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increase page size for Access 2000 support

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brianb 2002-03-21 03:51:09 +00:00
parent d13908dcf3
commit 6e3ddd4420
4 changed files with 13 additions and 6 deletions
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4
ChangeLog
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@ -1,3 +1,7 @@
Wed Mar 20 22:49:33 EST 2002 Brian Bruns <camber@ais.org>
* include/mdbtools.h: increased page size for 2048 to 4096
Sat Mar 16 21:37:01 EST 2002 Brian Bruns <camber@ais.org>
* include/mdbtools.h: added oam usage map fields to TableDef

2
include/mdbtools.h
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@ -29,7 +29,7 @@
#include <string.h>
#include <glib.h>
#define MDB_PGSIZE 2048
#define MDB_PGSIZE 4096
#define MDB_MAX_OBJ_NAME 30
#define MDB_MAX_COLS 256
#define MDB_MAX_IDX_COLS 10

11
src/libmdb/data.c
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@ -157,7 +157,7 @@ unsigned char isnull;
}
bitmask_sz = (num_cols - 1) / 8 + 1;
if (mdb->jet_version==MDB_VER_JET4) {
eod = mdb->pg_buf[row_end-2-var_cols*2-bitmask_sz];
eod = mdb_get_int16(mdb, row_end - 3 - var_cols*2 - bitmask_sz);
} else {
eod = mdb->pg_buf[row_end-1-var_cols-bitmask_sz];
}
@ -288,7 +288,7 @@ MdbHandle *mdb = entry->mdb;
if (!mdb_read_pg(mdb, table->cur_phys_pg++))
return 0;
} while (mdb->pg_buf[0]!=0x01 || mdb_get_int32(mdb, 4)!=entry->table_pg);
// fprintf(stderr,"returning new page %ld\n", table->cur_phys_pg);
/* fprintf(stderr,"returning new page %ld\n", table->cur_phys_pg); */
return table->cur_phys_pg;
}
int mdb_rewind_table(MdbTableDef *table)
@ -319,10 +319,13 @@ int rc;
/* if at end of page, find a new page */
if (table->cur_row >= rows) {
table->cur_row=0;
if (!mdb_read_next_dpg(table)) return 0;
if (!mdb_read_next_dpg(table)) {
return 0;
}
}
//printf("page %d row %d\n",table->cur_phys_pg, table->cur_row);
/* printf("page %d row %d\n",table->cur_phys_pg, table->cur_row); */
rc = mdb_read_row(table, table->cur_row);
table->cur_row++;
} while (!rc);

2
src/libmdb/file.c
View File

@ -137,7 +137,7 @@ off_t offset = pg * mdb->pg_size;
return 0;
}
else if (len<mdb->pg_size) {
/* fprintf(stderr,"EOF reached.\n"); */
/* fprintf(stderr,"EOF reached %d bytes returned.\n",len, mdb->pg_size); */
return 0;
}
return len;