My dwm config.
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#include "IPCClient.h"
#include <string.h>
#include <sys/epoll.h>
#include "util.h"
IPCClient *
ipc_client_new(int fd)
{
IPCClient *c = (IPCClient *)malloc(sizeof(IPCClient));
if (c == NULL) return NULL;
// Initialize struct
memset(&c->event, 0, sizeof(struct epoll_event));
c->buffer_size = 0;
c->buffer = NULL;
c->fd = fd;
c->event.data.fd = fd;
c->next = NULL;
c->prev = NULL;
c->subscriptions = 0;
return c;
}
void
ipc_list_add_client(IPCClientList *list, IPCClient *nc)
{
DEBUG("Adding client with fd %d to list\n", nc->fd);
if (*list == NULL) {
// List is empty, point list at first client
*list = nc;
} else {
IPCClient *c;
// Go to last client in list
for (c = *list; c && c->next; c = c->next)
;
c->next = nc;
nc->prev = c;
}
}
void
ipc_list_remove_client(IPCClientList *list, IPCClient *c)
{
IPCClient *cprev = c->prev;
IPCClient *cnext = c->next;
if (cprev != NULL) cprev->next = c->next;
if (cnext != NULL) cnext->prev = c->prev;
if (c == *list) *list = c->next;
}
IPCClient *
ipc_list_get_client(IPCClientList list, int fd)
{
for (IPCClient *c = list; c; c = c->next) {
if (c->fd == fd) return c;
}
return NULL;
}