constification

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

diff --git a/src/src/exim.c b/src/src/exim.c
index ff1aa49db56762a6192bf1132e4942d8ce0299d7..833045018cb352c20f65196420e894135c9ffb7e 100644 (file)
--- a/src/src/exim.c
+++ b/src/src/exim.c
@@ -150,12 +150,8 @@ pcre_mtc_ctx = pcre2_match_context_create(pcre_gen_ctx);
 *************************************************/
 
 /* This function runs a regular expression match, and sets up the pointers to
-the matched substrings.  The matched strings are copied.
-
-We might consider tracing the uses of expand_nstring to see if consitification
-is viable, and save the copy cost by just using the pointers into the subject string.
-Pre-pcre2 we did that without noticing, so it might just work - or might have been
-a bug. It was certainly a risk in the implemenation.
+the matched substrings.  The matched strings are copied so the lifetime of
+the subject is not a problem.
 
 Arguments:
   re          the compiled expression