[libc] casting macro for user headers #127238
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@llvm/issue-subscribers-libc Author: Nick Desaulniers (nickdesaulniers)
@enh-google saw our endian.h and mentioned `__BIONIC_CAST`.
https://android.googlesource.com/platform/bionic/+/main/libc/include/sys/cdefs.h#57
```c++
#if defined(__cplusplus)
#define __BIONIC_CAST(_k,_t,_v) (_k<_t>(_v))
#else
#define __BIONIC_CAST(_k,_t,_v) ((_t) (_v))
#endif
```
maybe interesting to add that to libc/include/__llvm-libc-common.h and use more in our user facing headers.
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c8ef
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Feb 19, 2025
related: #127238 This patch adds a macro called `LLVM_LIBC_CAST`, similar to `__BIONIC_CAST`, for type conversion in `endian.h`.
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Since the patch has landed, I believe we can now close this issue :-) |
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@enh-google saw our endian.h and mentioned
__BIONIC_CAST.https://android.googlesource.com/platform/bionic/+/main/libc/include/sys/cdefs.h#57
maybe interesting to add that to libc/include/__llvm-libc-common.h and use more in our user facing headers.
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