xref: /aosp_15_r20/external/e2fsprogs/lib/e2p/e2p.h (revision 6a54128f25917bfc36a8a6e9d722c04a0b4641b6)

/*
 * e2p.h --- header file for the e2p library
 *
 * %Begin-Header%
 * This file may be redistributed under the terms of the GNU Library
 * General Public License, version 2.
 * %End-Header%
 */

#include <sys/types.h>		/* Needed by dirent.h on netbsd */
#include <stdio.h>
#include <dirent.h>

#include <ext2fs/ext2_fs.h>

#define E2P_FEATURE_COMPAT	0
#define E2P_FEATURE_INCOMPAT	1
#define E2P_FEATURE_RO_INCOMPAT	2
#define E2P_FEATURE_TYPE_MASK	0x03

#define E2P_FEATURE_NEGATE_FLAG	0x80

#define E2P_FS_FEATURE		0
#define E2P_JOURNAL_FEATURE	1

/* `options' for print_flags() */

#define PFOPT_LONG  1 /* Must be 1 for compatibility with `int long_format'. */


int fgetflags (const char * name, unsigned long * flags);
int fgetversion (const char * name, unsigned long * version);
int fsetflags (const char * name, unsigned long flags);
int fsetversion (const char * name, unsigned long version);
int fgetproject(const char *name, unsigned long *project);
int fsetproject(const char *name, unsigned long project);
int getflags (int fd, unsigned long * flags);
int getversion (int fd, unsigned long * version);
int iterate_on_dir (const char * dir_name,
		    int (*func) (const char *, struct dirent *, void *),
		    void * private_arg);
void list_super(struct ext2_super_block * s);
void list_super2(struct ext2_super_block * s, FILE *f);
void print_fs_errors (FILE * f, unsigned short errors);
void print_flags (FILE * f, unsigned long flags, unsigned options);
void print_fs_state (FILE * f, unsigned short state);
int setflags (int fd, unsigned long flags);
int setversion (int fd, unsigned long version);

#define E2P_LIST_JOURNAL_FLAG_FC		0x1
void e2p_list_journal_super(FILE *f, char *journal_sb_buf,
			    int exp_block_size, int flags);

void e2p_feature_to_string(int compat, unsigned int mask, char *buf,
                           size_t buf_len);
const char *e2p_feature2string(int compat, unsigned int mask);
const char *e2p_jrnl_feature2string(int compat, unsigned int mask);
int e2p_string2feature(char *string, int *compat, unsigned int *mask);
int e2p_jrnl_string2feature(char *string, int *compat_type, unsigned int *mask);
int e2p_edit_feature(const char *str, __u32 *compat_array, __u32 *ok_array);
int e2p_edit_feature2(const char *str, __u32 *compat_array, __u32 *ok_array,
		      __u32 *clear_ok_array, int *type_err,
		      unsigned int *mask_err);

int e2p_is_null_uuid(void *uu);
void e2p_uuid_to_str(void *uu, char *out);
const char *e2p_uuid2str(void *uu);

const char *e2p_hash2string(int num);
int e2p_string2hash(char *string);

const char *e2p_mntopt2string(unsigned int mask);
int e2p_string2mntopt(char *string, unsigned int *mask);
int e2p_edit_mntopts(const char *str, __u32 *mntopts, __u32 ok);

unsigned long parse_num_blocks(const char *arg, int log_block_size);
unsigned long long parse_num_blocks2(const char *arg, int log_block_size);

char *e2p_os2string(int os_type);
int e2p_string2os(char *str);

unsigned int e2p_percent(int percent, unsigned int base);

const char *e2p_encmode2string(int num);
int e2p_string2encmode(char *string);

int e2p_str2encoding(const char *string);
const char *e2p_encoding2str(int encoding);
int e2p_get_encoding_flags(int encoding);
int e2p_str2encoding_flags(int encoding, char *param, __u16 *flags);

const char *e2p_errcode2str(unsigned int err);