diff options
| -rw-r--r-- | command.c | 43 |
1 files changed, 40 insertions, 3 deletions
diff --git a/command.c b/command.c index e06c2a0..9341310 100644 --- a/command.c +++ b/command.c @@ -14,6 +14,7 @@ * along with this program. If not, see <https://www.gnu.org/licenses/>. */ +#include <assert.h> #include <ctype.h> #include <stdio.h> #include <stdlib.h> @@ -52,12 +53,48 @@ static void echoMessage(char *cmd, uint id, char *params) { handle(msg); } +static void splitMessage(char *cmd, uint id, char *params) { + if (!params) return; + // FIXME: Get USERLEN, HOSTLEN from ISUPPORT and assume worst case if + // self.user and self.host are unset? + const char *nick = self.nick; + const char *user = (self.user ? self.user : "*"); + const char *host = (self.host ? self.host : "*"); + int overhead = snprintf( + NULL, 0, ":%s!%s@%s %s %s :\r\n", + nick, user, host, cmd, idNames[id] + ); + assert(overhead > 0 && overhead < 512); + int chunk = 512 - overhead; + if (strlen(params) <= (size_t)chunk) { + echoMessage(cmd, id, params); + return; + } + + while (*params) { + int len = 0; + for (int n = 0; len + n <= chunk; len += n) { + n = mblen(¶ms[len], 1 + strlen(¶ms[len])); + if (n < 0) { + n = 1; + mblen(NULL, 0); + } + if (!n) break; + } + char ch = params[len]; + params[len] = '\0'; + echoMessage(cmd, id, params); + params[len] = ch; + params += len; + } +} + static void commandPrivmsg(uint id, char *params) { - echoMessage("PRIVMSG", id, params); + splitMessage("PRIVMSG", id, params); } static void commandNotice(uint id, char *params) { - echoMessage("NOTICE", id, params); + splitMessage("NOTICE", id, params); } static void commandMe(uint id, char *params) { @@ -68,7 +105,7 @@ static void commandMe(uint id, char *params) { static void commandMsg(uint id, char *params) { id = idFor(strsep(¶ms, " ")); - echoMessage("PRIVMSG", id, params); + splitMessage("PRIVMSG", id, params); } static void commandJoin(uint id, char *params) { |