Revision b406a2d3e30b1930ea3dc812bd1c4422ae135d14 authored by Carlos Martín Nieto on 16 March 2011, 11:46:01 UTC, committed by Junio C Hamano on 16 March 2011, 20:19:56 UTC
Some versions of strlen use SSE to speed up the calculation and load 4 bytes at a time, even if it means reading past the end of the allocated memory. This read is safe and when the strlen function is inlined, it is not replaced by valgrind, which reports a false-possitive. Tell valgrind to ignore this particular error, as the read is, in fact, safe. Current upstream-released version 3.6.1 is affected. Some distributions have this fixed in their latest versions. Signed-off-by: Carlos Martín Nieto <cmn@elego.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
1 parent 808a95d
xdiffi.h
/*
* LibXDiff by Davide Libenzi ( File Differential Library )
* Copyright (C) 2003 Davide Libenzi
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Davide Libenzi <davidel@xmailserver.org>
*
*/
#if !defined(XDIFFI_H)
#define XDIFFI_H
typedef struct s_diffdata {
long nrec;
unsigned long const *ha;
long *rindex;
char *rchg;
} diffdata_t;
typedef struct s_xdalgoenv {
long mxcost;
long snake_cnt;
long heur_min;
} xdalgoenv_t;
typedef struct s_xdchange {
struct s_xdchange *next;
long i1, i2;
long chg1, chg2;
} xdchange_t;
int xdl_recs_cmp(diffdata_t *dd1, long off1, long lim1,
diffdata_t *dd2, long off2, long lim2,
long *kvdf, long *kvdb, int need_min, xdalgoenv_t *xenv);
int xdl_do_diff(mmfile_t *mf1, mmfile_t *mf2, xpparam_t const *xpp,
xdfenv_t *xe);
int xdl_change_compact(xdfile_t *xdf, xdfile_t *xdfo, long flags);
int xdl_build_script(xdfenv_t *xe, xdchange_t **xscr);
void xdl_free_script(xdchange_t *xscr);
int xdl_emit_diff(xdfenv_t *xe, xdchange_t *xscr, xdemitcb_t *ecb,
xdemitconf_t const *xecfg);
int xdl_do_patience_diff(mmfile_t *mf1, mmfile_t *mf2, xpparam_t const *xpp,
xdfenv_t *env);
#endif /* #if !defined(XDIFFI_H) */
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