ALLOC_PAGE_H
>>  #define ALLOC_PAGE_H 1
>> diff --git a/lib/bitops.h b/lib/bitops.h
>> index 308aa86514a8..5aeea0b998b1 100644
>> --- a/lib/bitops.h
>> +++ b/lib/bitops.h
>> @@ -1,5 +1,7 @@
>>  #ifndef _BITOPS_H_
>>  #define _BITOPS_H_
>> +#include <stdbool.h>
>> +#include <stddef.h>
>>  
>>  /*
>>   * Adapted from
>>
> Besides
> Reviewed-by: Eric Auger <eric.auger@xxxxxxxxxx>

Thanks,

Alex




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