/* Linear search functions. Copyright (C) 1996 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. The GNU C Library 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 Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with the GNU C Library; see the file COPYING.LIB. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include <search.h> #include <string.h> void * lsearch (const void *key, void *base, size_t *nmemb, size_t size, __compar_fn_t compar) { void *result; /* Try to find it. */ result = lfind (key, base, nmemb, size, compar); if (result == NULL) { /* Not available. Insert at the end. */ memcpy (base + (*nmemb) * size, key, size); ++(*nmemb); } return result; } void * lfind (const void *key, const void *base, size_t *nmemb, size_t size, __compar_fn_t compar) { const void *result = base; size_t cnt = 0; while (cnt < *nmemb && (*compar) (key, result) != 0) { result += size; ++cnt; } return cnt < *nmemb ? (void *) result : NULL; }