1/*********************************************************************** 2* * 3* This software is part of the ast package * 4* Copyright (c) 1985-2010 AT&T Intellectual Property * 5* and is licensed under the * 6* Common Public License, Version 1.0 * 7* by AT&T Intellectual Property * 8* * 9* A copy of the License is available at * 10* http://www.opensource.org/licenses/cpl1.0.txt * 11* (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) * 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 * Glenn Fowler 25 * AT&T Bell Laboratories 26 * 27 * generate ast traps for botched standard prototypes 28 */ 29 30#include <sys/types.h> 31 32#include "FEATURE/lib" 33#include "FEATURE/sys" 34 35#if _lib_getgroups 36extern int getgroups(int, gid_t*); 37#endif 38 39int 40main() 41{ 42#if _lib_getgroups 43 if (sizeof(int) > sizeof(gid_t)) 44 { 45 int n; 46 int i; 47 int r; 48 gid_t groups[32 * sizeof(int) / sizeof(gid_t)]; 49 50 r = sizeof(int) / sizeof(gid_t); 51 if ((n = getgroups((sizeof(groups) / sizeof(groups[0])) / r, groups)) > 0) 52 for (i = 1; i <= n; i++) 53 { 54 groups[i] = ((gid_t)0); 55 if (getgroups(i, groups) != i) 56 goto botched; 57 if (groups[i] != ((gid_t)0)) 58 goto botched; 59 groups[i] = ((gid_t)-1); 60 if (getgroups(i, groups) != i) 61 goto botched; 62 if (groups[i] != ((gid_t)-1)) 63 goto botched; 64 } 65 } 66 return 0; 67 botched: 68 printf("#undef getgroups\n"); 69 printf("#define getgroups _ast_getgroups /* implementation botches gid_t* arg */\n"); 70#endif 71 return 0; 72} 73