2 * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
4 * @APPLE_LICENSE_HEADER_START@
6 * Portions Copyright (c) 1999 Apple Computer, Inc. All Rights
7 * Reserved. This file contains Original Code and/or Modifications of
8 * Original Code as defined in and that are subject to the Apple Public
9 * Source License Version 1.1 (the "License"). You may not use this file
10 * except in compliance with the License. Please obtain a copy of the
11 * License at http://www.apple.com/publicsource and read it before using
14 * The Original Code and all software distributed under the License are
15 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
16 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
17 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE OR NON- INFRINGEMENT. Please see the
19 * License for the specific language governing rights and limitations
22 * @APPLE_LICENSE_HEADER_END@
25 * Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved
27 * Copyright (c) 1989, 1993
28 * The Regents of the University of California. All rights reserved.
30 * The NEXTSTEP Software License Agreement specifies the terms
31 * and conditions for redistribution.
33 * @(#)pwcache.c 8.1 (Berkeley) 6/4/93
37 #include <sys/types.h>
46 #define NCACHE 64 /* power of 2 */
47 #define MASK (NCACHE - 1) /* bits to store with */
50 user_from_uid(uid
, nouser
)
54 static struct ncache
{
56 char name
[UT_NAMESIZE
+ 1];
59 static char nbuf
[15]; /* 32 bits == 10 digits */
60 register struct passwd
*pw
;
61 register struct ncache
**cp
;
63 cp
= &c_uid
[uid
& MASK
];
64 if (*cp
== NULL
|| (*cp
)->uid
!= uid
|| !*(*cp
)->name
) {
69 if ((pw
= getpwuid(uid
)) == NULL
) {
73 (void)snprintf(nbuf
, sizeof(nbuf
), "%u", uid
);
77 *cp
= malloc(sizeof(struct ncache
));
82 (void)strncpy((*cp
)->name
, pw
->pw_name
, UT_NAMESIZE
);
83 (*cp
)->name
[UT_NAMESIZE
] = '\0';
89 group_from_gid(gid
, nogroup
)
93 static struct ncache
{
95 char name
[UT_NAMESIZE
+ 1];
98 static char nbuf
[15]; /* 32 bits == 10 digits */
100 struct ncache
**cp
= NULL
;
102 cp
= &c_gid
[gid
& MASK
];
103 if (*cp
== NULL
|| (*cp
)->gid
!= gid
|| !*(*cp
)->name
) {
108 if ((gr
= getgrgid(gid
)) == NULL
) {
112 (void)snprintf(nbuf
, sizeof(nbuf
), "%u", gid
);
116 *cp
= malloc(sizeof(struct ncache
));
121 (void)strncpy((*cp
)->name
, gr
->gr_name
, UT_NAMESIZE
);
122 (*cp
)->name
[UT_NAMESIZE
] = '\0';
124 return ((*cp
)->name
);