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From: Gabor Kovesdan <gabor@FreeBSD.org>
To: Perforce Change Reviews <perforce@freebsd.org>
Cc: 
Subject: PERFORCE change 141285 for review
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http://perforce.freebsd.org/chv.cgi?CH=141285

Change 141285 by gabor@gabor_server on 2008/05/07 16:17:48

	- Implement --null

Affected files ...

.. //depot/projects/soc2008/gabor_textproc/grep/grep.c#4 edit
.. //depot/projects/soc2008/gabor_textproc/grep/grep.h#5 edit
.. //depot/projects/soc2008/gabor_textproc/grep/util.c#5 edit

Differences ...

==== //depot/projects/soc2008/gabor_textproc/grep/grep.c#4 (text+ko) ====

@@ -89,6 +89,7 @@
 int	 wflag;		/* -w: pattern must start and end on word boundaries */
 int	 xflag;		/* -x: pattern must match entire line */
 int	 lbflag;	/* --line-buffered */
+int	 nullflag;	/* --null */
 
 int binbehave = BIN_FILE_BIN;
 
@@ -96,7 +97,8 @@
 	BIN_OPT = CHAR_MAX + 1,
 	HELP_OPT,
 	MMAP_OPT,
-	LINEBUF_OPT
+	LINEBUF_OPT,
+	NULL_OPT
 };
 
 /* Housekeeping */
@@ -131,9 +133,8 @@
 	{"line-buffered",	no_argument,		NULL, LINEBUF_OPT},
 /* XXX: UNIMPLEMENTED
 	{"label",		required_argument,	NULL, LABEL_OPT}, */
+	{"null",		no_argument,		NULL, NULL_OPT},
 /* XXX: UNIMPLEMENTED
-	{"null",		no_argument,		NULL, NULL_OPT}, */
-/* XXX: UNIMPLEMENTED
 	{"color",		optional_argument,	NULL, COLOR_OPT},
 	{"colour",		optional_argument,	NULL, COLOR_OPT}, */
 	{"after-context",	required_argument,	NULL, 'A'},
@@ -429,6 +430,9 @@
 		case LINEBUF_OPT:
 			lbflag = 1;
 			break;
+		case NULL_OPT:
+			nullflag = 1;
+			break;
 		case HELP_OPT:
 		default:
 			usage();

==== //depot/projects/soc2008/gabor_textproc/grep/grep.h#5 (text+ko) ====

@@ -63,7 +63,8 @@
 extern int	 Aflag, Bflag, Eflag, Fflag, Gflag, Hflag, Lflag, Pflag,
 		 Sflag, Rflag, Zflag,
 		 bflag, cflag, hflag, iflag, lflag, nflag, qflag, sflag,
-		 vflag, wflag, xflag;
+		 vflag, wflag, xflag,
+		 nullflag;
 extern int	 binbehave;
 
 extern int	 first, matchall, patterns, tail;

==== //depot/projects/soc2008/gabor_textproc/grep/util.c#5 (text+ko) ====

@@ -573,11 +573,13 @@
 void
 printline(struct str *line, int sep)
 {
-	int	 n;
+	int	 n = 0;
 
-	n = 0;
 	if (!hflag) {
-		fputs(line->file, stdout);
+		if (nullflag == 0)
+			fputs(line->file, stdout);
+		else
+			printf("%s", line->file);
 		++n;
 	}
 	if (nflag) {