busybox/e2fsprogs/e2fs_lib.c

/* vi: set sw=4 ts=4: */
/*
 * See README for additional information
 *
 * Licensed under GPLv2, see file LICENSE in this source tree.
 */

#include "libbb.h"
#include "e2fs_lib.h"

/* Print file attributes on an ext2 file system */
const uint32_t e2attr_flags_value[] ALIGN4 = {
#ifdef ENABLE_COMPRESSION
	EXT2_COMPRBLK_FL,
	EXT2_DIRTY_FL,
	EXT2_NOCOMPR_FL,
#endif
	EXT2_SECRM_FL,
	EXT2_UNRM_FL,
	EXT2_SYNC_FL,
	EXT2_DIRSYNC_FL,
	EXT2_IMMUTABLE_FL,
	EXT2_APPEND_FL,
	EXT2_NODUMP_FL,
	EXT2_NOATIME_FL,
	EXT2_COMPR_FL,
	EXT2_ECOMPR_FL,
	EXT3_JOURNAL_DATA_FL,
	EXT2_INDEX_FL,
	EXT2_NOTAIL_FL,
	EXT2_TOPDIR_FL,
	EXT2_EXTENT_FL,
	EXT2_NOCOW_FL,
	EXT2_CASEFOLD_FL,
	EXT2_INLINE_DATA_FL,
	EXT2_PROJINHERIT_FL,
	EXT2_VERITY_FL,
};

const char e2attr_flags_sname[] ALIGN1 =
#ifdef ENABLE_COMPRESSION
	"BZX"
#endif
	"suSDiadAcEjItTeCFNPV";

static const char e2attr_flags_lname[] ALIGN1 =
#ifdef ENABLE_COMPRESSION
	"Compressed_File" "\0"
	"Compressed_Dirty_File" "\0"
	"Compression_Raw_Access" "\0"
#endif
	"Secure_Deletion" "\0"
	"Undelete" "\0"
	"Synchronous_Updates" "\0"
	"Synchronous_Directory_Updates" "\0"
	"Immutable" "\0"
	"Append_Only" "\0"
	"No_Dump" "\0"
	"No_Atime" "\0"
	"Compression_Requested" "\0"
	"Encrypted" "\0"
	"Journaled_Data" "\0"
	"Indexed_directory" "\0"
	"No_Tailmerging" "\0"
	"Top_of_Directory_Hierarchies" "\0"
	"Extents" "\0"
	"No_COW" "\0"
	"Casefold" "\0"
	"Inline_Data" "\0"
	"Project_Hierarchy" "\0"
	"Verity" "\0"
	/* Another trailing NUL is added by compiler */;

void print_e2flags_long(unsigned flags)
{
	const uint32_t *fv;
	const char *fn;
	int first = 1;

	fv = e2attr_flags_value;
	fn = e2attr_flags_lname;
	do {
		if (flags & *fv) {
			if (!first)
				fputs(", ", stdout);
			fputs(fn, stdout);
			first = 0;
		}
		fv++;
		fn += strlen(fn) + 1;
	} while (*fn);
	if (first)
		fputs("---", stdout);
}

void print_e2flags(unsigned flags)
{
	const uint32_t *fv;
	const char *fn;

	fv = e2attr_flags_value;
	fn = e2attr_flags_sname;
	do  {
		char c = '-';
		if (flags & *fv)
			c = *fn;
		putchar(c);
		fv++;
		fn++;
	} while (*fn);
}