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8629ae287c79c3e0aa32f21d04df41c1189f383a blob 3938 bytes (raw)

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/*
 *  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, see
 *  <http://www.gnu.org/licenses/>.
 *
 *  Davide Libenzi <davidel@xmailserver.org>
 *
 */

#if !defined(XDIFF_H)
#define XDIFF_H

#ifdef __cplusplus
extern "C" {
#endif /* #ifdef __cplusplus */

/* xpparm_t.flags */
#define XDF_NEED_MINIMAL (1 << 0)

#define XDF_IGNORE_WHITESPACE (1 << 1)
#define XDF_IGNORE_WHITESPACE_CHANGE (1 << 2)
#define XDF_IGNORE_WHITESPACE_AT_EOL (1 << 3)
#define XDF_IGNORE_CR_AT_EOL (1 << 4)
#define XDF_WHITESPACE_FLAGS (XDF_IGNORE_WHITESPACE | \
			      XDF_IGNORE_WHITESPACE_CHANGE | \
			      XDF_IGNORE_WHITESPACE_AT_EOL | \
			      XDF_IGNORE_CR_AT_EOL)

#define XDF_IGNORE_BLANK_LINES (1 << 7)

#define XDF_PATIENCE_DIFF (1 << 14)
#define XDF_HISTOGRAM_DIFF (1 << 15)
#define XDF_DIFF_ALGORITHM_MASK (XDF_PATIENCE_DIFF | XDF_HISTOGRAM_DIFF)
#define XDF_DIFF_ALG(x) ((x) & XDF_DIFF_ALGORITHM_MASK)

#define XDF_INDENT_HEURISTIC (1 << 23)

/* xdemitconf_t.flags */
#define XDL_EMIT_FUNCNAMES (1 << 0)
#define XDL_EMIT_FUNCCONTEXT (1 << 2)

/* merge simplification levels */
#define XDL_MERGE_MINIMAL 0
#define XDL_MERGE_EAGER 1
#define XDL_MERGE_ZEALOUS 2
#define XDL_MERGE_ZEALOUS_ALNUM 3

/* merge favor modes */
#define XDL_MERGE_FAVOR_OURS 1
#define XDL_MERGE_FAVOR_THEIRS 2
#define XDL_MERGE_FAVOR_UNION 3

/* merge output styles */
#define XDL_MERGE_DIFF3 1
#define XDL_MERGE_ZEALOUS_DIFF3 2

typedef struct s_mmfile {
	char *ptr;
	long size;
} mmfile_t;

typedef struct s_mmbuffer {
	char *ptr;
	long size;
} mmbuffer_t;

typedef struct s_xpparam {
	unsigned long flags;

	/* -I<regex> */
	regex_t **ignore_regex;
	size_t ignore_regex_nr;

	/* See Documentation/diff-options.txt. */
	char **anchors;
	size_t anchors_nr;
} xpparam_t;

typedef struct s_xdemitcb {
	void *priv;
	int (*out_hunk)(void *,
			long old_begin, long old_nr,
			long new_begin, long new_nr,
			const char *func, long funclen);
	int (*out_line)(void *, mmbuffer_t *, int);
} xdemitcb_t;

typedef long (*find_func_t)(const char *line, long line_len, char *buffer, long buffer_size, void *priv);

typedef int (*xdl_emit_hunk_consume_func_t)(long start_a, long count_a,
					    long start_b, long count_b,
					    void *cb_data);

typedef struct s_xdemitconf {
	long ctxlen;
	long interhunkctxlen;
	unsigned long flags;
	find_func_t find_func;
	void *find_func_priv;
	xdl_emit_hunk_consume_func_t hunk_func;
} xdemitconf_t;

typedef struct s_bdiffparam {
	long bsize;
} bdiffparam_t;


#define xdl_malloc(x) xmalloc(x)
#define xdl_free(ptr) free(ptr)
#define xdl_realloc(ptr,x) xrealloc(ptr,x)

void *xdl_mmfile_first(mmfile_t *mmf, long *size);
long xdl_mmfile_size(mmfile_t *mmf);

int xdl_diff(mmfile_t *mf1, mmfile_t *mf2, xpparam_t const *xpp,
	     xdemitconf_t const *xecfg, xdemitcb_t *ecb);

typedef struct s_xmparam {
	xpparam_t xpp;
	int marker_size;
	int level;
	int favor;
	int style;
	const char *ancestor;	/* label for orig */
	const char *file1;	/* label for mf1 */
	const char *file2;	/* label for mf2 */
} xmparam_t;

#define DEFAULT_CONFLICT_MARKER_SIZE 7

int xdl_merge(mmfile_t *orig, mmfile_t *mf1, mmfile_t *mf2,
		xmparam_t const *xmp, mmbuffer_t *result);

#ifdef __cplusplus
}
#endif /* #ifdef __cplusplus */

#endif /* #if !defined(XDIFF_H) */
debug log:

solving 8629ae287c ...
found 8629ae287c in https://public-inbox.org/git/20210613143155.836591-1-felipe.contreras@gmail.com/ ||
	https://public-inbox.org/git/b7561a67c192d4bdede47fee5b7b1cb30c44b785.1623734171.git.gitgitgadget@gmail.com/ ||
	https://public-inbox.org/git/06e04c88dea3e15a90f0a11795b7a8eea3533bc8.1631379829.git.gitgitgadget@gmail.com/
found 7a04605146 in https://80x24.org/mirrors/git.git
preparing index
index prepared:
100644 7a046051468f9e7e804d9eb7f0bd7eeeba6727db	xdiff/xdiff.h

applying [1/3] https://public-inbox.org/git/20210613143155.836591-1-felipe.contreras@gmail.com/
diff --git a/xdiff/xdiff.h b/xdiff/xdiff.h
index 7a04605146..8629ae287c 100644

Checking patch xdiff/xdiff.h...
Applied patch xdiff/xdiff.h cleanly.

skipping https://public-inbox.org/git/b7561a67c192d4bdede47fee5b7b1cb30c44b785.1623734171.git.gitgitgadget@gmail.com/ for 8629ae287c
skipping https://public-inbox.org/git/06e04c88dea3e15a90f0a11795b7a8eea3533bc8.1631379829.git.gitgitgadget@gmail.com/ for 8629ae287c
index at:
100644 8629ae287c79c3e0aa32f21d04df41c1189f383a	xdiff/xdiff.h

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