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make this behave like utmp, ie. return all entries and setutent() rewinds.

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This commit is contained in:
christos 2002-07-28 20:46:43 +00:00
parent 59d3d6c274
commit f084e3ca9b
1 changed files with 10 additions and 11 deletions
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21
lib/libc/gen/utmp.c
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@ -1,4 +1,4 @@
/* $NetBSD: utmp.c,v 1.1 2002/07/27 23:57:39 christos Exp $ */
/* $NetBSD: utmp.c,v 1.2 2002/07/28 20:46:43 christos Exp $ */
/*-
* Copyright (c) 2002 The NetBSD Foundation, Inc.
@ -38,7 +38,7 @@
#include <sys/cdefs.h>
#if defined(LIBC_SCCS) && !defined(lint)
__RCSID("$NetBSD: utmp.c,v 1.1 2002/07/27 23:57:39 christos Exp $");
__RCSID("$NetBSD: utmp.c,v 1.2 2002/07/28 20:46:43 christos Exp $");
#endif /* LIBC_SCCS and not lint */
#include <stdio.h>
@ -51,21 +51,20 @@ static FILE *ut;
void
setutent(void)
{
if (ut != NULL)
(void)fclose(ut);
ut = fopen(_PATH_UTMP, "r");
if (ut == NULL)
return;
(void)fseeko(ut, (off_t)0, SEEK_SET);
}
struct utmp *
getutent(void)
{
if (ut == NULL)
return NULL;
while (fread(&utmp, sizeof(utmp), 1, ut) == 1) {
if (utmp.ut_name[0] == '\0')
continue;
return &utmp;
if (ut == NULL) {
if ((ut = fopen(_PATH_UTMP, "r")) == NULL)
return NULL;
}
if (fread(&utmp, sizeof(utmp), 1, ut) == 1)
return &utmp;
return NULL;
}