lib - zygaena/hammerhead

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#
# CDDL HEADER START
#
# The contents of this file are subject to the terms of the
# Common Development and Distribution License, Version 1.0 only
# (the "License").  You may not use this file except in compliance
# with the License.
#
# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
# or http://www.opensolaris.org/os/licensing.
# See the License for the specific language governing permissions
# and limitations under the License.
#
# When distributing Covered Code, include this CDDL HEADER in each
# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
# If applicable, add the following below this CDDL HEADER, with the
# fields enclosed by brackets "[]" replaced with your own identifying
# information: Portions Copyright [yyyy] [name of copyright owner]
#
# CDDL HEADER END
#
# Copyright (c) 1989 by Sun Microsystems, Inc.
# Copyright (c) 2018, Joyent, Inc.
#
LIBS=	a.a

OBJS=	pnpsplit.o devtolin.o expand.o lintodev.o \
	namtouid.o tmless.o tmsecs.o uidtonam.o substr.o
SRCS=	$(OBJS:%.o=%.c)

include	../../Makefile.cmd

CPPFLAGS = -D_LTYPES -I.. $(CPPFLAGS.master)
CERRWARN += -Wno-implicit-function-declaration
CERRWARN += -Wno-parentheses
CERRWARN += -Wno-extra

# not linted
SMATCH=off

.KEEP_STATE:

.PARALLEL: $(OBJS)

all: $(LIBS)

$(LIBS): $(OBJS)
	$(AR) $(ARFLAGS) $@ $(OBJS)

clean:
	$(RM) $(OBJS)

clobber: clean
	$(RM) $(LIBS)

lint:
	$(LINT.c) $(SRCS)

install:

.PRECIOUS: $(LIBS)
/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
/*	  All Rights Reserved  	*/

/*
 * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

/*
 *	convert device to linename (as in /dev/linename)
 *	return ptr to LSZ-byte string, "?" if not found
 *	device must be character device
 *	maintains small list in tlist structure for speed
 */

#include <stdio.h>
#include <sys/types.h>
#include <sys/param.h>
#include "acctdef.h"
#include <dirent.h>
#include <string.h>
#include <sys/stat.h>

static int tsize1;
static struct tlist {
	char	tname[LSZ];	/* linename */
	dev_t	tdev;		/* device */
} tl[TSIZE1];

char	*strncpy();
dev_t	lintodev();

static char dev_dir[] = "/dev";
static char *def_srch_dirs[] = {
	"/dev/term",
	"/dev/pts",
	"/dev/xt",
	NULL
};
char file_name[MAX_DEV_PATH];	/* name being returned */

static int srch_dir();

char *
devtolin(dev_t device)
{
	struct tlist *tp;
	char **srch_dirs;	/* priority directories to search first */
	int found = 0;
	int dirno = 0;

	for (tp = tl; tp < &tl[tsize1]; tp++)
		if (device == tp->tdev)
			return (tp->tname);

	srch_dirs = def_srch_dirs;

	while ((!found) && (srch_dirs[dirno] != NULL)) {
		/*
		 * if /dev is one of the priority directories we should only
		 * search its top level for now (set depth = MAX_SEARCH_DEPTH)
		 */

		found = srch_dir(device, srch_dirs[dirno],
		    ((strcmp(srch_dirs[dirno], dev_dir) == 0) ?
		    MAX_SRCH_DEPTH : 1), NULL);
		dirno++;
	}

	/*
	 * if not yet found search remaining /dev directory skipping the
	 * priority directories
	 */

	if (!found)
		found = srch_dir(device, dev_dir, 0, srch_dirs);

	/*
	 * if found then put it (without the "/dev/" prefix) in the tlist
	 * structure and return the path name without the "/dev/" prefix
	 */

	if (found) {
		if (tsize1 < TSIZE1) {
			tp->tdev = device;
			CPYN(tp->tname, file_name+5);
			tsize1++;
		}
		return (file_name+5);
	} else {
		/*
		 * if not found put "?" in the tlist structure for that device
		 * and return "?"
		 */

		if (tsize1 < TSIZE1) {
			tp->tdev = device;
			CPYN(tp->tname, "?");
			tsize1++;
		}
	}
	return ("?");
}

/*
 * Arguments:
 *	device		device we are looking for
 *	path		current path
 *	depth		current depth
 *	skip_dirs	directories that don't need searched
 */
static int
srch_dir(dev_t device, char *path, int depth, char *skip_dirs[])
{
	DIR *fdev;
	struct dirent *d;
	int dirno = 0;
	int found = 0;
	int path_len;
	char *last_comp;
	struct stat sb;

	/* do we need to search this directory? */

	if ((skip_dirs != NULL) && (depth != 0))
		while (skip_dirs[dirno] != NULL)
			if (strcmp(skip_dirs[dirno++], path) == 0)
				return (0);


	/* open the directory */

	if ((fdev = opendir(path)) == NULL)
		return (0);

	/* initialize file name using path name */

	path_len = strlen(path);
	strcpy(file_name, path);
	last_comp = file_name + path_len;
	*last_comp++ = '/';

	/* start searching this directory */

	while ((!found) && ((d = readdir(fdev)) != NULL)) {
		if (d->d_ino != 0) {

			/*
			 * if name would not be too long append it to
			 * directory name, otherwise skip this entry
			 */

			if ((int)(path_len + strlen(d->d_name) + 2) >
			    MAX_DEV_PATH)
				continue;
			else
				strcpy(last_comp, d->d_name);

			/*
			 * if this directory entry has the device number we
			 * need, then the name is found. Otherwise if it's a
			 * directory (not . or ..) and we haven't gone too
			 * deep, recurse.
			 */

			if (lintodev(file_name+5) == device) {
				found = 1;
				break;
			} else if ((depth < MAX_SRCH_DEPTH) &&
			    (strcmp(d->d_name, ".") != 0) &&
			    (strcmp(d->d_name, "..") != 0) &&
			    (stat(file_name, &sb) != -1) &&
			    ((sb.st_mode & S_IFMT) == S_IFDIR)) {
				found = srch_dir(device, file_name, depth+1,
				    skip_dirs);
			}
		}
	}
	closedir(fdev);
	return (found);
}
/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

/*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
/*	  All Rights Reserved  	*/

#include <sys/types.h>
#include <sys/param.h>
#include <sys/acct.h>

#ifdef uts
float
#else
/*
 * For as long as ct is of type comp_t, and comp_t is defined to be of type
 * unsigned short, the maximum value of ct will be 2^16-1 ie 65535. Based on
 * this input value, the maximum value that expand() can return will therefore
 * be 4292870144. A return type of ulong_t ensures we don't overflow.
 */
ulong_t
#endif
expand(comp_t ct)
{
	int e;
#ifdef uts
	float f;
#else
	ulong_t f;
#endif
	e = (ct >> 13) & 07;
	f = ct & 017777;

	while (e-- > 0)
#ifdef uts
		f *= 8.0;		/* can't shift a float */
#else
		f <<=3;
#endif

	return f;
}
/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
/*	  All Rights Reserved  	*/


#ident	"%Z%%M%	%I%	%E% SMI"	/* SVr4.0 1.9	*/
/*
 *	convert linename to device
 *	return -1 if nonexistent or not character device
 */
#include <stdio.h>
#include <sys/types.h>
#include <sys/param.h>
#include <sys/stat.h>
#include "acctdef.h"
static	char	devtty[5+LSZ+1]	= "/dev/xxxxxxxx";
char	*strncpy();

dev_t
lintodev(linename)
char linename[LSZ];
{
	struct stat sb;
	strncpy(&devtty[5], linename, LSZ);
	if (stat(devtty, &sb) != -1 && (sb.st_mode&S_IFMT) == S_IFCHR)
		return((dev_t)sb.st_rdev);
	return((dev_t)NODEV);
}
/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
/*	  All Rights Reserved  	*/

/*
 * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

/*
 *	namtouid converts login names to uids
 *	maintains ulist for speed only
 */
#include <stdio.h>
#include <sys/types.h>
#include "acctdef.h"
#include <pwd.h>
static int	usize;
static struct ulist {
	char	uname[NSZ];
	uid_t	uuid;
} ul[A_USIZE];
char	ntmp[NSZ+1];

char	*strncpy();

uid_t
namtouid(name)
char	name[NSZ];
{
	register struct ulist *up;
	register uid_t tuid;
	struct passwd *getpwnam(), *pp;

	for (up = ul; up < &ul[usize]; up++)
		if (strncmp(name, up->uname, NSZ) == 0)
			return(up->uuid);
	strncpy(ntmp, name, NSZ);
	(void) setpwent();
	if ((pp = getpwnam(ntmp)) == NULL)
		tuid = -1;
	else {
		tuid = pp->pw_uid;
		if (usize < A_USIZE) {
			CPYN(up->uname, name);
			up->uuid = tuid;
			usize++;
		}
	}
	return(tuid);
}
/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (the "License").
 * You may not use this file except in compliance with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

/*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
/*	  All Rights Reserved	*/


/*
 * pnpsplit splits interval into prime & nonprime portions
 * ONLY ROUTINE THAT KNOWS ABOUT HOLIDAYS AND DEFN OF PRIME/NONPRIME
 */

#include <stdio.h>
#include <sys/types.h>
#include <sys/param.h>
#include "acctdef.h"
#include <time.h>
#include <ctype.h>

/*
 * validate that hours and minutes of prime/non-prime read in
 * from holidays file fall within proper boundaries.
 * Time is expected in the form and range of 0000-2400.
 */

static int	thisyear = 1970;	/* this is changed by holidays file */
static int	holidays[NHOLIDAYS];	/* holidays file day-of-year table */


static int day_tab[2][13] = {
	{0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31},
	{0, 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31}
};

/*
 *	prime(0) and nonprime(1) times during a day
 *	for BTL, prime time is 9AM to 5PM
 */
static struct hours {
	int	h_sec;		/* normally always zero */
	int	h_min;		/* initialized from holidays file (time%100) */
	int	h_hour;		/* initialized from holidays file (time/100) */
	long	h_type;		/* prime/nonprime of previous period */
} h[4];

/* the sec, min, hr of the day's end */
struct tm daysend = {
	.tm_sec = 0,
	.tm_min = 60,
	.tm_hour = 23
};

long tmsecs(struct tm *, struct tm *);

/*
 * split interval of length etime, starting at start into prime/nonprime
 * values, return as result
 * input values in seconds
 */
int
pnpsplit(long start, ulong_t etime, long result[2])
{
	struct tm cur, end, hours;
	time_t tcur, tend;
	long tmp;
	int sameday;
	struct hours *hp;

	/* once holidays file is read, this is zero */
	if(thisyear && (checkhol() == 0)) {
		return(0);
	}
	tcur = start;
	tend = start + etime;
	memcpy(&end, localtime(&tend), sizeof(end));
	result[PRIME] = 0;
	result[NONPRIME] = 0;

	while ( tcur < tend ) {	/* one iteration per day or part thereof */
		memcpy(&cur, localtime(&tcur), sizeof(cur));
		sameday = cur.tm_yday == end.tm_yday;
		if (ssh(&cur)) {	/* ssh:only NONPRIME */
			if (sameday) {
				result[NONPRIME] += tend-tcur;

				break;
			} else {
				tmp = tmsecs(&cur, &daysend);
				result[NONPRIME] += tmp;
				tcur += tmp;
			}
		} else {	/* working day, PRIME or NONPRIME */
			for (hp = h; tmless(hp, &cur); hp++);
			for (; hp->h_sec >= 0; hp++) {
				if (sameday && tmless(&end, hp)) {
			/* WHCC mod, change from = to +=   3/6/86   Paul */
					result[hp->h_type] += tend-tcur;
					tcur = tend;
					break;	/* all done */
				} else {	/* time to next PRIME /NONPRIME change */
					hours.tm_sec = hp->h_sec;
					hours.tm_min = hp->h_min;
					hours.tm_hour = hp->h_hour;
					tmp = tmsecs(&cur, &hours);
					result[hp->h_type] += tmp;
					tcur += tmp;
					cur.tm_sec = hp->h_sec;
					cur.tm_min = hp->h_min;
					cur.tm_hour = hp->h_hour;
				}
			}
		}
	}
	return(1);
}

/*
 *	Starting day after Christmas, complain if holidays not yet updated.
 *	This code is only executed once per program invocation.
 */
int
checkhol(void)
{
	struct tm *tp;
	time_t t;

	if(inithol() == 0) {
		fprintf(stderr, "pnpsplit: holidays table setup failed\n");
		thisyear = 0;
		holidays[0] = -1;
		return(0);
	}
	time(&t);
	tp = localtime(&t);
	tp->tm_year += 1900;
	if ((tp->tm_year == thisyear && tp->tm_yday > 359)
		|| tp->tm_year > thisyear)
		fprintf(stderr,
			"***UPDATE %s WITH NEW HOLIDAYS***\n", HOLFILE);
	thisyear = 0;	/* checkhol() will not be called again */
	return(1);
}

/*
 * ssh returns 1 if Sat, Sun, or Holiday
 */
int
ssh(struct tm *ltp)
{
	int i;

	if (ltp->tm_wday == 0 || ltp->tm_wday == 6)
		return(1);
	for (i = 0; holidays[i] >= 0; i++)
		if (ltp->tm_yday == holidays[i])
			return(1);
	return(0);
}

/*
 * inithol - read from an ascii file and initialize the "thisyear"
 * variable, the times that prime and non-prime start, and the
 * holidays array.
 */
int
inithol(void)
{
	FILE		*holptr;
	char		holbuf[128];
	int		line = 0,
			holindx = 0,
			errflag = 0;
	int		pstart, npstart;
	int		doy;	/* day of the year */
	int 		month, day;
	char		*c;

	if((holptr=fopen(HOLFILE, "r")) == NULL) {
		perror(HOLFILE);
		fclose(holptr);
		return(0);
	}
	while(fgets(holbuf, sizeof(holbuf), holptr) != NULL) {
		/* skip over blank lines and comments */
		if (holbuf[0] == '*')
			continue;

		for (c = holbuf; isspace(*c); c++)
			/* is a space */;

		if (*c == '\0')
			continue;

		else if(++line == 1) {	/* format: year p-start np-start */
			if(sscanf(holbuf, "%4d %4d %4d",
				&thisyear, &pstart, &npstart) != 3) {
				fprintf(stderr,
					"%s: bad {yr ptime nptime} conversion\n",
					HOLFILE);
				errflag++;
				break;
			}

			/* validate year */
			if(thisyear < 1970 || thisyear > 2037) {
				fprintf(stderr, "pnpsplit: invalid year: %d\n",
					thisyear);
				errflag++;
				break;
			}

			/* validate prime/nonprime hours */
			if((! okay(pstart)) || (! okay(npstart))) {
				fprintf(stderr,
					"pnpsplit: invalid p/np hours\n");
				errflag++;
				break;
			}

			/* Set up start of prime time; 2400 == 0000 */
			h[0].h_sec = 0;
			h[0].h_min = pstart%100;
			h[0].h_hour = (pstart/100==24) ? 0 : pstart/100;
			h[0].h_type = NONPRIME;

			/* Set up start of non-prime time; 2400 == 2360 */
			if ((npstart/100) == 24) {
				h[1].h_sec = 0;
				h[1].h_min = 60;
				h[1].h_hour = 23;
			} else {
				h[1].h_sec = 0;
				h[1].h_min = npstart % 100;
				h[1].h_hour = npstart / 100;
			}

			h[1].h_type = PRIME;

			/* This is the end of the day */
			h[2].h_sec = 0;
			h[2].h_min = 60;
			h[2].h_hour = 23;
			h[2].h_type = NONPRIME;

			/* The end of the array */
			h[3].h_sec = -1;

			continue;
		}
		else if(holindx >= NHOLIDAYS) {
			fprintf(stderr, "pnpsplit: too many holidays, ");
			fprintf(stderr, "recompile with larger NHOLIDAYS\n");
			errflag++;
			break;
		}

		/* Fill up holidays array from holidays file */
		sscanf(holbuf, "%d/%d	%*s %*s	%*[^\n]\n", &month, &day);
		if (month < 0 || month > 12) {
			fprintf(stderr, "pnpsplit: invalid month %d\n", month);
			errflag++;
			break;
		}
		if (day < 0 || day > 31) {
			fprintf(stderr, "pnpsplit: invalid day %d\n", day);
			errflag++;
			break;
		}
		doy = day_of_year(thisyear, month, day);
		holidays[holindx++] = (doy - 1);
	}
	fclose(holptr);
	if(!errflag && holindx < NHOLIDAYS) {
		holidays[holindx] = -1;
		return(1);
	}
	else
		return(0);
}

/*
 *	tmsecs returns number of seconds from t1 to t2,
 *	times expressed in localtime format.
 *	assumed that t1 <= t2, and are in same day.
 */

long
tmsecs(struct tm *t1, struct tm *t2)
{
	return((t2->tm_sec - t1->tm_sec) +
		60*(t2->tm_min - t1->tm_min) +
		3600L*(t2->tm_hour - t1->tm_hour));
}

/*
 *	return 1 if t1 earlier than t2 (times in localtime format)
 *	assumed that t1 and t2 are in same day
 */

int
tmless(struct tm *t1, struct tm *t2)
{
	if (t1->tm_hour != t2->tm_hour)
		return(t1->tm_hour < t2->tm_hour);
	if (t1->tm_min != t2->tm_min)
		return(t1->tm_min < t2->tm_min);
	return(t1->tm_sec < t2->tm_sec);
}

/* set day of year from month and day */

int
day_of_year(int year, int month, int day)
{
	int i, leap;

	leap = year%4 == 0 && year%100 || year%400 == 0;
	for (i = 1; i < month; i++)
		day += day_tab[leap][i];
	return(day);
}
/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
/*	  All Rights Reserved  	*/


#ident	"%Z%%M%	%I%	%E% SMI"	/* SVr4.0 1.5	*/
/*
	Place the `len' length substring of `as' starting at `as[origin]'
	in `aresult'.
	Return `aresult'.

  Note: The copying of as to aresult stops if either the
	specified number (len) characters have been copied,
	or if the end of as is found.
	A negative len generally guarantees that everything gets copied.
*/

char *substr(as, aresult, origin, len)
char *as, *aresult;
int origin;
register unsigned len;
{
	register char *s, *result;

	s = as + origin;
	result = aresult;
	++len;
	while (--len && (*result++ = *s++)) ;
	if (len == 0)
		*result = 0;
	return(aresult);
}
/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
/*	  All Rights Reserved  	*/

/*
 * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

/*
 *	return 1 if t1 earlier than t2 (times in localtime format)
 *	assumed that t1 and t2 are in same day
 */
#include <time.h>

int
tmless(t1, t2)
register struct tm *t1, *t2;
{
	if (t1->tm_hour != t2->tm_hour)
		return(t1->tm_hour < t2->tm_hour);
	if (t1->tm_min != t2->tm_min)
		return(t1->tm_min < t2->tm_min);
	return(t1->tm_sec < t2->tm_sec);
}
/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
/*	  All Rights Reserved  	*/


#ident	"%Z%%M%	%I%	%E% SMI"	/* SVr4.0 1.5	*/
/*
 *	tmsecs returns number of seconds from t1 to t2,
 *	times expressed in localtime format.
 *	assumed that t1 <= t2, and are in same day.
 */

#include <time.h>
long
tmsecs(t1, t2)
register struct tm *t1, *t2;
{
	return((t2->tm_sec - t1->tm_sec) +
		60*(t2->tm_min - t1->tm_min) +
		3600L*(t2->tm_hour - t1->tm_hour));
}
/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
/*	  All Rights Reserved  	*/

/*
 * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

/*
 * convert uid to login name; interface to getpwuid that keeps up to USIZE1
 * names to avoid unnecessary accesses to passwd file
 * returns ptr to NSZ-byte name (not necessarily null-terminated)
 * returns ptr to "?" if cannot convert
 */

#include <stdio.h>
#include <sys/types.h>
#include <sys/param.h>
#include "acctdef.h"
#include <pwd.h>

static int usize1;
static struct ulist {
	char	uname[NSZ];
	uid_t	uuid;
} ul[USIZE1];

char *strncpy();

char *
uidtonam(uid)
uid_t	uid;
{
	register struct ulist *up;
	struct passwd *getpwuid();
	register struct passwd *pp;

	for (up = ul; up < &ul[usize1]; up++)
		if (uid == up->uuid)
			return(up->uname);
	setpwent();
	if ((pp = getpwuid(uid)) == NULL)
		return("?");
	else {
		if (usize1 < USIZE1) {
			up->uuid = uid;
			CPYN(up->uname, pp->pw_name);
			usize1++;
		}
		return(pp->pw_name);
	}
}