+++ /dev/null
-/*
- * Copyright notice from original mutt:
- * Copyright (C) 2004 Thomas Glanzmann <sithglan@stud.uni-erlangen.de>
- * Copyright (C) 2004 Tobias Werth <sitowert@stud.uni-erlangen.de>
- * Copyright (C) 2004 Brian Fundakowski Feldman <green@FreeBSD.org>
- *
- * This file is part of mutt-ng, see http://www.muttng.org/.
- * It's licensed under the GNU General Public License,
- * please see the file GPL in the top level source directory.
- */
-
-#include <lib-lib/lib-lib.h>
-
-#ifdef USE_HCACHE
-
-#define MUTTNG_HCACHE_ID "0x004"
-
-#if defined(HAVE_QDBM)
-#include <depot.h>
-#include <cabin.h>
-#include <villa.h>
-#elif defined(HAVE_GDBM)
-#include <gdbm.h>
-#elif defined(HAVE_DB4)
-#include <db.h>
-#endif
-
-#include <lib-hash/hash.h>
-#include <lib-mime/mime.h>
-
-#include "charset.h"
-#include "mutt.h"
-#include <imap/message.h>
-#include "mx.h"
-#include "lib.h"
-
-struct header_cache {
-#if defined(HAVE_QDBM)
- VILLA *db;
- char *folder;
- unsigned int crc;
-#elif defined(HAVE_GDBM)
- GDBM_FILE db;
- char *folder;
- unsigned int crc;
-#elif defined(HAVE_DB4)
- DB_ENV *env;
- DB *db;
- unsigned int crc;
- int fd;
- char lockfile[_POSIX_PATH_MAX];
-#endif
-};
-
-typedef union {
- struct timeval timeval;
- unsigned long uid_validity;
-} validate;
-
-#define UPPER4K(i) ((i & ~(4096 - 1)) + 4096)
-
-static unsigned char *lazy_malloc(ssize_t siz)
-{
- return p_new(unsigned char, UPPER4K(siz));
-}
-
-static void lazy_realloc(unsigned char **p, ssize_t siz)
-{
- p_realloc(p, UPPER4K(siz));
-}
-
-static unsigned char *dump_int (unsigned int i, unsigned char *d, int *off)
-{
- lazy_realloc (&d, *off + sizeof (int));
- memcpy (d + *off, &i, sizeof (int));
- (*off) += sizeof (int);
-
- return d;
-}
-
-static void restore_int (unsigned int *i, const unsigned char *d, int *off)
-{
- memcpy (i, d + *off, sizeof (int));
- (*off) += sizeof (int);
-}
-
-static unsigned char *dump_char (char *c, unsigned char *d, int *off)
-{
- unsigned int size;
-
- if (c == NULL) {
- size = 0;
- d = dump_int (size, d, off);
- return d;
- }
-
- size = m_strlen(c) + 1;
- d = dump_int (size, d, off);
- lazy_realloc (&d, *off + size);
- memcpy (d + *off, c, size);
- *off += size;
-
- return d;
-}
-
-static void restore_char (char **c, const unsigned char *d, int *off)
-{
- unsigned int size;
-
- restore_int (&size, d, off);
-
- if (size == 0) {
- *c = NULL;
- return;
- }
-
- *c = p_dup(d + *off, size);
- *off += size;
-}
-
-static unsigned char *dump_address (address_t * a, unsigned char *d, int *off)
-{
- unsigned int counter = 0;
- unsigned int start_off = *off;
-
- d = dump_int (0xdeadbeef, d, off);
-
- while (a) {
- d = dump_char (a->personal, d, off);
- d = dump_char (a->mailbox, d, off);
- d = dump_int (a->group, d, off);
- a = a->next;
- counter++;
- }
-
- memcpy (d + start_off, &counter, sizeof (int));
-
- return d;
-}
-
-static void restore_address (address_t ** a, const unsigned char *d, int *off)
-{
- unsigned int counter;
-
- restore_int (&counter, d, off);
-
- while (counter) {
- *a = p_new(address_t, 1);
- restore_char (&(*a)->personal, d, off);
- restore_char (&(*a)->mailbox, d, off);
- restore_int ((unsigned int *) &(*a)->group, d, off);
- a = &(*a)->next;
- counter--;
- }
-
- *a = NULL;
-}
-
-static unsigned char *dump_list (string_list_t * l, unsigned char *d, int *off)
-{
- unsigned int counter = 0;
- unsigned int start_off = *off;
-
- d = dump_int (0xdeadbeef, d, off);
-
- while (l) {
- d = dump_char (l->data, d, off);
- l = l->next;
- counter++;
- }
-
- memcpy (d + start_off, &counter, sizeof (int));
-
- return d;
-}
-
-static void restore_list (string_list_t ** l, const unsigned char *d, int *off)
-{
- unsigned int counter;
-
- restore_int (&counter, d, off);
-
- while (counter) {
- *l = p_new(string_list_t, 1);
- restore_char (&(*l)->data, d, off);
- l = &(*l)->next;
- counter--;
- }
-
- *l = NULL;
-}
-
-static unsigned char *dump_parameter (parameter_t * p, unsigned char *d,
- int *off)
-{
- unsigned int counter = 0;
- unsigned int start_off = *off;
-
- d = dump_int (0xdeadbeef, d, off);
-
- while (p) {
- d = dump_char (p->attribute, d, off);
- d = dump_char (p->value, d, off);
- p = p->next;
- counter++;
- }
-
- memcpy (d + start_off, &counter, sizeof (int));
-
- return d;
-}
-
-static void
-restore_parameter (parameter_t ** p, const unsigned char *d, int *off)
-{
- unsigned int counter;
-
- restore_int (&counter, d, off);
-
- while (counter) {
- *p = parameter_new();
- restore_char (&(*p)->attribute, d, off);
- restore_char (&(*p)->value, d, off);
- p = &(*p)->next;
- counter--;
- }
-}
-
-static unsigned char *dump_body (BODY * c, unsigned char *d, int *off)
-{
- lazy_realloc (&d, *off + sizeof (BODY));
- memcpy (d + *off, c, sizeof (BODY));
- *off += sizeof (BODY);
-
- d = dump_char (c->xtype, d, off);
- d = dump_char (c->subtype, d, off);
-
- d = dump_parameter (c->parameter, d, off);
-
- d = dump_char (c->description, d, off);
- d = dump_char (c->form_name, d, off);
- d = dump_char (c->filename, d, off);
- d = dump_char (c->d_filename, d, off);
-
- return d;
-}
-
-static void restore_body (BODY * c, const unsigned char *d, int *off)
-{
- memcpy (c, d + *off, sizeof (BODY));
- *off += sizeof (BODY);
-
- restore_char (&c->xtype, d, off);
- restore_char (&c->subtype, d, off);
-
- restore_parameter (&c->parameter, d, off);
-
- restore_char (&c->description, d, off);
- restore_char (&c->form_name, d, off);
- restore_char (&c->filename, d, off);
- restore_char (&c->d_filename, d, off);
-}
-
-static unsigned char *dump_envelope (ENVELOPE * e, unsigned char *d, int *off)
-{
- d = dump_address (e->return_path, d, off);
- d = dump_address (e->from, d, off);
- d = dump_address (e->to, d, off);
- d = dump_address (e->cc, d, off);
- d = dump_address (e->bcc, d, off);
- d = dump_address (e->sender, d, off);
- d = dump_address (e->reply_to, d, off);
- d = dump_address (e->mail_followup_to, d, off);
-
- d = dump_char (e->subject, d, off);
- if (e->real_subj) {
- d = dump_int (e->real_subj - e->subject, d, off);
- }
- else {
- d = dump_int (-1, d, off);
- }
- d = dump_char (e->message_id, d, off);
- d = dump_char (e->supersedes, d, off);
- d = dump_char (e->date, d, off);
- d = dump_char (e->x_label, d, off);
- d = dump_char (e->list_post, d, off);
-
-#ifdef USE_NNTP
- d = dump_char (e->newsgroups, d, off);
- d = dump_char (e->xref, d, off);
- d = dump_char (e->followup_to, d, off);
- d = dump_char (e->x_comment_to, d, off);
-#endif
-
- d = dump_list (e->references, d, off);
- d = dump_list (e->in_reply_to, d, off);
- d = dump_list (e->userhdrs, d, off);
-
- return d;
-}
-
-static void restore_envelope (ENVELOPE * e, const unsigned char *d, int *off)
-{
- int real_subj_off;
-
- restore_address (&e->return_path, d, off);
- restore_address (&e->from, d, off);
- restore_address (&e->to, d, off);
- restore_address (&e->cc, d, off);
- restore_address (&e->bcc, d, off);
- restore_address (&e->sender, d, off);
- restore_address (&e->reply_to, d, off);
- restore_address (&e->mail_followup_to, d, off);
-
- restore_char (&e->subject, d, off);
- restore_int ((unsigned int *) (&real_subj_off), d, off);
- if (0 <= real_subj_off) {
- e->real_subj = e->subject + real_subj_off;
- }
- else {
- e->real_subj = NULL;
- }
- restore_char (&e->message_id, d, off);
- restore_char (&e->supersedes, d, off);
- restore_char (&e->date, d, off);
- restore_char (&e->x_label, d, off);
- restore_char (&e->list_post, d, off);
-
-#ifdef USE_NNTP
- restore_char (&e->newsgroups, d, off);
- restore_char (&e->xref, d, off);
- restore_char (&e->followup_to, d, off);
- restore_char (&e->x_comment_to, d, off);
-#endif
-
- restore_list (&e->references, d, off);
- restore_list (&e->in_reply_to, d, off);
- restore_list (&e->userhdrs, d, off);
-}
-
-static
-unsigned int crc32 (unsigned int crc, unsigned char const *p, ssize_t len)
-{
- int i;
-
- while (len--) {
- crc ^= *p++;
- for (i = 0; i < 8; i++)
- crc = (crc >> 1) ^ ((crc & 1) ? 0xedb88320 : 0);
- }
- return crc;
-}
-
-static int generate_crc32 ()
-{
- int crc = 0;
-
- crc = crc32 (crc, (unsigned char const *)
- MUTTNG_HCACHE_ID "sithglan@stud.uni-erlangen.de[sithglan]|hcache.c|20041108231548|29613",
- m_strlen
- (MUTTNG_HCACHE_ID "sithglan@stud.uni-erlangen.de[sithglan]|hcache.c|20041108231548|29613"));
-
-#ifdef HAVE_LANGINFO_CODESET
- crc = crc32(crc, (unsigned char const *) Charset, m_strlen(Charset));
- crc = crc32(crc, (unsigned char const *) "HAVE_LANGINFO_CODESET",
- m_strlen("HAVE_LANGINFO_CODESET"));
-#endif
-
- crc = crc32(crc, (unsigned char const *) "USE_POP", m_strlen("USE_POP"));
-
-#ifdef MIXMASTER
- crc = crc32(crc, (unsigned char const *) "MIXMASTER",
- m_strlen("MIXMASTER"));
-#endif
-
- crc = crc32(crc, (unsigned char const *) "USE_IMAP", m_strlen("USE_IMAP"));
-
-#ifdef USE_NNTP
- crc = crc32(crc, (unsigned char const *) "USE_NNTP", m_strlen("USE_NNTP"));
-#endif
- return crc;
-}
-
-static int crc32_matches (const char *d, unsigned int crc)
-{
- int off = sizeof (validate);
- unsigned int mycrc = 0;
-
- if (!d) {
- return 0;
- }
-
- restore_int (&mycrc, (unsigned char *) d, &off);
-
- return (crc == mycrc);
-}
-
-/* Append md5sumed folder to path if path is a directory. */
-static const char *mutt_hcache_per_folder (const char *path,
- const char *folder)
-{
- static char mutt_hcache_per_folder_path[_POSIX_PATH_MAX];
- struct stat path_stat;
- MD5_CTX md5;
- unsigned char md5sum[16];
- int ret;
-
- ret = stat (path, &path_stat);
- if (ret < 0) {
- return path;
- }
-
- if (!S_ISDIR (path_stat.st_mode)) {
- return path;
- }
-
- MD5Init (&md5);
- MD5Update (&md5, (unsigned char *) folder, m_strlen(folder));
- MD5Final (md5sum, &md5);
-
- ret = snprintf (mutt_hcache_per_folder_path, _POSIX_PATH_MAX,
- "%s/%02x%02x%02x%02x%02x%02x%02x%02x"
- "%02x%02x%02x%02x%02x%02x%02x%02x",
- path, md5sum[0], md5sum[1], md5sum[2], md5sum[3],
- md5sum[4], md5sum[5], md5sum[6], md5sum[7], md5sum[8],
- md5sum[9], md5sum[10], md5sum[11], md5sum[12],
- md5sum[13], md5sum[14], md5sum[15]);
-
- if (ret <= 0) {
- return path;
- }
-
- return mutt_hcache_per_folder_path;
-}
-
-/* This function transforms a header into a char so that it is useable by
- * db_store */
-static void *mutt_hcache_dump (void *_db, HEADER * h, int *off,
- unsigned long uid_validity)
-{
- struct header_cache *db = _db;
- unsigned char *d = NULL;
-
- *off = 0;
-
- d = lazy_malloc (sizeof (validate));
-
- if (uid_validity) {
- memcpy (d, &uid_validity, sizeof (unsigned long));
- }
- else {
- struct timeval now;
-
- gettimeofday (&now, NULL);
- memcpy (d, &now, sizeof (struct timeval));
- }
- *off += sizeof (validate);
-
- d = dump_int (db->crc, d, off);
-
- lazy_realloc (&d, *off + sizeof (HEADER));
- memcpy (d + *off, h, sizeof (HEADER));
- *off += sizeof (HEADER);
-
- d = dump_envelope (h->env, d, off);
- d = dump_body (h->content, d, off);
- d = dump_char (h->maildir_flags, d, off);
-
- return d;
-}
-
-HEADER *mutt_hcache_restore (const unsigned char *d, HEADER ** oh)
-{
- int off = 0;
- HEADER *h = header_new();
-
- /* skip validate */
- off += sizeof (validate);
-
- /* skip crc */
- off += sizeof (unsigned int);
-
- memcpy (h, d + off, sizeof (HEADER));
- off += sizeof (HEADER);
-
- h->env = envelope_new();
- restore_envelope (h->env, d, &off);
-
- h->content = body_new();
- restore_body (h->content, d, &off);
-
- restore_char (&h->maildir_flags, d, &off);
-
- /* this is needed for maildir style mailboxes */
- if (oh) {
- h->old = (*oh)->old;
- h->path = m_strdup((*oh)->path);
- header_delete(oh);
- }
-
- return h;
-}
-
-#if defined(HAVE_QDBM)
-void *
-mutt_hcache_open(const char *path, const char *folder)
-{
- struct header_cache *h = p_new(struct header_cache, 1);
- int flags = VL_OWRITER | VL_OCREAT;
- h->db = NULL;
- h->folder = m_strdup(folder);
- h->crc = generate_crc32();
-
- if (!path || path[0] == '\0')
- {
- p_delete(&h->folder);
- p_delete(&h);
- return NULL;
- }
-
- path = mutt_hcache_per_folder(path, folder);
-
- if (option(OPTHCACHECOMPRESS))
- flags |= VL_OZCOMP;
-
- h->db = vlopen(path, flags, VL_CMPLEX);
- if (h->db)
- return h;
- else
- {
- p_delete(&h->folder);
- p_delete(&h);
-
- return NULL;
- }
-}
-
-void
-mutt_hcache_close(void *db)
-{
- struct header_cache *h = db;
-
- if (!h)
- return;
-
- vlclose(h->db);
- p_delete(&h->folder);
- p_delete(&h);
-}
-
-void *
-mutt_hcache_fetch(void *db, const char *filename,
- ssize_t(*keylen) (const char *fn))
-{
- struct header_cache *h = db;
- char path[_POSIX_PATH_MAX];
- int ksize;
- char *data = NULL;
-
- if (!h)
- return NULL;
-
- m_strcpy(path, sizeof(path), h->folder);
- m_strcat(path, sizeof(path), filename);
-
- ksize = strlen(h->folder) + keylen(path + strlen(h->folder));
-
- data = vlget(h->db, path, ksize, NULL);
-
- if (!crc32_matches(data, h->crc))
- {
- p_delete(&data);
- return NULL;
- }
-
- return data;
-}
-
-int
-mutt_hcache_store(void *db, const char *filename, HEADER * header,
- unsigned long uid_validity,
- ssize_t(*keylen) (const char *fn))
-{
- struct header_cache *h = db;
- char path[_POSIX_PATH_MAX];
- int ret;
- int ksize, dsize;
- char *data = NULL;
-
- if (!h)
- return -1;
-
- m_strcpy(path, sizeof(path), h->folder);
- m_strcat(path, sizeof(path), filename);
-
- ksize = strlen(h->folder) + keylen(path + strlen(h->folder));
-
- data = mutt_hcache_dump(db, header, &dsize, uid_validity);
-
- ret = vlput(h->db, path, ksize, data, dsize, VL_DOVER);
-
- p_delete(&data);
-
- return ret;
-}
-
-int
-mutt_hcache_delete(void *db, const char *filename,
- ssize_t(*keylen) (const char *fn))
-{
- struct header_cache *h = db;
- char path[_POSIX_PATH_MAX];
- int ksize;
-
- if (!h)
- return -1;
-
- m_strcpy(path, sizeof(path), h->folder);
- m_strcat(path, sizeof(path), filename);
-
- ksize = strlen(h->folder) + keylen(path + strlen(h->folder));
-
- return vlout(h->db, path, ksize);
-}
-
-#elif defined(HAVE_GDBM)
-
-void *mutt_hcache_open (const char *path, const char *folder)
-{
- struct header_cache *h = p_new(struct header_cache, 1);
- int pagesize =
- atoi (HeaderCachePageSize) ? atoi (HeaderCachePageSize) : 16384;
- h->db = NULL;
- h->folder = m_strdup(folder);
- h->crc = generate_crc32 ();
-
- if (!path || path[0] == '\0') {
- p_delete(&h->folder);
- p_delete(&h);
- return NULL;
- }
-
- path = mutt_hcache_per_folder (path, folder);
-
- h->db = gdbm_open ((char *) path, pagesize, GDBM_WRCREAT, 00600, NULL);
- if (h->db) {
- return h;
- }
-
- /* if rw failed try ro */
- h->db = gdbm_open ((char *) path, pagesize, GDBM_READER, 00600, NULL);
- if (h->db) {
- return h;
- }
- else {
- p_delete(&h->folder);
- p_delete(&h);
-
- return NULL;
- }
-}
-
-void mutt_hcache_close (void *db)
-{
- struct header_cache *h = db;
-
- if (!h) {
- return;
- }
-
- gdbm_close (h->db);
- p_delete(&h->folder);
- p_delete(&h);
-}
-
-void *mutt_hcache_fetch (void *db, const char *filename,
- ssize_t (*keylen) (const char *fn))
-{
- struct header_cache *h = db;
- datum key;
- datum data;
- char path[_POSIX_PATH_MAX];
-
- if (!h) {
- return NULL;
- }
-
- m_strcpy(path, sizeof(path), h->folder);
- strncat (path, filename, sizeof (path) - m_strlen(path));
-
- key.dptr = path;
- key.dsize = keylen (path);
-
- data = gdbm_fetch (h->db, key);
-
- if (!crc32_matches (data.dptr, h->crc)) {
- p_delete(&data.dptr);
- return NULL;
- }
-
- return data.dptr;
-}
-
-int
-mutt_hcache_store (void *db, const char *filename, HEADER * header,
- unsigned long uid_validity, ssize_t (*keylen) (const char *fn))
-{
- struct header_cache *h = db;
- datum key;
- datum data;
- char path[_POSIX_PATH_MAX];
- int ret;
-
- if (!h) {
- return -1;
- }
-
- m_strcpy(path, sizeof(path), h->folder);
- strncat (path, filename, sizeof (path) - m_strlen(path));
-
- key.dptr = path;
- key.dsize = keylen (path);
-
- data.dptr = mutt_hcache_dump (db, header, &data.dsize, uid_validity);
-
- ret = gdbm_store (h->db, key, data, GDBM_REPLACE);
-
- p_delete(&data.dptr);
-
- return ret;
-}
-
-int
-mutt_hcache_delete (void *db, const char *filename,
- ssize_t (*keylen) (const char *fn))
-{
- datum key;
- struct header_cache *h = db;
- char path[_POSIX_PATH_MAX];
-
- if (!h) {
- return -1;
- }
-
- m_strcpy(path, sizeof(path), h->folder);
- strncat (path, filename, sizeof (path) - m_strlen(path));
-
- key.dptr = path;
- key.dsize = keylen (path);
-
- return gdbm_delete (h->db, key);
-}
-#elif defined(HAVE_DB4)
-
-static void mutt_hcache_dbt_init (DBT * dbt, void *data, ssize_t len)
-{
- dbt->data = data;
- dbt->size = dbt->ulen = len;
- dbt->dlen = dbt->doff = 0;
- dbt->flags = DB_DBT_USERMEM;
-}
-
-static void mutt_hcache_dbt_empty_init (DBT * dbt)
-{
- dbt->data = NULL;
- dbt->size = dbt->ulen = dbt->dlen = dbt->doff = 0;
- dbt->flags = 0;
-}
-
-void *mutt_hcache_open (const char *path, const char *folder)
-{
- struct stat sb;
- u_int32_t createflags = DB_CREATE;
- int ret;
- struct header_cache *h = p_new(struct header_cache, 1);
- int pagesize = atoi (HeaderCachePageSize);
-
-
- h->crc = generate_crc32 ();
-
- if (!path || path[0] == '\0') {
- p_delete(&h);
- return NULL;
- }
-
- path = mutt_hcache_per_folder (path, folder);
-
- snprintf (h->lockfile, _POSIX_PATH_MAX, "%s-lock-hack", path);
-
- h->fd = open (h->lockfile, O_WRONLY | O_CREAT, S_IRUSR | S_IWUSR);
- if (h->fd < 0) {
- p_delete(&h);
- return NULL;
- }
-
- if (mx_lock_file (h->lockfile, h->fd, 1, 0, 5)) {
- close (h->fd);
- p_delete(&h);
- return NULL;
- }
-
- ret = db_env_create (&h->env, 0);
- if (ret) {
- mx_unlock_file (h->lockfile, h->fd, 0);
- close (h->fd);
- p_delete(&h);
- return NULL;
- }
-
- ret =
- (h->env->open)(h->env, NULL, DB_INIT_MPOOL | DB_CREATE | DB_PRIVATE, 0600);
- if (!ret) {
- ret = db_create (&h->db, h->env, 0);
- if (ret) {
- h->env->close (h->env, 0);
- mx_unlock_file (h->lockfile, h->fd, 0);
- close (h->fd);
- p_delete(&h);
- return NULL;
- }
- }
-
- if (stat (path, &sb) != 0 && errno == ENOENT) {
- createflags |= DB_EXCL;
- h->db->set_pagesize (h->db, pagesize);
- }
-
- ret = (h->db->open)(h->db, NULL, path, folder, DB_BTREE, createflags, 0600);
- if (ret) {
- h->db->close (h->db, 0);
- h->env->close (h->env, 0);
- mx_unlock_file (h->lockfile, h->fd, 0);
- close (h->fd);
- p_delete(&h);
- return NULL;
- }
-
- return h;
-}
-
-void mutt_hcache_close (void *db)
-{
- struct header_cache *h = db;
-
- if (!h) {
- return;
- }
-
- h->db->close (h->db, 0);
- h->env->close (h->env, 0);
- mx_unlock_file (h->lockfile, h->fd, 0);
- close (h->fd);
- p_delete(&h);
-}
-
-void *mutt_hcache_fetch (void *db, const char *filename,
- ssize_t (*keylen) (const char *fn))
-{
- DBT key;
- DBT data;
- struct header_cache *h = db;
-
- if (!h) {
- return NULL;
- }
-
- filename++; /* skip '/' */
-
- mutt_hcache_dbt_init (&key, (void *) filename, keylen (filename));
- mutt_hcache_dbt_empty_init (&data);
- data.flags = DB_DBT_MALLOC;
-
- h->db->get (h->db, NULL, &key, &data, 0);
-
- if (!crc32_matches (data.data, h->crc)) {
- p_delete(&data.data);
- return NULL;
- }
-
- return data.data;
-}
-
-int
-mutt_hcache_store (void *db, const char *filename, HEADER * header,
- unsigned long uid_validity, ssize_t (*keylen) (const char *fn))
-{
- DBT key;
- DBT data;
- int ret;
- struct header_cache *h = db;
-
- if (!h) {
- return -1;
- }
-
- filename++; /* skip '/' */
-
- mutt_hcache_dbt_init (&key, (void *) filename, keylen (filename));
-
- mutt_hcache_dbt_empty_init (&data);
- data.flags = DB_DBT_USERMEM;
- data.data =
- mutt_hcache_dump (db, header, (signed int *) &data.size, uid_validity);
- data.ulen = data.size;
-
- ret = h->db->put (h->db, NULL, &key, &data, 0);
-
- p_delete(&data.data);
-
- return ret;
-}
-
-int
-mutt_hcache_delete (void *db, const char *filename,
- ssize_t (*keylen) (const char *fn))
-{
- DBT key;
- struct header_cache *h = db;
-
- if (!h) {
- return -1;
- }
-
- filename++; /* skip '/' */
-
- mutt_hcache_dbt_init (&key, (void *) filename, keylen (filename));
- return h->db->del (h->db, NULL, &key, 0);
-}
-#endif
-
-#endif /* USE_HCACHE */