1 /* dispose_command.c -- dispose of a COMMAND structure. */
3 /* Copyright (C) 1987,1991 Free Software Foundation, Inc.
5 This file is part of GNU Bash, the Bourne Again SHell.
7 Bash is free software; you can redistribute it and/or modify it
8 under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 1, or (at your option)
12 Bash is distributed in the hope that it will be useful, but WITHOUT
13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
14 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
15 License for more details.
17 You should have received a copy of the GNU General Public License
18 along with Bash; see the file COPYING. If not, write to the Free
19 Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
23 /* Dispose of the command structure passed. */
25 dispose_command (command)
30 if (command->redirects)
31 dispose_redirects (command->redirects);
33 switch (command->type)
37 register FOR_COM *c = command->value.For;
38 dispose_word (c->name);
39 dispose_words (c->map_list);
40 dispose_command (c->action);
45 #if defined (SELECT_COMMAND)
48 register SELECT_COM *c = command->value.Select;
49 dispose_word (c->name);
50 dispose_words (c->map_list);
51 dispose_command (c->action);
59 dispose_command (command->value.Group->command);
60 free (command->value.Group);
66 register CASE_COM *c = command->value.Case;
67 PATTERN_LIST *t, *p = c->clauses;
69 dispose_word (c->word);
73 dispose_words (p->patterns);
74 dispose_command (p->action);
86 register WHILE_COM *c = command->value.While;
88 dispose_command (c->test);
89 dispose_command (c->action);
96 register IF_COM *c = command->value.If;
97 dispose_command (c->test);
98 dispose_command (c->true_case);
99 dispose_command (c->false_case);
106 register SIMPLE_COM *c = command->value.Simple;
107 dispose_words (c->words);
108 dispose_redirects (c->redirects);
115 register CONNECTION *c = command->value.Connection;
116 dispose_command (c->first);
117 dispose_command (c->second);
122 case cm_function_def:
124 register FUNCTION_DEF *c = command->value.Function_def;
125 dispose_word (c->name);
126 dispose_command (c->command);
132 report_error ("Attempt to free unknown command type `%d'.\n", command->type);
138 /* How to free a WORD_DESC. */
148 /* How to get rid of a linked list of words. A WORD_LIST. */
158 dispose_word (t->word);
163 /* How to dispose of an array of pointers to char. */
165 dispose_word_array (array)
170 for (count = 0; array[count]; count++)
176 /* How to dispose of an list of redirections. A REDIRECT. */
178 dispose_redirects (list)
181 register REDIRECT *t;
187 switch (t->instruction)
189 case r_reading_until:
190 case r_deblank_reading_until:
191 free (t->here_doc_eof);
193 case r_output_direction:
194 case r_input_direction:
195 case r_inputa_direction:
200 case r_duplicating_input_word:
201 case r_duplicating_output_word:
202 dispose_word (t->redirectee.filename);