Re: iOS datatype size change in 10.x SDK?
Re: iOS datatype size change in 10.x SDK?
- Subject: Re: iOS datatype size change in 10.x SDK?
- From: Carl Hoefs <email@hidden>
- Date: Fri, 10 Feb 2017 16:37:31 -0700
On Feb 7, 2017, at 1:23 PM, Quincey Morris < email@hidden> wrote:
In the referenced documentation, it shows that datatype 'long' and 'long long' are of size 8 bytes, on macOS.
Integer data type | ILP32 size | ILP32 alignment | LP64 size | LP64 alignment |
|---|
|
|
|
|
| long
| 4 bytes | 4 bytes | 8 bytes | 8 bytes | long long
| 8 bytes | 4 bytes | 8 bytes | 8 bytes | |
Since the two are interchangeable, why does clang flag warnings when building for LP64 on macOS?
long long a = 6; long lb = 3; printf("This is formatter one %ld and this is formatter two %lld\n",lla,lb);
Warning: Format specifies type 'long' but the argument has type 'long long' Warning: Format specifies type 'long long' but the argument has type 'long'
-Carl
|
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