[src/trunk]: src/usr.bin/make make(1): allow for strict type checking for Boo...

To: source-changes-hg%NetBSD.org@localhost
Subject: [src/trunk]: src/usr.bin/make make(1): allow for strict type checking for Boo...
From: rillig <rillig%NetBSD.org@localhost>
Date: Sat, 29 Aug 2020 09:52:06 +0000

details:   https://anonhg.NetBSD.org/src/rev/a243a2dfa4b8
branches:  trunk
changeset: 937945:a243a2dfa4b8
user:      rillig <rillig%NetBSD.org@localhost>
date:      Sat Aug 29 07:52:55 2020 +0000

description:
make(1): allow for strict type checking for Boolean

Having Boolean aliased to int creates ambiguities since int is widely
used.  Allow to occasionally compile make with -DUSE_DOUBLE_BOOLEAN to
check that the type definitions still agree.

diffstat:

 usr.bin/make/main.c    |  11 ++++++-----
 usr.bin/make/make.h    |   6 +++++-
 usr.bin/make/nonints.h |   4 ++--
 usr.bin/make/parse.c   |   8 ++++----
 usr.bin/make/str.c     |   8 ++++----
 usr.bin/make/var.c     |  12 +++++++++---
 6 files changed, 30 insertions(+), 19 deletions(-)

diffs (187 lines):

diff -r 8c9ad96c0b77 -r a243a2dfa4b8 usr.bin/make/main.c
--- a/usr.bin/make/main.c       Sat Aug 29 07:22:49 2020 +0000
+++ b/usr.bin/make/main.c       Sat Aug 29 07:52:55 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: main.c,v 1.322 2020/08/29 07:13:17 rillig Exp $        */
+/*     $NetBSD: main.c,v 1.323 2020/08/29 07:52:55 rillig Exp $        */
 
 /*
  * Copyright (c) 1988, 1989, 1990, 1993
@@ -69,7 +69,7 @@
  */
 
 #ifndef MAKE_NATIVE
-static char rcsid[] = "$NetBSD: main.c,v 1.322 2020/08/29 07:13:17 rillig Exp $";
+static char rcsid[] = "$NetBSD: main.c,v 1.323 2020/08/29 07:52:55 rillig Exp $";
 #else
 #include <sys/cdefs.h>
 #ifndef lint
@@ -81,7 +81,7 @@
 #if 0
 static char sccsid[] = "@(#)main.c     8.3 (Berkeley) 3/19/94";
 #else
-__RCSID("$NetBSD: main.c,v 1.322 2020/08/29 07:13:17 rillig Exp $");
+__RCSID("$NetBSD: main.c,v 1.323 2020/08/29 07:52:55 rillig Exp $");
 #endif
 #endif /* not lint */
 #endif
@@ -1399,8 +1399,9 @@
        if (!compatMake)
            Job_ServerStart(maxJobTokens, jp_0, jp_1);
        if (DEBUG(JOB))
-           fprintf(debug_file, "job_pipe %d %d, maxjobs %d, tokens %d, compat %d\n",
-               jp_0, jp_1, maxJobs, maxJobTokens, compatMake);
+           fprintf(debug_file,
+                   "job_pipe %d %d, maxjobs %d, tokens %d, compat %d\n",
+                   jp_0, jp_1, maxJobs, maxJobTokens, compatMake ? 1 : 0);
 
        if (!printVars)
            Main_ExportMAKEFLAGS(TRUE); /* initial export */
diff -r 8c9ad96c0b77 -r a243a2dfa4b8 usr.bin/make/make.h
--- a/usr.bin/make/make.h       Sat Aug 29 07:22:49 2020 +0000
+++ b/usr.bin/make/make.h       Sat Aug 29 07:52:55 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: make.h,v 1.129 2020/08/28 19:14:07 rillig Exp $        */
+/*     $NetBSD: make.h,v 1.130 2020/08/29 07:52:55 rillig Exp $        */
 
 /*
  * Copyright (c) 1988, 1989, 1990, 1993
@@ -133,7 +133,11 @@
  * boolean argument to be an expression that isn't strictly 0 or 1 valued.
  */
 
+#ifdef USE_DOUBLE_BOOLEAN      /* Just to find type mismatches. */
+typedef double Boolean;
+#else
 typedef int Boolean;
+#endif
 #ifndef TRUE
 #define TRUE   1
 #endif /* TRUE */
diff -r 8c9ad96c0b77 -r a243a2dfa4b8 usr.bin/make/nonints.h
--- a/usr.bin/make/nonints.h    Sat Aug 29 07:22:49 2020 +0000
+++ b/usr.bin/make/nonints.h    Sat Aug 29 07:52:55 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: nonints.h,v 1.99 2020/08/27 06:13:53 rillig Exp $      */
+/*     $NetBSD: nonints.h,v 1.100 2020/08/29 07:52:55 rillig Exp $     */
 
 /*-
  * Copyright (c) 1988, 1989, 1990, 1993
@@ -82,7 +82,7 @@
 Boolean Arch_LibOODate(GNode *);
 void Arch_Init(void);
 void Arch_End(void);
-int Arch_IsLib(GNode *);
+Boolean Arch_IsLib(GNode *);
 
 /* compat.c */
 int CompatRunCommand(void *, void *);
diff -r 8c9ad96c0b77 -r a243a2dfa4b8 usr.bin/make/parse.c
--- a/usr.bin/make/parse.c      Sat Aug 29 07:22:49 2020 +0000
+++ b/usr.bin/make/parse.c      Sat Aug 29 07:52:55 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: parse.c,v 1.268 2020/08/28 04:48:57 rillig Exp $       */
+/*     $NetBSD: parse.c,v 1.269 2020/08/29 07:52:55 rillig Exp $       */
 
 /*
  * Copyright (c) 1988, 1989, 1990, 1993
@@ -69,14 +69,14 @@
  */
 
 #ifndef MAKE_NATIVE
-static char rcsid[] = "$NetBSD: parse.c,v 1.268 2020/08/28 04:48:57 rillig Exp $";
+static char rcsid[] = "$NetBSD: parse.c,v 1.269 2020/08/29 07:52:55 rillig Exp $";
 #else
 #include <sys/cdefs.h>
 #ifndef lint
 #if 0
 static char sccsid[] = "@(#)parse.c    8.3 (Berkeley) 3/19/94";
 #else
-__RCSID("$NetBSD: parse.c,v 1.268 2020/08/28 04:48:57 rillig Exp $");
+__RCSID("$NetBSD: parse.c,v 1.269 2020/08/29 07:52:55 rillig Exp $");
 #endif
 #endif /* not lint */
 #endif
@@ -2541,7 +2541,7 @@
        static const size_t inclen = sizeof(inc) - 1;
 
        /* 'd' is not valid for sysv */
-       int o = strchr(&("ds-"[sysv]), *line) != NULL;
+       int o = strchr(sysv ? "s-" : "ds-", *line) != NULL;
 
        if (strncmp(line + o, inc, inclen) != 0)
                return FALSE;
diff -r 8c9ad96c0b77 -r a243a2dfa4b8 usr.bin/make/str.c
--- a/usr.bin/make/str.c        Sat Aug 29 07:22:49 2020 +0000
+++ b/usr.bin/make/str.c        Sat Aug 29 07:52:55 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: str.c,v 1.62 2020/08/23 18:26:35 rillig Exp $  */
+/*     $NetBSD: str.c,v 1.63 2020/08/29 07:52:55 rillig Exp $  */
 
 /*-
  * Copyright (c) 1988, 1989, 1990, 1993
@@ -69,14 +69,14 @@
  */
 
 #ifndef MAKE_NATIVE
-static char rcsid[] = "$NetBSD: str.c,v 1.62 2020/08/23 18:26:35 rillig Exp $";
+static char rcsid[] = "$NetBSD: str.c,v 1.63 2020/08/29 07:52:55 rillig Exp $";
 #else
 #include <sys/cdefs.h>
 #ifndef lint
 #if 0
 static char     sccsid[] = "@(#)str.c  5.8 (Berkeley) 6/1/90";
 #else
-__RCSID("$NetBSD: str.c,v 1.62 2020/08/23 18:26:35 rillig Exp $");
+__RCSID("$NetBSD: str.c,v 1.63 2020/08/29 07:52:55 rillig Exp $");
 #endif
 #endif                         /* not lint */
 #endif
@@ -383,7 +383,7 @@
                 */
                if (*pat == '[') {
                        Boolean neg = pat[1] == '^';
-                       pat += 1 + neg;
+                       pat += neg ? 2 : 1;
 
                        for (;;) {
                                if (*pat == ']' || *pat == 0) {
diff -r 8c9ad96c0b77 -r a243a2dfa4b8 usr.bin/make/var.c
--- a/usr.bin/make/var.c        Sat Aug 29 07:22:49 2020 +0000
+++ b/usr.bin/make/var.c        Sat Aug 29 07:52:55 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: var.c,v 1.472 2020/08/25 21:16:53 rillig Exp $ */
+/*     $NetBSD: var.c,v 1.473 2020/08/29 07:52:55 rillig Exp $ */
 
 /*
  * Copyright (c) 1988, 1989, 1990, 1993
@@ -69,14 +69,14 @@
  */
 
 #ifndef MAKE_NATIVE
-static char rcsid[] = "$NetBSD: var.c,v 1.472 2020/08/25 21:16:53 rillig Exp $";
+static char rcsid[] = "$NetBSD: var.c,v 1.473 2020/08/29 07:52:55 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 1.472 2020/08/25 21:16:53 rillig Exp $");
+__RCSID("$NetBSD: var.c,v 1.473 2020/08/29 07:52:55 rillig Exp $");
 #endif
 #endif /* not lint */
 #endif
@@ -3409,6 +3409,12 @@
     extramodifiers = NULL;     /* extra modifiers to apply first */
     dynamic = FALSE;
 
+#ifdef USE_DOUBLE_BOOLEAN
+    /* Appease GCC 5.5.0, which thinks that the variable might not be
+     * initialized. */
+    endc = '\0';
+#endif
+
     startc = str[1];
     if (startc != PROPEN && startc != BROPEN) {
        char name[2];

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