No specific user configuration

[platform/upstream/bash.git] / dispose_cmd.c

diff --git a/dispose_cmd.c b/dispose_cmd.c
index 4bf2c04..c624605 100644 (file)
--- a/dispose_cmd.c
+++ b/dispose_cmd.c
@@ -1,22 +1,22 @@
 /* dispose_command.c -- dispose of a COMMAND structure. */
 
-/* Copyright (C) 1987,1991 Free Software Foundation, Inc.
+/* Copyright (C) 1987-2009 Free Software Foundation, Inc.
 
    This file is part of GNU Bash, the Bourne Again SHell.
 
-   Bash is free software; you can redistribute it and/or modify it
-   under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 1, or (at your option)
-   any later version.
+   Bash is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
 
-   Bash is distributed in the hope that it will be useful, but WITHOUT
-   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
-   or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
-   License for more details.
+   Bash is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with Bash; see the file COPYING.  If not, write to the Free
-   Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
+   along with Bash.  If not, see <http://www.gnu.org/licenses/>.
+*/
 
 #include "config.h"
 
@@ -29,6 +29,8 @@
 #include "bashansi.h"
 #include "shell.h"
 
+extern sh_obj_cache_t wdcache, wlcache;
+
 /* Dispose of the command structure passed. */
 void
 dispose_command (command)
@@ -61,6 +63,21 @@ dispose_command (command)
        break;
       }
 
+#if defined (ARITH_FOR_COMMAND)
+    case cm_arith_for:
+      {
+       register ARITH_FOR_COM *c;
+
+       c = command->value.ArithFor;
+       dispose_words (c->init);
+       dispose_words (c->test);
+       dispose_words (c->step);
+       dispose_command (c->action);
+       free (c);
+       break;
+      }
+#endif /* ARITH_FOR_COMMAND */
+
     case cm_group:
       {
        dispose_command (command->value.Group->command);
@@ -68,6 +85,21 @@ dispose_command (command)
        break;
       }
 
+    case cm_subshell:
+      {
+       dispose_command (command->value.Subshell->command);
+       free (command->value.Subshell);
+       break;
+      }
+
+    case cm_coproc:
+      {
+       free (command->value.Coproc->name);
+       dispose_command (command->value.Coproc->command);
+       free (command->value.Coproc);
+       break;
+      }
+
     case cm_case:
       {
        register CASE_COM *c;
@@ -162,14 +194,12 @@ dispose_command (command)
        register FUNCTION_DEF *c;
 
        c = command->value.Function_def;
-       dispose_word (c->name);
-       dispose_command (c->command);
-       free (c);
+       dispose_function_def (c);
        break;
       }
 
     default:
-      programming_error ("dispose_command: bad command type `%d'", command->type);
+      command_error ("dispose_command", CMDERR_BADTYPE, command->type, 0);
       break;
     }
   free (command);
@@ -194,13 +224,39 @@ dispose_cond_node (cond)
 }
 #endif /* COND_COMMAND */
 
+void
+dispose_function_def_contents (c)
+     FUNCTION_DEF *c;
+{
+  dispose_word (c->name);
+  dispose_command (c->command);
+  FREE (c->source_file);
+}
+
+void
+dispose_function_def (c)
+     FUNCTION_DEF *c;
+{
+  dispose_function_def_contents (c);
+  free (c);
+}
+
 /* How to free a WORD_DESC. */
 void
 dispose_word (w)
      WORD_DESC *w;
 {
   FREE (w->word);
-  free (w);
+  ocache_free (wdcache, WORD_DESC, w);
+}
+
+/* Free a WORD_DESC, but not the word contained within. */
+void
+dispose_word_desc (w)
+     WORD_DESC *w;
+{
+  w->word = 0;
+  ocache_free (wdcache, WORD_DESC, w);
 }
 
 /* How to get rid of a linked list of words.  A WORD_LIST. */
@@ -215,7 +271,11 @@ dispose_words (list)
       t = list;
       list = list->next;
       dispose_word (t->word);
+#if 0
       free (t);
+#else
+      ocache_free (wlcache, WORD_LIST, t);
+#endif
     }
 }
 
@@ -249,21 +309,29 @@ dispose_redirects (list)
     {
       t = list;
       list = list->next;
+
+      if (t->rflags & REDIR_VARASSIGN)
+       dispose_word (t->redirector.filename);
+
       switch (t->instruction)
        {
        case r_reading_until:
        case r_deblank_reading_until:
          free (t->here_doc_eof);
        /*FALLTHROUGH*/
+       case r_reading_string:
        case r_output_direction:
        case r_input_direction:
        case r_inputa_direction:
        case r_appending_to:
        case r_err_and_out:
+       case r_append_err_and_out:
        case r_input_output:
        case r_output_force:
        case r_duplicating_input_word:
        case r_duplicating_output_word:
+       case r_move_input_word:
+       case r_move_output_word:
          dispose_word (t->redirectee.filename);
          /* FALLTHROUGH */
        default: