Sat Jan 23 14:24:43 2016 UTC ()
Explain what REDIRECT is for.


(christos)
diff -r1.45 -r1.46 src/usr.bin/m4/main.c
cvs diff -r1.45 -r1.46 src/usr.bin/m4/main.c (expand / switch to unified diff)

--- src/usr.bin/m4/main.c 2016/01/16 21:12:27 1.45
+++ src/usr.bin/m4/main.c 2016/01/23 14:24:43 1.46
@@ -1,15 +1,15 @@ @@ -1,15 +1,15 @@
1/* $OpenBSD: main.c,v 1.77 2009/10/14 17:19:47 sthen Exp $ */ 1/* $OpenBSD: main.c,v 1.77 2009/10/14 17:19:47 sthen Exp $ */
2/* $NetBSD: main.c,v 1.45 2016/01/16 21:12:27 christos Exp $ */ 2/* $NetBSD: main.c,v 1.46 2016/01/23 14:24:43 christos Exp $ */
3 3
4/*- 4/*-
5 * Copyright (c) 1989, 1993 5 * Copyright (c) 1989, 1993
6 * The Regents of the University of California. All rights reserved. 6 * The Regents of the University of California. All rights reserved.
7 * 7 *
8 * This code is derived from software contributed to Berkeley by 8 * This code is derived from software contributed to Berkeley by
9 * Ozan Yigit at York University. 9 * Ozan Yigit at York University.
10 * 10 *
11 * Redistribution and use in source and binary forms, with or without 11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions 12 * modification, are permitted provided that the following conditions
13 * are met: 13 * are met:
14 * 1. Redistributions of source code must retain the above copyright 14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer. 15 * notice, this list of conditions and the following disclaimer.
@@ -32,27 +32,27 @@ @@ -32,27 +32,27 @@
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE. 33 * SUCH DAMAGE.
34 */ 34 */
35 35
36/* 36/*
37 * main.c 37 * main.c
38 * Facility: m4 macro processor 38 * Facility: m4 macro processor
39 * by: oz 39 * by: oz
40 */ 40 */
41#if HAVE_NBTOOL_CONFIG_H 41#if HAVE_NBTOOL_CONFIG_H
42#include "nbtool_config.h" 42#include "nbtool_config.h"
43#endif 43#endif
44#include <sys/cdefs.h> 44#include <sys/cdefs.h>
45__RCSID("$NetBSD: main.c,v 1.45 2016/01/16 21:12:27 christos Exp $"); 45__RCSID("$NetBSD: main.c,v 1.46 2016/01/23 14:24:43 christos Exp $");
46#include <assert.h> 46#include <assert.h>
47#include <signal.h> 47#include <signal.h>
48#include <getopt.h> 48#include <getopt.h>
49#include <err.h> 49#include <err.h>
50#include <errno.h> 50#include <errno.h>
51#include <unistd.h> 51#include <unistd.h>
52#include <stdio.h> 52#include <stdio.h>
53#include <ctype.h> 53#include <ctype.h>
54#include <string.h> 54#include <string.h>
55#include <stddef.h> 55#include <stddef.h>
56#include <stdint.h> 56#include <stdint.h>
57#include <stdlib.h> 57#include <stdlib.h>
58#include <ohash.h> 58#include <ohash.h>
@@ -315,26 +315,31 @@ main(int argc, char *argv[]) @@ -315,26 +315,31 @@ main(int argc, char *argv[])
315 fprintf(stderr, "%s version %d\n", getprogname(), 315 fprintf(stderr, "%s version %d\n", getprogname(),
316 VERSION); 316 VERSION);
317 return EXIT_SUCCESS; 317 return EXIT_SUCCESS;
318 case OPT_HELP: 318 case OPT_HELP:
319 help(); 319 help();
320 return EXIT_SUCCESS; 320 return EXIT_SUCCESS;
321 case '?': 321 case '?':
322 default: 322 default:
323 usage(stderr); 323 usage(stderr);
324 return EXIT_FAILURE; 324 return EXIT_FAILURE;
325 } 325 }
326 326
327#ifdef REDIRECT 327#ifdef REDIRECT
 328 /*
 329 * This is meant only for debugging; it makes all output
 330 * go to a known file, even if the command line options
 331 * send it elsewhere. It should not be turned of in production code.
 332 */
328 if (freopen("/tmp/m4", "w+", stderr) == NULL) 333 if (freopen("/tmp/m4", "w+", stderr) == NULL)
329 err(EXIT_FAILURE, "Can't redirect errors to `%s'", 334 err(EXIT_FAILURE, "Can't redirect errors to `%s'",
330 "/tmp/m4"); 335 "/tmp/m4");
331#endif 336#endif
332 argc -= optind; 337 argc -= optind;
333 argv += optind; 338 argv += optind;
334 339
335 340
336 initkwds(); 341 initkwds();
337 if (mimic_gnu) 342 if (mimic_gnu)
338 setup_builtin("format", FORMATTYPE); 343 setup_builtin("format", FORMATTYPE);
339 344
340 active = stdout; /* default active output */ 345 active = stdout; /* default active output */