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    Length: 1294 (0x50e)
    Types: TextFile
    Names: »lastlog.c«

└─⟦a0efdde77⟧ Bits:30001252 EUUGD11 Tape, 1987 Spring Conference Helsinki
    └─ ⟦this⟧ »EUUGD11/euug-87hel/sec8/mcp/src/lastlog.c« 

TextFile

#include <sys/file.h>
#include <stdio.h>
#include <sys/types.h>
#include <lastlog.h>
#include "sysdep.h"
#include "mem.h"
#include "save.h"

static	struct lastlog zero;
struct	lastlog ll;
long	lseek();

int LL_FileDes = UNDEFINED;

setllent()

{
	if (LL_FileDes == UNDEFINED) {
		LL_FileDes = open(LASTLOG, O_RDONLY);
		if (LL_FileDes < 0) {
			perr(LASTLOG);
			goodbye(1);
		}
	}
	lseek(LL_FileDes, (long)0, L_SET)<0&&perr("setllent: lseek failed?!");
	return;
}

endllent()

{
	if (LL_FileDes == UNDEFINED)
		return;
	(void) close(LL_FileDes);
	LL_FileDes = UNDEFINED;
	return;
}

struct lastlog *
getllent()

{
	if (LL_FileDes == UNDEFINED)
		setllent();
	if (read(LL_FileDes, (char *)&ll, sizeof ll) != sizeof ll)
		return(&zero);
	else
		return(&ll);
}

struct lastlog *
getlluid(uid)
int uid;

{
	if (LL_FileDes == UNDEFINED)
		setllent();
	lseek(LL_FileDes, (long)(uid * sizeof(struct lastlog)), L_SET)<0
		&& perr("getlluid: lseek failed!?");
	return(getllent());
}

addllent(lp, uid)
struct lastlog *lp;
int uid;

{
	int fd;

	fd = open(LASTLOG, O_WRONLY);
	if (fd < 0) {
		perr(LASTLOG);
		return;
	}
	lseek(fd, (long)(uid * sizeof(struct lastlog)), L_SET)<0&&
		panic("addllent: lseek failed!?");
	(void) write(fd, (char *)lp, sizeof(struct lastlog));
	(void) close(fd);
	return;
}