[groff] 38/80: [libdriver]: Align with modern groff conventions.

[G. Branden Robinson]

gbranden pushed a commit to branch master
in repository groff.

commit ec7972b238301eb2fa9cfc5f856280406883171f
Author: G. Branden Robinson <g.branden.robinson@gmail.com>
AuthorDate: Wed Nov 27 21:08:01 2024 -0600

    [libdriver]: Align with modern groff conventions.
    
    * src/libs/libdriver/input.cpp: Add Autoconf "<config.h>"-inclusion
      boilerplate to these translation units.  Include system library
      headers before local ones.
    
    * src/libs/libdriver/printer.cpp: Include required system library header
      files.
---
 ChangeLog                      | 10 ++++++++++
 src/libs/libdriver/input.cpp   | 17 +++++++++++------
 src/libs/libdriver/printer.cpp |  4 +++-
 3 files changed, 24 insertions(+), 7 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 51bd547d4..d48019e19 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,13 @@
+2024-11-27  G. Branden Robinson <g.branden.robinson@gmail.com>
+
+       [libdriver]: Align with modern groff conventions.
+
+       * src/libs/libdriver/input.cpp: Add Autoconf "<config.h>"-
+       inclusion boilerplate to these translation units.  Include
+       system library headers before local ones.
+       * src/libs/libdriver/printer.cpp: Include required system
+       library header files.
+
 2024-11-27  G. Branden Robinson <g.branden.robinson@gmail.com>
 
        [grotty]: Align with modern groff conventions.
diff --git a/src/libs/libdriver/input.cpp b/src/libs/libdriver/input.cpp
index 441e6817a..c5ef0671c 100644
--- a/src/libs/libdriver/input.cpp
+++ b/src/libs/libdriver/input.cpp
@@ -1,4 +1,4 @@
-/* Copyright (C) 1989-2020 Free Software Foundation, Inc.
+/* Copyright (C) 1989-2024 Free Software Foundation, Inc.
 
    Written by James Clark (jjc@jclark.com)
    Major rewrite 2001 by Bernd Warken <groff-bernd.warken-72@web.de>
@@ -232,13 +232,18 @@
 // should be used.
 #undef USE_ENV_STACK
 
-#include "driver.h"
-#include "device.h"
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
 
-#include <stdlib.h>
+#include <ctype.h> // isdigit()
 #include <errno.h>
-#include <ctype.h>
-#include <math.h>
+#include <stdio.h> // EOF, FILE, fclose(), fopen(), getc(), stdin,
+                  // ungetc()
+#include <stdlib.h> // strtol()
+
+#include "driver.h"
+#include "device.h"
 
 
 /**********************************************************************
diff --git a/src/libs/libdriver/printer.cpp b/src/libs/libdriver/printer.cpp
index e0ae69226..f8c99a4e7 100644
--- a/src/libs/libdriver/printer.cpp
+++ b/src/libs/libdriver/printer.cpp
@@ -1,4 +1,4 @@
-/* Copyright (C) 1989-2020 Free Software Foundation, Inc.
+/* Copyright (C) 1989-2024 Free Software Foundation, Inc.
    Written by James Clark (jjc@jclark.com)
 
    This file is part of groff.
@@ -22,6 +22,8 @@
 #endif
 
 #include <assert.h>
+#include <errno.h> // EINVAL, errno
+#include <stdio.h> // clearerr(), ferror(), fflush(), stdout
 
 #include "driver.h"