1 /*********************************************************************** 2 * * 3 * This software is part of the ast package * 4 * Copyright (c) 1985-2007 AT&T Knowledge Ventures * 5 * and is licensed under the * 6 * Common Public License, Version 1.0 * 7 * by AT&T Knowledge Ventures * 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/types" 34 35 #if _lib_getgroups 36 extern int getgroups(int, gid_t*); 37 #endif 38 39 int 40 main() 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