From 76718abdb2138623102398a10f3228e576dd0ae8 Mon Sep 17 00:00:00 2001 From: tpearson Date: Wed, 10 Feb 2010 01:27:27 +0000 Subject: Added abandoned KDE3 version of kdiff3 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/kdiff3@1088041 283d02a7-25f6-0310-bc7c-ecb5cbfe19da --- src/gnudiff_xmalloc.cpp | 88 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 88 insertions(+) create mode 100644 src/gnudiff_xmalloc.cpp (limited to 'src/gnudiff_xmalloc.cpp') diff --git a/src/gnudiff_xmalloc.cpp b/src/gnudiff_xmalloc.cpp new file mode 100644 index 0000000..858faba --- /dev/null +++ b/src/gnudiff_xmalloc.cpp @@ -0,0 +1,88 @@ +/* xmalloc.c -- malloc with out of memory checking + + Modified for KDiff3 by Joachim Eibl 2003. + The original file was part of GNU DIFF. + + Copyright (C) 1990-1999, 2000, 2002 Free Software Foundation, Inc. + + This program 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 2, or (at your option) + any later version. + + This program 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 this program; if not, write to the Free Software Foundation, + Inc., 51 Franklin Steet, Fifth Floor, Boston, MA 02110-1301, USA. */ + +#if HAVE_CONFIG_H +# include +#endif + +#include + + +#include +#include + + +#ifndef EXIT_FAILURE +# define EXIT_FAILURE 1 +#endif + +#include "gnudiff_diff.h" +/* If non NULL, call this function when memory is exhausted. */ +//void (*xalloc_fail_func) PARAMS ((void)) = 0; +void (*xalloc_fail_func)(void) = 0; + + +void GnuDiff::xalloc_die (void) +{ + if (xalloc_fail_func) + (*xalloc_fail_func) (); + //error (exit_failure, 0, "%s", _(xalloc_msg_memory_exhausted)); + /* The `noreturn' cannot be given to error, since it may return if + its first argument is 0. To help compilers understand the + xalloc_die does terminate, call exit. */ + exit (EXIT_FAILURE); +} + +/* Allocate N bytes of memory dynamically, with error checking. */ + +void * +GnuDiff::xmalloc (size_t n) +{ + void *p; + + p = malloc (n == 0 ? 1 : n); // There are systems where malloc returns 0 for n==0. + if (p == 0) + xalloc_die (); + return p; +} + +/* Change the size of an allocated block of memory P to N bytes, + with error checking. */ + +void * +GnuDiff::xrealloc (void *p, size_t n) +{ + p = realloc (p, n==0 ? 1 : n); + if (p == 0) + xalloc_die (); + return p; +} + + +/* Yield a new block of SIZE bytes, initialized to zero. */ + +void * +GnuDiff::zalloc (size_t size) +{ + void *p = xmalloc (size); + memset (p, 0, size); + return p; +} -- cgit v1.2.3