use PACKED macro insted of open-coding GCC-ism

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

archival/libunarchive/decompress_unlzma.c

@@ -156,7 +156,7 @@ typedef struct {
 	uint8_t pos;
 	uint32_t dict_size;
 	uint64_t dst_size;
-} __attribute__ ((packed)) lzma_header_t;
+} PACKED lzma_header_t;
 
 
 /* #defines will force compiler to compute/optimize each one with each usage.

archival/libunarchive/decompress_unzip.c

@@ -1117,7 +1117,7 @@ static int check_header_gzip(STATE_PARAM unpack_info_t *info)
 			uint32_t mtime;
 			uint8_t xtra_flags_UNUSED;
 			uint8_t os_flags_UNUSED;
-		} __attribute__((packed)) formatted;
+		} PACKED formatted;
 	} header;
 	struct BUG_header {
 		char BUG_header[sizeof(header) == 8 ? 1 : -1];

util-linux/mkfs_vfat.c

@@ -79,7 +79,7 @@ struct msdos_dir_entry {
 	uint16_t date;           /* 018 date */
 	uint16_t start;          /* 01a first cluster */
 	uint32_t size;           /* 01c file size in bytes */
-} __attribute__ ((packed));
+} PACKED;
 
 /* Example of boot sector's beginning:
 0000  eb 58 90 4d 53 57 49 4e  34 2e 31 00 02 08 26 00  |...MSWIN4.1...&.|
@@ -96,7 +96,7 @@ struct msdos_volume_info { /* (offsets are relative to start of boot sector) */
 	uint32_t volume_id32;     /* 043 volume ID number */
 	char     volume_label[11];/* 047 volume label */
 	char     fs_type[8];      /* 052 typically "FATnn" */
-} __attribute__ ((packed));       /* 05a end. Total size 26 (0x1a) bytes */
+} PACKED;                         /* 05a end. Total size 26 (0x1a) bytes */
 
 struct msdos_boot_sector {
 	char     boot_jump[3];       /* 000 short or near jump instruction */
@@ -124,7 +124,7 @@ struct msdos_boot_sector {
 	char     boot_code[0x200 - 0x5a - 2]; /* 05a */
 #define BOOT_SIGN 0xAA55
 	uint16_t boot_sign;          /* 1fe */
-} __attribute__ ((packed));
+} PACKED;
 
 #define FAT_FSINFO_SIG1 0x41615252
 #define FAT_FSINFO_SIG2 0x61417272
@@ -137,7 +137,7 @@ struct fat32_fsinfo {
 	uint32_t reserved2[3];
 	uint16_t reserved3;          /* 1fc */
 	uint16_t boot_sign;          /* 1fe */
-} __attribute__ ((packed));
+} PACKED;
 
 struct bug_check {
 	char BUG1[sizeof(struct msdos_dir_entry  ) == 0x20 ? 1 : -1];

util-linux/volume_id/cramfs.c

@@ -31,9 +31,9 @@ struct cramfs_super {
 		uint32_t	edition;
 		uint32_t	blocks;
 		uint32_t	files;
-	} __attribute__((__packed__)) info;
+	} PACKED info;
 	uint8_t		name[16];
-} __attribute__((__packed__));
+} PACKED;
 
 int volume_id_probe_cramfs(struct volume_id *id /*,uint64_t off*/)
 {

util-linux/volume_id/ext.c

@@ -37,7 +37,7 @@ struct ext2_super_block {
 	uint32_t	feature_ro_compat;
 	uint8_t	uuid[16];
 	uint8_t	volume_name[16];
-} __attribute__((__packed__));
+} PACKED;
 
 #define EXT3_FEATURE_COMPAT_HAS_JOURNAL		0x00000004
 #define EXT3_FEATURE_INCOMPAT_JOURNAL_DEV	0x00000008

util-linux/volume_id/fat.c

@@ -54,7 +54,7 @@ struct vfat_super_block {
 			uint8_t		magic[8];
 			uint8_t		dummy2[192];
 			uint8_t		pmagic[2];
-		} __attribute__((__packed__)) fat;
+		} PACKED fat;
 		struct fat32_super_block {
 			uint32_t	fat32_length;
 			uint16_t	flags;
@@ -69,9 +69,9 @@ struct vfat_super_block {
 			uint8_t		magic[8];
 			uint8_t		dummy2[164];
 			uint8_t		pmagic[2];
-		} __attribute__((__packed__)) fat32;
-	} __attribute__((__packed__)) type;
-} __attribute__((__packed__));
+		} PACKED fat32;
+	} PACKED type;
+} PACKED;
 
 struct vfat_dir_entry {
 	uint8_t		name[11];
@@ -85,7 +85,7 @@ struct vfat_dir_entry {
 	uint16_t	date_write;
 	uint16_t	cluster_low;
 	uint32_t	size;
-} __attribute__((__packed__));
+} PACKED;
 
 static uint8_t *get_attr_volume_id(struct vfat_dir_entry *dir, int count)
 {

util-linux/volume_id/hfs.c

@@ -28,7 +28,7 @@ struct hfs_finder_info{
 	uint32_t	reserved;
 	uint32_t	osx_folder;
 	uint8_t		id[8];
-} __attribute__((__packed__));
+} PACKED;
 
 struct hfs_mdb {
 	uint8_t		signature[2];
@@ -58,7 +58,7 @@ struct hfs_mdb {
 	uint8_t		embed_sig[2];
 	uint16_t	embed_startblock;
 	uint16_t	embed_blockcount;
-} __attribute__((__packed__));
+} PACKED;
 
 struct hfsplus_bnode_descriptor {
 	uint32_t	next;
@@ -67,7 +67,7 @@ struct hfsplus_bnode_descriptor {
 	uint8_t		height;
 	uint16_t	num_recs;
 	uint16_t	reserved;
-} __attribute__((__packed__));
+} PACKED;
 
 struct hfsplus_bheader_record {
 	uint16_t	depth;
@@ -76,19 +76,19 @@ struct hfsplus_bheader_record {
 	uint32_t	leaf_head;
 	uint32_t	leaf_tail;
 	uint16_t	node_size;
-} __attribute__((__packed__));
+} PACKED;
 
 struct hfsplus_catalog_key {
 	uint16_t	key_len;
 	uint32_t	parent_id;
 	uint16_t	unicode_len;
 	uint8_t		unicode[255 * 2];
-} __attribute__((__packed__));
+} PACKED;
 
 struct hfsplus_extent {
 	uint32_t	start_block;
 	uint32_t	block_count;
-} __attribute__((__packed__));
+} PACKED;
 
 #define HFSPLUS_EXTENT_COUNT		8
 struct hfsplus_fork {
@@ -96,7 +96,7 @@ struct hfsplus_fork {
 	uint32_t	clump_size;
 	uint32_t	total_blocks;
 	struct hfsplus_extent extents[HFSPLUS_EXTENT_COUNT];
-} __attribute__((__packed__));
+} PACKED;
 
 struct hfsplus_vol_header {
 	uint8_t		signature[2];
@@ -125,7 +125,7 @@ struct hfsplus_vol_header {
 	struct hfsplus_fork cat_file;
 	struct hfsplus_fork attr_file;
 	struct hfsplus_fork start_file;
-} __attribute__((__packed__));
+} PACKED;
 
 #define HFS_SUPERBLOCK_OFFSET		0x400
 #define HFS_NODE_LEAF			0xff

util-linux/volume_id/iso9660.c

@@ -38,14 +38,14 @@ struct iso_volume_descriptor {
 	uint8_t		unused[8];
 	uint8_t		space_size[8];
 	uint8_t		escape_sequences[8];
-} __attribute__((__packed__));
+} PACKED;
 
 struct high_sierra_volume_descriptor {
 	uint8_t		foo[8];
 	uint8_t		type;
 	uint8_t		id[4];
 	uint8_t		version;
-} __attribute__((__packed__));
+} PACKED;
 
 int volume_id_probe_iso9660(struct volume_id *id /*,uint64_t off*/)
 {

util-linux/volume_id/jfs.c

@@ -31,7 +31,7 @@ struct jfs_super_block {
 	uint8_t		uuid[16];
 	uint8_t		label[16];
 	uint8_t		loguuid[16];
-} __attribute__((__packed__));
+} PACKED;
 
 #define JFS_SUPERBLOCK_OFFSET			0x8000
 

util-linux/volume_id/linux_raid.c

@@ -37,7 +37,7 @@ struct mdp_super_block {
 	uint32_t	set_uuid1;
 	uint32_t	set_uuid2;
 	uint32_t	set_uuid3;
-} __attribute__((packed));
+} PACKED;
 
 #define MD_RESERVED_BYTES		0x10000
 #define MD_MAGIC			0xa92b4efc

util-linux/volume_id/linux_swap.c

@@ -27,7 +27,7 @@ struct swap_header_v1_2 {
 	uint32_t	nr_badpages;
 	uint8_t		uuid[16];
 	uint8_t		volume_name[16];
-} __attribute__((__packed__));
+} PACKED;
 
 #define LARGEST_PAGESIZE			0x4000
 

util-linux/volume_id/ntfs.c

@@ -45,7 +45,7 @@ struct ntfs_super_block {
 	uint8_t		reserved2[3];
 	uint8_t		volume_serial[8];
 	uint16_t	checksum;
-} __attribute__((__packed__));
+} PACKED;
 
 struct master_file_table_record {
 	uint8_t		magic[4];
@@ -58,7 +58,7 @@ struct master_file_table_record {
 	uint16_t	flags;
 	uint32_t	bytes_in_use;
 	uint32_t	bytes_allocated;
-} __attribute__((__packed__));
+} PACKED;
 
 struct file_attribute {
 	uint32_t	type;
@@ -70,13 +70,13 @@ struct file_attribute {
 	uint16_t	instance;
 	uint32_t	value_len;
 	uint16_t	value_offset;
-} __attribute__((__packed__));
+} PACKED;
 
 struct volume_info {
 	uint64_t	reserved;
 	uint8_t		major_ver;
 	uint8_t		minor_ver;
-} __attribute__((__packed__));
+} PACKED;
 
 #define MFT_RECORD_VOLUME			3
 #define MFT_RECORD_ATTR_VOLUME_NAME		0x60

util-linux/volume_id/ocfs2.c

@@ -78,7 +78,7 @@ struct ocfs2_super_block {
 	uint64_t	s_first_cluster_group;		/* Block offset of 1st cluster group header */
 	uint8_t		s_label[OCFS2_MAX_VOL_LABEL_LEN];	/* Label for mounting, etc. */
 	uint8_t		s_uuid[OCFS2_VOL_UUID_LEN];	/* 128-bit uuid */
-} __attribute__((__packed__));
+} PACKED;
 
 int volume_id_probe_ocfs2(struct volume_id *id /*,uint64_t off*/)
 {

util-linux/volume_id/reiserfs.c

@@ -35,7 +35,7 @@ struct reiserfs_super_block {
 	uint32_t	dummy4[5];
 	uint8_t		uuid[16];
 	uint8_t		label[16];
-} __attribute__((__packed__));
+} PACKED;
 
 struct reiser4_super_block {
 	uint8_t		magic[16];
@@ -43,7 +43,7 @@ struct reiser4_super_block {
 	uint8_t		uuid[16];
 	uint8_t		label[16];
 	uint64_t	dummy2;
-} __attribute__((__packed__));
+} PACKED;
 
 #define REISERFS1_SUPERBLOCK_OFFSET		0x2000
 #define REISERFS_SUPERBLOCK_OFFSET		0x10000

util-linux/volume_id/romfs.c

@@ -25,7 +25,7 @@ struct romfs_super {
 	uint32_t size;
 	uint32_t checksum;
 	uint8_t name[0];
-} __attribute__((__packed__));
+} PACKED;
 
 int volume_id_probe_romfs(struct volume_id *id /*,uint64_t off*/)
 {

util-linux/volume_id/sysv.c

@@ -48,7 +48,7 @@ struct sysv_super {
 	uint32_t	s_state;
 	uint32_t	s_magic;
 	uint32_t	s_type;
-} __attribute__((__packed__));
+} PACKED;
 
 #define XENIX_NICINOD				100
 #define XENIX_NICFREE				100
@@ -74,7 +74,7 @@ struct xenix_super {
 	uint8_t		s_fill[371];
 	uint32_t	s_magic;
 	uint32_t	s_type;
-} __attribute__((__packed__));
+} PACKED;
 
 #define SYSV_SUPERBLOCK_BLOCK			0x01
 #define SYSV_MAGIC				0xfd187e20

util-linux/volume_id/udf.c

@@ -30,28 +30,28 @@ struct volume_descriptor {
 		uint16_t	crc;
 		uint16_t	crc_len;
 		uint32_t	location;
-	} __attribute__((__packed__)) tag;
+	} PACKED tag;
 	union {
 		struct anchor_descriptor {
 			uint32_t	length;
 			uint32_t	location;
-		} __attribute__((__packed__)) anchor;
+		} PACKED anchor;
 		struct primary_descriptor {
 			uint32_t	seq_num;
 			uint32_t	desc_num;
 			struct dstring {
 				uint8_t	clen;
 				uint8_t	c[31];
-			} __attribute__((__packed__)) ident;
-		} __attribute__((__packed__)) primary;
-	} __attribute__((__packed__)) type;
-} __attribute__((__packed__));
+			} PACKED ident;
+		} PACKED primary;
+	} PACKED type;
+} PACKED;
 
 struct volume_structure_descriptor {
 	uint8_t		type;
 	uint8_t		id[5];
 	uint8_t		version;
-} __attribute__((__packed__));
+} PACKED;
 
 #define UDF_VSD_OFFSET			0x8000
 

util-linux/volume_id/unused_highpoint.c

@@ -23,11 +23,11 @@
 struct hpt37x_meta {
 	uint8_t		filler1[32];
 	uint32_t	magic;
-} __attribute__((packed));
+} PACKED;
 
 struct hpt45x_meta {
 	uint32_t	magic;
-} __attribute__((packed));
+} PACKED;
 
 #define HPT37X_CONFIG_OFF		0x1200
 #define HPT37X_MAGIC_OK			0x5a7816f0

util-linux/volume_id/unused_hpfs.c

@@ -23,7 +23,7 @@
 struct hpfs_super {
 	uint8_t		magic[4];
 	uint8_t		version;
-} __attribute__((__packed__));
+} PACKED;
 
 #define HPFS_SUPERBLOCK_OFFSET			0x2000
 

util-linux/volume_id/unused_isw_raid.c

@@ -26,7 +26,7 @@ struct isw_meta {
 	uint32_t	mpb_size;
 	uint32_t	family_num;
 	uint32_t	generation_num;
-} __attribute__((packed));
+} PACKED;
 
 #define ISW_SIGNATURE		"Intel Raid ISM Cfg Sig. "
 

util-linux/volume_id/unused_lsi_raid.c

@@ -22,7 +22,7 @@
 
 struct lsi_meta {
 	uint8_t		sig[6];
-} __attribute__((packed));
+} PACKED;
 
 #define LSI_SIGNATURE		"$XIDE$"
 

util-linux/volume_id/unused_lvm.c

@@ -22,7 +22,7 @@
 
 struct lvm1_super_block {
 	uint8_t	id[2];
-} __attribute__((packed));
+} PACKED;
 
 struct lvm2_super_block {
 	uint8_t		id[8];
@@ -30,7 +30,7 @@ struct lvm2_super_block {
 	uint32_t	crc_xl;
 	uint32_t	offset_xl;
 	uint8_t		type[8];
-} __attribute__((packed));
+} PACKED;
 
 #define LVM1_SB_OFF			0x400
 

util-linux/volume_id/unused_mac.c

@@ -24,7 +24,7 @@ struct mac_driver_desc {
 	uint8_t		signature[2];
 	uint16_t	block_size;
 	uint32_t	block_count;
-} __attribute__((__packed__));
+} PACKED;
 
 struct mac_partition {
 	uint8_t		signature[2];
@@ -34,7 +34,7 @@ struct mac_partition {
 	uint32_t	block_count;
 	uint8_t		name[32];
 	uint8_t		type[32];
-} __attribute__((__packed__));
+} PACKED;
 
 int volume_id_probe_mac_partition_map(struct volume_id *id, uint64_t off)
 {

util-linux/volume_id/unused_minix.c

@@ -31,7 +31,7 @@ struct minix_super_block {
 	uint16_t	s_magic;
 	uint16_t	s_state;
 	uint32_t	s_zones;
-} __attribute__((__packed__));
+} PACKED;
 
 #define MINIX_SUPERBLOCK_OFFSET			0x400
 

util-linux/volume_id/unused_msdos.c

@@ -31,7 +31,7 @@ struct msdos_partition_entry {
 	uint8_t		end_cyl;
 	uint32_t	start_sect;
 	uint32_t	nr_sects;
-} __attribute__((packed));
+} PACKED;
 
 #define MSDOS_PARTTABLE_OFFSET		0x1be
 #define MSDOS_SIG_OFF			0x1fe

util-linux/volume_id/unused_nvidia_raid.c

@@ -25,7 +25,7 @@ struct nvidia_meta {
 	uint32_t	size;
 	uint32_t	chksum;
 	uint16_t	version;
-} __attribute__((packed));
+} PACKED;
 
 #define NVIDIA_SIGNATURE		"NVIDIA"
 

util-linux/volume_id/unused_promise_raid.c

@@ -22,7 +22,7 @@
 
 struct promise_meta {
 	uint8_t	sig[24];
-} __attribute__((packed));
+} PACKED;
 
 #define PDC_CONFIG_OFF		0x1200
 #define PDC_SIGNATURE		"Promise Technology, Inc."

util-linux/volume_id/unused_silicon_raid.c

@@ -37,7 +37,7 @@ struct silicon_meta {
 	uint16_t	vendor_id;
 	uint16_t	minor_ver;
 	uint16_t	major_ver;
-} __attribute__((packed));
+} PACKED;
 
 #define SILICON_MAGIC		0x2F000000
 

util-linux/volume_id/unused_ufs.c

@@ -73,7 +73,7 @@ struct ufs_super_block {
 		uint32_t	cs_nbfree;
 		uint32_t	cs_nifree;
 		uint32_t	cs_nffree;
-	} __attribute__((__packed__)) fs_cstotal;
+	} PACKED fs_cstotal;
 	int8_t		fs_fmod;
 	int8_t		fs_clean;
 	int8_t		fs_ronly;
@@ -86,7 +86,7 @@ struct ufs_super_block {
 			uint32_t	fs_maxcluster;
 			uint32_t	fs_cpc;
 			uint16_t	fs_opostbl[16][8];
-		} __attribute__((__packed__)) fs_u1;
+		} PACKED fs_u1;
 		struct {
 			int8_t		fs_fsmnt[468];
 			uint8_t		fs_volname[32];
@@ -109,17 +109,17 @@ struct ufs_super_block {
 				uint64_t	cs_nffree;
 				uint64_t	cs_numclusters;
 				uint64_t	cs_spare[3];
-			} __attribute__((__packed__)) fs_cstotal;
+			} PACKED fs_cstotal;
 			struct ufs_timeval {
 				int32_t		tv_sec;
 				int32_t		tv_usec;
-			} __attribute__((__packed__)) fs_time;
+			} PACKED fs_time;
 			int64_t		fs_size;
 			int64_t		fs_dsize;
 			uint64_t	fs_csaddr;
 			int64_t		fs_pendingblocks;
 			int32_t		fs_pendinginodes;
-		} __attribute__((__packed__)) fs_u2;
+		} PACKED fs_u2;
 	}  fs_u11;
 	union {
 		struct {
@@ -129,7 +129,7 @@ struct ufs_super_block {
 			int32_t		fs_state;
 			uint32_t	fs_qbmask[2];
 			uint32_t	fs_qfmask[2];
-		} __attribute__((__packed__)) fs_sun;
+		} PACKED fs_sun;
 		struct {
 			int32_t		fs_sparecon[53];
 			int32_t		fs_reclaim;
@@ -137,7 +137,7 @@ struct ufs_super_block {
 			uint32_t	fs_npsect;
 			uint32_t	fs_qbmask[2];
 			uint32_t	fs_qfmask[2];
-		} __attribute__((__packed__)) fs_sunx86;
+		} PACKED fs_sunx86;
 		struct {
 			int32_t		fs_sparecon[50];
 			int32_t		fs_contigsumsize;
@@ -147,7 +147,7 @@ struct ufs_super_block {
 			uint32_t	fs_qbmask[2];
 			uint32_t	fs_qfmask[2];
 			int32_t		fs_state;
-		} __attribute__((__packed__)) fs_44;
+		} PACKED fs_44;
 	} fs_u2;
 	int32_t		fs_postblformat;
 	int32_t		fs_nrpos;
@@ -155,7 +155,7 @@ struct ufs_super_block {
 	int32_t		fs_rotbloff;
 	uint32_t	fs_magic;
 	uint8_t		fs_space[1];
-} __attribute__((__packed__));
+} PACKED;
 
 #define UFS_MAGIC			0x00011954
 #define UFS2_MAGIC			0x19540119

util-linux/volume_id/unused_via_raid.c

@@ -29,10 +29,10 @@ struct via_meta {
 		uint32_t	capacity_low;
 		uint32_t	capacity_high;
 		uint32_t	serial_checksum;
-	} __attribute((packed)) array;
+	} PACKED array;
 	uint32_t	serial_checksum[8];
 	uint8_t		checksum;
-} __attribute__((packed));
+} PACKED;
 
 #define VIA_SIGNATURE		0xAA55
 

util-linux/volume_id/xfs.c

@@ -33,7 +33,7 @@ struct xfs_super_block {
 	uint64_t	icount;
 	uint64_t	ifree;
 	uint64_t	fdblocks;
-} __attribute__((__packed__));
+} PACKED;
 
 int volume_id_probe_xfs(struct volume_id *id /*,uint64_t off*/)
 {