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[src/trunk]: src/usr.bin/make make(1): change char * to void * in Var_Value
details: https://anonhg.NetBSD.org/src/rev/cdd117841603
branches: trunk
changeset: 945452:cdd117841603
user: rillig <rillig%NetBSD.org@localhost>
date: Fri Oct 30 20:30:44 2020 +0000
description:
make(1): change char * to void * in Var_Value
The only purpose of the parameter freeIt is to free the memory
associated with the return value. To do this, no pointer arithmetic is
needed. Therefore, change to a void pointer, to catch accidental use of
that pointer.
diffstat:
usr.bin/make/arch.c | 8 ++++----
usr.bin/make/compat.c | 10 +++++-----
usr.bin/make/cond.c | 6 +++---
usr.bin/make/job.c | 6 +++---
usr.bin/make/main.c | 36 +++++++++++++++++++++---------------
usr.bin/make/make.c | 12 ++++++------
usr.bin/make/meta.c | 29 ++++++++++++++++-------------
usr.bin/make/nonints.h | 4 ++--
usr.bin/make/parse.c | 8 ++++----
usr.bin/make/suff.c | 6 +++---
usr.bin/make/trace.c | 6 +++---
usr.bin/make/var.c | 6 +++---
12 files changed, 73 insertions(+), 64 deletions(-)
diffs (truncated from 537 to 300 lines):
diff -r 5d30e24bc460 -r cdd117841603 usr.bin/make/arch.c
--- a/usr.bin/make/arch.c Fri Oct 30 20:05:00 2020 +0000
+++ b/usr.bin/make/arch.c Fri Oct 30 20:30:44 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: arch.c,v 1.148 2020/10/30 16:48:58 rillig Exp $ */
+/* $NetBSD: arch.c,v 1.149 2020/10/30 20:30:44 rillig Exp $ */
/*
* Copyright (c) 1988, 1989, 1990, 1993
@@ -130,7 +130,7 @@
#include "config.h"
/* "@(#)arch.c 8.2 (Berkeley) 1/2/94" */
-MAKE_RCSID("$NetBSD: arch.c,v 1.148 2020/10/30 16:48:58 rillig Exp $");
+MAKE_RCSID("$NetBSD: arch.c,v 1.149 2020/10/30 20:30:44 rillig Exp $");
#ifdef TARGET_MACHINE
#undef MAKE_MACHINE
@@ -861,7 +861,7 @@
{
FILE *arch; /* Stream open to archive, positioned properly */
struct ar_hdr arh; /* Current header describing member */
- char *p1, *p2;
+ void *p1, *p2;
arch = ArchFindMember(Var_Value(ARCHIVE, gn, &p1),
Var_Value(MEMBER, gn, &p2),
@@ -921,7 +921,7 @@
{
struct ar_hdr *arhPtr; /* Header of desired member */
time_t modTime; /* Modification time as an integer */
- char *p1, *p2;
+ void *p1, *p2;
arhPtr = ArchStatMember(Var_Value(ARCHIVE, gn, &p1),
Var_Value(MEMBER, gn, &p2),
diff -r 5d30e24bc460 -r cdd117841603 usr.bin/make/compat.c
--- a/usr.bin/make/compat.c Fri Oct 30 20:05:00 2020 +0000
+++ b/usr.bin/make/compat.c Fri Oct 30 20:30:44 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: compat.c,v 1.169 2020/10/26 21:34:10 rillig Exp $ */
+/* $NetBSD: compat.c,v 1.170 2020/10/30 20:30:44 rillig Exp $ */
/*
* Copyright (c) 1988, 1989, 1990 The Regents of the University of California.
@@ -96,7 +96,7 @@
#include "pathnames.h"
/* "@(#)compat.c 8.2 (Berkeley) 3/19/94" */
-MAKE_RCSID("$NetBSD: compat.c,v 1.169 2020/10/26 21:34:10 rillig Exp $");
+MAKE_RCSID("$NetBSD: compat.c,v 1.170 2020/10/30 20:30:44 rillig Exp $");
static GNode *curTarg = NULL;
static pid_t compatChild;
@@ -110,7 +110,7 @@
CompatDeleteTarget(GNode *gn)
{
if (gn != NULL && !Targ_Precious(gn)) {
- char *file_freeIt;
+ void *file_freeIt;
const char *file = Var_Value(TARGET, gn, &file_freeIt);
if (!opts.noExecute && eunlink(file) != -1) {
@@ -503,7 +503,7 @@
}
if (Lst_FindDatum(gn->implicitParents, pgn) != NULL) {
- char *target_freeIt;
+ void *target_freeIt;
Var_Set(IMPSRC, Var_Value(TARGET, gn, &target_freeIt), pgn);
bmake_free(target_freeIt);
}
@@ -597,7 +597,7 @@
pgn->flags &= ~(unsigned)REMAKE;
} else {
if (Lst_FindDatum(gn->implicitParents, pgn) != NULL) {
- char *target_freeIt;
+ void *target_freeIt;
const char *target = Var_Value(TARGET, gn, &target_freeIt);
Var_Set(IMPSRC, target != NULL ? target : "", pgn);
bmake_free(target_freeIt);
diff -r 5d30e24bc460 -r cdd117841603 usr.bin/make/cond.c
--- a/usr.bin/make/cond.c Fri Oct 30 20:05:00 2020 +0000
+++ b/usr.bin/make/cond.c Fri Oct 30 20:30:44 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: cond.c,v 1.172 2020/10/30 14:56:23 rillig Exp $ */
+/* $NetBSD: cond.c,v 1.173 2020/10/30 20:30:44 rillig Exp $ */
/*
* Copyright (c) 1988, 1989, 1990 The Regents of the University of California.
@@ -93,7 +93,7 @@
#include "dir.h"
/* "@(#)cond.c 8.2 (Berkeley) 1/2/94" */
-MAKE_RCSID("$NetBSD: cond.c,v 1.172 2020/10/30 14:56:23 rillig Exp $");
+MAKE_RCSID("$NetBSD: cond.c,v 1.173 2020/10/30 20:30:44 rillig Exp $");
/*
* The parsing of conditional expressions is based on this grammar:
@@ -283,7 +283,7 @@
static Boolean
FuncDefined(size_t argLen MAKE_ATTR_UNUSED, const char *arg)
{
- char *freeIt;
+ void *freeIt;
Boolean result = Var_Value(arg, VAR_CMDLINE, &freeIt) != NULL;
bmake_free(freeIt);
return result;
diff -r 5d30e24bc460 -r cdd117841603 usr.bin/make/job.c
--- a/usr.bin/make/job.c Fri Oct 30 20:05:00 2020 +0000
+++ b/usr.bin/make/job.c Fri Oct 30 20:30:44 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: job.c,v 1.295 2020/10/30 15:39:17 rillig Exp $ */
+/* $NetBSD: job.c,v 1.296 2020/10/30 20:30:44 rillig Exp $ */
/*
* Copyright (c) 1988, 1989, 1990 The Regents of the University of California.
@@ -143,7 +143,7 @@
#include "trace.h"
/* "@(#)job.c 8.2 (Berkeley) 3/19/94" */
-MAKE_RCSID("$NetBSD: job.c,v 1.295 2020/10/30 15:39:17 rillig Exp $");
+MAKE_RCSID("$NetBSD: job.c,v 1.296 2020/10/30 20:30:44 rillig Exp $");
/* A shell defines how the commands are run. All commands for a target are
* written into a single file, which is then given to the shell to execute
@@ -1193,7 +1193,7 @@
*/
if ((DEFAULT != NULL) && !Lst_IsEmpty(DEFAULT->commands) &&
(gn->type & OP_SPECIAL) == 0) {
- char *p1;
+ void *p1;
/*
* Make only looks for a .DEFAULT if the node was never the
* target of an operator, so that's what we do too. If
diff -r 5d30e24bc460 -r cdd117841603 usr.bin/make/main.c
--- a/usr.bin/make/main.c Fri Oct 30 20:05:00 2020 +0000
+++ b/usr.bin/make/main.c Fri Oct 30 20:30:44 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: main.c,v 1.411 2020/10/30 15:39:17 rillig Exp $ */
+/* $NetBSD: main.c,v 1.412 2020/10/30 20:30:44 rillig Exp $ */
/*
* Copyright (c) 1988, 1989, 1990, 1993
@@ -118,7 +118,7 @@
#include "trace.h"
/* "@(#)main.c 8.3 (Berkeley) 3/19/94" */
-MAKE_RCSID("$NetBSD: main.c,v 1.411 2020/10/30 15:39:17 rillig Exp $");
+MAKE_RCSID("$NetBSD: main.c,v 1.412 2020/10/30 20:30:44 rillig Exp $");
#if defined(MAKE_NATIVE) && !defined(lint)
__COPYRIGHT("@(#) Copyright (c) 1988, 1989, 1990, 1993 "
"The Regents of the University of California. "
@@ -674,7 +674,7 @@
Main_ParseArgLine(const char *line)
{
Words words;
- char *p1;
+ void *p1;
const char *argv0 = Var_Value(".MAKE", VAR_GLOBAL, &p1);
char *buf;
@@ -742,7 +742,7 @@
static Boolean
Main_SetVarObjdir(const char *var, const char *suffix)
{
- char *path_freeIt;
+ void *path_freeIt;
const char *path = Var_Value(var, VAR_CMDLINE, &path_freeIt);
const char *xpath;
char *xpath_freeIt;
@@ -857,7 +857,7 @@
bmake_free(evalue);
} else {
- char *freeIt;
+ void *freeIt;
const char *value = Var_Value(varname, VAR_GLOBAL, &freeIt);
printf("%s\n", value ? value : "");
bmake_free(freeIt);
@@ -1029,7 +1029,7 @@
HandlePWD(const struct stat *curdir_st)
{
char *pwd;
- char *prefix_freeIt, *makeobjdir_freeIt;
+ void *prefix_freeIt, *makeobjdir_freeIt;
const char *makeobjdir;
struct stat pwd_st;
@@ -1336,7 +1336,6 @@
{
Boolean outOfDate; /* FALSE if all targets up to date */
struct stat sa;
- char *p1;
const char *machine;
const char *machine_arch;
char *syspath = getenv("MAKESYSPATH");
@@ -1461,9 +1460,11 @@
* in a different format).
*/
#ifdef POSIX
- p1 = explode(getenv("MAKEFLAGS"));
- Main_ParseArgLine(p1);
- free(p1);
+ {
+ char *p1 = explode(getenv("MAKEFLAGS"));
+ Main_ParseArgLine(p1);
+ free(p1);
+ }
#else
Main_ParseArgLine(getenv("MAKE"));
#endif
@@ -1544,8 +1545,13 @@
MakeMode(NULL);
- Var_Append("MFLAGS", Var_Value(MAKEFLAGS, VAR_GLOBAL, &p1), VAR_GLOBAL);
- bmake_free(p1);
+ {
+ void *freeIt;
+ Var_Append("MFLAGS", Var_Value(MAKEFLAGS, VAR_GLOBAL, &freeIt),
+ VAR_GLOBAL);
+ bmake_free(freeIt);
+
+ }
InitMaxJobs();
@@ -2013,14 +2019,14 @@
{
GNode *cache;
const char *rp;
- char *cp;
+ void *freeIt;
if (!pathname || !pathname[0])
return NULL;
cache = get_cached_realpaths();
- if ((rp = Var_Value(pathname, cache, &cp)) != NULL) {
+ if ((rp = Var_Value(pathname, cache, &freeIt)) != NULL) {
/* a hit */
strncpy(resolved, rp, MAXPATHLEN);
resolved[MAXPATHLEN - 1] = '\0';
@@ -2028,7 +2034,7 @@
Var_Set(pathname, rp, cache);
} /* else should we negative-cache? */
- bmake_free(cp);
+ bmake_free(freeIt);
return rp ? resolved : NULL;
}
diff -r 5d30e24bc460 -r cdd117841603 usr.bin/make/make.c
--- a/usr.bin/make/make.c Fri Oct 30 20:05:00 2020 +0000
+++ b/usr.bin/make/make.c Fri Oct 30 20:30:44 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: make.c,v 1.182 2020/10/30 15:39:17 rillig Exp $ */
+/* $NetBSD: make.c,v 1.183 2020/10/30 20:30:44 rillig Exp $ */
/*
* Copyright (c) 1988, 1989, 1990, 1993
@@ -107,7 +107,7 @@
#include "job.h"
/* "@(#)make.c 8.1 (Berkeley) 6/6/93" */
-MAKE_RCSID("$NetBSD: make.c,v 1.182 2020/10/30 15:39:17 rillig Exp $");
+MAKE_RCSID("$NetBSD: make.c,v 1.183 2020/10/30 20:30:44 rillig Exp $");
/* Sequence # to detect recursion. */
static unsigned int checked = 1;
@@ -569,7 +569,7 @@
UpdateImplicitParentsVars(GNode *cgn, const char *cname)
{
GNodeListNode *ln;
- char *cpref_freeIt;
+ void *cpref_freeIt;
const char *cpref = Var_Value(PREFIX, cgn, &cpref_freeIt);
for (ln = cgn->implicitParents->first; ln != NULL; ln = ln->next) {
@@ -615,7 +615,7 @@
checked++;
{
- char *cname_freeIt;
+ void *cname_freeIt;
cname = Var_Value(TARGET, cgn, &cname_freeIt);
assert(cname_freeIt == NULL);
}
@@ -779,7 +779,7 @@
if ((cgn->type & (OP_EXEC|OP_USE|OP_USEBEFORE|OP_INVISIBLE)) == 0) {
const char *child, *allsrc;
- char *p1 = NULL, *p2 = NULL;
+ void *p1 = NULL, *p2 = NULL;
if (cgn->type & OP_ARCHV)
child = Var_Value(MEMBER, cgn, &p1);
@@ -855,7 +855,7 @@
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