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GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	usr.bin/tmux/hooks.c	Lines:	4	70	5.7 %
Date:	2017-11-07	Branches:	0	184	0.0 %


/* $OpenBSD: hooks.c,v 1.9 2016/10/16 19:36:37 nicm Exp $ */

/*
 * Copyright (c) 2012 Thomas Adam <thomas@xteddy.org>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
 * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include <sys/types.h>

#include <stdlib.h>
#include <string.h>

#include "tmux.h"

struct hooks {
	RB_HEAD(hooks_tree, hook) tree;
	struct hooks	*parent;
};

static int	hooks_cmp(struct hook *, struct hook *);
RB_GENERATE_STATIC(hooks_tree, hook, entry, hooks_cmp);

static struct hook	*hooks_find1(struct hooks *, const char *);
static void		 hooks_free1(struct hooks *, struct hook *);

static int
hooks_cmp(struct hook *hook1, struct hook *hook2)
{
	return (strcmp(hook1->name, hook2->name));
}

struct hooks *
hooks_get(struct session *s)
{
	if (s != NULL)
		return (s->hooks);
	return (global_hooks);
}

struct hooks *
hooks_create(struct hooks *parent)
{
	struct hooks	*hooks;

	hooks = xcalloc(1, sizeof *hooks);
	RB_INIT(&hooks->tree);
	hooks->parent = parent;
	return (hooks);
}

static void
hooks_free1(struct hooks *hooks, struct hook *hook)
{
	RB_REMOVE(hooks_tree, &hooks->tree, hook);
	cmd_list_free(hook->cmdlist);
	free((char *)hook->name);
	free(hook);
}

void
hooks_free(struct hooks *hooks)
{
	struct hook	*hook, *hook1;

	RB_FOREACH_SAFE(hook, hooks_tree, &hooks->tree, hook1)
		hooks_free1(hooks, hook);
	free(hooks);
}

struct hook *
hooks_first(struct hooks *hooks)
{
	return (RB_MIN(hooks_tree, &hooks->tree));
}

struct hook *
hooks_next(struct hook *hook)
{
	return (RB_NEXT(hooks_tree, &hooks->tree, hook));
}

void
hooks_add(struct hooks *hooks, const char *name, struct cmd_list *cmdlist)
{
	struct hook	*hook;

	if ((hook = hooks_find1(hooks, name)) != NULL)
		hooks_free1(hooks, hook);

	hook = xcalloc(1, sizeof *hook);
	hook->name = xstrdup(name);
	hook->cmdlist = cmdlist;
	hook->cmdlist->references++;
	RB_INSERT(hooks_tree, &hooks->tree, hook);
}

void
hooks_remove(struct hooks *hooks, const char *name)
{
	struct hook	*hook;

	if ((hook = hooks_find1(hooks, name)) != NULL)
		hooks_free1(hooks, hook);
}

static struct hook *
hooks_find1(struct hooks *hooks, const char *name)
{
	struct hook	hook;

	hook.name = name;
	return (RB_FIND(hooks_tree, &hooks->tree, &hook));
}

struct hook *
hooks_find(struct hooks *hooks, const char *name)
{
	struct hook	 hook0, *hook;

	hook0.name = name;
	hook = RB_FIND(hooks_tree, &hooks->tree, &hook0);
	while (hook == NULL) {
		hooks = hooks->parent;
		if (hooks == NULL)
			break;
		hook = RB_FIND(hooks_tree, &hooks->tree, &hook0);
	}
	return (hook);
}

void
hooks_run(struct hooks *hooks, struct client *c, struct cmd_find_state *fs,
    const char *fmt, ...)
{
	struct hook		*hook;
	va_list			 ap;
	char			*name;
	struct cmdq_item	*new_item;

	va_start(ap, fmt);
	xvasprintf(&name, fmt, ap);
	va_end(ap);

	hook = hooks_find(hooks, name);
	if (hook == NULL) {
		free(name);
		return;
	}
	log_debug("running hook %s", name);

	new_item = cmdq_get_command(hook->cmdlist, fs, NULL, CMDQ_NOHOOKS);
	cmdq_format(new_item, "hook", "%s", name);
	cmdq_append(c, new_item);

	free(name);
}

void
hooks_insert(struct hooks *hooks, struct cmdq_item *item,
    struct cmd_find_state *fs, const char *fmt, ...)
{
	struct hook		*hook;
	va_list			 ap;
	char			*name;
	struct cmdq_item	*new_item;

	if (item->flags & CMDQ_NOHOOKS)
		return;

	va_start(ap, fmt);
	xvasprintf(&name, fmt, ap);
	va_end(ap);

	hook = hooks_find(hooks, name);
	if (hook == NULL) {
		free(name);
		return;
	}
	log_debug("running hook %s (parent %p)", name, item);

	new_item = cmdq_get_command(hook->cmdlist, fs, NULL, CMDQ_NOHOOKS);
	cmdq_format(new_item, "hook", "%s", name);
	if (item != NULL)
		cmdq_insert_after(item, new_item);
	else
		cmdq_append(NULL, new_item);

	free(name);
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: hooks.c,v 1.9 2016/10/16 19:36:37 nicm Exp $ */
2
3			/*
4			* Copyright (c) 2012 Thomas Adam <thomas@xteddy.org>
5			*
6			* Permission to use, copy, modify, and distribute this software for any
7			* purpose with or without fee is hereby granted, provided that the above
8			* copyright notice and this permission notice appear in all copies.
9			*
10			* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11			* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12			* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13			* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14			* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
15			* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
16			* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17			*/
18
19			#include <sys/types.h>
20
21			#include <stdlib.h>
22			#include <string.h>
23
24			#include "tmux.h"
25
26			struct hooks {
27			RB_HEAD(hooks_tree, hook) tree;
28			struct hooks *parent;
29			};
30
31			static int hooks_cmp(struct hook , struct hook );
32			RB_GENERATE_STATIC(hooks_tree, hook, entry, hooks_cmp);
33
34			static struct hook hooks_find1(struct hooks , const char *);
35			static void hooks_free1(struct hooks , struct hook );
36
37			static int
38			hooks_cmp(struct hook hook1, struct hook hook2)
39			{
40			return (strcmp(hook1->name, hook2->name));
41			}
42
43			struct hooks *
44			hooks_get(struct session *s)
45			{
46			if (s != NULL)
47			return (s->hooks);
48			return (global_hooks);
49			}
50
51			struct hooks *
52			hooks_create(struct hooks *parent)
53			{
54			struct hooks *hooks;
55
56		12	hooks = xcalloc(1, sizeof *hooks);
57		6	RB_INIT(&hooks->tree);
58		6	hooks->parent = parent;
59		6	return (hooks);
60			}
61
62			static void
63			hooks_free1(struct hooks hooks, struct hook hook)
64			{
65			RB_REMOVE(hooks_tree, &hooks->tree, hook);
66			cmd_list_free(hook->cmdlist);
67			free((char *)hook->name);
68			free(hook);
69			}
70
71			void
72			hooks_free(struct hooks *hooks)
73			{
74			struct hook hook, hook1;
75
76			RB_FOREACH_SAFE(hook, hooks_tree, &hooks->tree, hook1)
77			hooks_free1(hooks, hook);
78			free(hooks);
79			}
80
81			struct hook *
82			hooks_first(struct hooks *hooks)
83			{
84			return (RB_MIN(hooks_tree, &hooks->tree));
85			}
86
87			struct hook *
88			hooks_next(struct hook *hook)
89			{
90			return (RB_NEXT(hooks_tree, &hooks->tree, hook));
91			}
92
93			void
94			hooks_add(struct hooks hooks, const char name, struct cmd_list *cmdlist)
95			{
96			struct hook *hook;
97
98			if ((hook = hooks_find1(hooks, name)) != NULL)
99			hooks_free1(hooks, hook);
100
101			hook = xcalloc(1, sizeof *hook);
102			hook->name = xstrdup(name);
103			hook->cmdlist = cmdlist;
104			hook->cmdlist->references++;
105			RB_INSERT(hooks_tree, &hooks->tree, hook);
106			}
107
108			void
109			hooks_remove(struct hooks hooks, const char name)
110			{
111			struct hook *hook;
112
113			if ((hook = hooks_find1(hooks, name)) != NULL)
114			hooks_free1(hooks, hook);
115			}
116
117			static struct hook *
118			hooks_find1(struct hooks hooks, const char name)
119			{
120			struct hook hook;
121
122			hook.name = name;
123			return (RB_FIND(hooks_tree, &hooks->tree, &hook));
124			}
125
126			struct hook *
127			hooks_find(struct hooks hooks, const char name)
128			{
129			struct hook hook0, *hook;
130
131			hook0.name = name;
132			hook = RB_FIND(hooks_tree, &hooks->tree, &hook0);
133			while (hook == NULL) {
134			hooks = hooks->parent;
135			if (hooks == NULL)
136			break;
137			hook = RB_FIND(hooks_tree, &hooks->tree, &hook0);
138			}
139			return (hook);
140			}
141
142			void
143			hooks_run(struct hooks hooks, struct client c, struct cmd_find_state *fs,
144			const char *fmt, ...)
145			{
146			struct hook *hook;
147			va_list ap;
148			char *name;
149			struct cmdq_item *new_item;
150
151			va_start(ap, fmt);
152			xvasprintf(&name, fmt, ap);
153			va_end(ap);
154
155			hook = hooks_find(hooks, name);
156			if (hook == NULL) {
157			free(name);
158			return;
159			}
160			log_debug("running hook %s", name);
161
162			new_item = cmdq_get_command(hook->cmdlist, fs, NULL, CMDQ_NOHOOKS);
163			cmdq_format(new_item, "hook", "%s", name);
164			cmdq_append(c, new_item);
165
166			free(name);
167			}
168
169			void
170			hooks_insert(struct hooks hooks, struct cmdq_item item,
171			struct cmd_find_state fs, const char fmt, ...)
172			{
173			struct hook *hook;
174			va_list ap;
175			char *name;
176			struct cmdq_item *new_item;
177
178			if (item->flags & CMDQ_NOHOOKS)
179			return;
180
181			va_start(ap, fmt);
182			xvasprintf(&name, fmt, ap);
183			va_end(ap);
184
185			hook = hooks_find(hooks, name);
186			if (hook == NULL) {
187			free(name);
188			return;
189			}
190			log_debug("running hook %s (parent %p)", name, item);
191
192			new_item = cmdq_get_command(hook->cmdlist, fs, NULL, CMDQ_NOHOOKS);
193			cmdq_format(new_item, "hook", "%s", name);
194			if (item != NULL)
195			cmdq_insert_after(item, new_item);
196			else
197			cmdq_append(NULL, new_item);
198
199			free(name);
200			}