+#if HAVE_QDBM
+void *
+mutt_hcache_open(const char *path, const char *folder)
+{
+ struct header_cache *h = safe_calloc(1, sizeof (HEADER_CACHE));
+ int flags = 0;
+#if 0 /* FIXME */
+ int pagesize = atoi(HeaderCachePageSize) ? atoi(HeaderCachePageSize) : 16384;
+#endif
+ h->db = NULL;
+ h->folder = safe_strdup(folder);
+ h->crc = generate_crc32();
+
+ if (!path || path[0] == '\0')
+ {
+ FREE(&h->folder);
+ FREE(&h);
+ return NULL;
+ }
+
+ path = mutt_hcache_per_folder(path, folder);
+
+ if (option(OPTHCACHECOMPRESS))
+ flags = VL_OZCOMP;
+
+ h->db = vlopen(path, flags | VL_OWRITER | VL_OCREAT, VL_CMPLEX);
+ if (h->db)
+ return h;
+
+ /* if rw failed try ro */
+ h->db = vlopen(path, flags | VL_OREADER, VL_CMPLEX);
+ if (h->db)
+ return h;
+ else
+ {
+ FREE(&h->folder);
+ FREE(&h);
+
+ return NULL;
+ }
+}
+
+void
+mutt_hcache_close(void *db)
+{
+ struct header_cache *h = db;
+
+ if (!h)
+ return;
+
+ vlclose(h->db);
+ FREE(&h->folder);
+ FREE(&h);
+}
+
+void *
+mutt_hcache_fetch(void *db, const char *filename,
+ size_t(*keylen) (const char *fn))
+{
+ struct header_cache *h = db;
+ char path[_POSIX_PATH_MAX];
+ int ksize;
+ char *data = NULL;
+
+ if (!h)
+ return NULL;
+
+ strncpy(path, h->folder, sizeof (path));
+ safe_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))
+ {
+ if (data) {
+ FREE(&data);
+ }
+ return NULL;
+ }
+
+ return data;
+}
+
+int
+mutt_hcache_store(void *db, const char *filename, HEADER * header,
+ unsigned long uid_validity,
+ size_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;
+
+ strncpy(path, h->folder, sizeof (path));
+ safe_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);
+
+ FREE(&data);
+
+ return ret;
+}
+
+int
+mutt_hcache_delete(void *db, const char *filename,
+ size_t(*keylen) (const char *fn))
+{
+ struct header_cache *h = db;
+ char path[_POSIX_PATH_MAX];
+ int ksize;
+
+ if (!h)
+ return -1;
+
+ strncpy(path, h->folder, sizeof (path));
+ safe_strcat(path, sizeof (path), filename);
+
+ ksize = strlen(h->folder) + keylen(path + strlen(h->folder));
+
+ return vlout(h->db, path, ksize);
+}
+
+#elif HAVE_GDBM
projects / apps / madmutt.git / commitdiff