(and sometimes lunatic messages can have ones that are 100s of K long) we
call store_release() for strings that have been copied - if the string is at
the start of a block (and therefore the only thing in it, because we aren't
- doing any other gets), the block gets freed. We can only do this because we
- know there are no other calls to store_get() going on. */
+ doing any other gets), the block gets freed. We can only do this release if
+ there were no allocations since the once that we want to free. */
if (ptr >= header_size - 4)
{
header_size *= 2;
if (!store_extend(next->text, oldsize, header_size))
{
+ BOOL release_ok = store_last_get[store_pool] == next->text;
uschar *newtext = store_get(header_size);
memcpy(newtext, next->text, ptr);
- store_release(next->text);
+ if (release_ok) store_release(next->text);
next->text = newtext;
}
}
NOTE: If ever the format of message ids is changed, the regular expression for
checking that a string is in this format must be updated in a corresponding
way. It appears in the initializing code in exim.c. The macro MESSAGE_ID_LENGTH
-must also be changed to reflect the correct string length. Then, of course,
-other programs that rely on the message id format will need updating too. */
+must also be changed to reflect the correct string length. The queue-sort code
+needs to know the layout. Then, of course, other programs that rely on the
+message id format will need updating too. */
Ustrncpy(message_id, string_base62((long int)(message_id_tv.tv_sec)), 6);
message_id[6] = '-';