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authorexplosion-mental <explosion0mental@gmail.com>2022-04-27 03:43:27 +0200
committerGitHub <noreply@github.com>2022-04-27 03:43:27 +0200
commitf9662efb1f522c1b554f789659d261a97a1918f5 (patch)
tree80107d052d8aeb68c9f4c3a874ce889f6040e562 /autoreload_inotify.c
parent29c6b1456e8bb46fbee0e8ea962553cb9f1230a3 (diff)
downloadnsxiv-f9662efb1f522c1b554f789659d261a97a1918f5.tar.zst
merge autoreload_{inotify,nop}.c into autoreload.c (#263)
Diffstat (limited to 'autoreload_inotify.c')
-rw-r--r--autoreload_inotify.c111
1 files changed, 0 insertions, 111 deletions
diff --git a/autoreload_inotify.c b/autoreload_inotify.c
deleted file mode 100644
index 87ce369..0000000
--- a/autoreload_inotify.c
+++ /dev/null
@@ -1,111 +0,0 @@
-/* Copyright 2017 Max Voit, Bert Muennich
- *
- * This file is a part of nsxiv.
- *
- * nsxiv is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published
- * by the Free Software Foundation; either version 2 of the License,
- * or (at your option) any later version.
- *
- * nsxiv is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with nsxiv. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include "nsxiv.h"
-
-#include <errno.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <sys/inotify.h>
-
-static union {
- char d[4096]; /* aligned buffer */
- struct inotify_event e;
-} buf;
-
-void arl_init(arl_t *arl)
-{
- arl->fd = inotify_init1(IN_CLOEXEC | IN_NONBLOCK);
- arl->wd_dir = arl->wd_file = -1;
- if (arl->fd == -1)
- error(0, 0, "Could not initialize inotify, no automatic image reloading");
-}
-
-CLEANUP void arl_cleanup(arl_t *arl)
-{
- if (arl->fd != -1)
- close(arl->fd);
- free(arl->filename);
-}
-
-static void rm_watch(int fd, int *wd)
-{
- if (*wd != -1) {
- inotify_rm_watch(fd, *wd);
- *wd = -1;
- }
-}
-
-static void add_watch(int fd, int *wd, const char *path, uint32_t mask)
-{
- *wd = inotify_add_watch(fd, path, mask);
- if (*wd == -1)
- error(0, errno, "inotify: %s", path);
-}
-
-void arl_setup(arl_t *arl, const char *filepath)
-{
- char *base = strrchr(filepath, '/');
-
- if (arl->fd == -1)
- return;
-
- rm_watch(arl->fd, &arl->wd_dir);
- rm_watch(arl->fd, &arl->wd_file);
-
- add_watch(arl->fd, &arl->wd_file, filepath, IN_CLOSE_WRITE | IN_DELETE_SELF);
-
- free(arl->filename);
- arl->filename = estrdup(filepath);
-
- if (base != NULL) {
- arl->filename[++base - filepath] = '\0';
- add_watch(arl->fd, &arl->wd_dir, arl->filename, IN_CREATE | IN_MOVED_TO);
- strcpy(arl->filename, base);
- }
-}
-
-bool arl_handle(arl_t *arl)
-{
- bool reload = false;
- char *ptr;
- const struct inotify_event *e;
-
- while (true) {
- ssize_t len = read(arl->fd, buf.d, sizeof(buf.d));
-
- if (len == -1) {
- if (errno == EINTR)
- continue;
- break;
- }
- for (ptr = buf.d; ptr < buf.d + len; ptr += sizeof(*e) + e->len) {
- e = (const struct inotify_event*) ptr;
- if (e->wd == arl->wd_file && (e->mask & IN_CLOSE_WRITE)) {
- reload = true;
- } else if (e->wd == arl->wd_file && (e->mask & IN_DELETE_SELF)) {
- rm_watch(arl->fd, &arl->wd_file);
- } else if (e->wd == arl->wd_dir && (e->mask & (IN_CREATE | IN_MOVED_TO))) {
- if (STREQ(e->name, arl->filename))
- reload = true;
- }
- }
- }
- return reload;
-}