X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/f1e5fef536bdc2c5d84c4bc7852d6e948253ccaf..cdb37db5c0ff060de7edfc94e830cab6b7f7c084:/src/exim_monitor/em_main.c

diff --git a/src/exim_monitor/em_main.c b/src/exim_monitor/em_main.c
index 187dba3b0..9c7f442e5 100644
--- a/src/exim_monitor/em_main.c
+++ b/src/exim_monitor/em_main.c
@@ -1,10 +1,8 @@
-/* $Cambridge: exim/src/exim_monitor/em_main.c,v 1.6 2009/11/16 19:50:36 nm4 Exp $ */
-
 /*************************************************
 *                  Exim Monitor                  *
 *************************************************/
 
-/* Copyright (c) University of Cambridge 1995 - 2009 */
+/* Copyright (c) University of Cambridge 1995 - 2018 */
 /* See the file NOTICE for conditions of use and distribution. */
 
 
@@ -168,7 +166,7 @@ Returns:    nothing
 */
 
 void
-log_write(unsigned int selector, int flags, char *format, ...)
+log_write(unsigned int selector, int flags, const char *format, ...)
 {
 va_list ap;
 va_start(ap, format);
@@ -615,8 +613,7 @@ message_subdir[1] = 0;
 constructing file names and things. This call will initialize
 the store_get() function. */
 
-big_buffer_size = 1024;
-big_buffer = store_get(big_buffer_size);
+big_buffer = store_get(big_buffer_size, FALSE);
 
 /* Set up the version string and date and output them */
 
@@ -634,7 +631,7 @@ signal(SIGCHLD, sigchld_handler);
 
 /* Get the buffer for storing the string for the log display. */
 
-log_display_buffer = (uschar *)store_malloc(log_buffer_size);
+log_display_buffer = US store_malloc(log_buffer_size);
 log_display_buffer[0] = 0;
 
 /* Initialize the data structures for the stripcharts */
@@ -656,7 +653,9 @@ today.) */
 
 if (log_file[0] != 0)
   {
-  (void)string_format(log_file_open, sizeof(log_file_open), CS log_file);
+  /* Do *not* use "%s" here, we need the %D datestamp in the log_file to
+  be expanded! */
+  (void)string_format(log_file_open, sizeof(log_file_open), CS log_file, NULL);
   log_datestamping = string_datestamp_offset >= 0;
 
   LOG = fopen(CS log_file_open, "r");
@@ -670,8 +669,14 @@ if (log_file[0] != 0)
     {
     fseek(LOG, 0, SEEK_END);
     log_position = ftell(LOG);
-    fstat(fileno(LOG), &statdata);
-    log_inode = statdata.st_ino;
+    if (fstat(fileno(LOG), &statdata))
+      {
+      perror("log file fstat");
+      fclose(LOG);
+      LOG=NULL;
+      }
+    else
+      log_inode = statdata.st_ino;
     }
   }
 else