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Dale Weiler
2021-08-22 10:05:27 -04:00
parent b39a4f3e3b
commit 791d7f764b
18 changed files with 19 additions and 21 deletions
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core/c/libc/README.md
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@@ -44,9 +44,6 @@ As Odin lacks a means to interact with `long double` in it's foreign interface,
### `<complex.h>` ### `<complex.h>`
The special values `_Complex_I`, `_Imaginary_I` and the appropriate definition of `I` cannot be realized with the same type in Odin as it would be in C. The literal `1i` is tempting to use for these definitions but the semantics differ from C and would be confusing to use. The special values `_Complex_I`, `_Imaginary_I` and the appropriate definition of `I` cannot be realized with the same type in Odin as it would be in C. The literal `1i` is tempting to use for these definitions but the semantics differ from C and would be confusing to use.
### `<inttypes.h>`
The `{int,uint}_fast{8,16,32,64}_t` integer types are not defined as there's no reliable way to query these types. Not only are they dependent
### `<math.h>` ### `<math.h>`
The classification functions, e.g: `fpclassify` are required by C to be implemented as macros, meaning no implementation would expose functions in their library we could bind. Instead, we provide native Odin implementations with functionally equivalent semantics and behavior as the C ones. Unfortunately, since classification returns unspecified constant values this may be an ABI break where the value of those constants enter and exit native C code. The classification functions, e.g: `fpclassify` are required by C to be implemented as macros, meaning no implementation would expose functions in their library we could bind. Instead, we provide native Odin implementations with functionally equivalent semantics and behavior as the C ones. Unfortunately, since classification returns unspecified constant values this may be an ABI break where the value of those constants enter and exit native C code.
@@ -64,7 +61,8 @@ C has some strange promotion and type-coercion behavior for `<tgmath.h>` which i
In addition to limitations, there are some minor caveats you should be aware when using this projection. In addition to limitations, there are some minor caveats you should be aware when using this projection.
* `errno()` is a function which returns `^int` rather than a macro. * `errno()` is a function which returns `^int` rather than a macro.
* `MB_CUR_MAX` is a function which return `size_t` rather than a macro. * `MB_CUR_MAX()` is a function which return `size_t` rather than a macro.
* Currently only works on Windows (MSVCRT) and Linux (GLIBC or MUSL)
## License ## License
Every file within this directory is made available under Odin's BSD-2 license Every file within this directory is made available under Odin's BSD-2 license