Fix leak on syntax error in main prog

[perl5.git] / miniperlmain.c

diff --git a/miniperlmain.c b/miniperlmain.c
index 260369e..0d32aea 100644 (file)
--- a/miniperlmain.c
+++ b/miniperlmain.c
@@ -1,7 +1,13 @@
-/*    miniperlmain.c
+/* -*- buffer-read-only: t -*-
+   !!!!!!!   DO NOT EDIT THIS FILE   !!!!!!!
+   This file is built by regen/miniperlmain.pl and ExtUtils::Miniperl.
+   Any changes made here will be lost!
+ */
+
+/*    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.
@@ -18,11 +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
@@ -34,20 +47,19 @@
 #endif
 #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"
-#define PERL_IN_MINIPERLMAIN_C
 #include "perl.h"
+#include "XSUB.h"
 
 static void xs_init (pTHX);
 static PerlInterpreter *my_perl;
 
-#if defined (atarist)
-/* The Atari operating system doesn't have a dynamic stack.  The
-   stack size is determined from this value.  */
-long _stksize = 64 * 1024;
-#endif
-
 #if defined(PERL_GLOBAL_STRUCT_PRIVATE)
 /* The static struct perl_vars* may seem counterproductive since the
  * whole idea PERL_GLOBAL_STRUCT_PRIVATE was to avoid statics, but note
@@ -66,12 +78,13 @@ int
 main(int argc, char **argv, char **env)
 #endif
 {
-    dVAR;
     int exitstatus, i;
 #ifdef PERL_GLOBAL_STRUCT
-    struct perl_vars *plvarsp = init_global_struct();
+    struct perl_vars *my_vars = init_global_struct();
 #  ifdef PERL_GLOBAL_STRUCT_PRIVATE
-    my_vars = my_plvarsp = plvarsp;
+    int veto;
+
+    my_plvarsp = my_vars;
 #  endif
 #endif /* PERL_GLOBAL_STRUCT */
 #ifndef NO_ENV_ARRAY_IN_MAIN
@@ -106,6 +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)
@@ -114,13 +129,12 @@ 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
     /* Unregister our signal handler before destroying my_perl */
-    for (i = 0; PL_sig_name[i]; i++) {
+    for (i = 1; PL_sig_name[i]; i++) {
        if (rsignal_state(PL_sig_num[i]) == (Sighandler_t) PL_csighandlerp) {
            rsignal(PL_sig_num[i], (Sighandler_t) SIG_DFL);
        }
@@ -144,33 +158,33 @@ main(int argc, char **argv, char **env)
     environ = env;
 #endif
 
+    PERL_SYS_TERM();
+
 #ifdef PERL_GLOBAL_STRUCT
-    free_global_struct(plvarsp);
+#  ifdef PERL_GLOBAL_STRUCT_PRIVATE
+    veto = my_plvarsp->Gveto_cleanup;
+#  endif
+    free_global_struct(my_vars);
+#  ifdef PERL_GLOBAL_STRUCT_PRIVATE
+    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()  */
+#endif
 #endif /* PERL_GLOBAL_STRUCT */
 
-    PERL_SYS_TERM();
-
     exit(exitstatus);
-    return exitstatus;
 }
 
 /* Register any extra external extensions */
 
-/* Do not delete this line--writemain depends on it */
 
 static void
 xs_init(pTHX)
 {
-    PERL_UNUSED_CONTEXT;
     dXSUB_SYS;
+    PERL_UNUSED_CONTEXT;
 }
 
-/*
- * Local variables:
- * c-indentation-style: bsd
- * c-basic-offset: 4
- * indent-tabs-mode: t
- * End:
- *
- * ex: set ts=8 sts=4 sw=4 noet:
- */
+/* ex: set ro: */