/* * have_strdup - determine if we have strdup() * * Copyright (C) 1999 Landon Curt Noll * * Calc is open software; you can redistribute it and/or modify it under * the terms of the version 2.1 of the GNU Lesser General Public License * as published by the Free Software Foundation. * * Calc is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General * Public License for more details. * * A copy of version 2.1 of the GNU Lesser General Public License is * distributed with calc under the filename COPYING-LGPL. You should have * received a copy with calc; if not, write to Free Software Foundation, Inc. * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * * @(#) $Revision: 30.1 $ * @(#) $Id: have_strdup.c,v 30.1 2007/03/16 11:09:46 chongo Exp $ * @(#) $Source: /usr/local/src/cmd/calc/RCS/have_strdup.c,v $ * * Under source code control: 1999/11/09 12:46:54 * File existed as early as: 1999 * * chongo /\oo/\ http://www.isthe.com/chongo/ * Share and enjoy! :-) http://www.isthe.com/chongo/tech/comp/calc/ */ /* * usage: * have_strdup * * Not all systems have the strdup() function, so this may not * compile on your system. * * This prog outputs several defines: * * HAVE_STRDUP * defined ==> use strdup() * undefined ==> do not call or cannot call strdup() */ #include int main(void) { #if defined(HAVE_NO_STRDUP) printf("#undef HAVE_STRDUP /* no */\n"); #else /* HAVE_NO_STRDUP */ char *p; p = strdup("#define HAVE_STRDUP /* yes */"); if (p != NULL) { printf("%s\n", p); } #endif /* HAVE_NO_STRDUP */ /* exit(0); */ return 0; }