Module Name: src Committed By: rillig Date: Tue Feb 23 14:21:45 UTC 2021
Modified Files: src/usr.bin/make: var.c Log Message: make: note inconsistent parsing behavior in modifier ':_=' To generate a diff of this commit: cvs rdiff -u -r1.846 -r1.847 src/usr.bin/make/var.c 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:1.846 src/usr.bin/make/var.c:1.847 --- src/usr.bin/make/var.c:1.846 Tue Feb 23 00:27:47 2021 +++ src/usr.bin/make/var.c Tue Feb 23 14:21:45 2021 @@ -1,4 +1,4 @@ -/* $NetBSD: var.c,v 1.846 2021/02/23 00:27:47 rillig Exp $ */ +/* $NetBSD: var.c,v 1.847 2021/02/23 14:21:45 rillig Exp $ */ /* * Copyright (c) 1988, 1989, 1990, 1993 @@ -140,7 +140,7 @@ #include "metachar.h" /* "@(#)var.c 8.3 (Berkeley) 3/19/94" */ -MAKE_RCSID("$NetBSD: var.c,v 1.846 2021/02/23 00:27:47 rillig Exp $"); +MAKE_RCSID("$NetBSD: var.c,v 1.847 2021/02/23 14:21:45 rillig Exp $"); typedef enum VarFlags { VFL_NONE = 0, @@ -3398,6 +3398,11 @@ ApplyModifier_Remember(const char **pp, return AMR_UNKNOWN; if (mod[1] == '=') { + /* + * XXX: This ad-hoc call to strcspn deviates from the usual + * behavior defined in ParseModifierPart. This creates an + * unnecessary, undocumented inconsistency in make. + */ size_t n = strcspn(mod + 2, ":)}"); char *name = bmake_strldup(mod + 2, n); Var_SetExpand(expr->scope, name, expr->value.str);