diff options
Diffstat (limited to 'usr/src/lib/libast/common/comp/getgroups.c')
-rw-r--r-- | usr/src/lib/libast/common/comp/getgroups.c | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/usr/src/lib/libast/common/comp/getgroups.c b/usr/src/lib/libast/common/comp/getgroups.c new file mode 100644 index 0000000000..b909c37a96 --- /dev/null +++ b/usr/src/lib/libast/common/comp/getgroups.c @@ -0,0 +1,78 @@ +/*********************************************************************** +* * +* This software is part of the ast package * +* Copyright (c) 1985-2007 AT&T Knowledge Ventures * +* and is licensed under the * +* Common Public License, Version 1.0 * +* by AT&T Knowledge Ventures * +* * +* A copy of the License is available at * +* http://www.opensource.org/licenses/cpl1.0.txt * +* (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) * +* * +* Information and Software Systems Research * +* AT&T Research * +* Florham Park NJ * +* * +* Glenn Fowler <gsf@research.att.com> * +* David Korn <dgk@research.att.com> * +* Phong Vo <kpv@research.att.com> * +* * +***********************************************************************/ +#pragma prototyped + +#include <ast.h> + +#if !defined(getgroups) && defined(_lib_getgroups) + +NoN(getgroups) + +#else + +#include <error.h> + +#if defined(getgroups) +#undef getgroups +#define ast_getgroups _ast_getgroups +#define botched 1 +extern int getgroups(int, int*); +#else +#define ast_getgroups getgroups +#endif + +#if defined(__EXPORT__) +#define extern __EXPORT__ +#endif + +extern int +ast_getgroups(int len, gid_t* set) +{ +#if botched +#if NGROUPS_MAX < 1 +#undef NGROUPS_MAX +#define NGROUPS_MAX 1 +#endif + register int i; + int big[NGROUPS_MAX]; +#else +#undef NGROUPS_MAX +#define NGROUPS_MAX 1 +#endif + if (!len) return(NGROUPS_MAX); + if (len < 0 || !set) + { + errno = EINVAL; + return(-1); + } +#if botched + len = getgroups(len > NGROUPS_MAX ? NGROUPS_MAX : len, big); + for (i = 0; i < len; i++) + set[i] = big[i]; + return(len); +#else + *set = getgid(); + return(1); +#endif +} + +#endif |