From 79cc85d3ca71091792167732ca2b404c41c08039 Mon Sep 17 00:00:00 2001
From: Bill Paul <wpaul@FreeBSD.org>
Date: Fri, 13 Dec 1996 02:40:39 +0000
Subject: [PATCH] Close PR #2193: support backslash line continuations. (Also
 did some minor cleanups.)

---
 libexec/revnetgroup/hash.h           | 11 ++++++++++-
 libexec/revnetgroup/parse_netgroup.c | 10 ++++------
 libexec/revnetgroup/revnetgroup.c    | 17 +++++++++--------
 3 files changed, 23 insertions(+), 15 deletions(-)

diff --git a/libexec/revnetgroup/hash.h b/libexec/revnetgroup/hash.h
index 4de29e659867..a8ad74720e89 100644
--- a/libexec/revnetgroup/hash.h
+++ b/libexec/revnetgroup/hash.h
@@ -29,7 +29,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- *	$Id: hash.h,v 1.1.1.1 1995/10/26 16:25:29 wpaul Exp $
+ *	$Id: hash.h,v 1.2 1996/05/12 17:17:42 wpaul Exp $
  */
 
 /* Groupname entry hung off a member_entry node. */
@@ -56,3 +56,12 @@ struct group_entry {
 /* Table size (chosen arbitrarily). Not too big, not too small. */
 #define TABLESIZE 256
 #define HASH_MASK 0x000000FF
+
+#define LINSIZ 1024 * 10
+
+extern void store __P(( struct group_entry ** , char *, char * ));
+extern void mstore __P(( struct member_entry ** , char *, char *, char * ));
+extern char *lookup __P(( struct group_entry **, char * ));
+extern void __endnetgrent __P(( void ));
+extern void __setnetgrent __P(( char * ));
+extern int __getnetgrent __P(( char **, char **, char ** ));
diff --git a/libexec/revnetgroup/parse_netgroup.c b/libexec/revnetgroup/parse_netgroup.c
index bc048e12eaed..7e7d82490827 100644
--- a/libexec/revnetgroup/parse_netgroup.c
+++ b/libexec/revnetgroup/parse_netgroup.c
@@ -35,7 +35,7 @@
  */
 
 #if defined(LIBC_SCCS) && !defined(lint)
-static char sccsid[] = "$Id: parse_netgroup.c,v 1.1.1.1 1995/10/26 16:25:29 wpaul Exp $";
+static char sccsid[] = "$Id: parse_netgroup.c,v 1.2 1996/05/12 17:17:44 wpaul Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 /*
@@ -52,7 +52,7 @@ static char sccsid[] = "$Id: parse_netgroup.c,v 1.1.1.1 1995/10/26 16:25:29 wpau
 #include "hash.h"
 
 #ifndef lint
-static const char rcsid[] = "$Id$";
+static const char rcsid[] = "$Id: parse_netgroup.c,v 1.2 1996/05/12 17:17:44 wpaul Exp $";
 #endif
 
 /*
@@ -92,8 +92,6 @@ static struct linelist *read_for_group();
 void __setnetgrent(), __endnetgrent();
 int __getnetgrent();
 extern struct group_entry *gtable[];
-extern char *lookup __P(( struct group_entry *[], char * ));
-#define	LINSIZ	1024	/* Length of netgroup file line */
 
 /*
  * setnetgrent()
@@ -296,12 +294,12 @@ static struct linelist *
 read_for_group(group)
 	char *group;
 {
-	register char *pos, *spos, *linep, *olinep;
+	register char *pos, *spos, *linep = NULL, *olinep = NULL;
 	register int len, olen;
 	int cont;
 	struct linelist *lp;
 	char line[LINSIZ + 1];
-	char *key = NULL, *data = NULL;
+	char *data = NULL;
 
 	data = lookup (gtable, group);
 	sprintf(line, "%s %s", group, data);
diff --git a/libexec/revnetgroup/revnetgroup.c b/libexec/revnetgroup/revnetgroup.c
index 70c0a2c4b09b..2789b85810d0 100644
--- a/libexec/revnetgroup/revnetgroup.c
+++ b/libexec/revnetgroup/revnetgroup.c
@@ -35,7 +35,7 @@
  * Center for Telecommunications Research
  * Columbia University, New York City
  *
- *	$Id: revnetgroup.c,v 1.2 1996/05/12 17:17:45 wpaul Exp $
+ *	$Id: revnetgroup.c,v 1.3 1996/08/04 19:17:15 wpaul Exp $
  */
 
 #include <stdio.h>
@@ -46,11 +46,9 @@
 #include "hash.h"
 
 #ifndef lint
-static const char rcsid[] = "$Id: revnetgroup.c,v 1.2 1996/05/12 17:17:45 wpaul Exp $";
+static const char rcsid[] = "$Id: revnetgroup.c,v 1.3 1996/08/04 19:17:15 wpaul Exp $";
 #endif
 
-#define LINSIZ 1024
-
 /* Default location of netgroup file. */
 char *netgroup = "/etc/netgroup";
 
@@ -63,10 +61,6 @@ struct group_entry *gtable[TABLESIZE];
  */
 struct member_entry *mtable[TABLESIZE];
 
-extern void store __P(( struct group_entry ** , char *, char * ));
-extern void mstore __P(( struct member_entry ** , char *, char *, char * ));
-extern char *lookup __P(( struct group_entry **, char * ));
-
 void usage(prog)
 char *prog;
 {
@@ -76,6 +70,7 @@ char *prog;
 
 extern char *optarg;
 
+int
 main(argc, argv)
 	int argc;
 	char *argv[];
@@ -132,6 +127,12 @@ main(argc, argv)
 	while (fgets(readbuf, LINSIZ, fp)) {
 		if (readbuf[0] == '#')
 			continue;
+		/* handle backslash line continuations */
+		while(readbuf[strlen(readbuf) - 2] == '\\') {
+			fgets((char *)&readbuf[strlen(readbuf) - 2],
+					sizeof(readbuf) - strlen(readbuf), fp);
+		}
+		data = NULL;
 		if ((data = (char *)(strpbrk(readbuf, " \t") + 1)) < (char *)2)
 			continue;
 		key = (char *)&readbuf;