[src/trunk]: src/usr.bin/make make(1): fix error message when regcomp fails

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

details:   https://anonhg.NetBSD.org/src/rev/8ee986000759
branches:  trunk
changeset: 936688:8ee986000759
user:      rillig <rillig%NetBSD.org@localhost>
date:      Sat Aug 01 18:14:08 2020 +0000

description:
make(1): fix error message when regcomp fails

If regcomp fails, it's not the regex substitution that is erroneous, but
the regex compilation.

diffstat:

 usr.bin/make/unit-tests/Makefile    |  6 +++---
 usr.bin/make/unit-tests/modmisc.exp |  4 ++--
 usr.bin/make/var.c                  |  8 ++++----
 3 files changed, 9 insertions(+), 9 deletions(-)

diffs (76 lines):

diff -r cc5515682835 -r 8ee986000759 usr.bin/make/unit-tests/Makefile
--- a/usr.bin/make/unit-tests/Makefile  Sat Aug 01 18:02:37 2020 +0000
+++ b/usr.bin/make/unit-tests/Makefile  Sat Aug 01 18:14:08 2020 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.79 2020/08/01 15:28:28 rillig Exp $
+# $NetBSD: Makefile,v 1.80 2020/08/01 18:14:08 rillig Exp $
 #
 # Unit tests for make(1)
 #
@@ -98,8 +98,8 @@
 FLAGS.vardebug=                -k -dv FROM_CMDLINE=
 
 # Some tests need extra post-processing.
-SED_CMDS.moderrs+=     -e 's,\(substitution error:\).*,\1 (details omitted),'
-SED_CMDS.modmisc+=     -e 's,\(substitution error:\).*,\1 (details omitted),'
+SED_CMDS.moderrs+=     -e 's,\(Regex compilation error:\).*,\1 (details omitted),'
+SED_CMDS.modmisc+=     -e 's,\(Regex compilation error:\).*,\1 (details omitted),'
 SED_CMDS.varmod-edge+= -e 's, line [0-9]*:, line omitted:,'
 SED_CMDS.varshell+=    -e 's,^[a-z]*sh: ,,'
 SED_CMDS.varshell+=    -e '/command/s,No such.*,not found,'
diff -r cc5515682835 -r 8ee986000759 usr.bin/make/unit-tests/modmisc.exp
--- a/usr.bin/make/unit-tests/modmisc.exp       Sat Aug 01 18:02:37 2020 +0000
+++ b/usr.bin/make/unit-tests/modmisc.exp       Sat Aug 01 18:14:08 2020 +0000
@@ -31,7 +31,7 @@
 :a b b c:
 :a b b c:
 : b c:
-make: RE substitution error: (details omitted)
+make: Regex compilation error: (details omitted)
 :C,word,____,:Q}:
 :a c:
 :x__ 3 x__ 3:
@@ -75,7 +75,7 @@
 mod-regex-limits:22-missing:1 6
 mod-regex-limits:22-ok:1 33 556
 mod-regex-limits:capture:ihgfedcbaabcdefghijABCDEFGHIJa0a1a2rest
-make: RE substitution error: (details omitted)
+make: Regex compilation error: (details omitted)
 mod-regex-errors:
 mod-assign: first=1.
 mod-assign: last=3.
diff -r cc5515682835 -r 8ee986000759 usr.bin/make/var.c
--- a/usr.bin/make/var.c        Sat Aug 01 18:02:37 2020 +0000
+++ b/usr.bin/make/var.c        Sat Aug 01 18:14:08 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: var.c,v 1.384 2020/08/01 18:02:37 rillig Exp $ */
+/*     $NetBSD: var.c,v 1.385 2020/08/01 18:14:08 rillig Exp $ */
 
 /*
  * Copyright (c) 1988, 1989, 1990, 1993
@@ -69,14 +69,14 @@
  */
 
 #ifndef MAKE_NATIVE
-static char rcsid[] = "$NetBSD: var.c,v 1.384 2020/08/01 18:02:37 rillig Exp $";
+static char rcsid[] = "$NetBSD: var.c,v 1.385 2020/08/01 18:14:08 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 1.384 2020/08/01 18:02:37 rillig Exp $");
+__RCSID("$NetBSD: var.c,v 1.385 2020/08/01 18:14:08 rillig Exp $");
 #endif
 #endif /* not lint */
 #endif
@@ -2476,7 +2476,7 @@
     int error = regcomp(&args.re, re, REG_EXTENDED);
     free(re);
     if (error) {
-       VarREError(error, &args.re, "RE substitution error");
+       VarREError(error, &args.re, "Regex compilation error");
        free(args.replace);
        return AMR_CLEANUP;
     }