[groff] 04/04: [groff]: Trivially refactor.

[G. Branden Robinson]

gbranden pushed a commit to branch master
in repository groff.

commit ba098ad1dc1405c59d762cc23d0ca7a476bac356
Author: G. Branden Robinson <g.branden.robinson@gmail.com>
AuthorDate: Wed Jun 22 20:28:43 2022 -0500

    [groff]: Trivially refactor.
    
    * src/roff/groff/groff.cpp (run_commands): Trivially refactor.  Rename
      variable for clarity; add comment.
---
 ChangeLog                | 5 +++++
 src/roff/groff/groff.cpp | 8 ++++----
 2 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index d20a86e9..a409e7af 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2022-06-27  G. Branden Robinson <g.branden.robinson@gmail.com>
+
+       * src/roff/groff/groff.cpp (run_commands): Trivially refactor.
+       Rename variable for clarity; add comment.
+
 2022-06-27  G. Branden Robinson <g.branden.robinson@gmail.com>
 
        * src/preproc/html/pre-html.cpp
diff --git a/src/roff/groff/groff.cpp b/src/roff/groff/groff.cpp
index 6315f4f9..b9c9f416 100644
--- a/src/roff/groff/groff.cpp
+++ b/src/roff/groff/groff.cpp
@@ -609,12 +609,12 @@ void print_commands(FILE *fp)
 
 int run_commands(int no_pipe)
 {
-  char **v[NCOMMANDS];
-  int j = 0;
+  char **v[NCOMMANDS]; // vector of argv arrays to pipe together
+  int ncommands = 0;
   for (int i = 0; i < NCOMMANDS; i++)
     if (commands[i].get_name() != 0 /* nullptr */)
-      v[j++] = commands[i].get_argv();
-  return run_pipeline(j, v, no_pipe);
+      v[ncommands++] = commands[i].get_argv();
+  return run_pipeline(ncommands, v, no_pipe);
 }
 
 possible_command::possible_command()