cdesktopenv/cde/programs/dtksh/ksh93/src/lib/libast/string/fmtuid.c

138 lines
4.4 KiB
C

/*
* CDE - Common Desktop Environment
*
* Copyright (c) 1993-2012, The Open Group. All rights reserved.
*
* These libraries and programs are free software; you can
* redistribute them and/or modify them under the terms of the GNU
* Lesser General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* These libraries and programs are distributed in the hope that
* they will be useful, but WITHOUT ANY WARRANTY; without even the
* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with these librararies and programs; if not, write
* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
* Floor, Boston, MA 02110-1301 USA
*/
/* $XConsortium: fmtuid.c /main/3 1995/11/01 18:46:06 rswiston $ */
/***************************************************************
* *
* AT&T - PROPRIETARY *
* *
* THIS IS PROPRIETARY SOURCE CODE LICENSED BY *
* AT&T CORP. *
* *
* Copyright (c) 1995 AT&T Corp. *
* All Rights Reserved *
* *
* This software is licensed by AT&T Corp. *
* under the terms and conditions of the license in *
* http://www.research.att.com/orgs/ssr/book/reuse *
* *
* This software was created by the *
* Software Engineering Research Department *
* AT&T Bell Laboratories *
* *
* For further information contact *
* gsf@research.att.com *
* *
***************************************************************/
/* : : generated by proto : : */
#if !defined(__PROTO__)
#if defined(__STDC__) || defined(__cplusplus) || defined(_proto) || defined(c_plusplus)
#if defined(__cplusplus)
#define __MANGLE__ "C"
#else
#define __MANGLE__
#endif
#define __STDARG__
#define __PROTO__(x) x
#define __OTORP__(x)
#define __PARAM__(n,o) n
#if !defined(__STDC__) && !defined(__cplusplus)
#if !defined(c_plusplus)
#define const
#endif
#define signed
#define void int
#define volatile
#define __V_ char
#else
#define __V_ void
#endif
#else
#define __PROTO__(x) ()
#define __OTORP__(x) x
#define __PARAM__(n,o) o
#define __MANGLE__
#define __V_ char
#define const
#define signed
#define void int
#define volatile
#endif
#if defined(__cplusplus) || defined(c_plusplus)
#define __VARARG__ ...
#else
#define __VARARG__
#endif
#if defined(__STDARG__)
#define __VA_START__(p,a) va_start(p,a)
#else
#define __VA_START__(p,a) va_start(p)
#endif
#endif
#if defined(__STDPP__directive) && defined(__STDPP__hide)
__STDPP__directive pragma pp:hide getpwuid
#else
#define getpwuid ______getpwuid
#endif
#include <ast.h>
#include <hash.h>
/* on linux pwd.h can include FILE without stdio.h which clashes with sfio_t */
#if defined(linux)
#ifndef __FILE_defined
#define __FILE_defined 1
#endif
#endif
#include <pwd.h>
#if defined(__STDPP__directive) && defined(__STDPP__hide)
__STDPP__directive pragma pp:nohide getpwuid
#else
#undef getpwuid
#endif
extern __MANGLE__ struct passwd* getpwuid __PROTO__((uid_t));
/*
* return uid name given uid number
*/
char*
fmtuid __PARAM__((int uid), (uid)) __OTORP__(int uid;){
register char* name;
register struct passwd* pw;
static Hash_table_t* uidtab;
static char buf[sizeof(int) * 3 + 1];
if (!uidtab && !(uidtab = hashalloc(NiL, HASH_set, HASH_ALLOCATE, HASH_namesize, sizeof(uid), HASH_name, "uidnum", 0))) sfsprintf(name = buf, sizeof(buf), "%d", uid);
else if (!(name = hashget(uidtab, &uid)))
{
if (pw = getpwuid(uid)) name = pw->pw_name;
else sfsprintf(name = buf, sizeof(buf), "%d", uid);
hashput(uidtab, NiL, name = strdup(name));
}
return(name);
}