Module Name:    src
Committed By:   rillig
Date:           Mon Nov  2 20:48:36 UTC 2020

Modified Files:
        src/usr.bin/make: var.c
        src/usr.bin/make/unit-tests: cmd-errors-lint.exp cmd-errors.exp

Log Message:
make(1): error out on unclosed expressions after the colon


To generate a diff of this commit:
cvs rdiff -u -r1.648 -r1.649 src/usr.bin/make/var.c
cvs rdiff -u -r1.1 -r1.2 src/usr.bin/make/unit-tests/cmd-errors-lint.exp
cvs rdiff -u -r1.2 -r1.3 src/usr.bin/make/unit-tests/cmd-errors.exp

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/usr.bin/make/var.c
diff -u src/usr.bin/make/var.c:1.648 src/usr.bin/make/var.c:1.649
--- src/usr.bin/make/var.c:1.648	Mon Nov  2 19:07:09 2020
+++ src/usr.bin/make/var.c	Mon Nov  2 20:48:36 2020
@@ -1,4 +1,4 @@
-/*	$NetBSD: var.c,v 1.648 2020/11/02 19:07:09 rillig Exp $	*/
+/*	$NetBSD: var.c,v 1.649 2020/11/02 20:48:36 rillig Exp $	*/
 
 /*
  * Copyright (c) 1988, 1989, 1990, 1993
@@ -130,7 +130,7 @@
 #include "metachar.h"
 
 /*	"@(#)var.c	8.3 (Berkeley) 3/19/94" */
-MAKE_RCSID("$NetBSD: var.c,v 1.648 2020/11/02 19:07:09 rillig Exp $");
+MAKE_RCSID("$NetBSD: var.c,v 1.649 2020/11/02 20:48:36 rillig Exp $");
 
 #define VAR_DEBUG1(fmt, arg1) DEBUG1(VAR, fmt, arg1)
 #define VAR_DEBUG2(fmt, arg1, arg2) DEBUG2(VAR, fmt, arg1, arg2)
@@ -3357,6 +3357,13 @@ ApplyModifiers(
     assert(val != NULL);
 
     p = *pp;
+
+    if (*p == '\0' && endc != '\0') {
+	Error("Unclosed variable expression (expecting '%c') for \"%s\"",
+	      st.endc, st.v->name);
+	goto cleanup;
+    }
+
     while (*p != '\0' && *p != endc) {
 
 	if (*p == '$') {

Index: src/usr.bin/make/unit-tests/cmd-errors-lint.exp
diff -u src/usr.bin/make/unit-tests/cmd-errors-lint.exp:1.1 src/usr.bin/make/unit-tests/cmd-errors-lint.exp:1.2
--- src/usr.bin/make/unit-tests/cmd-errors-lint.exp:1.1	Mon Nov  2 20:43:27 2020
+++ src/usr.bin/make/unit-tests/cmd-errors-lint.exp	Mon Nov  2 20:48:36 2020
@@ -1,6 +1,7 @@
 : undefined 
 make: Unclosed variable "UNCLOSED"
 : unclosed-variable 
+make: Unclosed variable expression (expecting '}') for "UNCLOSED"
 : unclosed-modifier 
 make: Unknown modifier 'Z'
 : unknown-modifier 

Index: src/usr.bin/make/unit-tests/cmd-errors.exp
diff -u src/usr.bin/make/unit-tests/cmd-errors.exp:1.2 src/usr.bin/make/unit-tests/cmd-errors.exp:1.3
--- src/usr.bin/make/unit-tests/cmd-errors.exp:1.2	Mon Nov  2 20:37:50 2020
+++ src/usr.bin/make/unit-tests/cmd-errors.exp	Mon Nov  2 20:48:36 2020
@@ -1,6 +1,7 @@
 : undefined 
 make: Unclosed variable "UNCLOSED"
 : unclosed-variable 
+make: Unclosed variable expression (expecting '}') for "UNCLOSED"
 : unclosed-modifier 
 make: Unknown modifier 'Z'
 : unknown-modifier 

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