perl plugin: Improved "IncludeDir" configuration option.

The "Do not initialize the Perl interpreter until loading a module."
commit removed support for adding include directories after the Perl
interpreter has been initialized. This patch re-enables it.

Signed-off-by: Sebastian Harl <sh@tokkee.org>
Signed-off-by: Florian Forster <octo@huhu.verplant.org>

diff --git a/src/perl.c b/src/perl.c
index 8c21e45..c0beabf 100644 (file)
--- a/src/perl.c
+++ b/src/perl.c
@@ -992,19 +992,27 @@ static int perl_config_includedir (oconfig_item_t *ci)
 
        value = ci->values[0].value.string;
 
-       perl_argv = (char **)realloc (perl_argv,
-                       (++perl_argc + 1) * sizeof (char *));
+       if (NULL == perl) {
+               perl_argv = (char **)realloc (perl_argv,
+                               (++perl_argc + 1) * sizeof (char *));
 
-       if (NULL == perl_argv) {
-               log_err ("perl_config: Not enough memory.");
-               exit (3);
-       }
+               if (NULL == perl_argv) {
+                       log_err ("perl_config: Not enough memory.");
+                       exit (3);
+               }
 
-       perl_argv[perl_argc - 1] = (char *)smalloc (strlen (value) + 3);
-       sstrncpy(perl_argv[perl_argc - 1], "-I", 3);
-       sstrncpy(perl_argv[perl_argc - 1] + 2, value, strlen (value) + 1);
+               perl_argv[perl_argc - 1] = (char *)smalloc (strlen (value) + 3);
+               sstrncpy(perl_argv[perl_argc - 1], "-I", 3);
+               sstrncpy(perl_argv[perl_argc - 1] + 2, value, strlen (value) + 1);
 
-       perl_argv[perl_argc] = NULL;
+               perl_argv[perl_argc] = NULL;
+       }
+       else {
+               /* prepend the directory to @INC */
+               Perl_av_unshift (perl, GvAVn (PL_incgv), 1);
+               Perl_av_store (perl, GvAVn (PL_incgv),
+                               0, Perl_newSVpv (perl, value, strlen (value)));
+       }
        return 0;
 } /* static int perl_config_includedir (oconfig_item_it *) */