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