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[src/trunk]: src/usr.sbin/mtree add the ability to only output paths included...



details:   https://anonhg.NetBSD.org/src/rev/db327553aaa7
branches:  trunk
changeset: 784616:db327553aaa7
user:      christos <christos%NetBSD.org@localhost>
date:      Sun Feb 03 19:15:16 2013 +0000

description:
add the ability to only output paths included in a spec file when creating
from a directory (-c)

diffstat:

 usr.sbin/mtree/Makefile |    4 +-
 usr.sbin/mtree/create.c |    8 ++-
 usr.sbin/mtree/extern.h |    5 +-
 usr.sbin/mtree/mtree.8  |    4 +-
 usr.sbin/mtree/mtree.c  |    9 ++-
 usr.sbin/mtree/only.c   |  131 ++++++++++++++++++++++++++++++++++++++++++++++++
 usr.sbin/mtree/verify.c |    8 ++-
 7 files changed, 158 insertions(+), 11 deletions(-)

diffs (292 lines):

diff -r 1774df7e2d16 -r db327553aaa7 usr.sbin/mtree/Makefile
--- a/usr.sbin/mtree/Makefile   Sun Feb 03 17:46:28 2013 +0000
+++ b/usr.sbin/mtree/Makefile   Sun Feb 03 19:15:16 2013 +0000
@@ -1,4 +1,4 @@
-#      $NetBSD: Makefile,v 1.33 2012/10/05 01:26:56 christos Exp $
+#      $NetBSD: Makefile,v 1.34 2013/02/03 19:15:16 christos Exp $
 #      from: @(#)Makefile      8.2 (Berkeley) 4/27/95
 
 .include <bsd.own.mk>
@@ -8,7 +8,7 @@
 CPPFLAGS+= -DMTREE
 MAN=   mtree.8
 SRCS=  compare.c crc.c create.c excludes.c misc.c mtree.c spec.c specspec.c \
-       verify.c getid.c pack_dev.c
+       verify.c getid.c pack_dev.c only.c
 .if (${HOSTPROG:U} == "")
 DPADD+= ${LIBUTIL}
 LDADD+= -lutil
diff -r 1774df7e2d16 -r db327553aaa7 usr.sbin/mtree/create.c
--- a/usr.sbin/mtree/create.c   Sun Feb 03 17:46:28 2013 +0000
+++ b/usr.sbin/mtree/create.c   Sun Feb 03 19:15:16 2013 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: create.c,v 1.68 2012/12/20 16:43:16 christos Exp $     */
+/*     $NetBSD: create.c,v 1.69 2013/02/03 19:15:17 christos Exp $     */
 
 /*-
  * Copyright (c) 1989, 1993
@@ -38,7 +38,7 @@
 #if 0
 static char sccsid[] = "@(#)create.c   8.1 (Berkeley) 6/6/93";
 #else
-__RCSID("$NetBSD: create.c,v 1.68 2012/12/20 16:43:16 christos Exp $");
+__RCSID("$NetBSD: create.c,v 1.69 2013/02/03 19:15:17 christos Exp $");
 #endif
 #endif /* not lint */
 
@@ -134,6 +134,10 @@
                        fts_set(t, p, FTS_SKIP);
                        continue;
                }
+               if (!find_only(p->fts_path)) {
+                       fts_set(t, p, FTS_SKIP);
+                       continue;
+               }
                switch(p->fts_info) {
                case FTS_D:
                        if (!bflag)
diff -r 1774df7e2d16 -r db327553aaa7 usr.sbin/mtree/extern.h
--- a/usr.sbin/mtree/extern.h   Sun Feb 03 17:46:28 2013 +0000
+++ b/usr.sbin/mtree/extern.h   Sun Feb 03 19:15:16 2013 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: extern.h,v 1.37 2012/12/20 16:43:16 christos Exp $     */
+/*     $NetBSD: extern.h,v 1.38 2013/02/03 19:15:17 christos Exp $     */
 
 /*-
  * Copyright (c) 1991, 1993
@@ -42,6 +42,7 @@
 #include <err.h> 
 #include <fts.h>
 #include <util.h>
+#include <stdbool.h>
 
 #if HAVE_NETDB_H
 /* For MAXHOSTNAMELEN on some platforms. */
@@ -74,6 +75,8 @@
 void    read_excludes_file(const char *);
 const char *rlink(const char *);
 int     verify(FILE *);
+void    load_only(const char *fname);
+bool    find_only(const char *path);
 
 extern int     bflag, dflag, eflag, iflag, jflag, lflag, mflag,
                nflag, qflag, rflag, sflag, tflag, uflag;
diff -r 1774df7e2d16 -r db327553aaa7 usr.sbin/mtree/mtree.8
--- a/usr.sbin/mtree/mtree.8    Sun Feb 03 17:46:28 2013 +0000
+++ b/usr.sbin/mtree/mtree.8    Sun Feb 03 19:15:16 2013 +0000
@@ -1,4 +1,4 @@
-.\"    $NetBSD: mtree.8,v 1.67 2012/12/20 20:31:01 wiz Exp $
+.\"    $NetBSD: mtree.8,v 1.68 2013/02/03 19:15:17 christos Exp $
 .\"
 .\" Copyright (c) 1989, 1990, 1993
 .\"    The Regents of the University of California.  All rights reserved.
@@ -273,6 +273,8 @@
 and
 .Xr getgrnam 3
 (and related) library calls.
+.It Fl O Ar onlypaths
+Only include files included in this list of pathnames.
 .It Fl P
 Don't follow symbolic links in the file hierarchy, instead consider
 the symbolic link itself in any comparisons.
diff -r 1774df7e2d16 -r db327553aaa7 usr.sbin/mtree/mtree.c
--- a/usr.sbin/mtree/mtree.c    Sun Feb 03 17:46:28 2013 +0000
+++ b/usr.sbin/mtree/mtree.c    Sun Feb 03 19:15:16 2013 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: mtree.c,v 1.46 2012/12/20 19:09:25 christos Exp $      */
+/*     $NetBSD: mtree.c,v 1.47 2013/02/03 19:15:17 christos Exp $      */
 
 /*-
  * Copyright (c) 1989, 1990, 1993
@@ -43,7 +43,7 @@
 #if 0
 static char sccsid[] = "@(#)mtree.c    8.1 (Berkeley) 6/6/93";
 #else
-__RCSID("$NetBSD: mtree.c,v 1.46 2012/12/20 19:09:25 christos Exp $");
+__RCSID("$NetBSD: mtree.c,v 1.47 2013/02/03 19:15:17 christos Exp $");
 #endif
 #endif /* not lint */
 
@@ -90,7 +90,7 @@
        spec2 = NULL;
 
        while ((ch = getopt(argc, argv,
-           "bcCdDeE:f:F:I:ijk:K:lLmMnN:p:PqrR:s:StuUwWxX:"))
+           "bcCdDeE:f:F:I:ijk:K:lLmMnN:O:p:PqrR:s:StuUwWxX:"))
            != -1) {
                switch((char)ch) {
                case 'b':
@@ -179,6 +179,9 @@
                            "Unable to use user and group databases in `%s'",
                                    optarg);
                        break;
+               case 'O':
+                       load_only(optarg);
+                       break;
                case 'p':
                        dir = optarg;
                        break;
diff -r 1774df7e2d16 -r db327553aaa7 usr.sbin/mtree/only.c
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/usr.sbin/mtree/only.c     Sun Feb 03 19:15:16 2013 +0000
@@ -0,0 +1,131 @@
+/*     $NetBSD: only.c,v 1.1 2013/02/03 19:15:17 christos Exp $        */
+
+/*-
+ * Copyright (c) 2013 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Christos Zoulas.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of The NetBSD Foundation nor the names of its
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+#if HAVE_NBTOOL_CONFIG_H
+#include "nbtool_config.h"
+#endif
+
+#include <sys/cdefs.h>
+
+#if defined(__RCSID) && !defined(lint)
+__RCSID("$NetBSD: only.c,v 1.1 2013/02/03 19:15:17 christos Exp $");
+#endif
+
+#include <sys/param.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdbool.h>
+#include <time.h>
+#include <err.h>
+#include <util.h>
+
+#include "extern.h"
+
+struct hentry {
+       char *str;
+       uint32_t hash;
+       struct hentry *next;
+};
+
+static struct hentry *table[1024];
+static bool loaded;
+
+static uint32_t
+hash_str(const char *str)
+{
+       const uint8_t *s = (const uint8_t *)str;
+       uint8_t c;
+       uint32_t hash = 0;
+       while ((c = *s++) != '\0') 
+               hash = hash * 33 + c;           /* "perl": k=33, r=r+r/32 */
+       return hash + (hash >> 5);
+}
+
+static bool
+hash_find(const char *str, uint32_t *h)
+{
+       struct hentry *e;
+       *h = hash_str(str) % __arraycount(table);
+
+       for (e = table[*h]; e; e = e->next)
+               if (e->hash == *h && strcmp(e->str, str) == 0)
+                       return true;
+       return false;
+}
+
+static void
+hash_insert(char *str)
+{
+       uint32_t h;
+       struct hentry *e;
+
+       if (hash_find(str, &h))
+               err(1, "Duplicate entry %s", str);
+
+       if ((e = malloc(sizeof(*e))) == NULL)
+               mtree_err("memory allocation error");
+
+       e->str = str;
+       e->hash = h;
+       e->next = table[h];
+       table[h] = e;
+}
+
+void
+load_only(const char *fname)
+{
+       FILE *fp;
+       char *line;
+       size_t len, lineno;
+
+       if ((fp = fopen(fname, "r")) == NULL)
+               err(1, "Cannot open `%s'", fname);
+
+       while ((line = fparseln(fp, &len, &lineno, NULL, FPARSELN_UNESCALL)))
+               hash_insert(line);
+
+       fclose(fp);
+       loaded = true;
+}
+
+bool
+find_only(const char *path)
+{
+       uint32_t h;
+
+       if (!loaded)
+               return true;
+       return hash_find(path, &h);
+}
diff -r 1774df7e2d16 -r db327553aaa7 usr.sbin/mtree/verify.c
--- a/usr.sbin/mtree/verify.c   Sun Feb 03 17:46:28 2013 +0000
+++ b/usr.sbin/mtree/verify.c   Sun Feb 03 19:15:16 2013 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: verify.c,v 1.43 2012/10/05 01:31:05 christos Exp $     */
+/*     $NetBSD: verify.c,v 1.44 2013/02/03 19:15:17 christos Exp $     */
 
 /*-
  * Copyright (c) 1990, 1993
@@ -38,7 +38,7 @@
 #if 0
 static char sccsid[] = "@(#)verify.c   8.1 (Berkeley) 6/6/93";
 #else
-__RCSID("$NetBSD: verify.c,v 1.43 2012/10/05 01:31:05 christos Exp $");
+__RCSID("$NetBSD: verify.c,v 1.44 2013/02/03 19:15:17 christos Exp $");
 #endif
 #endif /* not lint */
 
@@ -95,6 +95,10 @@
                        fts_set(t, p, FTS_SKIP);
                        continue;
                }
+               if (!find_only(p->fts_path)) {
+                       fts_set(t, p, FTS_SKIP);
+                       continue;
+               }
                switch(p->fts_info) {
                case FTS_D:
                case FTS_SL:



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