3 * mhfree.c -- routines to free the data structures used to
4 * -- represent MIME messages
6 * This code is Copyright (c) 2002, by the authors of nmh. See the
7 * COPYRIGHT file in the root directory of the nmh distribution for
8 * complete copyright information.
14 #include <h/mhparse.h>
16 /* The list of top-level contents to display */
22 void free_content (CT);
23 void free_header (CT);
24 void free_ctinfo (CT);
25 void free_encoding (CT, int);
26 void freects_done (int);
31 static void free_text (CT);
32 static void free_multi (CT);
33 static void free_partial (CT);
34 static void free_external (CT);
38 * Primary routine to free a MIME content structure
48 * free all the header fields
64 * some of the content types have extra
65 * parts which need to be freed.
73 switch (ct->c_subtype) {
78 case MESSAGE_EXTERNAL:
90 free (ct->c_showproc);
92 free (ct->c_termproc);
94 free (ct->c_storeproc);
99 /* free structures for content encodings */
100 free_encoding (ct, 1);
118 free (ct->c_storage);
127 * Free the linked list of header fields
136 hp1 = ct->c_first_hf;
147 ct->c_first_hf = NULL;
148 ct->c_last_hf = NULL;
163 if (ci->ci_subtype) {
164 free (ci->ci_subtype);
165 ci->ci_subtype = NULL;
167 for (ap = ci->ci_attrs; *ap; ap++) {
171 if (ci->ci_comment) {
172 free (ci->ci_comment);
173 ci->ci_comment = NULL;
187 if (!(t = (struct text *) ct->c_ctparams))
191 ct->c_ctparams = NULL;
199 struct part *part, *next;
201 if (!(m = (struct multipart *) ct->c_ctparams))
209 for (part = m->mp_parts; part; part = next) {
210 next = part->mp_next;
211 free_content (part->mp_part);
212 free ((char *) part);
217 ct->c_ctparams = NULL;
226 if (!(p = (struct partial *) ct->c_ctparams))
233 ct->c_ctparams = NULL;
238 free_external (CT ct)
242 if (!(e = (struct exbody *) ct->c_ctparams))
245 free_content (e->eb_content);
250 ct->c_ctparams = NULL;
255 * Free data structures related to encoding/decoding
256 * Content-Transfer-Encodings.
260 free_encoding (CT ct, int toplevel)
264 if (!(ce = ct->c_cefile))
274 unlink (ce->ce_file);
283 ct->c_ceopenfnx = NULL;
289 freects_done (int status)