[src/trunk]: src/usr.bin/config Allow multiline makeoptions to work by quotin...

[christos <christos%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/4d4275f153d7
branches:  trunk
changeset: 824725:4d4275f153d7
user:      christos <christos%NetBSD.org@localhost>
date:      Thu Jun 15 23:52:15 2017 +0000

description:
Allow multiline makeoptions to work by quoting the newline..

diffstat:

 usr.bin/config/mkmakefile.c |  24 ++++++++++++++++++++----
 1 files changed, 20 insertions(+), 4 deletions(-)

diffs (66 lines):

diff -r 6c73faafd745 -r 4d4275f153d7 usr.bin/config/mkmakefile.c
--- a/usr.bin/config/mkmakefile.c       Thu Jun 15 23:50:20 2017 +0000
+++ b/usr.bin/config/mkmakefile.c       Thu Jun 15 23:52:15 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: mkmakefile.c,v 1.68 2015/09/04 10:16:35 uebayasi Exp $ */
+/*     $NetBSD: mkmakefile.c,v 1.69 2017/06/15 23:52:15 christos Exp $ */
 
 /*
  * Copyright (c) 1992, 1993
@@ -45,7 +45,7 @@
 #endif
 
 #include <sys/cdefs.h>
-__RCSID("$NetBSD: mkmakefile.c,v 1.68 2015/09/04 10:16:35 uebayasi Exp $");
+__RCSID("$NetBSD: mkmakefile.c,v 1.69 2017/06/15 23:52:15 christos Exp $");
 
 #include <sys/param.h>
 #include <ctype.h>
@@ -77,6 +77,7 @@
 static void emitload(FILE *);
 static void emitincludes(FILE *);
 static void emitappmkoptions(FILE *);
+static void emitmkoption(FILE *, const char *, const struct nvlist *);
 static void emitsubs(FILE *, const char *, const char *, int);
 static int  selectopt(const char *, void *);
 
@@ -211,6 +212,21 @@
 }
 
 static void
+emitmkoption(FILE *fp, const char *ass, const struct nvlist *nv)
+{
+
+       fprintf(fp, "%s%s", nv->nv_name, ass);
+
+       for (const char *p = nv->nv_str; *p; p++) {
+               if (*p == '\n')
+                       fputs(" \\", fp);
+               fputc(*p, fp);
+       }
+
+       fputc('\n', fp);
+}
+
+static void
 emitsubs(FILE *fp, const char *line, const char *file, int lineno)
 {
        char *nextpct;
@@ -292,7 +308,7 @@
                fprintf(fp, "___USE_SUFFIX_RULES___=1\n");
        }
        for (nv = mkoptions; nv != NULL; nv = nv->nv_next)
-               fprintf(fp, "%s=%s\n", nv->nv_name, nv->nv_str);
+               emitmkoption(fp, "=", nv);
 }
 
 static void
@@ -583,7 +599,7 @@
        for (nv = condmkoptions; nv != NULL; nv = nv->nv_next) {
                cond = nv->nv_ptr;
                if (expr_eval(cond, selectopt, NULL))
-                       fprintf(fp, "%s+=%s\n", nv->nv_name, nv->nv_str);
+                       emitmkoption(fp, "+=", nv);
                condexpr_destroy(cond);
                nv->nv_ptr = NULL;
        }