On 2021/12/1 10:55, Leizhen (ThunderTown) wrote:
>>> + }
>>>
>>> - memblock_cap_memory_range(cap_mem_addr, cap_mem_size);
>>> + memblock_cap_memory_range(rgn[0].base, rgn[0].size);
>>> + for (i = 1; i < MAX_USABLE_RANGES && rgn[i].size; i++)
>> s/ &&/,/
Hi Rob:
I want to keep "&&" unchanged, do you mind? I'm going to post an
updated version tomorrow, hopefully the last.
> Hi Rob:
>
> The comma operator may not be suitable for logical judgment. The logical judgment
> before commas (,) is ignored.
>
> Here's my test：
>
> C code：
> int main()
> {
> int i, j;
>
> printf("&&:\n");
> for (i = 0, j = 0; i < 2 && j < 3; i++, j++)
> printf("i=%d, j=%d\n", i, j);
>
> printf("\ncomma:\n");
> for (i = 0, j = 0; i < 2, j < 3; i++, j++) //(i < 2） before comma is ignored
> printf("i=%d, j=%d\n", i, j);
>
> return 0;
> }
>
> Output：
> &&:
> i=0, j=0
> i=1, j=1
>
> comma:
> i=0, j=0
> i=1, j=1
> i=2, j=2
>
>
