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[src/trunk]: src/usr.bin/make make: extract duplicate code for parsing ':S' a...



details:   https://anonhg.NetBSD.org/src/rev/4780fae1f288
branches:  trunk
changeset: 1019567:4780fae1f288
user:      rillig <rillig%NetBSD.org@localhost>
date:      Sun Mar 14 15:15:28 2021 +0000

description:
make: extract duplicate code for parsing ':S' and ':C'

No functional change.

diffstat:

 usr.bin/make/var.c |  41 +++++++++++++++++++----------------------
 1 files changed, 19 insertions(+), 22 deletions(-)

diffs (76 lines):

diff -r fae9670bdc49 -r 4780fae1f288 usr.bin/make/var.c
--- a/usr.bin/make/var.c        Sun Mar 14 15:06:19 2021 +0000
+++ b/usr.bin/make/var.c        Sun Mar 14 15:15:28 2021 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: var.c,v 1.859 2021/03/14 15:06:19 rillig Exp $ */
+/*     $NetBSD: var.c,v 1.860 2021/03/14 15:15:28 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 1.859 2021/03/14 15:06:19 rillig Exp $");
+MAKE_RCSID("$NetBSD: var.c,v 1.860 2021/03/14 15:15:28 rillig Exp $");
 
 typedef enum VarFlags {
        VFL_NONE        = 0,
@@ -2794,6 +2794,21 @@
        return AMR_OK;
 }
 
+static void
+ParsePatternFlags(const char **pp, VarPatternFlags *pflags, Boolean *oneBigWord)
+{
+       for (;; (*pp)++) {
+               if (**pp == 'g')
+                       pflags->subGlobal = TRUE;
+               else if (**pp == '1')
+                       pflags->subOnce = TRUE;
+               else if (**pp == 'W')
+                       *oneBigWord = TRUE;
+               else
+                       break;
+       }
+}
+
 /* :S,from,to, */
 static ApplyModifierResult
 ApplyModifier_Subst(const char **pp, ApplyModifiersState *st)
@@ -2833,16 +2848,7 @@
        args.rhs = rhs;
 
        oneBigWord = st->oneBigWord;
-       for (;; (*pp)++) {
-               if (**pp == 'g')
-                       args.pflags.subGlobal = TRUE;
-               else if (**pp == '1')
-                       args.pflags.subOnce = TRUE;
-               else if (**pp == 'W')
-                       oneBigWord = TRUE;
-               else
-                       break;
-       }
+       ParsePatternFlags(pp, &args.pflags, &oneBigWord);
 
        ModifyWords(st, ModifyWord_Subst, &args, oneBigWord);
 
@@ -2885,16 +2891,7 @@
        args.pflags = (VarPatternFlags){ FALSE, FALSE, FALSE, FALSE };
        args.matched = FALSE;
        oneBigWord = st->oneBigWord;
-       for (;; (*pp)++) {
-               if (**pp == 'g')
-                       args.pflags.subGlobal = TRUE;
-               else if (**pp == '1')
-                       args.pflags.subOnce = TRUE;
-               else if (**pp == 'W')
-                       oneBigWord = TRUE;
-               else
-                       break;
-       }
+       ParsePatternFlags(pp, &args.pflags, &oneBigWord);
 
        if (!(st->expr->eflags & VARE_WANTRES)) {
                free(args.replace);



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