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freebsd-dev/lib/libutil/libutil.h
Dag-Erling Smørgrav bbb2703b4f Simplify expand_number() by combining the (unrolled) loop with the 
switch.  Since expand_number() does not accept negative numbers, switch
from int64_t to uint64_t; this makes it easier to check for overflow.

MFC after:	3 weeks
2010-08-14 14:34:36 +00:00

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/*
* Copyright (c) 1996 Peter Wemm <peter@FreeBSD.org>.
* All rights reserved.
* Copyright (c) 2002 Networks Associates Technology, Inc.
* All rights reserved.
*
* Portions of this software were developed for the FreeBSD Project by
* ThinkSec AS and NAI Labs, the Security Research Division of Network
* Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035
* ("CBOSS"), as part of the DARPA CHATS research program.
*
* Redistribution and use in source and binary forms, with or without
* modification, is 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. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
*
* $FreeBSD$
*/
#ifndef _LIBUTIL_H_
#define _LIBUTIL_H_
#include <sys/cdefs.h>
#include <sys/_types.h>
#ifndef _GID_T_DECLARED
typedef __gid_t gid_t;
#define _GID_T_DECLARED
#endif
#ifndef _INT64_T_DECLARED
typedef __int64_t int64_t;
#define _INT64_T_DECLARED
#endif
#ifndef _PID_T_DECLARED
typedef __pid_t pid_t;
#define _PID_T_DECLARED
#endif
#ifndef _SIZE_T_DECLARED
typedef __size_t size_t;
#define _SIZE_T_DECLARED
#endif
#ifndef _UID_T_DECLARED
typedef __uid_t uid_t;
#define _UID_T_DECLARED
#endif
#define PROPERTY_MAX_NAME 64
#define PROPERTY_MAX_VALUE 512
/* for properties.c */
typedef struct _property {
struct _property *next;
char *name;
char *value;
} *properties;
#ifdef _SYS_PARAM_H_
/* for pidfile.c */
struct pidfh {
int pf_fd;
char pf_path[MAXPATHLEN + 1];
__dev_t pf_dev;
ino_t pf_ino;
};
#endif
/* Avoid pulling in all the include files for no need */
struct termios;
struct winsize;
struct in_addr;
struct kinfo_file;
struct kinfo_vmentry;
__BEGIN_DECLS
void clean_environment(const char * const *_white,
const char * const *_more_white);
int extattr_namespace_to_string(int _attrnamespace, char **_string);
int extattr_string_to_namespace(const char *_string, int *_attrnamespace);
int flopen(const char *_path, int _flags, ...);
void hexdump(const void *ptr, int length, const char *hdr, int flags);
int login_tty(int _fd);
void trimdomain(char *_fullhost, int _hostsize);
int openpty(int *_amaster, int *_aslave, char *_name,
struct termios *_termp, struct winsize *_winp);
int forkpty(int *_amaster, char *_name,
struct termios *_termp, struct winsize *_winp);
int humanize_number(char *_buf, size_t _len, int64_t _number,
const char *_suffix, int _scale, int _flags);
int expand_number(const char *_buf, uint64_t *_num);
const char *uu_lockerr(int _uu_lockresult);
int uu_lock(const char *_ttyname);
int uu_unlock(const char *_ttyname);
int uu_lock_txfr(const char *_ttyname, pid_t _pid);
int _secure_path(const char *_path, uid_t _uid, gid_t _gid);
properties properties_read(int fd);
void properties_free(properties list);
char *property_find(properties list, const char *name);
char *auth_getval(const char *name);
int realhostname(char *host, size_t hsize, const struct in_addr *ip);
struct sockaddr;
int realhostname_sa(char *host, size_t hsize, struct sockaddr *addr,
int addrlen);
int kld_isloaded(const char *name);
int kld_load(const char *name);
struct kinfo_file *
kinfo_getfile(pid_t _pid, int *_cntp);
struct kinfo_vmentry *
kinfo_getvmmap(pid_t _pid, int *_cntp);
#ifdef _STDIO_H_ /* avoid adding new includes */
char *fparseln(FILE *, size_t *, size_t *, const char[3], int);
#endif
#ifdef _PWD_H_
int pw_copy(int _ffd, int _tfd, const struct passwd *_pw, struct passwd *_old_pw);
struct passwd *pw_dup(const struct passwd *_pw);
int pw_edit(int _notsetuid);
int pw_equal(const struct passwd *_pw1, const struct passwd *_pw2);
void pw_fini(void);
int pw_init(const char *_dir, const char *_master);
char *pw_make(const struct passwd *_pw);
int pw_mkdb(const char *_user);
int pw_lock(void);
struct passwd *pw_scan(const char *_line, int _flags);
const char *pw_tempname(void);
int pw_tmp(int _mfd);
#endif
#ifdef _GRP_H_
int gr_equal(const struct group *gr1, const struct group *gr2);
char *gr_make(const struct group *gr);
struct group *gr_dup(const struct group *gr);
struct group *gr_scan(const char *line);
#endif
#ifdef _SYS_PARAM_H_
struct pidfh *pidfile_open(const char *path, mode_t mode, pid_t *pidptr);
int pidfile_write(struct pidfh *pfh);
int pidfile_close(struct pidfh *pfh);
int pidfile_remove(struct pidfh *pfh);
#endif
#ifdef _UFS_UFS_QUOTA_H_
struct quotafile;
struct fstab;
struct quotafile *quota_open(struct fstab *, int, int);
void quota_close(struct quotafile *);
int quota_on(struct quotafile *);
int quota_off(struct quotafile *);
const char *quota_fsname(const struct quotafile *);
const char *quota_qfname(const struct quotafile *);
int quota_maxid(struct quotafile *);
int quota_check_path(const struct quotafile *, const char *path);
int quota_read(struct quotafile *, struct dqblk *, int);
int quota_write_limits(struct quotafile *, struct dqblk *, int);
int quota_write_usage(struct quotafile *, struct dqblk *, int);
int quota_convert(struct quotafile *, int);
#endif
__END_DECLS
#define UU_LOCK_INUSE (1)
#define UU_LOCK_OK (0)
#define UU_LOCK_OPEN_ERR (-1)
#define UU_LOCK_READ_ERR (-2)
#define UU_LOCK_CREAT_ERR (-3)
#define UU_LOCK_WRITE_ERR (-4)
#define UU_LOCK_LINK_ERR (-5)
#define UU_LOCK_TRY_ERR (-6)
#define UU_LOCK_OWNER_ERR (-7)
/* return values from realhostname() */
#define HOSTNAME_FOUND (0)
#define HOSTNAME_INCORRECTNAME (1)
#define HOSTNAME_INVALIDADDR (2)
#define HOSTNAME_INVALIDNAME (3)
/* fparseln(3) */
#define FPARSELN_UNESCESC 0x01
#define FPARSELN_UNESCCONT 0x02
#define FPARSELN_UNESCCOMM 0x04
#define FPARSELN_UNESCREST 0x08
#define FPARSELN_UNESCALL 0x0f
/* pw_scan() */
#define PWSCAN_MASTER 0x01
#define PWSCAN_WARN 0x02
/* humanize_number(3) */
#define HN_DECIMAL 0x01
#define HN_NOSPACE 0x02
#define HN_B 0x04
#define HN_DIVISOR_1000 0x08
#define HN_GETSCALE 0x10
#define HN_AUTOSCALE 0x20
/* hexdump(3) */
#define HD_COLUMN_MASK 0xff
#define HD_DELIM_MASK 0xff00
#define HD_OMIT_COUNT (1 << 16)
#define HD_OMIT_HEX (1 << 17)
#define HD_OMIT_CHARS (1 << 18)
#endif /* !_LIBUTIL_H_ */
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