[src/trunk]: src/lib/libedit libedit: simplify calls to macro ADD_STRING

[rillig <rillig%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/c2c52eca060f
branches:  trunk
changeset: 1022959:c2c52eca060f
user:      rillig <rillig%NetBSD.org@localhost>
date:      Sun Aug 15 22:22:52 2021 +0000

description:
libedit: simplify calls to macro ADD_STRING

The lint comments CONSTCOND and LINTED were not necessary.  It is
simpler to just specify what to free.  GCC optimizes free(NULL) to be a
no-op.

No functional change.

diffstat:

 lib/libedit/readline.c |  15 ++++++---------
 1 files changed, 6 insertions(+), 9 deletions(-)

diffs (53 lines):

diff -r 27dc7874da33 -r c2c52eca060f lib/libedit/readline.c
--- a/lib/libedit/readline.c    Sun Aug 15 22:14:45 2021 +0000
+++ b/lib/libedit/readline.c    Sun Aug 15 22:22:52 2021 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: readline.c,v 1.161 2021/08/15 22:14:45 rillig Exp $    */
+/*     $NetBSD: readline.c,v 1.162 2021/08/15 22:22:52 rillig Exp $    */
 
 /*-
  * Copyright (c) 1997 The NetBSD Foundation, Inc.
@@ -31,7 +31,7 @@
 
 #include "config.h"
 #if !defined(lint) && !defined(SCCSID)
-__RCSID("$NetBSD: readline.c,v 1.161 2021/08/15 22:14:45 rillig Exp $");
+__RCSID("$NetBSD: readline.c,v 1.162 2021/08/15 22:22:52 rillig Exp $");
 #endif /* not lint && not SCCSID */
 
 #include <sys/types.h>
@@ -951,10 +951,7 @@
                            (size += len + 1) * sizeof(*nresult));      \
                        if (nresult == NULL) {                          \
                                el_free(*output);                       \
-                               if (/*CONSTCOND*/fr) {                  \
-                                       /*LINTED*/                      \
-                                       el_free(tmp);                   \
-                               }                                       \
+                               el_free(fr);                            \
                                return 0;                               \
                        }                                               \
                        result = nresult;                               \
@@ -1004,11 +1001,11 @@
                        goto loop;
                }
                len = i - start;
-               ADD_STRING(&str[start], len, 0);
+               ADD_STRING(&str[start], len, NULL);
 
                if (str[i] == '\0' || str[i] != history_expansion_char) {
                        len = j - i;
-                       ADD_STRING(&str[i], len, 0);
+                       ADD_STRING(&str[i], len, NULL);
                        if (start == 0)
                                ret = 0;
                        else
@@ -1018,7 +1015,7 @@
                ret = _history_expand_command (str, i, (j - i), &tmp);
                if (ret > 0 && tmp) {
                        len = strlen(tmp);
-                       ADD_STRING(tmp, len, 1);
+                       ADD_STRING(tmp, len, tmp);
                }
                if (tmp) {
                        el_free(tmp);