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| author | Tavian Barnes <tavianator@tavianator.com> | 2024-04-18 16:24:56 -0400 |
|---|---|---|
| committer | Tavian Barnes <tavianator@tavianator.com> | 2024-04-19 15:50:45 -0400 |
| commit | 536075930140c7886c61997be31c41d651f48818 (patch) | |
| tree | 2c3f0f9a92dde34213608ebbeaf638a8958cec11 | |
| parent | 1207086b5a6341412c647480eea68c870b18bba1 (diff) | |
| download | bfs-536075930140c7886c61997be31c41d651f48818.tar.xz | |
config: Check for confstr()
| -rw-r--r-- | config/confstr.c | 9 | ||||
| -rw-r--r-- | config/header.mk | 1 | ||||
| -rw-r--r-- | src/bfstd.c | 10 |
3 files changed, 15 insertions, 5 deletions
diff --git a/config/confstr.c b/config/confstr.c new file mode 100644 index 0000000..58280b4 --- /dev/null +++ b/config/confstr.c @@ -0,0 +1,9 @@ +// Copyright © Tavian Barnes <tavianator@tavianator.com> +// SPDX-License-Identifier: 0BSD + +#include <unistd.h> + +int main(void) { + confstr(_CS_PATH, NULL, 0); + return 0; +} diff --git a/config/header.mk b/config/header.mk index cc4ae05..b6915d5 100644 --- a/config/header.mk +++ b/config/header.mk @@ -9,6 +9,7 @@ include config/exports.mk # All header fragments we generate HEADERS := \ + ${GEN}/confstr.h \ ${GEN}/getdents.h \ ${GEN}/getdents64.h \ ${GEN}/getdents64-syscall.h \ diff --git a/src/bfstd.c b/src/bfstd.c index e8a927a..3eff024 100644 --- a/src/bfstd.c +++ b/src/bfstd.c @@ -581,10 +581,7 @@ int xfaccessat(int fd, const char *path, int amode) { } char *xconfstr(int name) { -#if __ANDROID__ - errno = ENOTSUP; - return NULL; -#else +#if BFS_HAS_CONFSTR size_t len = confstr(name, NULL, 0); if (len == 0) { return NULL; @@ -601,7 +598,10 @@ char *xconfstr(int name) { } return str; -#endif // !__ANDROID__ +#else + errno = ENOTSUP; + return NULL; +#endif } char *xreadlinkat(int fd, const char *path, size_t size) { |