remove sys_types from sys_statvfs header

src/header/bits_sys_statvfs/cbindgen.toml

@@ -0,0 +1,20 @@
+# POSIX header spec: https://pubs.opengroup.org/onlinepubs/9799919799/basedefs/sys_types.h.html
+#
+# These types are split out to prevent importing all of sys/types.h into sys/statvfs.h.
+#
+# POSIX headers that require fsblkcnt_t and fsfilcnt_t:
+# - sys/statvfs.h
+# - sys/types.h (where they should be defined)
+sys_includes = []
+include_guard = "_RELIBC_BITS_SYS_STATVFS_H"
+language = "C"
+style = "type"
+no_includes = true
+cpp_compat = true
+[export]
+include = [
+  "fsblkcnt_t",
+  "fsfilcnt_t"
+]
+[enum]
+prefix_with_name = true

src/header/bits_sys_statvfs/mod.rs

@@ -0,0 +1,8 @@
+use crate::platform::types::c_ulong;
+
+/// Used for file system block counts.
+#[allow(non_camel_case_types)]
+pub type fsblkcnt_t = c_ulong;
+/// Used for file system file counts.
+#[allow(non_camel_case_types)]
+pub type fsfilcnt_t = c_ulong;

src/header/mod.rs

@@ -35,6 +35,7 @@ pub mod bits_socklen_t;
 pub mod bits_ssize_t;
 #[path = "bits_suseconds-t/mod.rs"]
 pub mod bits_suseconds_t;
+pub mod bits_sys_statvfs;
 #[path = "bits_time-t/mod.rs"]
 pub mod bits_time_t;
 pub mod bits_timespec;

src/header/sys_statvfs/cbindgen.toml

@@ -2,7 +2,10 @@
 #
 # Spec quotations relating to includes:
 # - "The <sys/statvfs.h> header shall define the fsblkcnt_t and fsfilcnt_t types as described in <sys/types.h>."
-sys_includes = ["sys/types.h"]
+sys_includes = []
+after_includes = """
+#include <bits/sys/statvfs.h> // for fsblkcnt_t and fsfilcnt_t from sys/types.h
+"""
 include_guard = "_RELIBC_SYS_STATVFS_H"
 language = "C"
 style = "Tag"

src/header/sys_types_internal/cbindgen.toml

@@ -11,6 +11,7 @@ after_includes = """
 #include <bits/pid-t.h>
 #include <bits/ssize-t.h>
 #include <bits/suseconds-t.h>
+#include <bits/sys/statfvs.h> // for fsblkcnt_t and fsfilcnt_t
 #include <bits/time-t.h>
 #include <bits/uid-t.h>
 
@@ -30,8 +31,6 @@ include = [
   "nlink_t",
   "useconds_t",
   "blkcnt_t",
-  "fsblkcnt_t",
-  "fsfilcnt_t",
   "u_char",
   "uchar",
   "u_short",

src/header/sys_types_internal/mod.rs

@@ -8,9 +8,18 @@
 //! for the old specification.
 
 pub use crate::header::{
-    bits_clock_t::clock_t, bits_clockid_t::clockid_t, bits_gid_t::gid_t, bits_id_t::id_t,
-    bits_mode_t::mode_t, bits_off_t::off_t, bits_pid_t::pid_t, bits_ssize_t::ssize_t,
-    bits_suseconds_t::suseconds_t, bits_time_t::time_t, bits_uid_t::uid_t,
+    bits_clock_t::clock_t,
+    bits_clockid_t::clockid_t,
+    bits_gid_t::gid_t,
+    bits_id_t::id_t,
+    bits_mode_t::mode_t,
+    bits_off_t::off_t,
+    bits_pid_t::pid_t,
+    bits_ssize_t::ssize_t,
+    bits_suseconds_t::suseconds_t,
+    bits_sys_statvfs::{fsblkcnt_t, fsfilcnt_t},
+    bits_time_t::time_t,
+    bits_uid_t::uid_t,
 };
 use crate::platform::types::{
     c_char, c_long, c_longlong, c_uchar, c_uint, c_ulong, c_ulonglong, c_ushort,
@@ -33,11 +42,6 @@ pub type useconds_t = c_uint;
 /// Used for file block counts.
 pub type blkcnt_t = c_longlong;
 
-/// Used for file system block counts.
-pub type fsblkcnt_t = c_ulong;
-/// Used for file system file counts.
-pub type fsfilcnt_t = c_ulong;
-
 pub type u_char = c_uchar;
 pub type uchar = c_uchar;
 pub type u_short = c_ushort;