27 files changed, 291 insertions, 25 deletions
diff --git a/include/Makemodule.am b/include/Makemodule.am
index 068b0f8..c08e24c 100644
--- a/include/Makemodule.am
+++ b/include/Makemodule.am
@@ -13,6 +13,8 @@ dist_noinst_HEADERS += \
 	include/closestream.h \
 	include/colors.h \
 	include/color-names.h \
+	include/column-list-table.h \
+	include/coverage.h \
 	include/cpuset.h \
 	include/crc32.h \
 	include/crc32c.h \
diff --git a/include/audit-arch.h b/include/audit-arch.h
index db14560..ade1824 100644
--- a/include/audit-arch.h
+++ b/include/audit-arch.h
@@ -59,6 +59,14 @@
 #    else
 # 	 define SECCOMP_ARCH_NATIVE AUDIT_ARCH_LOONGARCH64
 #    endif
+#elif __hppa__
+#    if __SIZEOF_POINTER__ == 4
+#	 define SECCOMP_ARCH_NATIVE AUDIT_ARCH_PARISC
+#    else
+#	 define SECCOMP_ARCH_NATIVE AUDIT_ARCH_PARISC64
+#    endif
+#elif __alpha__
+#    define SECCOMP_ARCH_NATIVE AUDIT_ARCH_ALPHA
 #else
 #    error Unknown target architecture
 #endif
diff --git a/include/bitops.h b/include/bitops.h
index 16ba2ab..6d2a2dd 100644
--- a/include/bitops.h
+++ b/include/bitops.h
@@ -31,7 +31,7 @@
 # define be16toh(x) betoh16(x)
 # define be32toh(x) betoh32(x)
 # define be64toh(x) betoh64(x)
-#elif defined(__NetBSD__) || defined(__FreeBSD__) || defined(__DragonFly__)
+#elif defined(__NetBSD__) || defined(__DragonFly__)
 # define bswap_16(x) bswap16(x)
 # define bswap_32(x) bswap32(x)
 # define bswap_64(x) bswap64(x)
diff --git a/include/blkdev.h b/include/blkdev.h
index ffecdcb..efa33af 100644
--- a/include/blkdev.h
+++ b/include/blkdev.h
@@ -131,8 +131,8 @@ int blkdev_is_cdrom(int fd);
 /* get device's geometry - legacy */
 int blkdev_get_geometry(int fd, unsigned int *h, unsigned int *s);
 
-/* SCSI device types.  Copied almost as-is from kernel header.
- * http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/include/scsi/scsi.h */
+/* SCSI device types.  Copied almost as-is from kernel header
+ * (include/scsi/scsi_proto.h). */
 #define SCSI_TYPE_DISK			0x00
 #define SCSI_TYPE_TAPE			0x01
 #define SCSI_TYPE_PRINTER		0x02
@@ -156,7 +156,9 @@ int blkdev_lock(int fd, const char *devname, const char *lockmode);
 #ifdef HAVE_LINUX_BLKZONED_H
 struct blk_zone_report *blkdev_get_zonereport(int fd, uint64_t sector, uint32_t nzones);
 #else
-static inline struct blk_zone_report *blkdev_get_zonereport(int fd, uint64_t sector, uint32_t nzones)
+static inline struct blk_zone_report *blkdev_get_zonereport(int fd __attribute__((unused)),
+							    uint64_t sector __attribute__((unused)),
+							    uint32_t nzones __attribute__((unused)))
 {
 	return NULL;
 }
diff --git a/include/c.h b/include/c.h
index 2b70e8d..61b95ab 100644
--- a/include/c.h
+++ b/include/c.h
@@ -213,6 +213,14 @@
 	(type *)( (char *)__mptr - offsetof(type,member) );})
 #endif
 
+#define read_unaligned_member(p, m) __extension__ ({          \
+	size_t offset = offsetof(__typeof__(* p), m);         \
+	__typeof__(p->m + 0) v;                               \
+	memcpy(&v, ((unsigned char *)p) + offset, sizeof(v)); \
+	v; })
+
+#define member_ptr(p, m) (((unsigned char *)p) + offsetof(__typeof__(*p), m))
+
 #ifndef HAVE_PROGRAM_INVOCATION_SHORT_NAME
 # ifdef HAVE___PROGNAME
 extern char *__progname;
@@ -294,6 +302,9 @@ void __err_oom(const char *file, unsigned int line)
 }
 #define err_oom()	__err_oom(__FILE__, __LINE__)
 
+#define err_nosys(exitcode, ...) \
+	err(errno == ENOSYS ? EXIT_NOTSUPP : exitcode, __VA_ARGS__)
+
 
 /* Don't use inline function to avoid '#include "nls.h"' in c.h
  */
@@ -449,6 +460,7 @@ static inline void __attribute__((__noreturn__)) ul_sig_err(int excode, const ch
 #define USAGE_COMMANDS   _("\nCommands:\n")
 #define USAGE_ARGUMENTS   _("\nArguments:\n")
 #define USAGE_COLUMNS    _("\nAvailable output columns:\n")
+#define USAGE_DEFAULT_COLUMNS _("\nDefault columns:\n")
 #define USAGE_SEPARATOR    "\n"
 
 #define USAGE_OPTSTR_HELP     _("display this help")
@@ -498,6 +510,12 @@ static inline void print_features(const char **features, const char *prefix)
 		exit(eval); \
 })
 
+static inline int fputsln(const char *s, FILE *stream) {
+	if (fputs(s, stream) == EOF)
+		return EOF;
+	return fputc('\n', stdout);
+}
+
 /*
  * seek stuff
  */
@@ -564,4 +582,17 @@ static inline void print_features(const char **features, const char *prefix)
 
 #define SINT_MAX(t) (((t)1 << (sizeof(t) * 8 - 2)) - (t)1 + ((t)1 << (sizeof(t) * 8 - 2)))
 
+#ifndef HAVE_REALLOCARRAY
+static inline void *reallocarray(void *ptr, size_t nmemb, size_t size)
+{
+	size_t s = nmemb * size;
+
+	if (nmemb != 0 && s / nmemb != size) {
+		errno = ENOMEM;
+		return NULL;
+	}
+	return realloc(ptr, s);
+}
+#endif
+
 #endif /* UTIL_LINUX_C_H */
diff --git a/include/caputils.h b/include/caputils.h
index 852903a..8fc214e 100644
--- a/include/caputils.h
+++ b/include/caputils.h
@@ -31,4 +31,6 @@ extern int capget(cap_user_header_t header, const cap_user_data_t data);
 
 extern int cap_last_cap(void);
 
+extern void cap_permitted_to_ambient(void);
+
 #endif /* CAPUTILS_H */
diff --git a/include/column-list-table.h b/include/column-list-table.h
new file mode 100644
index 0000000..1629336
--- /dev/null
+++ b/include/column-list-table.h
@@ -0,0 +1,88 @@
+/*
+ * column-list-table.h - helper functions for implementing -H/--list-columns option
+ *
+ * Copyright (C) 2023 Red Hat, Inc. All rights reserved.
+ * Written by Masatake YAMATO <yamato@redhat.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it would be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#ifndef UTIL_LINUX_COLUMN_LIST_TABLE_H
+#define UTIL_LINUX_COLUMN_LIST_TABLE_H
+
+#include "libsmartcols.h"
+#include <stdio.h>
+
+enum { CLT_COL_HOLDER, CLT_COL_TYPE, CLT_COL_DESC };
+
+static inline struct libscols_table *xcolumn_list_table_new(const char *table_name,
+							    FILE *out,
+							    int raw,
+							    int json)
+{
+	struct clt_colinfo {
+		const char *name;
+		int flags;
+	};
+	struct libscols_table *tb;
+
+	scols_init_debug(0);
+
+	tb = scols_new_table();
+	if (!tb)
+		err(EXIT_FAILURE, _("failed to allocate output table"));
+
+	scols_table_set_name(tb, table_name);
+	scols_table_set_stream(tb, out);
+	scols_table_enable_noheadings(tb, 1);
+	scols_table_enable_raw(tb, raw);
+	scols_table_enable_json(tb, json);
+
+	if (!scols_table_new_column(tb, "HOLDER", 0, SCOLS_FL_RIGHT))
+		goto failed;
+	if (!scols_table_new_column(tb, "TYPE", 0, 0))
+		goto failed;
+	if (!scols_table_new_column(tb, "DESCRIPTION", 0, 0))
+		goto failed;
+	return tb;
+
+ failed:
+	err(EXIT_FAILURE, _("failed to allocate output column"));
+}
+
+static inline void xcolumn_list_table_append_line(struct libscols_table *tb,
+						  const char *name,
+						  int json_type, const char *fallback_typename,
+						  const char *desc)
+{
+	struct libscols_line *ln = scols_table_new_line(tb, NULL);
+	if (!ln)
+		err(EXIT_FAILURE, _("failed to allocate output line"));
+
+	if (scols_line_set_data(ln, CLT_COL_HOLDER, name))
+		err(EXIT_FAILURE, _("failed to add output data"));
+	if (scols_line_set_data(ln, CLT_COL_TYPE, (json_type == SCOLS_JSON_STRING ?        "<string>":
+						   json_type == SCOLS_JSON_ARRAY_STRING ?  "<string>":
+						   json_type == SCOLS_JSON_ARRAY_NUMBER ?  "<string>":
+						   json_type == SCOLS_JSON_NUMBER ?        "<integer>":
+						   json_type == SCOLS_JSON_FLOAT ?         "<float>":
+						   json_type == SCOLS_JSON_BOOLEAN ?       "<boolean>":
+						   fallback_typename ?: "<string>")))
+		err(EXIT_FAILURE, _("failed to add output data"));
+	if (scols_line_set_data(ln, CLT_COL_DESC, desc))
+		err(EXIT_FAILURE, _("failed to add output data"));
+}
+
+#endif
diff --git a/include/coverage.h b/include/coverage.h
new file mode 100644
index 0000000..8ca5b68
--- /dev/null
+++ b/include/coverage.h
@@ -0,0 +1,25 @@
+/*
+ * No copyright is claimed.  This code is in the public domain; do with
+ * it what you wish.
+ */
+#ifndef UTIL_LINUX_COVERAGE_H
+#define UTIL_LINUX_COVERAGE_H
+
+/* When built with --coverage (gcov) we need to explicitly call __gcov_dump()
+ * in places where we use _exit(), since _exit() skips at-exit hooks resulting
+ * in lost coverage.
+ *
+ * To make sure we don't miss any _exit() calls, this header file is included
+ * explicitly on the compiler command line via the -include directive (only
+ * when built with --coverage/-Db_coverage=true)
+ */
+void __gcov_dump(void);
+__attribute__((noreturn)) void _exit(int);
+
+__attribute__((noreturn)) static inline void _coverage__exit(int status) {
+        __gcov_dump();
+        _exit(status);
+}
+#define _exit(x) _coverage__exit(x)
+
+#endif
diff --git a/include/crc32.h b/include/crc32.h
index 81c7703..0d34da0 100644
--- a/include/crc32.h
+++ b/include/crc32.h
@@ -1,6 +1,6 @@
 /*
- * No copyright is claimed. This code is in the public domain; do with it what
- * you wish.
+ * No copyright is claimed. This code is in the public domain; do with
+ * it what you wish.
  */
 #ifndef UL_CRC32_H
 #define UL_CRC32_H
diff --git a/include/crc32c.h b/include/crc32c.h
index 3d27461..1ac6b97 100644
--- a/include/crc32c.h
+++ b/include/crc32c.h
@@ -1,6 +1,6 @@
 /*
- * No copyright is claimed. This code is in the public domain; do with it what
- * you wish.
+ * No copyright is claimed. This code is in the public domain; do with
+ * it what you wish.
  */
 #ifndef UL_CRC32C_H
 #define UL_CRC32C_H
diff --git a/include/crc64.h b/include/crc64.h
index 7cd2c4c..6bdd079 100644
--- a/include/crc64.h
+++ b/include/crc64.h
@@ -1,3 +1,7 @@
+/* SPDX-License-Identifier: MIT
+ *
+ * This file is licensed under the MIT License.
+ */
 #ifndef UL_CRC64_H
 #define UL_CRC64_H
 
diff --git a/include/env.h b/include/env.h
index 9a0ec4f..9b29919 100644
--- a/include/env.h
+++ b/include/env.h
@@ -30,7 +30,7 @@ static inline void xsetenv(char const *name, char const *val, int overwrite)
 		err(XSETENV_EXIT_CODE, _("failed to set the %s environment variable"), name);
 }
 
-static inline int remote_entry(char **argv, int remove, int last)
+static inline int remove_entry(char **argv, int remove, int last)
 {
 	memmove(argv + remove, argv + remove + 1, sizeof(char *) * (last - remove));
 	return last - 1;
diff --git a/include/jsonwrt.h b/include/jsonwrt.h
index 421903a..b450afc 100644
--- a/include/jsonwrt.h
+++ b/include/jsonwrt.h
@@ -41,8 +41,12 @@ void ul_jsonwrt_value_raw(struct ul_jsonwrt *fmt,
 			const char *name, const char *data);
 void ul_jsonwrt_value_s(struct ul_jsonwrt *fmt,
 			const char *name, const char *data);
+void ul_jsonwrt_value_s_sized(struct ul_jsonwrt *fmt,
+			      const char *name, const char *data, size_t size);
 void ul_jsonwrt_value_u64(struct ul_jsonwrt *fmt,
 			const char *name, uint64_t data);
+void ul_jsonwrt_value_double(struct ul_jsonwrt *fmt,
+			const char *name, long double data);
 void ul_jsonwrt_value_boolean(struct ul_jsonwrt *fmt,
 			const char *name, int data);
 void ul_jsonwrt_value_null(struct ul_jsonwrt *fmt,
diff --git a/include/loopdev.h b/include/loopdev.h
index 903adc4..d10bf7f 100644
--- a/include/loopdev.h
+++ b/include/loopdev.h
@@ -112,7 +112,8 @@ struct loopdev_cxt {
 	char		device[128];	/* device path (e.g. /dev/loop<N>) */
 	char		*filename;	/* backing file for loopcxt_set_... */
 	int		fd;		/* open(/dev/looo<N>) */
-	int		mode;		/* fd mode O_{RDONLY,RDWR} */
+	dev_t		devno;		/* loop device devno from /sys */
+	mode_t		mode;		/* fd mode O_{RDONLY,RDWR} */
 	uint64_t	blocksize;	/* used by loopcxt_setup_device() */
 
 	int		flags;		/* LOOPDEV_FL_* flags */
@@ -120,9 +121,10 @@ struct loopdev_cxt {
 	unsigned int	extra_check:1;	/* unusual stuff for iterator */
 	unsigned int	info_failed:1;	/* LOOP_GET_STATUS ioctl failed */
 	unsigned int    control_ok:1;	/* /dev/loop-control success */
+	unsigned int	is_lost:1;	/* device in /sys, but missing in /dev */
 
 	struct path_cxt		*sysfs; /* pointer to /sys/dev/block/<maj:min>/ */
-	struct loop_config 	config;	/* for GET/SET ioctl */
+	struct loop_config	config;	/* for GET/SET ioctl */
 	struct loopdev_iter	iter;	/* scans /sys or /dev for used/free devices */
 };
 
@@ -132,8 +134,6 @@ struct loopdev_cxt {
  * loopdev_cxt.flags
  */
 enum {
-	LOOPDEV_FL_RDONLY	= (1 << 0),	/* open(/dev/loop) mode; default */
-	LOOPDEV_FL_RDWR		= (1 << 1),	/* necessary for loop setup only */
 	LOOPDEV_FL_OFFSET	= (1 << 4),
 	LOOPDEV_FL_NOSYSFS	= (1 << 5),
 	LOOPDEV_FL_NOIOCTL	= (1 << 6),
@@ -151,7 +151,9 @@ extern int is_loopdev(const char *device);
 extern int loopdev_is_autoclear(const char *device);
 
 extern char *loopdev_get_backing_file(const char *device);
+extern dev_t loopcxt_get_devno(struct loopdev_cxt *lc);
 extern int loopdev_has_backing_file(const char *device);
+extern int loopcxt_is_lost(struct loopdev_cxt *lc);
 extern int loopdev_is_used(const char *device, const char *filename,
 			   uint64_t offset, uint64_t sizelimit, int flags);
 extern char *loopdev_find_by_backing_file(const char *filename,
@@ -176,7 +178,7 @@ extern const char *loopcxt_get_device(struct loopdev_cxt *lc);
 extern struct loop_info64 *loopcxt_get_info(struct loopdev_cxt *lc);
 
 extern int loopcxt_get_fd(struct loopdev_cxt *lc);
-extern int loopcxt_set_fd(struct loopdev_cxt *lc, int fd, int mode);
+extern int loopcxt_set_fd(struct loopdev_cxt *lc, int fd, mode_t mode);
 
 extern int loopcxt_init_iterator(struct loopdev_cxt *lc, int flags);
 extern int loopcxt_deinit_iterator(struct loopdev_cxt *lc);
@@ -195,8 +197,10 @@ int loopcxt_set_sizelimit(struct loopdev_cxt *lc, uint64_t sizelimit);
 int loopcxt_set_blocksize(struct loopdev_cxt *lc, uint64_t blocksize);
 int loopcxt_set_flags(struct loopdev_cxt *lc, uint32_t flags);
 int loopcxt_set_backing_file(struct loopdev_cxt *lc, const char *filename);
+int loopcxt_set_refname(struct loopdev_cxt *lc, const char *refname);
 
 extern char *loopcxt_get_backing_file(struct loopdev_cxt *lc);
+extern char *loopcxt_get_refname(struct loopdev_cxt *lc);
 extern int loopcxt_get_backing_devno(struct loopdev_cxt *lc, dev_t *devno);
 extern int loopcxt_get_backing_inode(struct loopdev_cxt *lc, ino_t *ino);
 extern int loopcxt_get_offset(struct loopdev_cxt *lc, uint64_t *offset);
diff --git a/include/mbsalign.h b/include/mbsalign.h
index 6e56755..c142610 100644
--- a/include/mbsalign.h
+++ b/include/mbsalign.h
@@ -55,6 +55,7 @@ extern size_t mbs_width(const char *s);
 extern char *mbs_safe_encode(const char *s, size_t *width);
 extern char *mbs_safe_encode_to_buffer(const char *s, size_t *width, char *buf, const char *safechars);
 extern size_t mbs_safe_encode_size(size_t bytes);
+extern size_t mbs_safe_decode_size(const char *s);
 
 extern char *mbs_invalid_encode(const char *s, size_t *width);
 extern char *mbs_invalid_encode_to_buffer(const char *s, size_t *width, char *buf);
diff --git a/include/path.h b/include/path.h
index 19c1be6..e523f17 100644
--- a/include/path.h
+++ b/include/path.h
@@ -134,8 +134,6 @@ int ul_path_countf_dirents(struct path_cxt *pc, const char *path, ...)
 
 int ul_path_next_dirent(struct path_cxt *pc, DIR **sub, const char *dirname, struct dirent **d);
 
-FILE *ul_prefix_fopen(const char *prefix, const char *path, const char *mode);
-
 
 #ifdef HAVE_CPU_SET_T
 # include "cpuset.h"
diff --git a/include/pathnames.h b/include/pathnames.h
index 56f64c3..81fa405 100644
--- a/include/pathnames.h
+++ b/include/pathnames.h
@@ -108,6 +108,7 @@
 #define _PATH_PROC_SETGROUPS	"/proc/self/setgroups"
 
 #define _PATH_PROC_FDDIR	"/proc/self/fd"
+#define _PATH_PROC_TIMENS_OFF   "/proc/self/timens_offsets"
 
 #define _PATH_PROC_ATTR_CURRENT	"/proc/self/attr/current"
 #define _PATH_PROC_ATTR_EXEC	"/proc/self/attr/exec"
@@ -226,5 +227,10 @@
 #define _PATH_DEV_RFKILL	"/dev/rfkill"
 #define _PATH_SYS_RFKILL	"/sys/class/rfkill"
 
+/* cgroup path */
+#define _PATH_SYS_CGROUP	"/sys/fs/cgroup"
+
+/* Maximum number of PIDs system supports */
+#define _PATH_PROC_PIDMAX	"/proc/sys/kernel/pid_max"
 
 #endif /* PATHNAMES_H */
diff --git a/include/procfs.h b/include/procfs.h
index 25be513..14625e0 100644
--- a/include/procfs.h
+++ b/include/procfs.h
@@ -32,6 +32,7 @@ extern int procfs_process_get_uid(struct path_cxt *pc, uid_t *uid);
 extern ssize_t procfs_process_get_cmdline(struct path_cxt *pc, char *buf, size_t bufsz);
 extern ssize_t procfs_process_get_cmdname(struct path_cxt *pc, char *buf, size_t bufsz);
 extern ssize_t procfs_process_get_stat(struct path_cxt *pc, char *buf, size_t bufsz);
+extern ssize_t procfs_process_get_syscall(struct path_cxt *pc, char *buf, size_t bufsz);
 
 extern int procfs_process_get_stat_nth(struct path_cxt *pc, int n, uintmax_t *re);
 
diff --git a/include/pt-gpt-partnames.h b/include/pt-gpt-partnames.h
index 2ee9068..b246eca 100644
--- a/include/pt-gpt-partnames.h
+++ b/include/pt-gpt-partnames.h
@@ -232,6 +232,9 @@ DEF_GUID("49F48DAA-B10E-11DC-B99B-0019D1879648", N_("NetBSD RAID")),
 DEF_GUID("FE3A2A5D-4F32-41A7-B725-ACCC3285A309", N_("ChromeOS kernel")),
 DEF_GUID("3CB8E202-3B7E-47DD-8A3C-7FF2A13CFCEC", N_("ChromeOS root fs")),
 DEF_GUID("2E0A753D-9E48-43B0-8337-B15192CB1B5E", N_("ChromeOS reserved")),
+DEF_GUID("CAB6E88E-ABF3-4102-A07A-D4BB9BE3C1D3", N_("ChromeOS firmware")),
+DEF_GUID("09845860-705F-4BB5-B16C-8A8A099CAF52", N_("ChromeOS miniOS")),
+DEF_GUID("3F0F8318-F146-4E6B-8222-C28C8F02E0D5", N_("ChromeOS hibernate")),
 
 /* MidnightBSD */
 DEF_GUID("85D5E45A-237C-11E1-B4B3-E89A8F7FC3A7", N_("MidnightBSD data")),
@@ -286,3 +289,6 @@ DEF_GUID("3D48CE54-1D16-11DC-8696-01301BB8A9F5", N_("DragonFlyBSD Label64")),
 DEF_GUID("BD215AB2-1D16-11DC-8696-01301BB8A9F5", N_("DragonFlyBSD Legacy")),
 DEF_GUID("61DC63AC-6E38-11DC-8513-01301BB8A9F5", N_("DragonFlyBSD HAMMER")),
 DEF_GUID("5CBB9AD1-862D-11DC-A94D-01301BB8A9F5", N_("DragonFlyBSD HAMMER2")),
+
+/* U-Boot */
+DEF_GUID("3DE21764-95BD-54BD-A5C3-4ABE786F38A8", N_("U-Boot environment")),
diff --git a/include/pt-mbr.h b/include/pt-mbr.h
index 93a6def..81b2aee 100644
--- a/include/pt-mbr.h
+++ b/include/pt-mbr.h
@@ -19,7 +19,7 @@ struct dos_partition {
 #define MBR_PT_OFFSET		0x1be
 #define MBR_PT_BOOTBITS_SIZE	440
 
-static inline struct dos_partition *mbr_get_partition(unsigned char *mbr, int i)
+static inline struct dos_partition *mbr_get_partition(const unsigned char *mbr, int i)
 {
 	return (struct dos_partition *)
 		(mbr + MBR_PT_OFFSET + (i * sizeof(struct dos_partition)));
@@ -42,7 +42,7 @@ static inline void __dos_store_4le(unsigned char *p, unsigned int val)
 	p[3] = ((val >> 24) & 0xff);
 }
 
-static inline unsigned int dos_partition_get_start(struct dos_partition *p)
+static inline unsigned int dos_partition_get_start(const struct dos_partition *p)
 {
 	return __dos_assemble_4le(&(p->start_sect[0]));
 }
@@ -52,7 +52,7 @@ static inline void dos_partition_set_start(struct dos_partition *p, unsigned int
 	__dos_store_4le(p->start_sect, n);
 }
 
-static inline unsigned int dos_partition_get_size(struct dos_partition *p)
+static inline unsigned int dos_partition_get_size(const struct dos_partition *p)
 {
 	return __dos_assemble_4le(&(p->nr_sects[0]));
 }
diff --git a/include/pty-session.h b/include/pty-session.h
index bece863..734a7f6 100644
--- a/include/pty-session.h
+++ b/include/pty-session.h
@@ -1,5 +1,6 @@
 /*
- * This code is in the public domain; do with it what you wish.
+ * No copyright is claimed.  This code is in the public domain; do with
+ * it what you wish.
  *
  * Written by Karel Zak <kzak@redhat.com> in Jul 2019
  */
diff --git a/include/shells.h b/include/shells.h
index ba59ba4..c770a13 100644
--- a/include/shells.h
+++ b/include/shells.h
@@ -4,6 +4,7 @@
 #ifndef UTIL_LINUX_SHELLS_H
 #define UTIL_LINUX_SHELLS_H
 
+extern void print_shells(FILE *out, const char *format);
 extern int is_known_shell(const char *shell_name);
 
 #endif /* UTIL_LINUX_SHELLS_H */
diff --git a/include/strutils.h b/include/strutils.h
index 07aa656..e9f8a0c 100644
--- a/include/strutils.h
+++ b/include/strutils.h
@@ -27,6 +27,7 @@ extern int ul_strtos64(const char *str, int64_t *num, int base);
 extern int ul_strtou64(const char *str, uint64_t *num, int base);
 extern int ul_strtos32(const char *str, int32_t *num, int base);
 extern int ul_strtou32(const char *str, uint32_t *num, int base);
+extern int ul_strtold(const char *str, long double *num);
 
 extern int64_t str2num_or_err(const char *str, int base, const char *errmesg, int64_t low, int64_t up);
 extern uint64_t str2unum_or_err(const char *str, int base, const char *errmesg, uint64_t up);
@@ -388,12 +389,33 @@ static inline void strrem(char *s, int rem)
 	*p = '\0';
 }
 
+/* returns next string after \0 if before @end */
+static inline char *ul_next_string(char *p, char *end)
+{
+	char *last;
+
+	if (!p || !end || p >= end)
+		return NULL;
+
+	for (last = p; p < end; p++) {
+		if (*last == '\0' && p != last)
+			return p;
+		last = p;
+	}
+
+	return NULL;
+}
+
 extern char *strnconcat(const char *s, const char *suffix, size_t b);
 extern char *strconcat(const char *s, const char *suffix);
 extern char *strfconcat(const char *s, const char *format, ...)
 		 __attribute__ ((__format__ (__printf__, 2, 3)));
 
 extern int strappend(char **a, const char *b);
+extern int strfappend(char **a, const char *format, ...)
+		 __attribute__ ((__format__ (__printf__, 2, 3)));
+extern int strvfappend(char **a, const char *format, va_list ap)
+		 __attribute__ ((__format__ (__printf__, 2, 0)));
 
 extern const char *split(const char **state, size_t *l, const char *separator, int quoted);
 
diff --git a/include/strv.h b/include/strv.h
index 6091fce..db24ce4 100644
--- a/include/strv.h
+++ b/include/strv.h
@@ -30,7 +30,6 @@ int strv_consume_prepend(char ***l, char *value);
 char **strv_remove(char **l, const char *s);
 
 char **strv_new(const char *x, ...);
-char **strv_new_ap(const char *x, va_list ap);
 
 static inline const char* STRV_IFNOTNULL(const char *x) {
         return x ? x : (const char *) -1;
diff --git a/include/timeutils.h b/include/timeutils.h
index a195df8..27261ab 100644
--- a/include/timeutils.h
+++ b/include/timeutils.h
@@ -18,6 +18,7 @@
 #include <stdio.h>
 #include <inttypes.h>
 #include <sys/time.h>
+#include <stdbool.h>
 
 typedef uint64_t usec_t;
 typedef uint64_t nsec_t;
@@ -56,8 +57,10 @@ enum {
 	ISO_TIMEZONE		= (1 << 2),
 	ISO_DOTUSEC		= (1 << 3),
 	ISO_COMMAUSEC		= (1 << 4),
-	ISO_T			= (1 << 5),
-	ISO_GMTIME		= (1 << 6),
+	ISO_DOTNSEC		= (1 << 5),
+	ISO_COMMANSEC		= (1 << 6),
+	ISO_T			= (1 << 7),
+	ISO_GMTIME		= (1 << 8),
 	ISO_TIMESTAMP		= ISO_DATE | ISO_TIME | ISO_TIMEZONE,
 	ISO_TIMESTAMP_T		= ISO_TIMESTAMP | ISO_T,
 	ISO_TIMESTAMP_DOT	= ISO_TIMESTAMP | ISO_DOTUSEC,
@@ -71,9 +74,11 @@ enum {
 #define CTIME_BUFSIZ	26
 #define ISO_BUFSIZ	42
 
-int strtimeval_iso(struct timeval *tv, int flags, char *buf, size_t bufsz);
-int strtm_iso(struct tm *tm, int flags, char *buf, size_t bufsz);
+int strtimeval_iso(const struct timeval *tv, int flags, char *buf, size_t bufsz);
+int strtm_iso(const struct tm *tm, int flags, char *buf, size_t bufsz);
 int strtime_iso(const time_t *t, int flags, char *buf, size_t bufsz);
+int strtimespec_iso(const struct timespec *t, int flags, char *buf, size_t bufsz);
+int strtimespec_relative(const struct timespec *ts, char *buf, size_t bufsz);
 
 #define UL_SHORTTIME_THISYEAR_HHMM (1 << 1)
 
@@ -102,4 +107,9 @@ static inline struct timeval usec_to_timeval(usec_t t)
 	return r;
 }
 
+static inline bool is_timespecset(const struct timespec *t)
+{
+	return t->tv_sec || t->tv_nsec;
+}
+
 #endif /* UTIL_LINUX_TIME_UTIL_H */
diff --git a/include/ttyutils.h b/include/ttyutils.h
index e28a2b0..39182b6 100644
--- a/include/ttyutils.h
+++ b/include/ttyutils.h
@@ -88,6 +88,7 @@ struct chardata {
 extern int get_terminal_dimension(int *cols, int *lines);
 extern int get_terminal_width(int default_width);
 extern int get_terminal_type(const char **type);
+extern char *get_terminal_default_type(const char *ttyname, int is_serial);
 extern int get_terminal_stdfd(void);
 extern int get_terminal_name(const char **path, const char **name,
 			     const char **number);
diff --git a/include/xalloc.h b/include/xalloc.h
index 1dee5fe..f7d42c9 100644
--- a/include/xalloc.h
+++ b/include/xalloc.h
@@ -17,6 +17,7 @@
 #include <string.h>
 
 #include "c.h"
+#include "strutils.h"
 
 #ifndef XALLOC_EXIT_CODE
 # define XALLOC_EXIT_CODE EXIT_FAILURE
@@ -47,6 +48,18 @@ void *xrealloc(void *ptr, const size_t size)
 }
 
 static inline
+__ul_calloc_size(2, 3)
+__ul_returns_nonnull
+void *xreallocarray(void *ptr, const size_t nelems, const size_t size)
+{
+	void *ret = reallocarray(ptr, nelems, size);
+
+	if (!ret && size && nelems)
+		err(XALLOC_EXIT_CODE, "cannot allocate %zu bytes", size);
+	return ret;
+}
+
+static inline
 __ul_calloc_size(1, 2)
 __ul_returns_nonnull
 void *xcalloc(const size_t nelems, const size_t size)
@@ -113,6 +126,43 @@ int xvasprintf(char **strp, const char *fmt, va_list ap)
 	return ret;
 }
 
+static inline void xstrappend(char **a, const char *b)
+{
+	if (strappend(a, b) < 0)
+		err(XALLOC_EXIT_CODE, "cannot allocate string");
+}
+
+static inline void xstrputc(char **a, char c)
+{
+	char b[] = {c, '\0'};
+	xstrappend(a, b);
+}
+
+static inline
+__attribute__((__format__(printf, 2, 0)))
+int xstrvfappend(char **a, const char *format, va_list ap)
+{
+	int ret = strvfappend(a, format, ap);
+
+	if (ret < 0)
+		err(XALLOC_EXIT_CODE, "cannot allocate string");
+	return ret;
+
+}
+
+static inline
+__attribute__ ((__format__ (__printf__, 2, 3)))
+int xstrfappend(char **a, const char *format, ...)
+{
+	va_list ap;
+	int ret;
+
+	va_start(ap, format);
+	ret = xstrvfappend(a, format, ap);
+	va_end(ap);
+
+	return ret;
+}
 
 static inline
 __attribute__((warn_unused_result))