Header-wrap expansion. Bug 2843

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

diff --git a/src/src/malware.c b/src/src/malware.c
index 8b5ec27c40f795a9e6502c3552fa8c6f765b998a..f36c46b0f545e684f6fcb01a20ee478de9b472ab 100644 (file)
--- a/src/src/malware.c
+++ b/src/src/malware.c
@@ -6,6 +6,7 @@
  * Copyright (c) The Exim Maintainers 2015 - 2022
  * Copyright (c) Tom Kistner <tom@duncanthrax.net> 2003 - 2015
  * License: GPL
+ * SPDX-License-Identifier: GPL-2.0-or-later
  */
 
 /* Code for calling virus (malware) scanners. Called from acl.c. */
@@ -310,13 +311,16 @@ m_pcre_exec(const pcre2_code * cre, uschar * text)
 {
 pcre2_match_data * md = pcre2_match_data_create(2, pcre_gen_ctx);
 int i = pcre2_match(cre, text, PCRE2_ZERO_TERMINATED, 0, 0, md, pcre_gen_mtc_ctx);
-PCRE2_UCHAR * substr = NULL;
-PCRE2_SIZE slen;
+uschar * substr = NULL;
 
 if (i >= 2)                            /* Got it */
-  pcre2_substring_get_bynumber(md, 1, &substr, &slen); /* uses same ctx as md */
+  {
+  PCRE2_SIZE * ovec = pcre2_get_ovector_pointer(md);
+  int len = ovec[3] - ovec[2];
+  substr = string_copyn(text + ovec[2], len);
+  }
 /* pcre2_match_data_free(md);  gen ctx needs no free */
-return US substr;
+return substr;
 }
 
 static const pcre2_code *