Fix leak on syntax error in main prog

[perl5.git] / miniperlmain.c

diff --git a/miniperlmain.c b/miniperlmain.c
index a1ef2f1..0d32aea 100644 (file)
--- a/miniperlmain.c
+++ b/miniperlmain.c
@@ -4,10 +4,10 @@
    Any changes made here will be lost!
  */
 
-/*    miniperlmain.c
+/*    miniperlmain.c or perlmain.c - a generated file
  *
  *    Copyright (C) 1994, 1995, 1996, 1997, 1999, 2000, 2001, 2002, 2003,
- *    2004, 2005, 2006, 2007, by Larry Wall and others
+ *    2004, 2005, 2006, 2007, 2016 by Larry Wall and others
  *
  *    You may distribute under the terms of either the GNU General Public
  *    License or the Artistic License, as specified in the README file.
@@ -24,11 +24,18 @@
 
 /* This file contains the main() function for the perl interpreter.
  * Note that miniperlmain.c contains main() for the 'miniperl' binary,
- * while perlmain.c contains main() for the 'perl' binary.
+ * while perlmain.c contains main() for the 'perl' binary. The typical
+ * difference being that the latter includes Dynaloader.
  *
  * Miniperl is like perl except that it does not support dynamic loading,
  * and in fact is used to build the dynamic modules needed for the 'real'
  * perl executable.
+ *
+ * The content of the body of this generated file is mostly contained
+ * in Miniperl.pm - edit that file if you want to change anything.
+ * miniperlmain.c is generated by running regen/miniperlmain.pl, while
+ * perlmain.c is built automatically by Makefile (so the former is
+ * included in the tarball while the latter isn't).
  */
 
 #ifdef OEMVS
@@ -41,6 +48,11 @@
 #endif
 
 #define PERL_IN_MINIPERLMAIN_C
+
+/* work round bug in MakeMaker which doesn't currently (2019) supply this
+ * flag when making a statically linked perl */
+#define PERL_CORE 1
+
 #include "EXTERN.h"
 #include "perl.h"
 #include "XSUB.h"
@@ -70,6 +82,8 @@ main(int argc, char **argv, char **env)
 #ifdef PERL_GLOBAL_STRUCT
     struct perl_vars *my_vars = init_global_struct();
 #  ifdef PERL_GLOBAL_STRUCT_PRIVATE
+    int veto;
+
     my_plvarsp = my_vars;
 #  endif
 #endif /* PERL_GLOBAL_STRUCT */
@@ -105,6 +119,8 @@ main(int argc, char **argv, char **env)
                    Perl_atfork_unlock);
 #endif
 
+    PERL_SYS_FPU_INIT;
+
     if (!PL_do_undump) {
        my_perl = perl_alloc();
        if (!my_perl)
@@ -113,8 +129,7 @@ main(int argc, char **argv, char **env)
        PL_perl_destruct_level = 0;
     }
     PL_exit_flags |= PERL_EXIT_DESTRUCT_END;
-    exitstatus = perl_parse(my_perl, xs_init, argc, argv, (char **)NULL);
-    if (!exitstatus)
+    if (!perl_parse(my_perl, xs_init, argc, argv, (char **)NULL))
         perl_run(my_perl);
 
 #ifndef PERL_MICRO
@@ -146,9 +161,13 @@ main(int argc, char **argv, char **env)
     PERL_SYS_TERM();
 
 #ifdef PERL_GLOBAL_STRUCT
+#  ifdef PERL_GLOBAL_STRUCT_PRIVATE
+    veto = my_plvarsp->Gveto_cleanup;
+#  endif
     free_global_struct(my_vars);
 #  ifdef PERL_GLOBAL_STRUCT_PRIVATE
-    my_plvarsp = NULL;
+    if (!veto)
+        my_plvarsp = NULL;
     /* Remember, functions registered with atexit() can run after this point,
        and may access "global" variables, and hence end up calling
        Perl_GetVarsPrivate()  */
@@ -156,7 +175,6 @@ main(int argc, char **argv, char **env)
 #endif /* PERL_GLOBAL_STRUCT */
 
     exit(exitstatus);
-    return exitstatus;
 }
 
 /* Register any extra external extensions */