fix possible crash on user deletion

[srvx.git] / src / helpfile.c

diff --git a/src/helpfile.c b/src/helpfile.c
index b4ceb05bd81514cac9cade01cea1bdca33cb04ac..aaf0d80ab961eed5048225f3d241f536ff4a106b 100644 (file)
--- a/src/helpfile.c
+++ b/src/helpfile.c
@@ -394,7 +394,7 @@ vsend_message(const char *dest, struct userNode *src, struct handle_info *handle
     void (*irc_send)(struct userNode *from, const char *to, const char *msg);
     static struct string_buffer input;
     unsigned int size, ipos, pos, length, chars_sent, use_color;
-    unsigned int expand_pos, expand_ipos, newline_ipos;
+    unsigned int expand_ipos, newline_ipos;
     char line[MAX_LINE_SIZE];
 
     if (IsChannelName(dest) || *dest == '$') {
@@ -448,7 +448,7 @@ vsend_message(const char *dest, struct userNode *src, struct handle_info *handle
      * that requires a very big intermediate buffer.
      */
     expand_ipos = newline_ipos = ipos = 0;
-    expand_pos = pos = 0;
+    pos = 0;
     chars_sent = 0;
     while (input.list[ipos]) {
         char ch, *value, *free_value;
@@ -536,9 +536,18 @@ vsend_message(const char *dest, struct userNode *src, struct handle_info *handle
         case 's':
             value = self->name;
             break;
-        case 'H':
+        case 'A':
             value = handle ? handle->handle : "Account";
             break;
+        case 'U':
+            value = message_dest ? message_dest->nick : "Nick";
+            break;
+        case 'I':
+            value = message_dest ? (IsFakeIdent(message_dest) ? message_dest->fakeident : message_dest->ident) : "Ident";
+            break;
+        case 'H':
+            value = message_dest ? (IsFakeHost(message_dest) ? message_dest->fakehost : message_dest->hostname) : "Hostname";
+            break;
 #define SEND_LINE(TRUNCED) do { \
     line[pos] = 0; \
     if (pos > 0) { \
@@ -648,12 +657,10 @@ vsend_message(const char *dest, struct userNode *src, struct handle_info *handle
             free(free_value);
         pos += length;
         if ((pos < size-1) && input.list[ipos]) {
-            expand_pos = pos;
             expand_ipos = ipos;
             continue;
         }
       send_line:
-        expand_pos = pos;
         expand_ipos = ipos;
         SEND_LINE(0);
 #undef SEND_LINE