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[src/trunk]: src/usr.bin/make make(1): eliminate libName_freeIt from Arch_Par...



details:   https://anonhg.NetBSD.org/src/rev/7e82a5e7ca2a
branches:  trunk
changeset: 958016:7e82a5e7ca2a
user:      rillig <rillig%NetBSD.org@localhost>
date:      Sun Dec 20 13:46:27 2020 +0000

description:
make(1): eliminate libName_freeIt from Arch_ParseArchive

diffstat:

 usr.bin/make/arch.c |  26 +++++++++++++-------------
 1 files changed, 13 insertions(+), 13 deletions(-)

diffs (91 lines):

diff -r 80dcfa4bacc4 -r 7e82a5e7ca2a usr.bin/make/arch.c
--- a/usr.bin/make/arch.c       Sun Dec 20 13:38:43 2020 +0000
+++ b/usr.bin/make/arch.c       Sun Dec 20 13:46:27 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: arch.c,v 1.190 2020/12/20 13:38:43 rillig Exp $        */
+/*     $NetBSD: arch.c,v 1.191 2020/12/20 13:46:27 rillig Exp $        */
 
 /*
  * Copyright (c) 1988, 1989, 1990, 1993
@@ -125,7 +125,7 @@
 #include "config.h"
 
 /*     "@(#)arch.c     8.2 (Berkeley) 1/2/94"  */
-MAKE_RCSID("$NetBSD: arch.c,v 1.190 2020/12/20 13:38:43 rillig Exp $");
+MAKE_RCSID("$NetBSD: arch.c,v 1.191 2020/12/20 13:46:27 rillig Exp $");
 
 typedef struct List ArchList;
 typedef struct ListNode ArchListNode;
@@ -186,18 +186,17 @@
 {
        char *cp;               /* Pointer into line */
        GNode *gn;              /* New node */
-       char *libName;          /* Library-part of specification */
-       char *libName_freeIt = NULL;
+       MFStr libName;          /* Library-part of specification */
        char *memName;          /* Member-part of specification */
        char saveChar;          /* Ending delimiter of member-name */
        Boolean expandLibName;  /* Whether the parsed libName contains
                                 * variable expressions that need to be
                                 * expanded */
 
-       libName = *pp;
+       libName = MFStr_InitRefer(*pp);
        expandLibName = FALSE;
 
-       for (cp = libName; *cp != '(' && *cp != '\0';) {
+       for (cp = libName.str; *cp != '(' && *cp != '\0';) {
                if (*cp == '$') {
                        /* Expand nested variable expressions. */
                        /* XXX: This code can probably be shortened. */
@@ -222,10 +221,11 @@
 
        *cp++ = '\0';
        if (expandLibName) {
-               (void)Var_Subst(libName, ctxt, VARE_WANTRES | VARE_UNDEFERR,
-                               &libName);
+               char *expanded;
+               (void)Var_Subst(libName.str, ctxt,
+                   VARE_WANTRES | VARE_UNDEFERR, &expanded);
                /* TODO: handle errors */
-               libName_freeIt = libName;
+               libName = MFStr_InitOwn(expanded);
        }
 
 
@@ -314,7 +314,7 @@
                         * Now form an archive spec and recurse to deal with
                         * nested variables and multi-word variable values.
                         */
-                       fullName = str_concat4(libName, "(", memName, ")");
+                       fullName = str_concat4(libName.str, "(", memName, ")");
                        p = fullName;
 
                        if (strchr(memName, '$') != NULL &&
@@ -344,7 +344,7 @@
 
                        while (!Lst_IsEmpty(&members)) {
                                char *member = Lst_Dequeue(&members);
-                               char *fullname = str_concat4(libName, "(",
+                               char *fullname = str_concat4(libName.str, "(",
                                                             member, ")");
                                free(member);
 
@@ -357,7 +357,7 @@
                        Lst_Done(&members);
 
                } else {
-                       char *fullname = str_concat4(libName, "(", memName,
+                       char *fullname = str_concat4(libName.str, "(", memName,
                                                     ")");
                        gn = Targ_GetNode(fullname);
                        free(fullname);
@@ -378,7 +378,7 @@
                *cp = saveChar;
        }
 
-       free(libName_freeIt);
+       MFStr_Done(&libName);
 
        cp++;                   /* skip the ')' */
        /* We promised that pp would be set up at the next non-space. */



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