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[bacula/bacula] / bacula / src / lib / htable.h

diff --git a/bacula/src/lib/htable.h b/bacula/src/lib/htable.h
index 83bd1b0d99b70e4bb5f3a3382018060b75502575..e67f8d66a112f04b2437092ed69a3eeabf6cab5d 100644 (file)
--- a/bacula/src/lib/htable.h
+++ b/bacula/src/lib/htable.h
@@ -1,18 +1,12 @@
-/*
- *
- * Written by Kern Sibbald, MMIV
- *
- *   Version $Id$
- */
 /*
    Bacula® - The Network Backup Solution
 
-   Copyright (C) 2004-2006 Free Software Foundation Europe e.V.
+   Copyright (C) 2004-2008 Free Software Foundation Europe e.V.
 
    The main author of Bacula is Kern Sibbald, with contributions from
    many others, a complete list can be found in the file AUTHORS.
    This program is Free Software; you can redistribute it and/or
-   modify it under the terms of version two of the GNU General Public
+   modify it under the terms of version three of the GNU Affero General Public
    License as published by the Free Software Foundation and included
    in the file LICENSE.
 
@@ -21,16 +15,22 @@
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
    General Public License for more details.
 
-   You should have received a copy of the GNU General Public License
+   You should have received a copy of the GNU Affero General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
    02110-1301, USA.
 
-   Bacula® is a registered trademark of John Walker.
+   Bacula® is a registered trademark of Kern Sibbald.
    The licensor of Bacula is the Free Software Foundation Europe
    (FSFE), Fiduciary Program, Sumatrastrasse 25, 8006 Zürich,
    Switzerland, email:ftf@fsfeurope.org.
 */
+/*
+ *
+ * Written by Kern Sibbald, MMIV
+ *
+ *   Version $Id$
+ */
 
 /* ========================================================================
  *
@@ -38,13 +38,27 @@
  *
  */
 
+/* 
+ * BIG_MALLOC is to provide a large malloc service to htable
+ */
+#define BIG_MALLOC
+
 /*
  * Loop var through each member of table
  */
+#ifdef HAVE_TYPEOF
+#define foreach_htable(var, tbl) \
+        for((var)=(typeof(var))((tbl)->first()); \
+           (var); \
+           (var)=(typeof(var))((tbl)->next()))
+#else
 #define foreach_htable(var, tbl) \
         for((*((void **)&(var))=(void *)((tbl)->first())); \
             (var); \
             (*((void **)&(var))=(void *)((tbl)->next())))
+#endif
+
+
 
 struct hlink {
    void *next;                        /* next hash item */
@@ -52,6 +66,13 @@ struct hlink {
    uint32_t hash;                     /* hash for this key */
 };
 
+struct h_mem {
+   struct h_mem *next;                /* next buffer */
+   int32_t rem;                       /* remaining bytes in big_buffer */
+   char *mem;                         /* memory pointer */
+   char first[1];                     /* first byte */
+};
+
 class htable : public SMARTALLOC {
    hlink **table;                     /* hash table */
    int loffset;                       /* link offset in item */
@@ -64,8 +85,15 @@ class htable : public SMARTALLOC {
    uint32_t rshift;                   /* amount to shift down */
    hlink *walkptr;                    /* table walk pointer */
    uint32_t walk_index;               /* table walk index */
+   uint32_t total_size;               /* total bytes malloced */
+   uint32_t blocks;                   /* blocks malloced */
+#ifdef BIG_MALLOC
+   struct h_mem *mem_block;           /* malloc'ed memory block chain */
+   void malloc_big_buf(int size);     /* Get a big buffer */
+#endif
    void hash_index(char *key);        /* produce hash key,index */
    void grow_table();                 /* grow the table */
+
 public:
    htable(void *item, void *link, int tsize = 31);
    ~htable() { destroy(); }
@@ -77,4 +105,8 @@ public:
    void destroy();
    void stats();                      /* print stats about the table */
    uint32_t size();                   /* return size of table */
+   char *hash_malloc(int size);       /* malloc bytes for a hash entry */
+#ifdef BIG_MALLOC
+   void hash_big_free();              /* free all hash allocated big buffers */
+#endif
 };