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make(1): move comment from Parse_DoVar to Parse_IsVar

This commit is contained in:
rillig 2020-10-29 20:37:47 +00:00
parent b5d9d2935c
commit 10535e7a08
1 changed files with 9 additions and 15 deletions
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24
usr.bin/make/parse.c
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@ -1,4 +1,4 @@
/* $NetBSD: parse.c,v 1.409 2020/10/28 03:21:25 rillig Exp $ */
/* $NetBSD: parse.c,v 1.410 2020/10/29 20:37:47 rillig Exp $ */
/*
* Copyright (c) 1988, 1989, 1990, 1993
@ -117,7 +117,7 @@
#include "pathnames.h"
/* "@(#)parse.c 8.3 (Berkeley) 3/19/94" */
MAKE_RCSID("$NetBSD: parse.c,v 1.409 2020/10/28 03:21:25 rillig Exp $");
MAKE_RCSID("$NetBSD: parse.c,v 1.410 2020/10/29 20:37:47 rillig Exp $");
/* types and constants */
@ -1810,6 +1810,12 @@ AdjustVarassignOp(const VarAssignParsed *pvar, const char *value,
* optional whitespace, an assignment operator, optional whitespace and the
* variable value.
*
* Note: There is a lexical ambiguity with assignment modifier characters
* in variable names. This routine interprets the character before the =
* as a modifier. Therefore, an assignment like
* C++=/usr/bin/CC
* is interpreted as "C+ +=" instead of "C++ =".
*
* Used for both lines in a file and command line arguments. */
Boolean
Parse_IsVar(const char *p, VarAssign *out_var)
@ -2017,19 +2023,7 @@ VarAssignSpecial(const char *name, const char *avalue)
}
}
/* Take the variable assignment in the passed line and execute it.
*
* Note: There is a lexical ambiguity with assignment modifier characters
* in variable names. This routine interprets the character before the =
* as a modifier. Therefore, an assignment like
* C++=/usr/bin/CC
* is interpreted as "C+ +=" instead of "C++ =".
*
* Input:
* p A line guaranteed to be a variable assignment
* (see Parse_IsVar).
* ctxt Context in which to do the assignment
*/
/* Perform the variable variable assignment in the given context. */
void
Parse_DoVar(VarAssign *var, GNode *ctxt)
{