59 lines
2 KiB
C
59 lines
2 KiB
C
#ifndef XDIFF_INTERFACE_H
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#define XDIFF_INTERFACE_H
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#include "cache.h"
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#include "xdiff/xdiff.h"
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/*
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* xdiff isn't equipped to handle content over a gigabyte;
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* we make the cutoff 1GB - 1MB to give some breathing
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* room for constant-sized additions (e.g., merge markers)
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*/
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#define MAX_XDIFF_SIZE (1024UL * 1024 * 1023)
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typedef void (*xdiff_emit_line_fn)(void *, char *, unsigned long);
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typedef void (*xdiff_emit_hunk_fn)(void *data,
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long old_begin, long old_nr,
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long new_begin, long new_nr,
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const char *func, long funclen);
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int xdi_diff(mmfile_t *mf1, mmfile_t *mf2, xpparam_t const *xpp, xdemitconf_t const *xecfg, xdemitcb_t *ecb);
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int xdi_diff_outf(mmfile_t *mf1, mmfile_t *mf2,
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xdiff_emit_hunk_fn hunk_fn,
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xdiff_emit_line_fn line_fn,
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void *consume_callback_data,
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xpparam_t const *xpp, xdemitconf_t const *xecfg);
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int read_mmfile(mmfile_t *ptr, const char *filename);
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void read_mmblob(mmfile_t *ptr, const struct object_id *oid);
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int buffer_is_binary(const char *ptr, unsigned long size);
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void xdiff_set_find_func(xdemitconf_t *xecfg, const char *line, int cflags);
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void xdiff_clear_find_func(xdemitconf_t *xecfg);
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int git_xmerge_config(const char *var, const char *value, void *cb);
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extern int git_xmerge_style;
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/*
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* Can be used as a no-op hunk_fn for xdi_diff_outf(), since a NULL
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* one just sends the hunk line to the line_fn callback).
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*/
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void discard_hunk_line(void *priv,
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long ob, long on, long nb, long nn,
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const char *func, long funclen);
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/*
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* Compare the strings l1 with l2 which are of size s1 and s2 respectively.
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* Returns 1 if the strings are deemed equal, 0 otherwise.
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* The `flags` given as XDF_WHITESPACE_FLAGS determine how white spaces
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* are treated for the comparision.
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*/
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int xdiff_compare_lines(const char *l1, long s1,
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const char *l2, long s2, long flags);
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/*
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* Returns a hash of the string s of length len.
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* The `flags` given as XDF_WHITESPACE_FLAGS determine how white spaces
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* are treated for the hash.
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*/
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unsigned long xdiff_hash_string(const char *s, size_t len, long flags);
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#endif
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