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Code Issues Releases Activity

enable persistent view of irc messages (#362)

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* remove path from libirc-include

* feature: irc: possibly show last n lines persistently instead of all lines said since last time

* irc: add overflow-check, for case when no newmsg's ->next is NULL
This commit is contained in:
deep-42-thought 2017-02-02 20:25:59 +01:00 committed by Brenden Matthews
parent c6ef3ba5e7
commit e84ca1f966
3 changed files with 39 additions and 8 deletions
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2
cmake/ConkyPlatformChecks.cmake
View File

@ -95,7 +95,7 @@ if(BUILD_ICAL)
endif(BUILD_ICAL)
if(BUILD_IRC)
check_include_files(libircclient/libircclient.h IRC_H_)
check_include_files(libircclient.h IRC_H_)
if(NOT IRC_H_)
message(FATAL_ERROR "Unable to find libircclient")
endif(NOT IRC_H_)

5
doc/variables.xml
View File

@ -1758,11 +1758,12 @@
<command>
<option>irc</option>
</command>
<option>server(:port) #channel</option>
<option>server(:port) #channel (max_msg_lines)</option>
</term>
<listitem>Shows everything that's being told in #channel on IRCserver
'server'. TCP-port 6667 is used for the connection unless 'port' is
specified.
specified. Shows everything since the last time or the last
'max_msg_lines' entries if specified.
<para /></listitem>
</varlistentry>
<varlistentry>

34
src/irc.cc
View File

@ -29,7 +29,7 @@
#include <stdlib.h>
#include <string.h>
#include "text_object.h"
#include <libircclient/libircclient.h>
#include <libircclient.h>
struct ll_text {
char *text;
@ -44,6 +44,7 @@ struct obj_irc {
struct ctx {
char *chan;
int max_msg_lines;
struct ll_text *messages;
};
@ -61,14 +62,34 @@ void addmessage(struct ctx *ctxptr, char *nick, const char *text) {
newmsg->text = (char*) malloc(strlen(nick) + strlen(text) + 4); //4 = ": \n"
sprintf(newmsg->text, "%s: %s\n", nick, text);
newmsg->next = NULL;
int msgcnt = 1;
if(!lastmsg) {
ctxptr->messages = newmsg;
} else {
msgcnt++;
while(lastmsg->next) {
lastmsg = lastmsg->next;
msgcnt++;
if(msgcnt<0) {
NORM_ERR("irc: too many messages, discarding the last one.");
free(newmsg->text);
free(newmsg);
return;
}
}
lastmsg->next = newmsg;
}
if(ctxptr->max_msg_lines>0) {
newmsg = ctxptr->messages;
msgcnt -= ctxptr->max_msg_lines;
while((msgcnt>0) && (ctxptr->messages)) {
msgcnt--;
newmsg = ctxptr->messages->next;
free(ctxptr->messages->text);
free(ctxptr->messages);
ctxptr->messages = newmsg;
}
}
}
void ev_talkinchan(irc_session_t *session, const char *event, const char *origin, const char **params, unsigned int count) {
@ -95,7 +116,7 @@ void ev_num(irc_session_t *session, unsigned int event, const char *origin, cons
if(origin || count) {} //fix gcc warnings
}
#define IRCSYNTAX "The correct syntax is ${irc server(:port) #channel}"
#define IRCSYNTAX "The correct syntax is ${irc server(:port) #channel (max_msg_lines)}"
#define IRCPORT 6667
#define IRCNICK "conky"
#define IRCSERVERPASS NULL
@ -108,6 +129,7 @@ void *ircclient(void *ptr) {
irc_callbacks_t callbacks;
char *server;
char *strport;
char *str_max_msg_lines;
unsigned int port;
memset (&callbacks, 0, sizeof(callbacks));
@ -120,6 +142,10 @@ void *ircclient(void *ptr) {
if( ! ctxptr->chan) {
NORM_ERR("irc: %s", IRCSYNTAX);
}
str_max_msg_lines = strtok(NULL, " ");
if(str_max_msg_lines) {
ctxptr->max_msg_lines = strtol(str_max_msg_lines, NULL, 10);
}
ctxptr->messages = NULL;
irc_set_ctx(ircobj->session, ctxptr);
server = strtok(server, ":");
@ -169,14 +195,18 @@ void print_irc(struct text_object *obj, char *p, int p_max_size) {
while(curmsg) {
nextmsg = curmsg->next;
strncat(p, curmsg->text, p_max_size - strlen(p) - 1);
if(!ctxptr->max_msg_lines) {
free(curmsg->text);
free(curmsg);
}
curmsg = nextmsg;
}
if(p[0] != 0) {
p[strlen(p) - 1] = 0;
}
if(!ctxptr->max_msg_lines) {
ctxptr->messages = NULL;
}
}
void free_irc(struct text_object *obj) {