GnuTLS: fix build with older library versions

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

diff --git a/src/exim_monitor/em_log.c b/src/exim_monitor/em_log.c
index 348f0642f4854d97a25266fc02fae9af58484eba..d9b2a7933662718a14997a21155ab4618ba396cb 100644 (file)
--- a/src/exim_monitor/em_log.c
+++ b/src/exim_monitor/em_log.c
@@ -3,6 +3,7 @@
 *************************************************/
 
 /* Copyright (c) University of Cambridge 1995 - 2018 */
+/* Copyright (c) The Exim Maintainters 2021 */
 /* See the file NOTICE for conditions of use and distribution. */
 
 /* This module contains code for scanning the main log,
@@ -229,7 +230,7 @@ if (LOG != NULL)
     uschar *p = buffer;
     rmark reset_point;
     int length = Ustrlen(buffer);
-    int i;
+    pcre2_match_data * md = pcre2_match_data_create(1, NULL);
 
     /* Skip totally blank lines (paranoia: there shouldn't be any) */
 
@@ -246,27 +247,25 @@ if (LOG != NULL)
     stripchart is the queue length, which is handled elsewhere, and the
     1st may the a size monitor. */
 
-    for (i = stripchart_varstart; i < stripchart_number; i++)
-      {
-      if (pcre_exec(stripchart_regex[i], NULL, CS buffer, length, 0, PCRE_EOPT,
-            NULL, 0) >= 0)
+    for (int i = stripchart_varstart; i < stripchart_number; i++)
+      if (pcre2_match(stripchart_regex[i], (PCRE2_SPTR)buffer, length,
+                       0, PCRE_EOPT, md, NULL) >= 0)
         stripchart_total[i]++;
-      }
 
     /* Munge the log entry and display shortened form on one line.
     We omit the date and show only the time. Remove any time zone offset.
     Take note of the presence of [pid]. */
 
-    if (pcre_exec(yyyymmdd_regex,NULL,CS buffer,length,0,PCRE_EOPT,NULL,0) >= 0)
+    if (pcre2_match(yyyymmdd_regex, (PCRE2_SPTR) buffer, length, 0, PCRE_EOPT,
+                     md, NULL) >= 0)
       {
       int pidlength = 0;
-      if ((buffer[20] == '+' || buffer[20] == '-') &&
-          isdigit(buffer[21]) && buffer[25] == ' ')
+      if (  (buffer[20] == '+' || buffer[20] == '-')
+         && isdigit(buffer[21]) && buffer[25] == ' ')
         memmove(buffer + 20, buffer + 26, Ustrlen(buffer + 26) + 1);
       if (buffer[20] == '[')
-        {
-        while (Ustrchr("[]0123456789", buffer[20+pidlength++]) != NULL);
-        }
+        while (Ustrchr("[]0123456789", buffer[20+pidlength++]) != NULL)
+         ;
       id = string_copyn(buffer + 20 + pidlength, MESSAGE_ID_LENGTH);
       show_log("%s", buffer+11);
       }
@@ -275,6 +274,7 @@ if (LOG != NULL)
       id = US"";
       show_log("%s", buffer);
       }
+    pcre2_match_data_free(md);
 
     /* Deal with frozen and unfrozen messages */
 
@@ -292,7 +292,7 @@ if (LOG != NULL)
     if ((p = Ustrstr(buffer, "==")) != NULL)
       {
       queue_item *qq = find_queue(id, queue_noop, 0);
-      if (qq != NULL)
+      if (qq)
         {
         dest_item *d;
         uschar *q, *r;
@@ -365,8 +365,9 @@ if (log_datestamping)
   {
   uschar log_file_wanted[256];
   /* Do *not* use "%s" here, we need the %D datestamp in the log_file string to
-  be expanded. */
-  string_format(log_file_wanted, sizeof(log_file_wanted), CS log_file);
+  be expanded.  The trailing NULL arg is to quieten preprocessors that need at
+  least one arg for a variadic set in a macro. */
+  string_format(log_file_wanted, sizeof(log_file_wanted), CS log_file, NULL);
   if (Ustrcmp(log_file_wanted, log_file_open) != 0)
     {
     if (LOG != NULL)