Module Name: src
Committed By: rillig
Date: Tue Nov 10 08:02:35 UTC 2020
Modified Files:
src/usr.bin/make: cond.c
Log Message:
make(1): document ParseEmptyArg
To generate a diff of this commit:
cvs rdiff -u -r1.199 -r1.200 src/usr.bin/make/cond.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/cond.c
diff -u src/usr.bin/make/cond.c:1.199 src/usr.bin/make/cond.c:1.200
--- src/usr.bin/make/cond.c:1.199 Tue Nov 10 07:40:30 2020
+++ src/usr.bin/make/cond.c Tue Nov 10 08:02:35 2020
@@ -1,4 +1,4 @@
-/* $NetBSD: cond.c,v 1.199 2020/11/10 07:40:30 rillig Exp $ */
+/* $NetBSD: cond.c,v 1.200 2020/11/10 08:02:35 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 1.199 2020/11/10 07:40:30 rillig Exp $");
+MAKE_RCSID("$NetBSD: cond.c,v 1.200 2020/11/10 08:02:35 rillig Exp $");
/*
* The parsing of conditional expressions is based on this grammar:
@@ -677,6 +677,8 @@ done_lhs:
return t;
}
+/* The argument to empty() is a variable name, optionally followed by
+ * variable modifiers. */
static size_t
ParseEmptyArg(const char **pp, Boolean doEval,
const char *func MAKE_ATTR_UNUSED, char **out_arg)
@@ -755,6 +757,7 @@ CondParser_Func(CondParser *par, Boolean
*out_token = arglen == 0 ? TOK_FALSE : TOK_ERROR;
return TRUE;
}
+
/* Evaluate the argument using the required function. */
*out_token = ToToken(!doEval || fn->fn_eval(arglen, arg));
free(arg);
