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/* 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)
#define _FOREACH_INOTIFY_EVENT(e, buffer, sz, log_level, start, end) \
for (struct inotify_event \
*start = &((buffer).ev), \
*end = (struct inotify_event*) ((uint8_t*) start + (sz)), \
*e = start; \
(size_t) ((uint8_t*) end - (uint8_t*) e) >= sizeof(struct inotify_event) && \
((size_t) ((uint8_t*) end - (uint8_t*) e) >= sizeof(struct inotify_event) + e->len || \
(log_full(log_level, "Received invalid inotify event, ignoring."), false)); \
e = (struct inotify_event*) ((uint8_t*) e + sizeof(struct inotify_event) + e->len))
#define _FOREACH_INOTIFY_EVENT_FULL(e, buffer, sz, log_level) \
_FOREACH_INOTIFY_EVENT(e, buffer, sz, log_level, UNIQ_T(start, UNIQ), UNIQ_T(end, UNIQ))
#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];
};
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);
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