[groff] 07/28: src/preproc/pic/pic.ypp: Annotate null pointers.

[G. Branden Robinson]

gbranden pushed a commit to branch master
in repository groff.

commit e7a6373e6c6cf47c3477fe5eee59247048461687
Author: G. Branden Robinson <g.branden.robin...@gmail.com>
AuthorDate: Wed Nov 12 06:55:30 2025 -0600

    src/preproc/pic/pic.ypp: Annotate null pointers.
    
    ...with `nullptr` comment to ease any future transition to C++11, which
    defines it as a keyword.
---
 src/preproc/pic/pic.ypp | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/src/preproc/pic/pic.ypp b/src/preproc/pic/pic.ypp
index 2ccc1e3aa..4bb8a6c57 100644
--- a/src/preproc/pic/pic.ypp
+++ b/src/preproc/pic/pic.ypp
@@ -79,7 +79,7 @@ implement_ptable(place)
 PTABLE(place) top_table;
 
 PTABLE(place) *current_table = &top_table;
-saved_state *current_saved_state = 0;
+saved_state *current_saved_state = 0 /* nullptr */;
 
 object_list olist;
 
@@ -359,7 +359,7 @@ placeless_element:
                    lex_error("variable '%1' not defined", $1);
                    YYABORT;
                  }
-                 p->obj = 0;
+                 p->obj = 0 /* nullptr */;
                  p->x = $4;
                  p->y = 0.0;
                  free($1);
@@ -521,7 +521,7 @@ print_arg:
                {
                  $$.str = new char[GDIGITS + 1];
                  sprintf($$.str, "%g", $1);
-                 $$.filename = 0;
+                 $$.filename = 0 /* nullptr */;
                  $$.lineno = 0;
                }
        | text
@@ -530,7 +530,7 @@ print_arg:
                {
                  $$.str = new char[GDIGITS + 2 + GDIGITS + 1];
                  sprintf($$.str, "%g, %g", $1.x, $1.y);
-                 $$.filename = 0;
+                 $$.filename = 0 /* nullptr */;
                  $$.lineno = 0;
                }
        ;
@@ -613,7 +613,7 @@ element:
                {
                  $$.obj = $1->make_object(&current_position,
                                           &current_direction);
-                 if ($$.obj == 0)
+                 if ($$.obj == 0 /* nullptr */)
                    YYABORT;
                  delete $1;
                  if ($$.obj)
@@ -631,7 +631,7 @@ element:
                }
        | LABEL ':' optional_separator position_not_place
                {
-                 $$.obj = 0;
+                 $$.obj = 0 /* nullptr */;
                  $$.x = $4.x;
                  $$.y = $4.y;
                  define_label($1, & $$);
@@ -661,7 +661,7 @@ element:
                }
        | placeless_element
                {
-                 $$.obj = 0;
+                 $$.obj = 0 /* nullptr */;
                  $$.x = current_position.x;
                  $$.y = current_position.y;
                }
@@ -1816,7 +1816,7 @@ place *lookup_label(const char *label)
     if (pl)
       return pl;
     if (!state)
-      return 0;
+      return 0 /* nullptr */;
     tbl = state->tbl;
     state = state->prev;
   }

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