From 82f142c0acc87e55373102687aa718effcbf7cb9 Mon Sep 17 00:00:00 2001
From: Dirk Engling <erdgeist@erdgeist.org>
Date: Sat, 20 Jan 2024 02:41:39 +0100
Subject: Remember lines that were printed during connect so they can be output
 in case of an error

---
 vchat-client.c   |  7 ++++++-
 vchat-protocol.c |  1 +
 vchat-ui.c       | 31 ++++++++++++++++++++++++++++---
 vchat.h          |  3 +++
 4 files changed, 38 insertions(+), 4 deletions(-)

diff --git a/vchat-client.c b/vchat-client.c
index a22df94..92d1905 100644
--- a/vchat-client.c
+++ b/vchat-client.c
@@ -343,8 +343,13 @@ void cleanup(int signal) {
   /* inform user if we where killed by signal */
   if (signal > 1) {
     fprintf(stderr, "vchat-client: terminated with signal %d.\n", signal);
-  } else if (errstr[0])
+    if (!loggedin)
+      dumpconnect();
+  } else if (errstr[0]) {
     fputs(errstr, stderr);
+    if (!loggedin)
+      dumpconnect();
+  }
   /* end of story */
   exit(0);
 }
diff --git a/vchat-protocol.c b/vchat-protocol.c
index ac65639..c5021e4 100644
--- a/vchat-protocol.c
+++ b/vchat-protocol.c
@@ -235,6 +235,7 @@ static void justloggedin(char *message) {
     loadcfg(getstroption(CF_LOGINSCRIPT), 0, handleline);
     handleline(".S");
     loggedin = 1;
+    flushconnect();
   }
 }
 
diff --git a/vchat-ui.c b/vchat-ui.c
index bb33287..185cad0 100644
--- a/vchat-ui.c
+++ b/vchat-ui.c
@@ -91,6 +91,7 @@ struct sb_data {
 static struct sb_data *sb_pub = NULL;
 static struct sb_data *sb_priv = NULL;
 static struct sb_data *sb_out = NULL;
+static struct sb_data *sb_connect = NULL;
 
 /* Tells, which window is active */
 static int sb_win = 0; /* 0 for pub, 1 for priv */
@@ -310,14 +311,18 @@ static void sb_flush(struct sb_data *sb) {
     now = tmp;
   }
   sb->entries = NULL;
+  sb->last = NULL;
+  sb->count = 0;
+  sb->scroll = 0;
 }
 
-/*static void
-sb_clear ( struct sb_data **sb ) {
+/*
+static void sb_clear ( struct sb_data **sb ) {
   sb_flush(*sb);
   free( *sb );
   *sb = NULL;
-}*/
+}
+*/
 
 static struct sb_entry *sb_add(struct sb_data *sb, const char *line,
                                time_t when) {
@@ -407,9 +412,27 @@ int writecf(formtstr id, char *str) {
   else
     consoleline(NULL);
 
+  if (!loggedin)
+    sb_add(sb_connect, str, now);
+
   return i;
 }
 
+void dumpconnect() {
+  struct sb_entry *now = sb_connect->entries, *prev = NULL, *tmp;
+  while (now) {
+    tmp = (struct sb_entry *)((unsigned long)prev ^ (unsigned long)now->link);
+    fputs(now->what, stderr);
+    fputc(10, stderr);
+    prev = now;
+    now = tmp;
+  }
+}
+
+void flushconnect() {
+  sb_flush(sb_connect);
+}
+
 int writepriv(char *str, int maybeep) {
   int i = 0;
   if (private) {
@@ -1222,6 +1245,7 @@ void initui(void) {
   /* Prepare our scrollback buffers */
   sb_pub = (struct sb_data *)malloc(sizeof(struct sb_data));
   sb_out = (struct sb_data *)malloc(sizeof(struct sb_data));
+  sb_connect = (struct sb_data *)malloc(sizeof(struct sb_data));
   if (privheight)
     sb_priv = (struct sb_data *)malloc(sizeof(struct sb_data));
   else
@@ -1230,6 +1254,7 @@ void initui(void) {
   memset(sb_pub, 0, sizeof(struct sb_data));
   memset(sb_priv, 0, sizeof(struct sb_data));
   memset(sb_out, 0, sizeof(struct sb_data));
+  memset(sb_connect, 0, sizeof(struct sb_data));
 
   /* set colors for windows */
   if (has_colors()) {
diff --git a/vchat.h b/vchat.h
index 412566a..3fdbb37 100644
--- a/vchat.h
+++ b/vchat.h
@@ -195,6 +195,9 @@ void flushout(void);
   }
 void hideout(void);
 int writecf(formtstr id, char *str);
+/*   dumps aggregated connect output in case of a connection error */
+void dumpconnect();
+void flushconnect();
 
 extern int outputcountdown;
 
-- 
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