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6d0e674a57
Merge two hunks if there is only the specified number of otherwise unshown context between them. For --inter-hunk-context=1, the resulting patch has the same number of lines but shows uninterrupted context instead of a context header line in between. Patches generated with this option are easier to read but are also more likely to conflict if the file to be patched contains other changes. This patch keeps the default for this option at 0. It is intended to just make the feature available in order to see its advantages and downsides. Signed-off-by: Rene Scharfe <rene.scharfe@lsrfire.ath.cx> Signed-off-by: Junio C Hamano <gitster@pobox.com>
119 lines
3.1 KiB
C
119 lines
3.1 KiB
C
/*
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* LibXDiff by Davide Libenzi ( File Differential Library )
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* Copyright (C) 2003 Davide Libenzi
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* Davide Libenzi <davidel@xmailserver.org>
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*
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*/
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#if !defined(XDIFF_H)
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#define XDIFF_H
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#ifdef __cplusplus
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extern "C" {
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#endif /* #ifdef __cplusplus */
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#define XDF_NEED_MINIMAL (1 << 1)
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#define XDF_IGNORE_WHITESPACE (1 << 2)
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#define XDF_IGNORE_WHITESPACE_CHANGE (1 << 3)
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#define XDF_IGNORE_WHITESPACE_AT_EOL (1 << 4)
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#define XDF_WHITESPACE_FLAGS (XDF_IGNORE_WHITESPACE | XDF_IGNORE_WHITESPACE_CHANGE | XDF_IGNORE_WHITESPACE_AT_EOL)
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#define XDL_PATCH_NORMAL '-'
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#define XDL_PATCH_REVERSE '+'
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#define XDL_PATCH_MODEMASK ((1 << 8) - 1)
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#define XDL_PATCH_IGNOREBSPACE (1 << 8)
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#define XDL_EMIT_FUNCNAMES (1 << 0)
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#define XDL_EMIT_COMMON (1 << 1)
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#define XDL_MMB_READONLY (1 << 0)
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#define XDL_MMF_ATOMIC (1 << 0)
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#define XDL_BDOP_INS 1
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#define XDL_BDOP_CPY 2
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#define XDL_BDOP_INSB 3
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/* merge simplification levels */
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#define XDL_MERGE_MINIMAL 0
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#define XDL_MERGE_EAGER 1
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#define XDL_MERGE_ZEALOUS 2
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#define XDL_MERGE_ZEALOUS_ALNUM 3
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#define XDL_MERGE_LEVEL_MASK 0x0f
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/* merge output styles */
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#define XDL_MERGE_DIFF3 0x8000
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#define XDL_MERGE_STYLE_MASK 0x8000
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typedef struct s_mmfile {
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char *ptr;
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long size;
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} mmfile_t;
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typedef struct s_mmbuffer {
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char *ptr;
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long size;
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} mmbuffer_t;
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typedef struct s_xpparam {
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unsigned long flags;
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} xpparam_t;
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typedef struct s_xdemitcb {
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void *priv;
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int (*outf)(void *, mmbuffer_t *, int);
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} xdemitcb_t;
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typedef long (*find_func_t)(const char *line, long line_len, char *buffer, long buffer_size, void *priv);
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typedef struct s_xdemitconf {
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long ctxlen;
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long interhunkctxlen;
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unsigned long flags;
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find_func_t find_func;
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void *find_func_priv;
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void (*emit_func)();
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} xdemitconf_t;
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typedef struct s_bdiffparam {
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long bsize;
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} bdiffparam_t;
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#define xdl_malloc(x) malloc(x)
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#define xdl_free(ptr) free(ptr)
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#define xdl_realloc(ptr,x) realloc(ptr,x)
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void *xdl_mmfile_first(mmfile_t *mmf, long *size);
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void *xdl_mmfile_next(mmfile_t *mmf, long *size);
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long xdl_mmfile_size(mmfile_t *mmf);
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int xdl_diff(mmfile_t *mf1, mmfile_t *mf2, xpparam_t const *xpp,
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xdemitconf_t const *xecfg, xdemitcb_t *ecb);
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int xdl_merge(mmfile_t *orig, mmfile_t *mf1, const char *name1,
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mmfile_t *mf2, const char *name2,
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xpparam_t const *xpp, int level, mmbuffer_t *result);
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#ifdef __cplusplus
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}
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#endif /* #ifdef __cplusplus */
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#endif /* #if !defined(XDIFF_H) */
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