simplify a few accesses to fields of structs, using auxiliary pointer

variables that are already present (and used nearby) in the code;
no functional change

diff --git a/usr.bin/mandoc/out.c b/usr.bin/mandoc/out.c
index dc4e4de..e681997 100644 (file)
--- a/usr.bin/mandoc/out.c
+++ b/usr.bin/mandoc/out.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: out.c,v 1.56 2021/10/17 20:47:54 schwarze Exp $ */
+/*     $OpenBSD: out.c,v 1.57 2021/10/17 21:03:05 schwarze Exp $ */
 /*
  * Copyright (c) 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
  * Copyright (c) 2011, 2014, 2015, 2017, 2018, 2019, 2021
@@ -245,13 +245,13 @@ tblcalc(struct rofftbl *tbl, const struct tbl_span *sp_first,
                                done = 1;
                                break;
                        } else
-                               (*gp)->wanted -= width;
+                               g->wanted -= width;
                }
                if (done) {
                        *gp = g->next;
                        free(g);
                } else
-                       gp = &(*gp)->next;
+                       gp = &g->next;
        }
 
        colwidth = mandoc_reallocarray(NULL, maxcol + 1, sizeof(*colwidth));
@@ -324,7 +324,7 @@ tblcalc(struct rofftbl *tbl, const struct tbl_span *sp_first,
                                *gp = g->next;
                                free(g);
                        } else
-                               gp = &(*gp)->next;
+                               gp = &g->next;
                }
        }
        free(colwidth);