/* 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"
+#include "bashtypes.h"
+
#if defined (HAVE_UNISTD_H)
# include <unistd.h>
#endif
#include "bashansi.h"
#include "shell.h"
+extern sh_obj_cache_t wdcache, wlcache;
+
/* Dispose of the command structure passed. */
void
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);
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;
break;
}
+#if defined (DPAREN_ARITHMETIC)
+ case cm_arith:
+ {
+ register ARITH_COM *c;
+
+ c = command->value.Arith;
+ dispose_words (c->exp);
+ free (c);
+ break;
+ }
+#endif /* DPAREN_ARITHMETIC */
+
+#if defined (COND_COMMAND)
+ case cm_cond:
+ {
+ register COND_COM *c;
+
+ c = command->value.Cond;
+ dispose_cond_node (c);
+ break;
+ }
+#endif /* COND_COMMAND */
+
case cm_function_def:
{
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);
}
+#if defined (COND_COMMAND)
+/* How to free a node in a conditional command. */
+void
+dispose_cond_node (cond)
+ COND_COM *cond;
+{
+ if (cond)
+ {
+ if (cond->left)
+ dispose_cond_node (cond->left);
+ if (cond->right)
+ dispose_cond_node (cond->right);
+ if (cond->op)
+ dispose_word (cond->op);
+ free (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 (word)
- WORD_DESC *word;
+dispose_word (w)
+ WORD_DESC *w;
+{
+ FREE (w->word);
+ ocache_free (wdcache, WORD_DESC, w);
+}
+
+/* Free a WORD_DESC, but not the word contained within. */
+void
+dispose_word_desc (w)
+ WORD_DESC *w;
{
- FREE (word->word);
- free (word);
+ w->word = 0;
+ ocache_free (wdcache, WORD_DESC, w);
}
/* How to get rid of a linked list of words. A WORD_LIST. */
t = list;
list = list->next;
dispose_word (t->word);
+#if 0
free (t);
+#else
+ ocache_free (wlcache, WORD_LIST, t);
+#endif
}
}
{
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: