Update version number and copyright year.

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

diff --git a/src/src/rda.c b/src/src/rda.c
index 06eff227e689d6c253e90cfe6da411f4b5bbc917..13701dca47b6f141c28330598ff46441725d804c 100644 (file)
--- a/src/src/rda.c
+++ b/src/src/rda.c
@@ -1,10 +1,10 @@
-/* $Cambridge: exim/src/src/rda.c,v 1.8 2005/06/27 14:29:43 ph10 Exp $ */
+/* $Cambridge: exim/src/src/rda.c,v 1.14 2007/01/08 10:50:18 ph10 Exp $ */
 
 /*************************************************
 *     Exim - an Internet mail transport agent    *
 *************************************************/
 
-/* Copyright (c) University of Cambridge 1995 - 2005 */
+/* Copyright (c) University of Cambridge 1995 - 2007 */
 /* See the file NOTICE for conditions of use and distribution. */
 
 /* This module contains code for extracting addresses from a forwarding list
@@ -352,7 +352,7 @@ uschar *data;
 
 if (rdata->isfile)
   {
-  int yield;
+  int yield = 0;
   data = rda_get_file_contents(rdata, options, error, &yield);
   if (data == NULL) return yield;
   }
@@ -607,9 +607,13 @@ if (pipe(pfd) != 0)
 
 /* Ensure that SIGCHLD is set to SIG_DFL before forking, so that the child
 process can be waited for. We sometimes get here with it set otherwise. Save
-the old state for resetting on the wait. */
+the old state for resetting on the wait. Ensure that all cached resources are
+freed so that the subprocess starts with a clean slate and doesn't interfere
+with the parent process. */
 
 oldsignal = signal(SIGCHLD, SIG_DFL);
+search_tidyup();
+
 if ((pid = fork()) == 0)
   {
   header_line *waslast = header_last;   /* Save last header */
@@ -740,9 +744,11 @@ if ((pid = fork()) == 0)
     rda_write_string(fd, NULL);   /* Marks end of addresses */
     }
 
-  /* OK, this process is now done. Must use _exit() and not exit() !! */
+  /* OK, this process is now done. Free any cached resources. Must use _exit()
+  and not exit() !! */
 
   (void)close(fd);
+  search_tidyup();
   _exit(0);
   }
 
@@ -764,9 +770,6 @@ if (read(fd, filtertype, sizeof(int)) != sizeof(int) ||
     read(fd, &yield, sizeof(int)) != sizeof(int) ||
     !rda_read_string(fd, error)) goto DISASTER;
 
-DEBUG(D_route)
-  debug_printf("rda_interpret: subprocess yield=%d error=%s\n", yield, *error);
-
 /* Read the contents of any syntax error blocks if we have a pointer */
 
 if (eblockp != NULL)
@@ -923,6 +926,9 @@ while ((rc = wait(&status)) != pid)
     }
   }
 
+DEBUG(D_route)
+  debug_printf("rda_interpret: subprocess yield=%d error=%s\n", yield, *error);
+
 if (had_disaster)
   {
   *error = string_sprintf("internal problem in %s: failure to transfer "