[exim-cvs] Release unused memory in parse_quote_2047()

Gitweb: https://git.exim.org/exim.git/commitdiff/63c4307e5873801eaed051ef258d90a52a7d19e7

Commit:     63c4307e5873801eaed051ef258d90a52a7d19e7
Parent:     99ea5f6faeaf714e34bbcd75fdc50cc94dc7a1c8
Author:     Jeremy Harris <jgh146exb@???>
AuthorDate: Fri Jul 10 22:49:56 2020 +0100
Committer:  Jeremy Harris <jgh146exb@???>
CommitDate: Fri Jul 10 22:49:56 2020 +0100

    Release unused memory in parse_quote_2047()
---
 src/src/parse.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/src/parse.c b/src/src/parse.c
index acece9b..2b2ffd3 100644
--- a/src/src/parse.c
+++ b/src/src/parse.c
@@ -904,8 +904,13 @@ for (s = string; len > 0; s++, len--)
     { g = string_catn(g, s, 1); first_byte = FALSE; }
   }

-g = string_catn(g, US"?=", 2);
-return coded ? string_from_gstring(g) : string;
+if (coded)
+ string = string_from_gstring(g = string_catn(g, US"?=", 2));
+else
+ g->ptr = -1;
+
+gstring_release_unused(g);
+return string;
}