add a static buffer for dcc received data

increased buffersize might make irssi freeze less / #159

diff --git a/src/irc/dcc/dcc-get.c b/src/irc/dcc/dcc-get.c
index f7a95bb977635893fbfac42099b7b79a1f93746d..73c1b8648bcb19bc35787647316da7fa810d7782 100644 (file)
--- a/src/irc/dcc/dcc-get.c
+++ b/src/irc/dcc/dcc-get.c
@@ -30,6 +30,8 @@
 #include "dcc-get.h"
 #include "dcc-send.h"
 
+static char *dcc_get_recv_buffer;
+
 GET_DCC_REC *dcc_get_create(IRC_SERVER_REC *server, CHAT_DCC_REC *chat,
                                   const char *nick, const char *arg)
 {
@@ -139,14 +141,20 @@ static void sig_dccget_send(GET_DCC_REC *dcc)
                 dcc_get_send_received(dcc);
 }
 
+#define DCC_GET_RECV_BUFFER_SIZE 32768
+
 /* input function: DCC GET received data */
 static void sig_dccget_receive(GET_DCC_REC *dcc)
 {
-        char buffer[512];
        int ret;
 
+       if (dcc_get_recv_buffer == NULL) {
+               dcc_get_recv_buffer = g_malloc(DCC_GET_RECV_BUFFER_SIZE);
+       }
+
        for (;;) {
-               ret = net_receive(dcc->handle, buffer, sizeof(buffer));
+               ret = net_receive(dcc->handle, dcc_get_recv_buffer,
+                                 DCC_GET_RECV_BUFFER_SIZE);
                if (ret == 0) break;
 
                if (ret < 0) {
@@ -156,7 +164,7 @@ static void sig_dccget_receive(GET_DCC_REC *dcc)
                        return;
                }
 
-               if (write(dcc->fhandle, buffer, ret) != ret) {
+               if (write(dcc->fhandle, dcc_get_recv_buffer, ret) != ret) {
                        /* most probably out of disk space */
                        signal_emit("dcc error write", 2,
                                    dcc, g_strerror(errno));
@@ -596,4 +604,5 @@ void dcc_get_deinit(void)
        signal_remove("dcc destroyed", (SIGNAL_FUNC) sig_dcc_destroyed);
        signal_remove("ctcp msg dcc send", (SIGNAL_FUNC) ctcp_msg_dcc_send);
        command_unbind("dcc get", (SIGNAL_FUNC) cmd_dcc_get);
+       g_free_and_null(dcc_get_recv_buffer);
 }