/*********************************************************************** * * * 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 * * David Korn * * Phong Vo * * * ***********************************************************************/ #pragma prototyped /* * Glenn Fowler * AT&T Bell Laboratories * * generate ast traps for botched standard prototypes */ #include #include "FEATURE/lib" #include "FEATURE/types" #if _lib_getgroups extern int getgroups(int, gid_t*); #endif int main() { #if _lib_getgroups if (sizeof(int) > sizeof(gid_t)) { int n; int i; int r; gid_t groups[32 * sizeof(int) / sizeof(gid_t)]; r = sizeof(int) / sizeof(gid_t); if ((n = getgroups((sizeof(groups) / sizeof(groups[0])) / r, groups)) > 0) for (i = 1; i <= n; i++) { groups[i] = ((gid_t)0); if (getgroups(i, groups) != i) goto botched; if (groups[i] != ((gid_t)0)) goto botched; groups[i] = ((gid_t)-1); if (getgroups(i, groups) != i) goto botched; if (groups[i] != ((gid_t)-1)) goto botched; } } return 0; botched: printf("#undef getgroups\n"); printf("#define getgroups _ast_getgroups /* implementation botches gid_t* arg */\n"); #endif return 0; }