options/posix: fcntl.h: guard GNU extension behind _GNU_SOURCE

managarm · Aug 4, 2023 · ca133ca · ca133ca
1 parent 706007d
commit ca133ca
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/options/posix/include/fcntl.h b/options/posix/include/fcntl.h
@@ -39,20 +39,28 @@ int posix_fallocate(int, off_t, off_t);
 
 // This is a linux extension
 
+#ifdef _GNU_SOURCE
+
 struct file_handle {
         unsigned int handle_bytes;
         int handle_type;
         unsigned char f_handle[0];
 };
 
+#endif /* _GNU_SOURCE */
+
 #ifndef __MLIBC_ABI_ONLY
 
+#ifdef _GNU_SOURCE
+
 int name_to_handle_at(int, const char *, struct file_handle *, int *, int);
 int open_by_handle_at(int, struct file_handle *, int);
 
 ssize_t splice(int fd_in, off_t *off_in, int fd_out, off_t *off_out, size_t len, unsigned int flags);
 ssize_t vmsplice(int fd, const struct iovec *iov, size_t nr_segs, unsigned int flags);
 
+#endif /* _GNU_SOURCE */
+
 #endif /* !__MLIBC_ABI_ONLY */
 
 #define SPLICE_F_MOVE 1