From: Jean-Yves Migeon <jeanyves.migeon@free.fr>
Date: Wed, 4 Sep 2013 16:58:47 +0000 (+0200)
Subject: Implement "resdevice" and "inode" in the mtree(5) spec.
X-Git-Tag: v3.1.900a~353^2~4
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2c271b395a918da19311da04c4a1a6d0691a34c4;p=thirdparty%2Flibarchive.git

Implement "resdevice" and "inode" in the mtree(5) spec.
- resdevice is the keyword that corresponds to the "resident" device,
e.g. the one where the entry resides;
- inode is entry's inode number.
---

diff --git a/libarchive/archive_read_support_format_mtree.c b/libarchive/archive_read_support_format_mtree.c
index a1d34e2b7..a6cf332e1 100644
--- a/libarchive/archive_read_support_format_mtree.c
+++ b/libarchive/archive_read_support_format_mtree.c
@@ -368,7 +368,7 @@ bid_keyword(const char *p,  ssize_t len)
 		"gid", "gname", NULL
 	};
 	static const char *keys_il[] = {
-		"ignore", "link", NULL
+		"ignore", "inode", "link", NULL
 	};
 	static const char *keys_m[] = {
 		"md5", "md5digest", "mode", NULL
@@ -1435,6 +1435,11 @@ parse_keyword(struct archive_read *a, struct mtree *mtree,
 			archive_entry_copy_gname(entry, val);
 			break;
 		}
+	case 'i':
+		if (strcmp(key, "inode") == 0) {
+			archive_entry_set_ino(entry, mtree_atol10(&val));
+			break;
+		}
 	case 'l':
 		if (strcmp(key, "link") == 0) {
 			archive_entry_copy_symlink(entry, val);
diff --git a/libarchive/archive_write_set_format_mtree.c b/libarchive/archive_write_set_format_mtree.c
index fca398dcb..40db2ffc6 100644
--- a/libarchive/archive_write_set_format_mtree.c
+++ b/libarchive/archive_write_set_format_mtree.c
@@ -128,6 +128,9 @@ struct mtree_entry {
 	unsigned long fflags_clear;
 	dev_t rdevmajor;
 	dev_t rdevminor;
+	dev_t devmajor;
+	dev_t devminor;
+	int64_t ino;
 };
 
 struct mtree_writer {
@@ -210,6 +213,9 @@ struct mtree_writer {
 #define	F_SHA256	0x00800000		/* SHA-256 digest */
 #define	F_SHA384	0x01000000		/* SHA-384 digest */
 #define	F_SHA512	0x02000000		/* SHA-512 digest */
+#define	F_INO		0x04000000		/* inode number */
+#define	F_RESDEV	0x08000000		/* device ID on which the
+						 * entry resides */
 
 	/* Options */
 	int dironly;		/* If it is set, ignore all files except
@@ -823,8 +829,11 @@ mtree_entry_new(struct archive_write *a, struct archive_entry *entry,
 	archive_entry_fflags(entry, &me->fflags_set, &me->fflags_clear);
 	me->mtime = archive_entry_mtime(entry);
 	me->mtime_nsec = archive_entry_mtime_nsec(entry);
-	me->rdevmajor =	archive_entry_rdevmajor(entry);
+	me->rdevmajor = archive_entry_rdevmajor(entry);
 	me->rdevminor = archive_entry_rdevminor(entry);
+	me->devmajor = archive_entry_devmajor(entry);
+	me->devminor = archive_entry_devminor(entry);
+	me->ino = archive_entry_ino(entry);
 	me->size = archive_entry_size(entry);
 	if (me->filetype == AE_IFDIR) {
 		me->dir_info = calloc(1, sizeof(*me->dir_info));
@@ -983,6 +992,15 @@ write_mtree_entry(struct archive_write *a, struct mtree_entry *me)
 	if ((keys & F_UID) != 0)
 		archive_string_sprintf(str, " uid=%jd", (intmax_t)me->uid);
 
+	if ((keys & F_INO) != 0)
+		archive_string_sprintf(str, " inode=%jd", (intmax_t)me->ino);
+	if ((keys & F_RESDEV) != 0) {
+		archive_string_sprintf(str,
+		    " resdevice=native,%ju,%ju",
+		    (uintmax_t)me->rdevmajor,
+		    (uintmax_t)me->rdevminor);
+	}
+
 	switch (me->filetype) {
 	case AE_IFLNK:
 		if ((keys & F_TYPE) != 0)
@@ -1117,7 +1135,7 @@ write_mtree_entry_tree(struct archive_write *a)
 		} else {
 			/* Whenever output_global_set is enabled
 			 * output global value(/set keywords)
-			 * even if the directory entry is not allowd
+			 * even if the directory entry is not allowed
 			 * to be written because the global values
 			 * can be used for the children. */
 			if (mtree->output_global_set)
@@ -1296,6 +1314,8 @@ archive_write_mtree_options(struct archive_write *a, const char *key,
 		if (strcmp(key, "indent") == 0) {
 			mtree->indent = (value != NULL)? 1: 0;
 			return (ARCHIVE_OK);
+		} else if (strcmp(key, "inode") == 0) {
+			keybit = F_INO;
 		}
 		break;
 	case 'l':
@@ -1314,7 +1334,9 @@ archive_write_mtree_options(struct archive_write *a, const char *key,
 			keybit = F_NLINK;
 		break;
 	case 'r':
-		if (strcmp(key, "ripemd160digest") == 0 ||
+		if (strcmp(key, "resdevice") == 0) {
+			keybit = F_RESDEV;
+		} else if (strcmp(key, "ripemd160digest") == 0 ||
 		    strcmp(key, "rmd160") == 0 ||
 		    strcmp(key, "rmd160digest") == 0)
 			keybit = F_RMD160;
@@ -2198,6 +2220,9 @@ mtree_entry_exchange_same_entry(struct archive_write *a, struct mtree_entry *np,
 	np->mtime_nsec = file->mtime_nsec;
 	np->rdevmajor = file->rdevmajor;
 	np->rdevminor = file->rdevminor;
+	np->devmajor = file->devmajor;
+	np->devminor = file->devminor;
+	np->ino = file->ino;
 
 	return (ARCHIVE_WARN);
 }