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Posted to commits@nuttx.apache.org by "casaroli (via GitHub)" <gi...@apache.org> on 2026/10/13 12:41:09 UTC
[PR] include: Fix sys/wait.h without stdbool.h, and add MAXPATHLEN and in6addr_loopback. [nuttx]
casaroli opened a new pull request, #20635:
URL: https://github.com/apache/nuttx/pull/20635
## Summary
Three small gaps in the headers, one commit each:
- `sys/wait.h`: `WIFCONTINUED()`, `WIFSIGNALED()`, `WIFSTOPPED()` and `WSTOPSIG()` expand to `false`, but `sys/wait.h` does not include `stdbool.h`. A C program that uses them without `stdbool.h` does not compile (`'false' undeclared`). They now expand to 0.
- `netinet/in.h`: POSIX defines `in6addr_loopback` next to `in6addr_any`, and `IN6_IS_ADDR_MC_NODELOCAL()`, `_SITELOCAL()`, `_ORGLOCAL()` and `_GLOBAL()` next to `IN6_IS_ADDR_MC_LINKLOCAL()`. NuttX has only the latter of each. This PR adds them, with the multicast scopes of RFC 4291.
- `sys/param.h`: BSD code sizes path buffers with `MAXPATHLEN`, as it does host names with `MAXHOSTNAMELEN`, which NuttX already defines. This PR adds it as `PATH_MAX`.
## Impact
Headers only, plus the `in6addr_loopback` constant in `lib_addrconfig.c`. Existing code does not change. More portable code compiles.
## Testing
A test file that includes `sys/param.h`, `sys/wait.h` and `netinet/in.h` (no `stdbool.h`) and uses `MAXPATHLEN`, the four `sys/wait.h` macros, the four new `IN6_IS_ADDR_MC_*()` macros and `in6addr_loopback`, compiled with `aarch64-none-elf-gcc -std=c99 -Wall -fsyntax-only` against the `qemu-armv8a:nsh` headers:
```
master: error: 'MAXPATHLEN' undeclared here (not in a function)
error: 'false' undeclared (first use in this function)
error: implicit declaration of function 'IN6_IS_ADDR_MC_NODELOCAL'
error: 'in6addr_loopback' undeclared (first use in this function)
this PR: no errors, no warnings
```
Build: `qemu-armv8a:nsh`, `qemu-armv8a:knsh` and `lm3s6965-ek:qemu-flat`.
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Re: [PR] include: Fix sys/wait.h without stdbool.h, and add MAXPATHLEN and in6addr_loopback. [nuttx]
Posted by "xiaoxiang781216 (via GitHub)" <gi...@apache.org>.
xiaoxiang781216 merged PR #20635:
URL: https://github.com/apache/nuttx/pull/20635
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Re: [PR] include: Fix sys/wait.h without stdbool.h, and add MAXPATHLEN and in6addr_loopback. [nuttx]
Posted by "github-actions[bot] (via GitHub)" <gi...@apache.org>.
github-actions[bot] commented on PR #20635:
URL: https://github.com/apache/nuttx/pull/20635#issuecomment-6156489651
<!-- membrowse-pr-comment -->
## <img src="https://membrowse.com/membrowse-logo.svg" height="24" align="top"> MemBrowse Memory Report
*No memory changes detected for:*
- [arduino-mega2560](https://membrowse.com/public/apache/nuttx/target/arduino-mega2560/compare?head=56a1263818c6afc051399a6ec3dd41a17eb097d7&base=bb4d8691759e59aaab6f9fb604a29cf3e6d3705a)
- [esp32-devkitc](https://membrowse.com/public/apache/nuttx/target/esp32-devkitc/compare?head=56a1263818c6afc051399a6ec3dd41a17eb097d7&base=bb4d8691759e59aaab6f9fb604a29cf3e6d3705a)
- [hifive1-revb](https://membrowse.com/public/apache/nuttx/target/hifive1-revb/compare?head=56a1263818c6afc051399a6ec3dd41a17eb097d7&base=bb4d8691759e59aaab6f9fb604a29cf3e6d3705a)
- [mirtoo](https://membrowse.com/public/apache/nuttx/target/mirtoo/compare?head=56a1263818c6afc051399a6ec3dd41a17eb097d7&base=bb4d8691759e59aaab6f9fb604a29cf3e6d3705a)
- [qemu-armv8a](https://membrowse.com/public/apache/nuttx/target/qemu-armv8a/compare?head=56a1263818c6afc051399a6ec3dd41a17eb097d7&base=bb4d8691759e59aaab6f9fb604a29cf3e6d3705a)
- [qemu-intel64](https://membrowse.com/public/apache/nuttx/target/qemu-intel64/compare?head=56a1263818c6afc051399a6ec3dd41a17eb097d7&base=bb4d8691759e59aaab6f9fb604a29cf3e6d3705a)
- [rx65n-rsk2mb](https://membrowse.com/public/apache/nuttx/target/rx65n-rsk2mb/compare?head=56a1263818c6afc051399a6ec3dd41a17eb097d7&base=bb4d8691759e59aaab6f9fb604a29cf3e6d3705a)
- [s698pm-dkit](https://membrowse.com/public/apache/nuttx/target/s698pm-dkit/compare?head=56a1263818c6afc051399a6ec3dd41a17eb097d7&base=bb4d8691759e59aaab6f9fb604a29cf3e6d3705a)
- [stm32-nucleo-f103rb](https://membrowse.com/public/apache/nuttx/target/stm32-nucleo-f103rb/compare?head=56a1263818c6afc051399a6ec3dd41a17eb097d7&base=bb4d8691759e59aaab6f9fb604a29cf3e6d3705a)
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