Files
systemd/src/basic/inotify-util.h
Yu Watanabe 9e15e24bdb inotify-util: drop to use pointer outside of the buffer
Hopefully fixes many Coverity issues.
2023-10-26 09:08:28 +02:00

37 lines
1.2 KiB
C

/* SPDX-License-Identifier: LGPL-2.1-or-later */
#pragma once
#include <inttypes.h>
#include <limits.h>
#include <stddef.h>
#include <sys/inotify.h>
#include "log.h"
#define INOTIFY_EVENT_MAX (offsetof(struct inotify_event, name) + NAME_MAX + 1)
/* This evaluates arguments multiple times */
#define FOREACH_INOTIFY_EVENT_FULL(e, buffer, sz, log_level) \
for (struct inotify_event *e = NULL; \
inotify_event_next(&buffer, sz, &e, log_level); )
#define FOREACH_INOTIFY_EVENT(e, buffer, sz) \
FOREACH_INOTIFY_EVENT_FULL(e, buffer, sz, LOG_DEBUG)
#define FOREACH_INOTIFY_EVENT_WARN(e, buffer, sz) \
FOREACH_INOTIFY_EVENT_FULL(e, buffer, sz, LOG_WARNING)
union inotify_event_buffer {
struct inotify_event ev;
uint8_t raw[INOTIFY_EVENT_MAX];
};
bool inotify_event_next(
union inotify_event_buffer *buffer,
size_t size,
struct inotify_event **iterator,
int log_level);
int inotify_add_watch_fd(int fd, int what, uint32_t mask);
int inotify_add_watch_and_warn(int fd, const char *pathname, uint32_t mask);