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Diffstat (limited to 'apps/gperf/src/new.cpp')
-rw-r--r-- | apps/gperf/src/new.cpp | 85 |
1 files changed, 0 insertions, 85 deletions
diff --git a/apps/gperf/src/new.cpp b/apps/gperf/src/new.cpp deleted file mode 100644 index 14753699491..00000000000 --- a/apps/gperf/src/new.cpp +++ /dev/null @@ -1,85 +0,0 @@ -// $Id$ - -// Defines a buffered memory allocation abstraction that reduces calls -// to malloc. - -/* Copyright (C) 1989 Free Software Foundation, Inc. - written by Douglas C. Schmidt (schmidt@ics.uci.edu) - -This file is part of GNU GPERF. - -GNU GPERF is free software; you can redistribute it and/or modify it -under the terms of the GNU General Public License as published by the -Free Software Foundation; either version 1, or (at your option) any -later version. - -GNU GPERF 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 -General Public License for more details. - -You should have received a copy of the GNU General Public License -along with GNU GPERF; see the file COPYING. If not, write to the Free -Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111, -USA. */ - -#include "Options.h" - -// Determine default alignment. If your C++ compiler does not like -// this then try something like #define DEFAULT_ALIGNMENT 8. -struct fooalign {char x; double d;}; -const int ALIGNMENT = ((char *)&((struct fooalign *) 0)->d - (char *)0); - -// Provide an abstraction that cuts down on the number of calls to NEW -// by buffering the memory pool from which strings are allocated. - -void * -operator new (size_t size) -{ - // @@ This function should probably be replaced with something from - // ACE, e.g., some type of ACE_Memory_Allocator. - - static char *buf_start = 0; // Large array used to reduce calls to NEW. - static char *buf_end = 0; // Indicates end of BUF_START. - static int buf_size = 4 * BUFSIZ; // Size of buffer pointed to by BUF_START. - char *temp; - - // Align this on correct boundaries, just to be safe... - size = ((size + ALIGNMENT - 1) / ALIGNMENT) * ALIGNMENT; - - // If we are about to overflow our buffer we'll just grab another - // chunk of memory. Since we never free the original memory it - // doesn't matter that no one points to the beginning of that - // chunk. Note we use a heuristic that grows the buffer either by - // size of the request or by twice the previous size, whichever is - // larger. - - if (buf_start + size >= buf_end) - { - buf_size *= 2; - if (buf_size < size) - buf_size = size; - if (buf_start = (char *) malloc (buf_size)) - buf_end = buf_start + buf_size; - else - ACE_ERROR ((LM_ERROR, - "Virtual memory failed at %s, %s in function %s\n%a", - __FILE__, - __LINE__, - "operator new", - 1)); - } - - temp = buf_start; - buf_start += size; - return temp; -} - -// We need this deletion operator in order to make the linker happy. - -void -operator delete (void *ptr) -{ - // We cannot call free here, as it doesn't match the mallocs. free - // ((char *) ptr); -} |