Add tokyocabinet support

[apps/madmutt.git] / lib-mx / hcache.c

diff --git a/lib-mx/hcache.c b/lib-mx/hcache.c
index bb38c81..63ea970 100644 (file)
--- a/lib-mx/hcache.c
+++ b/lib-mx/hcache.c
@@ -13,14 +13,17 @@
 
 #ifdef USE_HCACHE
 
-#if defined(HAVE_QDBM)
+#if defined(HAVE_TOKYOCABINET)
+#include <tcutil.h>
+#include <tchdb.h>
+#elif defined(HAVE_QDBM)
 #include <depot.h>
 #include <cabin.h>
 #include <villa.h>
 #elif defined(HAVE_GDBM)
 #include <gdbm.h>
 #else
-#error neither HAVE_QDBM nor HAVE_GDBM are set ?!
+#error no supported DB library found ?
 #endif
 
 #include "charset.h"
@@ -28,7 +31,9 @@
 #include "hcache.h"
 
 struct hcache_t {
-#if defined(HAVE_QDBM)
+#if defined(HAVE_TOKYOCABINET)
+    TCHDB *db;
+#elif defined(HAVE_QDBM)
     VILLA *db;
 #elif defined(HAVE_GDBM)
     GDBM_FILE db;
@@ -374,7 +379,13 @@ hcache_t *mutt_hcache_open(const char *folder)
     path = mutt_hcache_per_folder(mod_core.cachedir, folder);
 
     {
-#if defined(HAVE_QDBM)
+#if defined(HAVE_TOKYOCABINET)
+        h->db = tchdbnew();
+        if (!tchdbopen(h->db, path, HDBOWRITER | HDBOCREAT)) {
+            tchdbdel(h->db);
+            h->db = NULL;
+        }
+#elif defined(HAVE_QDBM)
         h->db = vlopen(path, VL_OWRITER | VL_OCREAT, VL_CMPLEX);
 #elif defined(HAVE_GDBM)
         h->db = gdbm_open((char *) path, 16384, GDBM_WRCREAT, 00600, NULL);
@@ -393,7 +404,10 @@ void mutt_hcache_close(hcache_t **db)
     if (!*db)
         return;
 
-#if defined(HAVE_QDBM)
+#if defined(HAVE_TOKYOCABINET)
+    tchdbdel((*db)->db);
+    (*db)->db = NULL;
+#elif defined(HAVE_QDBM)
     vlclose((*db)->db);
 #elif defined(HAVE_GDBM)
     gdbm_close((*db)->db);
@@ -415,11 +429,14 @@ void *mutt_hcache_fetch(hcache_t *db, const char *filename,
     snprintf(path, sizeof(path), "%s%s", db->folder, filename);
 
     {
-#if defined(HAVE_QDBM)
-        int ksize = strlen(db->folder) + keylen(path + strlen(db->folder));
+        int ksize = keylen(path);
+#if defined(HAVE_TOKYOCABINET)
+        int unused;
+        data  = tchdbget(db->db, path, ksize, &unused);
+#elif defined(HAVE_QDBM)
         data  = vlget(db->db, path, ksize, NULL);
 #elif defined(HAVE_GDBM)
-        datum k = { .dptr = path, .dsize = keylen(path) };
+        datum k = { .dptr = path, .dsize = ksize };
 
         data = gdbm_fetch(db->db, k).dtpr;
 #endif
@@ -450,12 +467,13 @@ int mutt_hcache_store(hcache_t *db, const char *filename, HEADER *header,
     data = mutt_hcache_dump(db, header, uid_validity);
 
     {
-#if defined(HAVE_QDBM)
-        int ksize = strlen(db->folder) + keylen(path + strlen(db->folder));
-
-        ret = vlput(db->db, path, ksize, data->data, data->len, VL_DOVER);
+        int ksize = keylen(path);
+#if defined(HAVE_TOKYOCABINET)
+        ret = !!tchdbput(db->db, path, ksize, data->data, data->len) - 1;
+#elif defined(HAVE_QDBM)
+        ret = !!vlput(db->db, path, ksize, data->data, data->len, VL_DOVER) - 1;
 #elif defined(HAVE_GDBM)
-        datum k = { .dptr = path, .dsize = keylen(path) };
+        datum k = { .dptr = path, .dsize = ksize };
         datum v = { .dptr = data->data, .dsize = data->len };
 
         ret = gdbm_store(db->db, k, v, GDBM_REPLACE);
@@ -466,7 +484,7 @@ int mutt_hcache_store(hcache_t *db, const char *filename, HEADER *header,
     return ret;
 }
 
-int mutt_hcache_delete(hcache_t *db, const char *filename,
+void mutt_hcache_delete(hcache_t *db, const char *filename,
                        ssize_t (*keylen)(const char *fn))
 {
     char path[_POSIX_PATH_MAX];
@@ -477,12 +495,14 @@ int mutt_hcache_delete(hcache_t *db, const char *filename,
     snprintf(path, sizeof(path), "%s%s", db->folder, filename);
 
     {
-#if defined(HAVE_QDBM)
-        int ksize = strlen(db->folder) + keylen(path + strlen(db->folder));
-        return vlout(db->db, path, ksize);
+        int ksize = keylen(path);
+#if defined(HAVE_TOKYOCABINET)
+        tchdbout(db->db, path, ksize);
+#elif defined(HAVE_QDBM)
+        vlout(db->db, path, ksize);
 #elif defined(HAVE_GDBM)
-        datum k = { .dptr = path, .dsize = keylen(path) };
-        return gdbm_delete(db->db, k);
+        datum k = { .dptr = path, .dsize = ksize };
+        gdbm_delete(db->db, k);
 #endif
     }
 }