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GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	usr.bin/tmux/hooks.c	Lines:	0	81	0.0 %
Date:	2016-12-06	Branches:	0	234	0.0 %


/* $OpenBSD: hooks.c,v 1.4 2015/12/16 21:50:37 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_PROTOTYPE(hooks_tree, hook, entry, hooks_cmp);
RB_GENERATE(hooks_tree, hook, entry, hooks_cmp);

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

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);
}

static void
hooks_emptyfn(struct cmd_q *hooks_cmdq)
{
	struct cmd_q	*cmdq = hooks_cmdq->data;

	if (cmdq != NULL) {
		if (hooks_cmdq->client_exit >= 0)
			cmdq->client_exit = hooks_cmdq->client_exit;
		if (!cmdq_free(cmdq))
			cmdq_continue(cmdq);
	}
	cmdq_free(hooks_cmdq);
}

int
hooks_run(struct hooks *hooks, struct client *c, struct cmd_find_state *fs,
    const char *fmt, ...)
{
	struct hook	*hook;
	struct cmd_q	*hooks_cmdq;
	va_list		 ap;
	char		*name;

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

	hook = hooks_find(hooks, name);
	if (hook == NULL) {
		free(name);
		return (-1);
	}
	log_debug("running hook %s", name);
	free(name);

	hooks_cmdq = cmdq_new(c);
	hooks_cmdq->flags |= CMD_Q_NOHOOKS;

	if (fs != NULL)
		cmd_find_copy_state(&hooks_cmdq->current, fs);
	hooks_cmdq->parent = NULL;

	cmdq_run(hooks_cmdq, hook->cmdlist, NULL);
	cmdq_free(hooks_cmdq);
	return (0);
}

int
hooks_wait(struct hooks *hooks, struct cmd_q *cmdq, struct cmd_find_state *fs,
    const char *fmt, ...)
{
	struct hook	*hook;
	struct cmd_q	*hooks_cmdq;
	va_list		 ap;
	char		*name;

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

	hook = hooks_find(hooks, name);
	if (hook == NULL) {
		free(name);
		return (-1);
	}
	log_debug("running hook %s (parent %p)", name, cmdq);
	free(name);

	hooks_cmdq = cmdq_new(cmdq->client);
	hooks_cmdq->flags |= CMD_Q_NOHOOKS;

	if (fs != NULL)
		cmd_find_copy_state(&hooks_cmdq->current, fs);
	hooks_cmdq->parent = cmdq;

	hooks_cmdq->emptyfn = hooks_emptyfn;
	hooks_cmdq->data = cmdq;

	if (cmdq != NULL)
		cmdq->references++;
	cmdq_run(hooks_cmdq, hook->cmdlist, NULL);
	return (0);
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: hooks.c,v 1.4 2015/12/16 21:50:37 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_PROTOTYPE(hooks_tree, hook, entry, hooks_cmp);
33			RB_GENERATE(hooks_tree, hook, entry, hooks_cmp);
34
35			static struct hook hooks_find1(struct hooks , const char *);
36			static void hooks_free1(struct hooks , struct hook );
37			static void hooks_emptyfn(struct cmd_q *);
38
39			static int
40			hooks_cmp(struct hook hook1, struct hook hook2)
41			{
42			return (strcmp(hook1->name, hook2->name));
43			}
44
45			struct hooks *
46			hooks_get(struct session *s)
47			{
48			if (s != NULL)
49			return (s->hooks);
50			return (global_hooks);
51			}
52
53			struct hooks *
54			hooks_create(struct hooks *parent)
55			{
56			struct hooks *hooks;
57
58			hooks = xcalloc(1, sizeof *hooks);
59			RB_INIT(&hooks->tree);
60			hooks->parent = parent;
61			return (hooks);
62			}
63
64			static void
65			hooks_free1(struct hooks hooks, struct hook hook)
66			{
67			RB_REMOVE(hooks_tree, &hooks->tree, hook);
68			cmd_list_free(hook->cmdlist);
69			free((char *)hook->name);
70			free(hook);
71			}
72
73			void
74			hooks_free(struct hooks *hooks)
75			{
76			struct hook hook, hook1;
77
78			RB_FOREACH_SAFE(hook, hooks_tree, &hooks->tree, hook1)
79			hooks_free1(hooks, hook);
80			free(hooks);
81			}
82
83			struct hook *
84			hooks_first(struct hooks *hooks)
85			{
86			return (RB_MIN(hooks_tree, &hooks->tree));
87			}
88
89			struct hook *
90			hooks_next(struct hook *hook)
91			{
92			return (RB_NEXT(hooks_tree, &hooks->tree, hook));
93			}
94
95			void
96			hooks_add(struct hooks hooks, const char name, struct cmd_list *cmdlist)
97			{
98			struct hook *hook;
99
100			if ((hook = hooks_find1(hooks, name)) != NULL)
101			hooks_free1(hooks, hook);
102
103			hook = xcalloc(1, sizeof *hook);
104			hook->name = xstrdup(name);
105			hook->cmdlist = cmdlist;
106			hook->cmdlist->references++;
107			RB_INSERT(hooks_tree, &hooks->tree, hook);
108			}
109
110			void
111			hooks_remove(struct hooks hooks, const char name)
112			{
113			struct hook *hook;
114
115			if ((hook = hooks_find1(hooks, name)) != NULL)
116			hooks_free1(hooks, hook);
117			}
118
119			static struct hook *
120			hooks_find1(struct hooks hooks, const char name)
121			{
122			struct hook hook;
123
124			hook.name = name;
125			return (RB_FIND(hooks_tree, &hooks->tree, &hook));
126			}
127
128			struct hook *
129			hooks_find(struct hooks hooks, const char name)
130			{
131			struct hook hook0, *hook;
132
133			hook0.name = name;
134			hook = RB_FIND(hooks_tree, &hooks->tree, &hook0);
135			while (hook == NULL) {
136			hooks = hooks->parent;
137			if (hooks == NULL)
138			break;
139			hook = RB_FIND(hooks_tree, &hooks->tree, &hook0);
140			}
141			return (hook);
142			}
143
144			static void
145			hooks_emptyfn(struct cmd_q *hooks_cmdq)
146			{
147			struct cmd_q *cmdq = hooks_cmdq->data;
148
149			if (cmdq != NULL) {
150			if (hooks_cmdq->client_exit >= 0)
151			cmdq->client_exit = hooks_cmdq->client_exit;
152			if (!cmdq_free(cmdq))
153			cmdq_continue(cmdq);
154			}
155			cmdq_free(hooks_cmdq);
156			}
157
158			int
159			hooks_run(struct hooks hooks, struct client c, struct cmd_find_state *fs,
160			const char *fmt, ...)
161			{
162			struct hook *hook;
163			struct cmd_q *hooks_cmdq;
164			va_list ap;
165			char *name;
166
167			va_start(ap, fmt);
168			xvasprintf(&name, fmt, ap);
169			va_end(ap);
170
171			hook = hooks_find(hooks, name);
172			if (hook == NULL) {
173			free(name);
174			return (-1);
175			}
176			log_debug("running hook %s", name);
177			free(name);
178
179			hooks_cmdq = cmdq_new(c);
180			hooks_cmdq->flags \|= CMD_Q_NOHOOKS;
181
182			if (fs != NULL)
183			cmd_find_copy_state(&hooks_cmdq->current, fs);
184			hooks_cmdq->parent = NULL;
185
186			cmdq_run(hooks_cmdq, hook->cmdlist, NULL);
187			cmdq_free(hooks_cmdq);
188			return (0);
189			}
190
191			int
192			hooks_wait(struct hooks hooks, struct cmd_q cmdq, struct cmd_find_state *fs,
193			const char *fmt, ...)
194			{
195			struct hook *hook;
196			struct cmd_q *hooks_cmdq;
197			va_list ap;
198			char *name;
199
200			va_start(ap, fmt);
201			xvasprintf(&name, fmt, ap);
202			va_end(ap);
203
204			hook = hooks_find(hooks, name);
205			if (hook == NULL) {
206			free(name);
207			return (-1);
208			}
209			log_debug("running hook %s (parent %p)", name, cmdq);
210			free(name);
211
212			hooks_cmdq = cmdq_new(cmdq->client);
213			hooks_cmdq->flags \|= CMD_Q_NOHOOKS;
214
215			if (fs != NULL)
216			cmd_find_copy_state(&hooks_cmdq->current, fs);
217			hooks_cmdq->parent = cmdq;
218
219			hooks_cmdq->emptyfn = hooks_emptyfn;
220			hooks_cmdq->data = cmdq;
221
222			if (cmdq != NULL)
223			cmdq->references++;
224			cmdq_run(hooks_cmdq, hook->cmdlist, NULL);
225			return (0);
226			}