Convert more cases of list-walking to use self-assigned memory for the list-item

[exim.git] / src / src / string.c

diff --git a/src/src/string.c b/src/src/string.c
index 53ff0a8343bf240f2e19980994e02d02e26d5bb1..4726fbe4e30e0de5b7fa5256dd4c10a6199d1dbd 100644 (file)
--- a/src/src/string.c
+++ b/src/src/string.c
@@ -858,6 +858,9 @@ Arguments:
   separator  a pointer to the separator character in an int (see above)
   buffer     where to put a copy of the next string in the list; or
                NULL if the next string is returned in new memory
+            Note that if the list is tainted then a provided buffer must be
+            also (else we trap, with a message referencing the callsite).
+            If we do the allocation, taint is handled there.
   buflen     when buffer is not NULL, the size of buffer; otherwise ignored
 
 Returns:     pointer to buffer, containing the next substring,