String attribute support for record filter interface.

[idzebra-moved-to-github.git] / isamb / isamb.c

diff --git a/isamb/isamb.c b/isamb/isamb.c
index 327993c..ab657d7 100644 (file)
--- a/isamb/isamb.c
+++ b/isamb/isamb.c
@@ -1,6 +1,6 @@
-/* $Id: isamb.c,v 1.68 2005-01-15 18:53:46 adam Exp $
+/* $Id: isamb.c,v 1.72 2005-03-05 09:19:15 adam Exp $
    Copyright (C) 1995-2005
-   Index Data Aps
+   Index Data ApS
 
 This file is part of the Zebra server.
 
@@ -20,6 +20,7 @@ Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
 02111-1307, USA.
 */
 
+#include <stdlib.h>
 #include <string.h>
 #include <yaz/log.h>
 #include <yaz/xmalloc.h>
@@ -187,15 +188,15 @@ ISAMB isamb_open(BFiles bfs, const char *name, int writeflag, ISAMC_M *method,
 
     isamb->bfs = bfs;
     isamb->method = (ISAMC_M *) xmalloc(sizeof(*method));
-    memcpy (isamb->method, method, sizeof(*method));
+    memcpy(isamb->method, method, sizeof(*method));
     isamb->no_cat = CAT_NO;
     isamb->log_io = 0;
     isamb->log_freelist = 0;
     isamb->cache = cache;
     isamb->skipped_numbers = 0;
     isamb->returned_numbers = 0;
-    for (i = 0;i<ISAMB_MAX_LEVEL;i++)
-      isamb->skipped_nodes[i]= isamb->accessed_nodes[i]=0;
+    for (i = 0; i<ISAMB_MAX_LEVEL; i++)
+      isamb->skipped_nodes[i] = isamb->accessed_nodes[i] = 0;
 
     assert(cache == 0);
     isamb->file = xmalloc(sizeof(*isamb->file) * isamb->no_cat);
@@ -298,7 +299,7 @@ static void flush_blocks (ISAMB b, int cat)
     }
 }
 
-static int get_block (ISAMB b, ISAMC_P pos, char *userbuf, int wr)
+static int cache_block (ISAMB b, ISAMC_P pos, char *userbuf, int wr)
 {
     int cat = (int) (pos&CAT_MASK);
     int off = (int) (((pos/CAT_MAX) & 
@@ -343,7 +344,7 @@ static int get_block (ISAMB b, ISAMC_P pos, char *userbuf, int wr)
         *ce_last = 0;  /* remove the last entry from list */
         if (ce_this->dirty)
         {
-            yaz_log(b->log_io, "bf_write: get_block");
+            yaz_log(b->log_io, "bf_write: cache_block");
             bf_write(b->file[cat].bf, ce_this->pos, 0, 0, ce_this->buf);
         }
         xfree(ce_this->buf);
@@ -354,7 +355,7 @@ static int get_block (ISAMB b, ISAMC_P pos, char *userbuf, int wr)
     b->file[cat].cache_entries = ce_this;
     ce_this->buf = xmalloc(ISAMB_CACHE_ENTRY_SIZE);
     ce_this->pos = norm;
-    yaz_log(b->log_io, "bf_read: get_block");
+    yaz_log(b->log_io, "bf_read: cache_block");
     if (!bf_read(b->file[cat].bf, norm, 0, 0, ce_this->buf))
         memset (ce_this->buf, 0, ISAMB_CACHE_ENTRY_SIZE);
     if (wr)
@@ -374,7 +375,7 @@ static int get_block (ISAMB b, ISAMC_P pos, char *userbuf, int wr)
 void isamb_close (ISAMB isamb)
 {
     int i;
-    for (i = 0;isamb->accessed_nodes[i];i++)
+    for (i = 0; isamb->accessed_nodes[i]; i++)
         yaz_log(YLOG_DEBUG, "isamb_close  level leaf-%d: "ZINT_FORMAT" read, "
                        ZINT_FORMAT" skipped",
              i, isamb->accessed_nodes[i], isamb->skipped_nodes[i]);
@@ -445,7 +446,7 @@ static struct ISAMB_block *open_block(ISAMB b, ISAMC_P pos)
     p->buf = xmalloc(b->file[cat].head.block_size);
     p->cbuf = 0;
 
-    if (!get_block (b, pos, p->buf, 0))
+    if (!cache_block (b, pos, p->buf, 0))
     {
         yaz_log(b->log_io, "bf_read: open_block");
         if (!bf_read(b->file[cat].bf, pos/CAT_MAX, 0, 0, p->buf))
@@ -491,7 +492,7 @@ struct ISAMB_block *new_block (ISAMB b, int leaf, int cat)
     {
         p->pos = b->file[cat].head.free_list;
         assert((p->pos & CAT_MASK) == cat);
-        if (!get_block (b, p->pos, p->buf, 0))
+        if (!cache_block (b, p->pos, p->buf, 0))
         {
             yaz_log(b->log_io, "bf_read: new_block");
             if (!bf_read(b->file[cat].bf, p->pos/CAT_MAX, 0, 0, p->buf))
@@ -581,7 +582,7 @@ void close_block(ISAMB b, struct ISAMB_block *p)
                  p->pos, p->cat, p->pos/CAT_MAX);
         memcpy (p->buf, &b->file[p->cat].head.free_list, sizeof(zint));
         b->file[p->cat].head.free_list = p->pos;
-        if (!get_block (b, p->pos, p->buf, 1))
+        if (!cache_block (b, p->pos, p->buf, 1))
         {
             yaz_log(b->log_io, "bf_write: close_block (deleted)");
             bf_write(b->file[p->cat].bf, p->pos/CAT_MAX, 0, 0, p->buf);
@@ -601,7 +602,7 @@ void close_block(ISAMB b, struct ISAMB_block *p)
         p->buf[2] = size >> 8;
        encode_ptr(&dst, p->no_items);
         check_block(b, p);
-        if (!get_block (b, p->pos, p->buf, 1))
+        if (!cache_block (b, p->pos, p->buf, 1))
         {
             yaz_log(b->log_io, "bf_write: close_block");
             bf_write(b->file[p->cat].bf, p->pos/CAT_MAX, 0, 0, p->buf);
@@ -1239,8 +1240,8 @@ ISAMB_PP isamb_pp_open_x(ISAMB isamb, ISAMB_P pos, int *level, int scope)
     pp->skipped_numbers = 0;
     pp->returned_numbers = 0;
     pp->scope = scope;
-    for (i = 0;i<ISAMB_MAX_LEVEL;i++)
-        pp->skipped_nodes[i] = pp->accessed_nodes[i]=0;
+    for (i = 0; i<ISAMB_MAX_LEVEL; i++)
+        pp->skipped_nodes[i] = pp->accessed_nodes[i] = 0;
     while (1)
     {
         struct ISAMB_block *p = open_block(isamb, pos);
@@ -1276,14 +1277,14 @@ void isamb_pp_close_x(ISAMB_PP pp, int *size, int *blocks)
     yaz_log(YLOG_DEBUG, "isamb_pp_close lev=%d returned "ZINT_FORMAT" values, " 
                    "skipped "ZINT_FORMAT,
         pp->maxlevel, pp->skipped_numbers, pp->returned_numbers);
-    for (i = pp->maxlevel;i>=0;i--)
+    for (i = pp->maxlevel; i>=0; i--)
         if (pp->skipped_nodes[i] || pp->accessed_nodes[i])
             yaz_log(YLOG_DEBUG, "isamb_pp_close  level leaf-%d: "
                            ZINT_FORMAT" read, "ZINT_FORMAT" skipped", i,
                  pp->accessed_nodes[i], pp->skipped_nodes[i]);
     pp->isamb->skipped_numbers += pp->skipped_numbers;
     pp->isamb->returned_numbers += pp->returned_numbers;
-    for (i = pp->maxlevel;i>=0;i--)
+    for (i = pp->maxlevel; i>=0; i--)
     {
         pp->isamb->accessed_nodes[i] += pp->accessed_nodes[i];
         pp->isamb->skipped_nodes[i] += pp->skipped_nodes[i];
@@ -1528,7 +1529,7 @@ static int isamb_pp_climb_level(ISAMB_PP pp, ISAMB_P *pos)
     }
     assert(pp->level>0); 
     close_block(pp->isamb, pp->block[pp->level]);
-    pp->block[pp->level]=0;
+    pp->block[pp->level] = 0;
     (pp->level)--;
     p = pp->block[pp->level];
 #if ISAMB_DEBUG
@@ -1752,9 +1753,9 @@ int isamb_pp_forward (ISAMB_PP pp, void *buf, const void *untilbuf)
             if (isamb_pp_forward_on_leaf(pp, buf, untilbuf))
            {
 #if ISAMB_DEBUG
-            yaz_log(YLOG_DEBUG, "isamb_pp_forward (f) returning (C) "
-                   "at level %d node %d ofs=%d sz=%d",
-                    pp->level, p->pos, p->offset, p->size);
+               yaz_log(YLOG_DEBUG, "isamb_pp_forward (f) returning (c) "
+                       "at level %d node %d ofs=%d sz=%d",
+                       pp->level, p->pos, p->offset, p->size);
 #endif
                 return 1;
             }