#ifndef GIT_H
#define GIT_H


/*
 * from git:git-compat-util.h 
 */


#ifndef FLEX_ARRAY
#if defined(__GNUC__) && (__GNUC__ < 3)
#define FLEX_ARRAY 0
#else
#define FLEX_ARRAY /* empty */
#endif
#endif


#include <unistd.h>
#include <stdio.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <stddef.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <errno.h>
#include <limits.h>
#include <sys/param.h>
#include <netinet/in.h>
#include <sys/types.h>
#include <dirent.h>
#include <time.h>
#include <regex.h>

/* On most systems <limits.h> would have given us this, but
 * not on some systems (e.g. GNU/Hurd).
 */
#ifndef PATH_MAX
#define PATH_MAX 4096
#endif

#ifdef __GNUC__
#define NORETURN __attribute__((__noreturn__))
#else
#define NORETURN
#ifndef __attribute__
#define __attribute__(x)
#endif
#endif


extern void die(const char *err, ...) NORETURN __attribute__((format (printf, 1, 2)));


static inline char* xstrdup(const char *str)
{
	char *ret = strdup(str);
	if (!ret)
		die("Out of memory, strdup failed");
	return ret;
}

static inline void *xmalloc(size_t size)
{
	void *ret = malloc(size);
	if (!ret && !size)
		ret = malloc(1);
	if (!ret)
		die("Out of memory, malloc failed");
#ifdef XMALLOC_POISON
	memset(ret, 0xA5, size);
#endif
	return ret;
}

static inline void *xrealloc(void *ptr, size_t size)
{
	void *ret = realloc(ptr, size);
	if (!ret && !size)
		ret = realloc(ptr, 1);
	if (!ret)
		die("Out of memory, realloc failed");
	return ret;
}

static inline void *xcalloc(size_t nmemb, size_t size)
{
	void *ret = calloc(nmemb, size);
	if (!ret && (!nmemb || !size))
		ret = calloc(1, 1);
	if (!ret)
		die("Out of memory, calloc failed");
	return ret;
}

static inline ssize_t xread(int fd, void *buf, size_t len)
{
	ssize_t nr;
	while (1) {
		nr = read(fd, buf, len);
		if ((nr < 0) && (errno == EAGAIN || errno == EINTR))
			continue;
		return nr;
	}
}

static inline ssize_t xwrite(int fd, const void *buf, size_t len)
{
	ssize_t nr;
	while (1) {
		nr = write(fd, buf, len);
		if ((nr < 0) && (errno == EAGAIN || errno == EINTR))
			continue;
		return nr;
	}
}




/*
 * from git:cache.h
 */


enum object_type {
	OBJ_NONE = 0,
	OBJ_COMMIT = 1,
	OBJ_TREE = 2,
	OBJ_BLOB = 3,
	OBJ_TAG = 4,
	/* 5 for future expansion */
	OBJ_OFS_DELTA = 6,
	OBJ_REF_DELTA = 7,
	OBJ_BAD,
};


/* Convert to/from hex/sha1 representation */
#define MINIMUM_ABBREV 4
#define DEFAULT_ABBREV 7

extern const unsigned char null_sha1[20];

extern int sha1_object_info(const unsigned char *, char *, unsigned long *);

extern void * read_sha1_file(const unsigned char *sha1, char *type, unsigned long *size);

extern int get_sha1(const char *str, unsigned char *sha1);
extern int get_sha1_hex(const char *hex, unsigned char *sha1);
extern char *sha1_to_hex(const unsigned char *sha1);	/* static buffer result! */

static inline int is_null_sha1(const unsigned char *sha1)
{
	return !memcmp(sha1, null_sha1, 20);
}
static inline int hashcmp(const unsigned char *sha1, const unsigned char *sha2)
{
	return memcmp(sha1, s<style>pre { line-height: 125%; }
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.highlight .nb { color: #003388 } /* Name.Builtin */
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.highlight .nt { color: #bb0066; font-weight: bold } /* Name.Tag */
.highlight .nv { color: #336699 } /* Name.Variable */
.highlight .ow { color: #008800 } /* Operator.Word */
.highlight .w { color: #bbbbbb } /* Text.Whitespace */
.highlight .mb { color: #0000DD; font-weight: bold } /* Literal.Number.Bin */
.highlight .mf { color: #0000DD; font-weight: bold } /* Literal.Number.Float */
.highlight .mh { color: #0000DD; font-weight: bold } /* Literal.Number.Hex */
.highlight .mi { color: #0000DD; font-weight: bold } /* Literal.Number.Integer */
.highlight .mo { color: #0000DD; font-weight: bold } /* Literal.Number.Oct */
.highlight .sa { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Affix */
.highlight .sb { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Backtick */
.highlight .sc { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Char */
.highlight .dl { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Delimiter */
.highlight .sd { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Doc */
.highlight .s2 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Double */
.highlight .se { color: #0044dd; background-color: #fff0f0 } /* Literal.String.Escape */
.highlight .sh { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Heredoc */
.highlight .si { color: #3333bb; background-color: #fff0f0 } /* Literal.String.Interpol */
.highlight .sx { color: #22bb22; background-color: #f0fff0 } /* Literal.String.Other */
.highlight .sr { color: #008800; background-color: #fff0ff } /* Literal.String.Regex */
.highlight .s1 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Single */
.highlight .ss { color: #aa6600; background-color: #fff0f0 } /* Literal.String.Symbol */
.highlight .bp { color: #003388 } /* Name.Builtin.Pseudo */
.highlight .fm { color: #0066bb; font-weight: bold } /* Name.Function.Magic */
.highlight .vc { color: #336699 } /* Name.Variable.Class */
.highlight .vg { color: #dd7700 } /* Name.Variable.Global */
.highlight .vi { color: #3333bb } /* Name.Variable.Instance */
.highlight .vm { color: #336699 } /* Name.Variable.Magic */
.highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long */</style><div class="highlight"><pre><span></span><span class="cp">#ifndef UI_LOG_H</span>
<span class="cp">#define UI_LOG_H</span>

<span class="k">extern</span><span class="w"> </span><span class="kt">void</span><span class="w"> </span><span class="nf">cgit_print_log</span><span class="p">(</span><span class="k">const</span><span class="w"> </span><span class="kt">char</span><span class="w"> </span><span class="o">*</span><span class="n">tip</span><span class="p">,</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">ofs</span><span class="p">,</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">cnt</span><span class="p">,</span><span class="w"> </span><span class="kt">char</span><span class="w"> </span><span class="o">*</span><span class="n">grep</span><span class="p">,</span>
<span class="w">			   </span><span class="kt">char</span><span class="w"> </span><span class="o">*</span><span class="n">pattern</span><span class="p">,</span><span class="w"> </span><span class="kt">char</span><span class="w"> </span><span class="o">*</span><span class="n">path</span><span class="p">,</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">pager</span><span class="p">,</span>
<span class="w">			   </span><span class="kt">int</span><span class="w"> </span><span class="n">commit_graph</span><span class="p">);</span>
<span class="k">extern</span><span class="w"> </span><span class="kt">void</span><span class="w"> </span><span class="nf">show_commit_decorations</span><span class="p">(</span><span class="k">struct</span><span class="w"> </span><span class="nc">commit</span><span class="w"> </span><span class="o">*</span><span class="n">commit</span><span class="p">);</span>

<span class="cp">#endif </span><span class="cm">/* UI_LOG_H */</span>
</pre></div>
</code></pre></td></tr></table>
</div> <!-- class=content -->
<div class='footer'>generated by <a href='https://git.zx2c4.com/cgit/about/'>cgit v1.2.3-54-g00ecf</a> (<a href='https://git-scm.com/'>git 2.39.0</a>) at 2025-04-03 03:50:58 +0000</div>
</div> <!-- id=cgit -->
</body>
</html>
ff_options {
	const char *filter;
	const char *orderfile;
	const char *pickaxe;
	const char *single_follow;
	unsigned recursive:1,
		 tree_in_recursive:1,
		 binary:1,
		 text:1,
		 full_index:1,
		 silent_on_remove:1,
		 find_copies_harder:1,
		 color_diff:1,
		 color_diff_words:1;
	int context;
	int break_opt;
	int detect_rename;
	int line_termination;
	int output_format;
	int pickaxe_opts;
	int rename_score;
	int reverse_diff;
	int rename_limit;
	int setup;
	int abbrev;
	const char *msg_sep;
	const char *stat_sep;
	long xdl_opts;

	int stat_width;
	int stat_name_width;

	int nr_paths;
	const char **paths;
	int *pathlens;
	change_fn_t change;
	add_remove_fn_t add_remove;
	diff_format_fn_t format_callback;
	void *format_callback_data;
};

enum color_diff {
	DIFF_RESET = 0,
	DIFF_PLAIN = 1,
	DIFF_METAINFO = 2,
	DIFF_FRAGINFO = 3,
	DIFF_FILE_OLD = 4,
	DIFF_FILE_NEW = 5,
	DIFF_COMMIT = 6,
	DIFF_WHITESPACE = 7,
};


extern int diff_tree_sha1(const unsigned char *old, const unsigned char *new,
			  const char *base, struct diff_options *opt);

extern int diff_root_tree_sha1(const unsigned char *new, const char *base,
			       struct diff_options *opt);

extern int git_diff_ui_config(const char *var, const char *value);
extern void diff_setup(struct diff_options *);
extern int diff_opt_parse(struct diff_options *, const char **, int);
extern int diff_setup_done(struct diff_options *);


extern void diffcore_std(struct diff_options *);
extern void diff_flush(struct diff_options*);


/* diff-raw status letters */
#define DIFF_STATUS_ADDED		'A'
#define DIFF_STATUS_COPIED		'C'
#define DIFF_STATUS_DELETED		'D'
#define DIFF_STATUS_MODIFIED		'M'
#define DIFF_STATUS_RENAMED		'R'
#define DIFF_STATUS_TYPE_CHANGED	'T'
#define DIFF_STATUS_UNKNOWN		'X'
#define DIFF_STATUS_UNMERGED		'U'



/*
 * from git:refs.g
 */

typedef int each_ref_fn(const char *refname, const unsigned char *sha1, int flags, void *cb_data);
extern int head_ref(each_ref_fn, void *);
extern int for_each_ref(each_ref_fn, void *);
extern int for_each_tag_ref(each_ref_fn, void *);
extern int for_each_branch_ref(each_ref_fn, void *);
extern int for_each_remote_ref(each_ref_fn, void *);



/*
 * from git:revision.h
 */

struct rev_info;
struct log_info;

typedef void (prune_fn_t)(struct rev_info *revs, struct commit *commit);

struct rev_info {
	/* Starting list */
	struct commit_list *commits;
	struct object_array pending;

	/* Basic information */
	const char *prefix;
	void *prune_data;
	prune_fn_t *prune_fn;

	/* Traversal flags */
	unsigned int	dense:1,
			no_merges:1,
			no_walk:1,
			remove_empty_trees:1,
			simplify_history:1,
			lifo:1,
			topo_order:1,
			tag_objects:1,
			tree_objects:1,
			blob_objects:1,
			edge_hint:1,
			limited:1,
			unpacked:1, /* see also ignore_packed below */
			boundary:1,
			parents:1;

	/* Diff flags */
	unsigned int	diff:1,
			full_diff:1,
			show_root_diff:1,
			no_commit_id:1,
			verbose_header:1,
			ignore_merges:1,
			combine_merges:1,
			dense_combined_merges:1,
			always_show_header:1;

	/* Format info */
	unsigned int	shown_one:1,
			abbrev_commit:1,
			relative_date:1;

	const char **ignore_packed; /* pretend objects in these are unpacked */
	int num_ignore_packed;

	unsigned int	abbrev;
	enum cmit_fmt	commit_format;
	struct log_info *loginfo;
	int		nr, total;
	const char	*mime_boundary;
	const char	*message_id;
	const char	*ref_message_id;
	const char	*add_signoff;
	const char	*extra_headers;

	/* Filter by commit log message */
	struct grep_opt	*grep_filter;

	/* special limits */
	int max_count;
	unsigned long max_age;
	unsigned long min_age;

	/* diff info for patches and for paths limiting */
	struct diff_options diffopt;
	struct diff_options pruning;

	topo_sort_set_fn_t topo_setter;
	topo_sort_get_fn_t topo_getter;
};


extern void init_revisions(struct rev_info *revs, const char *prefix);
extern int setup_revisions(int argc, const char **argv, struct rev_info *revs, const char *def);
extern int handle_revision_arg(const char *arg, struct rev_info *revs,int flags,int cant_be_filename);

extern void prepare_revision_walk(struct rev_info *revs);
extern struct commit *get_revision(struct rev_info *revs);



/* from git:log-tree.h */

int log_tree_commit(struct rev_info *, struct commit *);



#endif /* GIT_H */