From 7a81d791a4f58afb29197c5bbe960163bf471c42 Mon Sep 17 00:00:00 2001
From: Alejandro Colomar <alx@kernel.org>
Date: Sat, 12 Aug 2023 14:48:56 +0200
Subject: tests/: Fix includes

Signed-off-by: Alejandro Colomar <alx@kernel.org>
---
 tests/cxx/badinc-inl.h  | 2 +-
 tests/cxx/badinc.cc     | 6 +++---
 tests/cxx/badinc.h      | 6 +++++-
 tests/cxx/std_size_t.cc | 2 +-
 4 files changed, 10 insertions(+), 6 deletions(-)

diff --git a/tests/cxx/badinc-inl.h b/tests/cxx/badinc-inl.h
index 58c5147..4b261fd 100644
--- a/tests/cxx/badinc-inl.h
+++ b/tests/cxx/badinc-inl.h
@@ -10,7 +10,7 @@
 #ifndef INCLUDE_WHAT_YOU_USE_TESTS_CXX_BADINC_INL_H_
 #define INCLUDE_WHAT_YOU_USE_TESTS_CXX_BADINC_INL_H_
 
-#include <locale.h>   // the way to get NULL without size_t
+#include <stddef.h>
 #include "tests/cxx/badinc-private.h"
 #include "tests/cxx/badinc-private2.h"
 
diff --git a/tests/cxx/badinc.cc b/tests/cxx/badinc.cc
index 2986798..0c42ea2 100644
--- a/tests/cxx/badinc.cc
+++ b/tests/cxx/badinc.cc
@@ -57,6 +57,8 @@
 // Some of the #include lines are deliberately formatted wrong, in
 // order to test that IWYU handles them correctly.
 #include  <math.h>    // not actually used
+#include <stdarg.h>
+
 #include <typeinfo>   // for typeid
 #include "tests/cxx/badinc-inl.h"
 #include  "tests/cxx/badinc.h"
@@ -1063,9 +1065,6 @@ int main() {
   // IWYU: I1_PtrDereferenceClass needs a declaration
   I1_PtrDereferenceClass* local_i1_ptrdereference_class = 0;
   int x;
-  // va_list is normally in <stdarg.h>, but we already have <stdio.h>
-  // available, so mappings will source it from there.
-  // IWYU: va_list is...*<stdio.h>
   va_list vl;
   D1_I1_Typedef d1_i1_typedef;
   // IWYU: i1_int is...*badinc-i1.h
@@ -1837,6 +1836,7 @@ The full include-list for tests/cxx/badinc.cc:
 #include <ctype.h>  // for isascii
 #include <setjmp.h>
 #include <stddef.h>  // for offsetof
+#include <stdarg.h>  // for va_list
 #include <algorithm>  // for find
 #include <fstream>  // for fstream
 #include <list>  // for list
diff --git a/tests/cxx/badinc.h b/tests/cxx/badinc.h
index 75cbf4d..fae667e 100644
--- a/tests/cxx/badinc.h
+++ b/tests/cxx/badinc.h
@@ -14,8 +14,11 @@
 #include <ctype.h>  // used only in badinc.cc
 #include <errno.h>  // used both here and in badinc.cc
 #include <math.h>
+#include <stddef.h>
+
 #include <queue>    // used only in this .h file, not in any other file.
 #include <string>
+
 #include "tests/cxx/badinc-d2.h"
 #include "tests/cxx/badinc-d3.h"
 
@@ -391,7 +394,8 @@ tests/cxx/badinc.h should remove these lines:
 
 The full include-list for tests/cxx/badinc.h:
 #include <errno.h>  // for errno
-#include <stdio.h>  // for NULL, printf
+#include <stddef.h> // for NULL
+#include <stdio.h>  // for printf
 #include <queue>  // for queue
 #include <set>  // for set
 #include <string>  // for string
diff --git a/tests/cxx/std_size_t.cc b/tests/cxx/std_size_t.cc
index 9f9824a..d5f45d2 100644
--- a/tests/cxx/std_size_t.cc
+++ b/tests/cxx/std_size_t.cc
@@ -21,7 +21,7 @@
 #include <stdio.h>
 
 std::size_t f() {
-  const size_t x = 100;
+  const std::size_t x = 100;
   printf("%zu\n", x);
   return sizeof(int);
 }
-- 
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