* Copyright (c) 1995

/* $NetBSD: util.h,v 1.70 2024/11/02 03:21:42 riastradh Exp $ */

/*-
* Copyright (c) 1995
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/

#ifndef _UTIL_H_
#define _UTIL_H_

#include <sys/cdefs.h>
#include <sys/types.h>
#include <sys/ansi.h>
#include <sys/inttypes.h>
#include <sys/featuretest.h>

#ifdef _BSD_TIME_T_
typedef _BSD_TIME_T_ time_t;
#undef _BSD_TIME_T_
#endif
#ifdef _BSD_SIZE_T_
typedef _BSD_SIZE_T_ size_t;
#undef _BSD_SIZE_T_
#endif

#if defined(_POSIX_C_SOURCE)
#ifndef __VA_LIST_DECLARED
typedef __va_list va_list;
#define __VA_LIST_DECLARED
#endif
#endif

#define PIDLOCK_NONBLOCK 1
#define PIDLOCK_USEHOSTNAME 2

#define PW_POLICY_BYSTRING 0
#define PW_POLICY_BYPASSWD 1
#define PW_POLICY_BYGROUP 2

__BEGIN_DECLS
struct disklabel;
struct iovec;
struct passwd;
struct termios;
struct utmp;
struct utmpx;
struct winsize;
struct sockaddr;

char *flags_to_string(unsigned long, const char *);
pid_t forkpty(int *, char *, struct termios *, struct winsize *);
const char *getbootfile(void);
int getbyteorder(void);
off_t getlabeloffset(void);
int getlabelsector(void);
int getlabelusesmbr(void);
int getmaxpartitions(void);
int getrawpartition(void);
const char *getdiskrawname(char *, size_t, const char *);
const char *getdiskcookedname(char *, size_t, const char *);
const char *getfstypename(int);
const char *getfsspecname(char *, size_t, const char *);
struct kinfo_vmentry *kinfo_getvmmap(pid_t, size_t *);
#ifndef __LIBC12_SOURCE__
void login(const struct utmp *) __RENAME(__login50);
void loginx(const struct utmpx *) __RENAME(__loginx50);
#endif
int login_tty(int);
int logout(const char *);
int logoutx(const char *, int, int);
void logwtmp(const char *, const char *, const char *);
void logwtmpx(const char *, const char *, const char *, int, int);
int opendisk(const char *, int, char *, size_t, int);
int opendisk1(const char *, int, char *, size_t, int,
int (*)(const char *, int, ...));
int openpty(int *, int *, char *, struct termios *,
struct winsize *);
#ifndef __LIBC12_SOURCE__
time_t parsedate(const char *, const time_t *, const int *)
__RENAME(__parsedate50);
#endif
int pidfile(const char *);
pid_t pidfile_lock(const char *);
pid_t pidfile_read(const char *);
int pidfile_clean(void);
int pidlock(const char *, int, pid_t *, const char *);
int pw_abort(void);
#ifndef __LIBC12_SOURCE__
void pw_copy(int, int, struct passwd *, struct passwd *)
__RENAME(__pw_copy50);
int pw_copyx(int, int, struct passwd *, struct passwd *,
char *, size_t) __RENAME(__pw_copyx50);
#endif
void pw_edit(int, const char *);
__dead void pw_error(const char *, int, int);
void pw_getconf(char *, size_t, const char *, const char *);
#ifndef __LIBC12_SOURCE__
void pw_getpwconf(char *, size_t, const struct passwd *,
const char *) __RENAME(__pw_getpwconf50);
#endif
const char *pw_getprefix(void);
void pw_init(void);
int pw_lock(int);
int pw_mkdb(const char *, int);
void pw_prompt(void);
int pw_setprefix(const char *);
int raise_default_signal(int);
int secure_path(const char *);
int snprintb_m(char *, size_t, const char *, uint64_t, size_t);
int snprintb(char *, size_t, const char *, uint64_t);
int sockaddr_snprintf(char *, size_t, const char *,
const struct sockaddr *);
char *strpct(char *, size_t, uintmax_t, uintmax_t, size_t);
char *strspct(char *, size_t, intmax_t, intmax_t, size_t);
int string_to_flags(char **, unsigned long *, unsigned long *);
int ttyaction(const char *, const char *, const char *);
int ttylock(const char *, int, pid_t *);
char *ttymsg(struct iovec *, int, const char *, int);
int ttyunlock(const char *);

uint16_t disklabel_dkcksum(struct disklabel *);
int disklabel_scan(struct disklabel *, char *, size_t);

/* Error checked functions */
void (*esetfunc(void (*)(int, const char *, ...)))
(int, const char *, ...);
size_t estrlcpy(char *, const char *, size_t);
size_t estrlcat(char *, const char *, size_t);
char *estrdup(const char *);
char *estrndup(const char *, size_t);
intmax_t estrtoi(const char *, int, intmax_t, intmax_t);
uintmax_t estrtou(const char *, int, uintmax_t, uintmax_t);
void *ecalloc(size_t, size_t);
void *emalloc(size_t);
void *erealloc(void *, size_t);
void ereallocarr(void *, size_t, size_t);
struct __sFILE *efopen(const char *, const char *);
int easprintf(char ** __restrict, const char * __restrict, ...)
__printflike(2, 3);
int evasprintf(char ** __restrict, const char * __restrict,
__va_list) __printflike(2, 0);
__END_DECLS

#endif /* !_UTIL_H_ */