[groff] 30/48: [troff]: Boolify env.cpp (21/25).

[G. Branden Robinson]

gbranden pushed a commit to branch master
in repository groff.

commit 13838f2707332f4585b4c10b3720dafdd5a6fd13
Author: G. Branden Robinson <g.branden.robinson@gmail.com>
AuthorDate: Sat Apr 27 05:10:28 2024 -0500

    [troff]: Boolify env.cpp (21/25).
    
    [troff]: Boolify more `environment` class member variables, member
    function parameters, and local variables.
    
    * src/roff/troff/env.h (class environment):
    * src/roff/troff/env.cpp (environment::is_empty): Return a `bool`, not
      an `int`.
---
 ChangeLog              | 4 ++++
 src/roff/troff/env.cpp | 2 +-
 src/roff/troff/env.h   | 2 +-
 3 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index cb12fea06..0a637e4f4 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -164,6 +164,10 @@
        * src/roff/troff/env.h (environment::is_dummy): Return a
        `bool`, not an `int`.
 
+       * src/roff/troff/env.h (class environment):
+       * src/roff/troff/env.cpp (environment::is_empty): Return a
+       `bool`, not an `int`.
+
 2024-04-24  G. Branden Robinson <g.branden.robinson@gmail.com>
 
        * src/roff/troff/env.cpp (tab_stops::to_string)
diff --git a/src/roff/troff/env.cpp b/src/roff/troff/env.cpp
index 1e5f3b53c..d4db2ba69 100644
--- a/src/roff/troff/env.cpp
+++ b/src/roff/troff/env.cpp
@@ -2515,7 +2515,7 @@ void environment::do_break(bool want_adjustment)
   }
 }
 
-int environment::is_empty()
+bool environment::is_empty()
 {
   return !current_tab && line == 0 && pending_lines == 0;
 }
diff --git a/src/roff/troff/env.h b/src/roff/troff/env.h
index 68b82e9a4..35962d7df 100644
--- a/src/roff/troff/env.h
+++ b/src/roff/troff/env.h
@@ -269,7 +269,7 @@ public:
   void print_env();
   void copy(const environment *);
   bool is_dummy() { return dummy; }
-  int is_empty();
+  bool is_empty();
   bool is_composite() { return composite; }
   void set_composite() { composite = true; }
   vunits get_vertical_spacing();       // .v