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  • Committer: Bazaar Package Importer
  • Author(s): Damyan Ivanov
  • Date: 2011-04-22 18:59:44 UTC
  • mfrom: (2.1.24 sid)
  • Revision ID: james.westby@ubuntu.com-20110422185944-egwy9r5xynjddku5
Tags: 2.1.4.18393-0.ds2-2
* apply patch from upstream SVN fixing ICU collations
* remove lintian overrides about manpages shipped in dependency package
* claim compliancy with Policy 3.9.2

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src/jrd/blb.h
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#define JRD_BLB_H
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#include "../jrd/RecordNumber.h"
 
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#include "../common/classes/array.h"
 
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#include "../common/classes/File.h"
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namespace Jrd {
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/* Your basic blob block. */
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class blb : public pool_alloc_rpt<UCHAR, type_blb>
 
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class blb : public pool_alloc<type_blb>
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{
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    public:
 
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public:
 
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        blb(MemoryPool& pool, USHORT page_size)
 
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                : blb_buffer(pool, page_size / sizeof(SLONG)),
 
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                  blb_has_buffer(true)
 
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        {
 
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        }
 
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        Attachment*     blb_attachment; /* database attachment */
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        jrd_rel*        blb_relation;   /* Relation, if known */
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        jrd_tra*        blb_transaction;        /* Parent transaction block */
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        ULONG blb_lead_page;            /* First page number */
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        ULONG blb_seek;                         /* Seek location */
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        ULONG blb_temp_id;          // ID of newly created blob in transaction
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        /* blb_data must be longword aligned */
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        UCHAR blb_data[1];                      /* A page's worth of blob */
 
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        size_t blb_temp_size;           // size stored in transaction temp space
 
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        offset_t blb_temp_offset;               // offset in transaction temp space
 
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private:
 
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        Firebird::Array<SLONG> blb_buffer;      // buffer used in opened blobs - must be longword aligned
 
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        bool blb_has_buffer;
 
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public:
 
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        bool hasBuffer() const
 
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        {
 
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                return blb_has_buffer;
 
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        }
 
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        UCHAR* getBuffer()
 
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        {
 
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                fb_assert(blb_has_buffer);
 
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                return (UCHAR*) blb_buffer.begin();
 
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        }
 
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        void freeBuffer()
 
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        {
 
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                fb_assert(blb_has_buffer);
 
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                blb_buffer.free();
 
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                blb_has_buffer = false;
 
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        }
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};
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const int BLB_temporary = 1;                    /* Newly created blob */