1/*********************************************************************** 2* * 3* This software is part of the ast package * 4* Copyright (c) 1985-2011 AT&T Intellectual Property * 5* and is licensed under the * 6* Eclipse Public License, Version 1.0 * 7* by AT&T Intellectual Property * 8* * 9* A copy of the License is available at * 10* http://www.eclipse.org/org/documents/epl-v10.html * 11* (with md5 checksum b35adb5213ca9657e911e9befb180842) * 12* * 13* Information and Software Systems Research * 14* AT&T Research * 15* Florham Park NJ * 16* * 17* Glenn Fowler <gsf@research.att.com> * 18* David Korn <dgk@research.att.com> * 19* Phong Vo <kpv@research.att.com> * 20* * 21***********************************************************************/ 22#pragma prototyped 23 24#include <ast.h> 25 26#if !defined(getgroups) && defined(_lib_getgroups) 27 28NoN(getgroups) 29 30#else 31 32#include <error.h> 33 34#if defined(getgroups) 35#undef getgroups 36#define ast_getgroups _ast_getgroups 37#define botched 1 38extern int getgroups(int, int*); 39#else 40#define ast_getgroups getgroups 41#endif 42 43#if defined(__EXPORT__) 44#define extern __EXPORT__ 45#endif 46 47extern int 48ast_getgroups(int len, gid_t* set) 49{ 50#if botched 51#if NGROUPS_MAX < 1 52#undef NGROUPS_MAX 53#define NGROUPS_MAX 1 54#endif 55 register int i; 56 int big[NGROUPS_MAX]; 57#else 58#undef NGROUPS_MAX 59#define NGROUPS_MAX 1 60#endif 61 if (!len) return(NGROUPS_MAX); 62 if (len < 0 || !set) 63 { 64 errno = EINVAL; 65 return(-1); 66 } 67#if botched 68 len = getgroups(len > NGROUPS_MAX ? NGROUPS_MAX : len, big); 69 for (i = 0; i < len; i++) 70 set[i] = big[i]; 71 return(len); 72#else 73 *set = getgid(); 74 return(1); 75#endif 76} 77 78#endif 79