From a1c33e346d4c36223faead5ab013ec59ffcd6176 Mon Sep 17 00:00:00 2001
From: Anders Holck <anders@holck.se>
Date: Fri, 1 May 2026 00:51:51 +0200
Subject: [PATCH] Fix WHOIS parsing (312/313/319), skip URL-only messages,
 suppress LLM refusals

- Find ':' before null-terminating in WHOIS handlers
- Add 313 (IRC Operator) handler
- Skip messages that are just URLs from translation
- Suppress LLM responses starting with 'I cannot'/'I can't'
---
 main.c | 27 ++++++++++++++++++++++-----
 1 file changed, 22 insertions(+), 5 deletions(-)

diff --git a/main.c b/main.c
index 5ea9416..29dbb7b 100644
--- a/main.c
+++ b/main.c
@@ -194,6 +194,12 @@ static int needs_translation(const char *text)
 	for (const char *p = text; *p; p++)
 		if (*p == ' ') words++;
 	if (words < 1 && strlen(text) < 6) return 0;
+	/* Skip messages that are just URLs */
+	if (strncmp(text, "http://", 7) == 0 || strncmp(text, "https://", 8) == 0) {
+		/* If no space after URL, it's just a link */
+		const char *sp = strchr(text, ' ');
+		if (!sp) return 0;
+	}
 
 	/* Pre-filter: if text contains common words from skip languages, skip */
 	static const struct { const char *lang; const char *words[33]; } lang_words[] = {
@@ -1007,23 +1013,23 @@ static void handle_line(char *line)
 		wprintf(WL_STATUS, "*** %s is %s@%s (%s)\n", wnick, wuser, whost, real);
 	} else if (strcmp(cmd, "319") == 0 && params) {
 		/* RPL_WHOISCHANNELS: <me> <nick> :<channels> */
+		char *chans = strchr(params, ':');
+		if (chans) chans++;
 		char *p = params;
 		char *sp = strchr(p, ' '); if (sp) p = sp + 1;
 		char *wnick = p;
 		sp = strchr(p, ' '); if (sp) *sp = '\0';
-		char *chans = strchr(params, ':');
-		if (chans) chans++;
 		wprintf(WL_STATUS, "*** %s on channels: %s\n", wnick, chans ? chans : "");
 	} else if (strcmp(cmd, "312") == 0 && params) {
 		/* RPL_WHOISSERVER: <me> <nick> <server> :<info> */
+		char *info = strchr(params, ':');
+		if (info) info++;
 		char *p = params;
 		char *sp = strchr(p, ' '); if (sp) p = sp + 1;
 		char *wnick = p;
 		sp = strchr(p, ' '); if (sp) { *sp = '\0'; p = sp + 1; }
 		char *server = p;
 		sp = strchr(p, ' '); if (sp) *sp = '\0';
-		char *info = strchr(params, ':');
-		if (info) info++;
 		wprintf(WL_STATUS, "*** %s on irc via server %s (%s)\n",
 		        wnick, server, info ? info : "");
 	} else if (strcmp(cmd, "317") == 0 && params) {
@@ -1049,6 +1055,15 @@ static void handle_line(char *line)
 		char *text = strchr(params, ':');
 		if (text) text++;
 		wprintf(WL_STATUS, "*** %s %s\n", wnick, text ? text : "");
+	} else if (strcmp(cmd, "313") == 0 && params) {
+		/* RPL_WHOISOPERATOR: <me> <nick> :<text> */
+		char *text = strchr(params, ':');
+		if (text) text++;
+		char *p = params;
+		char *sp = strchr(p, ' '); if (sp) p = sp + 1;
+		char *wnick = p;
+		sp = strchr(p, ' '); if (sp) *sp = '\0';
+		wprintf(WL_STATUS, "*** %s %s\n", wnick, text ? text : "is an IRC Operator");
 	} else if (strcmp(cmd, "318") == 0 && params) {
 		/* RPL_ENDOFWHOIS — suppress or show subtle */
 		wprintf(WL_STATUS, "*** End of WHOIS\n");
@@ -1574,7 +1589,9 @@ int main(int argc, char *argv[])
 
 					/* Also check old SKIP response */
 					if (strcasecmp(english, "SKIP") == 0 ||
-					    strncasecmp(english, "SKIP", 4) == 0)
+					    strncasecmp(english, "SKIP", 4) == 0 ||
+					    strncasecmp(english, "I cannot", 8) == 0 ||
+					    strncasecmp(english, "I can't", 7) == 0)
 						suppress = 1;
 
 					/* Suppress if English translation matches original */