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[src/trunk]: src/usr.bin/make make(1): align the code in Var_Append with Var_Set



details:   https://anonhg.NetBSD.org/src/rev/86cf8f4c4b60
branches:  trunk
changeset: 1012705:86cf8f4c4b60
user:      rillig <rillig%NetBSD.org@localhost>
date:      Sat Aug 08 13:17:39 2020 +0000

description:
make(1): align the code in Var_Append with Var_Set

The code has the same effect in both functions, therefore it should also
look the same.

diffstat:

 usr.bin/make/var.c |  22 +++++++++++-----------
 1 files changed, 11 insertions(+), 11 deletions(-)

diffs (70 lines):

diff -r 035607d831f0 -r 86cf8f4c4b60 usr.bin/make/var.c
--- a/usr.bin/make/var.c        Sat Aug 08 13:13:34 2020 +0000
+++ b/usr.bin/make/var.c        Sat Aug 08 13:17:39 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: var.c,v 1.426 2020/08/08 13:13:34 rillig Exp $ */
+/*     $NetBSD: var.c,v 1.427 2020/08/08 13:17:39 rillig Exp $ */
 
 /*
  * Copyright (c) 1988, 1989, 1990, 1993
@@ -69,14 +69,14 @@
  */
 
 #ifndef MAKE_NATIVE
-static char rcsid[] = "$NetBSD: var.c,v 1.426 2020/08/08 13:13:34 rillig Exp $";
+static char rcsid[] = "$NetBSD: var.c,v 1.427 2020/08/08 13:17:39 rillig Exp $";
 #else
 #include <sys/cdefs.h>
 #ifndef lint
 #if 0
 static char sccsid[] = "@(#)var.c      8.3 (Berkeley) 3/19/94";
 #else
-__RCSID("$NetBSD: var.c,v 1.426 2020/08/08 13:13:34 rillig Exp $");
+__RCSID("$NetBSD: var.c,v 1.427 2020/08/08 13:17:39 rillig Exp $");
 #endif
 #endif /* not lint */
 #endif
@@ -823,7 +823,7 @@
         * that the command-line settings continue to override
         * Makefile settings.
         */
-       if (varNoExportEnv != TRUE)
+       if (!varNoExportEnv)
            setenv(name, val ? val : "", 1);
 
        Var_Append(MAKEOVERRIDES, name, VAR_GLOBAL);
@@ -895,19 +895,19 @@
 void
 Var_Append(const char *name, const char *val, GNode *ctxt)
 {
-    char *expanded_name = NULL;
+    char *name_freeIt = NULL;
     Var *v;
 
     if (strchr(name, '$') != NULL) {
-       expanded_name = Var_Subst(name, ctxt, VARE_WANTRES);
-       if (expanded_name[0] == '\0') {
+        const char *unexpanded_name = name;
+       name = name_freeIt = Var_Subst(name, ctxt, VARE_WANTRES);
+       if (name[0] == '\0') {
            VAR_DEBUG("Var_Append(\"%s\", \"%s\", ...) "
                      "name expands to empty string - ignored\n",
-                     name, val);
-           free(expanded_name);
+                     unexpanded_name, val);
+           free(name_freeIt);
            return;
        }
-       name = expanded_name;
     }
 
     v = VarFind(name, ctxt, ctxt == VAR_GLOBAL ? (FIND_CMD | FIND_ENV) : 0);
@@ -935,7 +935,7 @@
            Hash_SetValue(h, v);
        }
     }
-    free(expanded_name);
+    free(name_freeIt);
 }
 
 /*-



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