3
Memory allocation... */
6
* Copyright (c) 2004-2007 by Internet Systems Consortium, Inc. ("ISC")
7
* Copyright (c) 1996-2003 by Internet Software Consortium
9
* Permission to use, copy, modify, and distribute this software for any
10
* purpose with or without fee is hereby granted, provided that the above
11
* copyright notice and this permission notice appear in all copies.
13
* THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
14
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
15
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR
16
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
17
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
18
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
19
* OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
21
* Internet Systems Consortium, Inc.
23
* Redwood City, CA 94063
27
* This software has been written for Internet Systems Consortium
28
* by Ted Lemon in cooperation with Vixie Enterprises and Nominum, Inc.
29
* To learn more about Internet Systems Consortium, see
30
* ``http://www.isc.org/''. To learn more about Vixie Enterprises,
31
* see ``http://www.vix.com''. To learn more about Nominum, Inc., see
32
* ``http://www.nominum.com''.
36
#include <omapip/omapip_p.h>
38
struct dhcp_packet *dhcp_free_list;
39
struct packet *packet_free_list;
41
int option_chain_head_allocate (ptr, file, line)
42
struct option_chain_head **ptr;
46
struct option_chain_head *h;
49
log_error ("%s(%d): null pointer", file, line);
50
#if defined (POINTER_DEBUG)
57
log_error ("%s(%d): non-null pointer", file, line);
58
#if defined (POINTER_DEBUG)
61
*ptr = (struct option_chain_head *)0;
65
h = dmalloc (sizeof *h, file, line);
67
memset (h, 0, sizeof *h);
68
return option_chain_head_reference (ptr, h, file, line);
73
int option_chain_head_reference (ptr, bp, file, line)
74
struct option_chain_head **ptr;
75
struct option_chain_head *bp;
80
log_error ("%s(%d): null pointer", file, line);
81
#if defined (POINTER_DEBUG)
88
log_error ("%s(%d): non-null pointer", file, line);
89
#if defined (POINTER_DEBUG)
92
*ptr = (struct option_chain_head *)0;
97
rc_register (file, line, ptr, bp, bp -> refcnt, 0, RC_MISC);
101
int option_chain_head_dereference (ptr, file, line)
102
struct option_chain_head **ptr;
106
struct option_chain_head *option_chain_head;
110
log_error ("%s(%d): null pointer", file, line);
111
#if defined (POINTER_DEBUG)
118
option_chain_head = *ptr;
119
*ptr = (struct option_chain_head *)0;
120
--option_chain_head -> refcnt;
121
rc_register (file, line, ptr, option_chain_head,
122
option_chain_head -> refcnt, 1, RC_MISC);
123
if (option_chain_head -> refcnt > 0)
126
if (option_chain_head -> refcnt < 0) {
127
log_error ("%s(%d): negative refcnt!", file, line);
128
#if defined (DEBUG_RC_HISTORY)
129
dump_rc_history (option_chain_head);
131
#if defined (POINTER_DEBUG)
138
/* If there are any options on this head, free them. */
139
for (car = option_chain_head -> first; car; car = cdr) {
142
option_cache_dereference ((struct option_cache **)
148
dfree (option_chain_head, file, line);
152
int group_allocate (ptr, file, line)
160
log_error ("%s(%d): null pointer", file, line);
161
#if defined (POINTER_DEBUG)
168
log_error ("%s(%d): non-null pointer", file, line);
169
#if defined (POINTER_DEBUG)
172
*ptr = (struct group *)0;
176
g = dmalloc (sizeof *g, file, line);
178
memset (g, 0, sizeof *g);
179
return group_reference (ptr, g, file, line);
184
int group_reference (ptr, bp, file, line)
191
log_error ("%s(%d): null pointer", file, line);
192
#if defined (POINTER_DEBUG)
199
log_error ("%s(%d): non-null pointer", file, line);
200
#if defined (POINTER_DEBUG)
203
*ptr = (struct group *)0;
208
rc_register (file, line, ptr, bp, bp -> refcnt, 0, RC_MISC);
212
int group_dereference (ptr, file, line)
220
log_error ("%s(%d): null pointer", file, line);
221
#if defined (POINTER_DEBUG)
229
*ptr = (struct group *)0;
231
rc_register (file, line, ptr, group, group -> refcnt, 1, RC_MISC);
232
if (group -> refcnt > 0)
235
if (group -> refcnt < 0) {
236
log_error ("%s(%d): negative refcnt!", file, line);
237
#if defined (DEBUG_RC_HISTORY)
238
dump_rc_history (group);
240
#if defined (POINTER_DEBUG)
248
group_object_dereference (&group -> object, file, line);
250
subnet_dereference (&group -> subnet, file, line);
251
if (group -> shared_network)
252
shared_network_dereference (&group -> shared_network,
254
if (group -> statements)
255
executable_statement_dereference (&group -> statements,
258
group_dereference (&group -> next, file, line);
259
dfree (group, file, line);
263
struct dhcp_packet *new_dhcp_packet (file, line)
267
struct dhcp_packet *rval;
268
rval = (struct dhcp_packet *)dmalloc (sizeof (struct dhcp_packet),
273
struct protocol *new_protocol (file, line)
277
struct protocol *rval = dmalloc (sizeof (struct protocol), file, line);
281
struct domain_search_list *new_domain_search_list (file, line)
285
struct domain_search_list *rval =
286
dmalloc (sizeof (struct domain_search_list), file, line);
290
struct name_server *new_name_server (file, line)
294
struct name_server *rval =
295
dmalloc (sizeof (struct name_server), file, line);
299
void free_name_server (ptr, file, line)
300
struct name_server *ptr;
304
dfree ((void *)ptr, file, line);
307
struct option *new_option (name, file, line)
317
rval = dmalloc(sizeof(struct option) + len + 1, file, line);
320
memcpy(rval + 1, name, len);
321
rval->name = (char *)(rval + 1);
327
struct universe *new_universe (file, line)
331
struct universe *rval =
332
dmalloc (sizeof (struct universe), file, line);
336
void free_universe (ptr, file, line)
337
struct universe *ptr;
341
dfree ((void *)ptr, file, line);
344
void free_domain_search_list (ptr, file, line)
345
struct domain_search_list *ptr;
349
dfree ((void *)ptr, file, line);
352
void free_protocol (ptr, file, line)
353
struct protocol *ptr;
357
dfree ((void *)ptr, file, line);
360
void free_dhcp_packet (ptr, file, line)
361
struct dhcp_packet *ptr;
365
dfree ((void *)ptr, file, line);
368
struct client_lease *new_client_lease (file, line)
372
return (struct client_lease *)dmalloc (sizeof (struct client_lease),
376
void free_client_lease (lease, file, line)
377
struct client_lease *lease;
381
dfree (lease, file, line);
386
pair new_pair (file, line)
394
free_pairs = foo -> cdr;
395
memset (foo, 0, sizeof *foo);
396
dmalloc_reuse (foo, file, line, 0);
400
foo = dmalloc (sizeof *foo, file, line);
403
memset (foo, 0, sizeof *foo);
407
void free_pair (foo, file, line)
412
foo -> cdr = free_pairs;
414
dmalloc_reuse (free_pairs, __FILE__, __LINE__, 0);
417
#if defined (DEBUG_MEMORY_LEAKAGE) || \
418
defined (DEBUG_MEMORY_LEAKAGE_ON_EXIT)
419
void relinquish_free_pairs ()
423
for (pf = free_pairs; pf; pf = pc) {
427
free_pairs = (pair)0;
431
struct expression *free_expressions;
433
int expression_allocate (cptr, file, line)
434
struct expression **cptr;
438
struct expression *rval;
440
if (free_expressions) {
441
rval = free_expressions;
442
free_expressions = rval -> data.not;
443
dmalloc_reuse (rval, file, line, 1);
445
rval = dmalloc (sizeof (struct expression), file, line);
449
memset (rval, 0, sizeof *rval);
450
return expression_reference (cptr, rval, file, line);
453
int expression_reference (ptr, src, file, line)
454
struct expression **ptr;
455
struct expression *src;
460
log_error ("%s(%d): null pointer", file, line);
461
#if defined (POINTER_DEBUG)
468
log_error ("%s(%d): non-null pointer", file, line);
469
#if defined (POINTER_DEBUG)
472
*ptr = (struct expression *)0;
477
rc_register (file, line, ptr, src, src -> refcnt, 0, RC_MISC);
481
void free_expression (expr, file, line)
482
struct expression *expr;
486
expr -> data.not = free_expressions;
487
free_expressions = expr;
488
dmalloc_reuse (free_expressions, __FILE__, __LINE__, 0);
491
#if defined (DEBUG_MEMORY_LEAKAGE) || \
492
defined (DEBUG_MEMORY_LEAKAGE_ON_EXIT)
493
void relinquish_free_expressions ()
495
struct expression *e, *n;
497
for (e = free_expressions; e; e = n) {
501
free_expressions = (struct expression *)0;
505
struct binding_value *free_binding_values;
507
int binding_value_allocate (cptr, file, line)
508
struct binding_value **cptr;
512
struct binding_value *rval;
514
if (free_binding_values) {
515
rval = free_binding_values;
516
free_binding_values = rval -> value.bv;
517
dmalloc_reuse (rval, file, line, 1);
519
rval = dmalloc (sizeof (struct binding_value), file, line);
523
memset (rval, 0, sizeof *rval);
524
return binding_value_reference (cptr, rval, file, line);
527
int binding_value_reference (ptr, src, file, line)
528
struct binding_value **ptr;
529
struct binding_value *src;
534
log_error ("%s(%d): null pointer", file, line);
535
#if defined (POINTER_DEBUG)
542
log_error ("%s(%d): non-null pointer", file, line);
543
#if defined (POINTER_DEBUG)
546
*ptr = (struct binding_value *)0;
551
rc_register (file, line, ptr, src, src -> refcnt, 0, RC_MISC);
555
void free_binding_value (bv, file, line)
556
struct binding_value *bv;
560
bv -> value.bv = free_binding_values;
561
free_binding_values = bv;
562
dmalloc_reuse (free_binding_values, (char *)0, 0, 0);
565
#if defined (DEBUG_MEMORY_LEAKAGE) || \
566
defined (DEBUG_MEMORY_LEAKAGE_ON_EXIT)
567
void relinquish_free_binding_values ()
569
struct binding_value *b, *n;
571
for (b = free_binding_values; b; b = n) {
575
free_binding_values = (struct binding_value *)0;
579
int fundef_allocate (cptr, file, line)
580
struct fundef **cptr;
586
rval = dmalloc (sizeof (struct fundef), file, line);
589
memset (rval, 0, sizeof *rval);
590
return fundef_reference (cptr, rval, file, line);
593
int fundef_reference (ptr, src, file, line)
600
log_error ("%s(%d): null pointer", file, line);
601
#if defined (POINTER_DEBUG)
608
log_error ("%s(%d): non-null pointer", file, line);
609
#if defined (POINTER_DEBUG)
612
*ptr = (struct fundef *)0;
617
rc_register (file, line, ptr, src, src -> refcnt, 0, RC_MISC);
621
struct option_cache *free_option_caches;
623
#if defined (DEBUG_MEMORY_LEAKAGE) || \
624
defined (DEBUG_MEMORY_LEAKAGE_ON_EXIT)
625
void relinquish_free_option_caches ()
627
struct option_cache *o, *n;
629
for (o = free_option_caches; o; o = n) {
630
n = (struct option_cache *)(o -> expression);
633
free_option_caches = (struct option_cache *)0;
637
int option_cache_allocate (cptr, file, line)
638
struct option_cache **cptr;
642
struct option_cache *rval;
644
if (free_option_caches) {
645
rval = free_option_caches;
647
(struct option_cache *)(rval -> expression);
648
dmalloc_reuse (rval, file, line, 0);
650
rval = dmalloc (sizeof (struct option_cache), file, line);
654
memset (rval, 0, sizeof *rval);
655
return option_cache_reference (cptr, rval, file, line);
658
int option_cache_reference (ptr, src, file, line)
659
struct option_cache **ptr;
660
struct option_cache *src;
665
log_error ("%s(%d): null pointer", file, line);
666
#if defined (POINTER_DEBUG)
673
log_error ("%s(%d): non-null pointer", file, line);
674
#if defined (POINTER_DEBUG)
677
*ptr = (struct option_cache *)0;
682
rc_register (file, line, ptr, src, src -> refcnt, 0, RC_MISC);
686
int buffer_allocate (ptr, len, file, line)
694
/* XXXSK: should check for bad ptr values, otherwise we
695
leak memory if they are wrong */
696
bp = dmalloc (len + sizeof *bp, file, line);
699
/* XXXSK: both of these initializations are unnecessary */
700
memset (bp, 0, sizeof *bp);
702
return buffer_reference (ptr, bp, file, line);
705
int buffer_reference (ptr, bp, file, line)
712
log_error ("%s(%d): null pointer", file, line);
713
#if defined (POINTER_DEBUG)
720
log_error ("%s(%d): non-null pointer", file, line);
721
#if defined (POINTER_DEBUG)
724
*ptr = (struct buffer *)0;
729
rc_register (file, line, ptr, bp, bp -> refcnt, 0, RC_MISC);
733
int buffer_dereference (ptr, file, line)
739
log_error ("%s(%d): null pointer", file, line);
740
#if defined (POINTER_DEBUG)
748
log_error ("%s(%d): null pointer", file, line);
749
#if defined (POINTER_DEBUG)
757
rc_register (file, line, ptr, *ptr, (*ptr) -> refcnt, 1, RC_MISC);
758
if (!(*ptr) -> refcnt) {
759
dfree ((*ptr), file, line);
760
} else if ((*ptr) -> refcnt < 0) {
761
log_error ("%s(%d): negative refcnt!", file, line);
762
#if defined (DEBUG_RC_HISTORY)
763
dump_rc_history (*ptr);
765
#if defined (POINTER_DEBUG)
771
*ptr = (struct buffer *)0;
775
int dns_host_entry_allocate (ptr, hostname, file, line)
776
struct dns_host_entry **ptr;
777
const char *hostname;
781
struct dns_host_entry *bp;
783
bp = dmalloc (strlen (hostname) + sizeof *bp, file, line);
786
memset (bp, 0, sizeof *bp);
788
strcpy (bp -> hostname, hostname);
789
return dns_host_entry_reference (ptr, bp, file, line);
792
int dns_host_entry_reference (ptr, bp, file, line)
793
struct dns_host_entry **ptr;
794
struct dns_host_entry *bp;
799
log_error ("%s(%d): null pointer", file, line);
800
#if defined (POINTER_DEBUG)
807
log_error ("%s(%d): non-null pointer", file, line);
808
#if defined (POINTER_DEBUG)
811
*ptr = (struct dns_host_entry *)0;
816
rc_register (file, line, ptr, bp, bp -> refcnt, 0, RC_MISC);
820
int dns_host_entry_dereference (ptr, file, line)
821
struct dns_host_entry **ptr;
826
log_error ("%s(%d): null pointer", file, line);
827
#if defined (POINTER_DEBUG)
835
rc_register (file, line, ptr, *ptr, (*ptr) -> refcnt, 1, RC_MISC);
836
if (!(*ptr) -> refcnt)
837
dfree ((*ptr), file, line);
838
if ((*ptr) -> refcnt < 0) {
839
log_error ("%s(%d): negative refcnt!", file, line);
840
#if defined (DEBUG_RC_HISTORY)
841
dump_rc_history (*ptr);
843
#if defined (POINTER_DEBUG)
849
*ptr = (struct dns_host_entry *)0;
853
int option_state_allocate (ptr, file, line)
854
struct option_state **ptr;
861
log_error ("%s(%d): null pointer", file, line);
862
#if defined (POINTER_DEBUG)
869
log_error ("%s(%d): non-null pointer", file, line);
870
#if defined (POINTER_DEBUG)
873
*ptr = (struct option_state *)0;
877
size = sizeof **ptr + (universe_count - 1) * sizeof (void *);
878
*ptr = dmalloc (size, file, line);
880
memset (*ptr, 0, size);
881
(*ptr) -> universe_count = universe_count;
882
(*ptr) -> refcnt = 1;
883
rc_register (file, line,
884
ptr, *ptr, (*ptr) -> refcnt, 0, RC_MISC);
890
int option_state_reference (ptr, bp, file, line)
891
struct option_state **ptr;
892
struct option_state *bp;
897
log_error ("%s(%d): null pointer", file, line);
898
#if defined (POINTER_DEBUG)
905
log_error ("%s(%d): non-null pointer", file, line);
906
#if defined (POINTER_DEBUG)
909
*ptr = (struct option_state *)0;
914
rc_register (file, line, ptr, bp, bp -> refcnt, 0, RC_MISC);
918
int option_state_dereference (ptr, file, line)
919
struct option_state **ptr;
924
struct option_state *options;
927
log_error ("%s(%d): null pointer", file, line);
928
#if defined (POINTER_DEBUG)
936
*ptr = (struct option_state *)0;
938
rc_register (file, line, ptr, options, options -> refcnt, 1, RC_MISC);
939
if (options -> refcnt > 0)
942
if (options -> refcnt < 0) {
943
log_error ("%s(%d): negative refcnt!", file, line);
944
#if defined (DEBUG_RC_HISTORY)
945
dump_rc_history (options);
947
#if defined (POINTER_DEBUG)
954
/* Loop through the per-universe state. */
955
for (i = 0; i < options -> universe_count; i++)
956
if (options -> universes [i] &&
957
universes [i] -> option_state_dereference)
958
((*(universes [i] -> option_state_dereference))
959
(universes [i], options, file, line));
961
dfree (options, file, line);
965
int executable_statement_allocate (ptr, file, line)
966
struct executable_statement **ptr;
970
struct executable_statement *bp;
972
bp = dmalloc (sizeof *bp, file, line);
975
memset (bp, 0, sizeof *bp);
976
return executable_statement_reference (ptr, bp, file, line);
979
int executable_statement_reference (ptr, bp, file, line)
980
struct executable_statement **ptr;
981
struct executable_statement *bp;
986
log_error ("%s(%d): null pointer", file, line);
987
#if defined (POINTER_DEBUG)
994
log_error ("%s(%d): non-null pointer", file, line);
995
#if defined (POINTER_DEBUG)
998
*ptr = (struct executable_statement *)0;
1003
rc_register (file, line, ptr, bp, bp -> refcnt, 0, RC_MISC);
1007
static struct packet *free_packets;
1009
#if defined (DEBUG_MEMORY_LEAKAGE) || \
1010
defined (DEBUG_MEMORY_LEAKAGE_ON_EXIT)
1011
void relinquish_free_packets ()
1013
struct packet *p, *n;
1014
for (p = free_packets; p; p = n) {
1015
n = (struct packet *)(p -> raw);
1018
free_packets = (struct packet *)0;
1022
int packet_allocate (ptr, file, line)
1023
struct packet **ptr;
1030
log_error ("%s(%d): null pointer", file, line);
1031
#if defined (POINTER_DEBUG)
1038
log_error ("%s(%d): non-null pointer", file, line);
1039
#if defined (POINTER_DEBUG)
1042
*ptr = (struct packet *)0;
1048
free_packets = (struct packet *)(p -> raw);
1049
dmalloc_reuse (p, file, line, 1);
1051
p = dmalloc (sizeof *p, file, line);
1054
memset (p, 0, sizeof *p);
1055
return packet_reference (ptr, p, file, line);
1060
int packet_reference (ptr, bp, file, line)
1061
struct packet **ptr;
1067
log_error ("%s(%d): null pointer", file, line);
1068
#if defined (POINTER_DEBUG)
1075
log_error ("%s(%d): non-null pointer", file, line);
1076
#if defined (POINTER_DEBUG)
1079
*ptr = (struct packet *)0;
1084
rc_register (file, line, ptr, bp, bp -> refcnt, 0, RC_MISC);
1088
int packet_dereference (ptr, file, line)
1089
struct packet **ptr;
1094
struct packet *packet;
1096
if (!ptr || !*ptr) {
1097
log_error ("%s(%d): null pointer", file, line);
1098
#if defined (POINTER_DEBUG)
1106
*ptr = (struct packet *)0;
1108
rc_register (file, line, ptr, packet, packet -> refcnt, 1, RC_MISC);
1109
if (packet -> refcnt > 0)
1112
if (packet -> refcnt < 0) {
1113
log_error ("%s(%d): negative refcnt!", file, line);
1114
#if defined (DEBUG_RC_HISTORY)
1115
dump_rc_history (packet);
1117
#if defined (POINTER_DEBUG)
1124
if (packet -> options)
1125
option_state_dereference (&packet -> options, file, line);
1126
if (packet -> interface)
1127
interface_dereference (&packet -> interface, MDL);
1128
if (packet -> shared_network)
1129
shared_network_dereference (&packet -> shared_network, MDL);
1130
for (i = 0; i < packet -> class_count && i < PACKET_MAX_CLASSES; i++) {
1131
if (packet -> classes [i])
1132
omapi_object_dereference ((omapi_object_t **)
1133
&packet -> classes [i], MDL);
1135
packet -> raw = (struct dhcp_packet *)free_packets;
1136
free_packets = packet;
1137
dmalloc_reuse (free_packets, __FILE__, __LINE__, 0);
1141
int dns_zone_allocate (ptr, file, line)
1142
struct dns_zone **ptr;
1149
log_error ("%s(%d): null pointer", file, line);
1150
#if defined (POINTER_DEBUG)
1157
log_error ("%s(%d): non-null pointer", file, line);
1158
#if defined (POINTER_DEBUG)
1161
*ptr = (struct dns_zone *)0;
1165
d = dmalloc (sizeof *d, file, line);
1167
memset (d, 0, sizeof *d);
1168
return dns_zone_reference (ptr, d, file, line);
1173
int dns_zone_reference (ptr, bp, file, line)
1174
struct dns_zone **ptr;
1175
struct dns_zone *bp;
1180
log_error ("%s(%d): null pointer", file, line);
1181
#if defined (POINTER_DEBUG)
1188
log_error ("%s(%d): non-null pointer", file, line);
1189
#if defined (POINTER_DEBUG)
1192
*ptr = (struct dns_zone *)0;
1197
rc_register (file, line, ptr, bp, bp -> refcnt, 0, RC_MISC);
1201
int binding_scope_allocate (ptr, file, line)
1202
struct binding_scope **ptr;
1206
struct binding_scope *bp;
1209
log_error ("%s(%d): null pointer", file, line);
1210
#if defined (POINTER_DEBUG)
1218
log_error ("%s(%d): non-null pointer", file, line);
1219
#if defined (POINTER_DEBUG)
1226
bp = dmalloc (sizeof *bp, file, line);
1229
memset (bp, 0, sizeof *bp);
1230
binding_scope_reference (ptr, bp, file, line);
1234
int binding_scope_reference (ptr, bp, file, line)
1235
struct binding_scope **ptr;
1236
struct binding_scope *bp;
1241
log_error ("%s(%d): null pointer", file, line);
1242
#if defined (POINTER_DEBUG)
1249
log_error ("%s(%d): non-null pointer", file, line);
1250
#if defined (POINTER_DEBUG)
1253
*ptr = (struct binding_scope *)0;
1258
rc_register (file, line, ptr, bp, bp -> refcnt, 0, RC_MISC);
1262
/* Make a copy of the data in data_string, upping the buffer reference
1263
count if there's a buffer. */
1266
data_string_copy(struct data_string *dest, const struct data_string *src,
1267
const char *file, int line)
1269
if (src -> buffer) {
1270
buffer_reference (&dest -> buffer, src -> buffer, file, line);
1272
dest->buffer = NULL;
1274
dest -> data = src -> data;
1275
dest -> terminated = src -> terminated;
1276
dest -> len = src -> len;
1279
/* Release the reference count to a data string's buffer (if any) and
1280
zero out the other information, yielding the null data string. */
1282
void data_string_forget (data, file, line)
1283
struct data_string *data;
1288
buffer_dereference (&data -> buffer, file, line);
1289
memset (data, 0, sizeof *data);
1292
/* If the data_string is larger than the specified length, reduce
1293
the data_string to the specified size. */
1295
void data_string_truncate (dp, len)
1296
struct data_string *dp;
1299
/* XXX: do we need to consider the "terminated" flag in the check? */
1300
if (len < dp -> len) {
1301
dp -> terminated = 0;