sqlite3ext.h
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- /*
- ** 2006 June 7
- **
- ** The author disclaims copyright to this source code. In place of
- ** a legal notice, here is a blessing:
- **
- ** May you do good and not evil.
- ** May you find forgiveness for yourself and forgive others.
- ** May you share freely, never taking more than you give.
- **
- *************************************************************************
- ** This header file defines the SQLite interface for use by
- ** shared libraries that want to be imported as extensions into
- ** an SQLite instance. Shared libraries that intend to be loaded
- ** as extensions by SQLite should #include this file instead of
- ** sqlite3.h.
- **
- ** @(#) $Id: sqlite3ext.h,v 1.21 2008/03/19 21:45:51 drh Exp $
- */
- #ifndef _SQLITE3EXT_H_
- #define _SQLITE3EXT_H_
- #include "sqlite3.h"
- typedef struct sqlite3_api_routines sqlite3_api_routines;
- /*
- ** The following structure holds pointers to all of the SQLite API
- ** routines.
- **
- ** WARNING: In order to maintain backwards compatibility, add new
- ** interfaces to the end of this structure only. If you insert new
- ** interfaces in the middle of this structure, then older different
- ** versions of SQLite will not be able to load each others' shared
- ** libraries!
- */
- struct sqlite3_api_routines {
- void * (*aggregate_context)(sqlite3_context*,int nBytes);
- int (*aggregate_count)(sqlite3_context*);
- int (*bind_blob)(sqlite3_stmt*,int,const void*,int n,void(*)(void*));
- int (*bind_double)(sqlite3_stmt*,int,double);
- int (*bind_int)(sqlite3_stmt*,int,int);
- int (*bind_int64)(sqlite3_stmt*,int,sqlite_int64);
- int (*bind_null)(sqlite3_stmt*,int);
- int (*bind_parameter_count)(sqlite3_stmt*);
- int (*bind_parameter_index)(sqlite3_stmt*,const char*zName);
- const char * (*bind_parameter_name)(sqlite3_stmt*,int);
- int (*bind_text)(sqlite3_stmt*,int,const char*,int n,void(*)(void*));
- int (*bind_text16)(sqlite3_stmt*,int,const void*,int,void(*)(void*));
- int (*bind_value)(sqlite3_stmt*,int,const sqlite3_value*);
- int (*busy_handler)(sqlite3*,int(*)(void*,int),void*);
- int (*busy_timeout)(sqlite3*,int ms);
- int (*changes)(sqlite3*);
- int (*close)(sqlite3*);
- int (*collation_needed)(sqlite3*,void*,void(*)(void*,sqlite3*,int eTextRep,const char*));
- int (*collation_needed16)(sqlite3*,void*,void(*)(void*,sqlite3*,int eTextRep,const void*));
- const void * (*column_blob)(sqlite3_stmt*,int iCol);
- int (*column_bytes)(sqlite3_stmt*,int iCol);
- int (*column_bytes16)(sqlite3_stmt*,int iCol);
- int (*column_count)(sqlite3_stmt*pStmt);
- const char * (*column_database_name)(sqlite3_stmt*,int);
- const void * (*column_database_name16)(sqlite3_stmt*,int);
- const char * (*column_decltype)(sqlite3_stmt*,int i);
- const void * (*column_decltype16)(sqlite3_stmt*,int);
- double (*column_double)(sqlite3_stmt*,int iCol);
- int (*column_int)(sqlite3_stmt*,int iCol);
- sqlite_int64 (*column_int64)(sqlite3_stmt*,int iCol);
- const char * (*column_name)(sqlite3_stmt*,int);
- const void * (*column_name16)(sqlite3_stmt*,int);
- const char * (*column_origin_name)(sqlite3_stmt*,int);
- const void * (*column_origin_name16)(sqlite3_stmt*,int);
- const char * (*column_table_name)(sqlite3_stmt*,int);
- const void * (*column_table_name16)(sqlite3_stmt*,int);
- const unsigned char * (*column_text)(sqlite3_stmt*,int iCol);
- const void * (*column_text16)(sqlite3_stmt*,int iCol);
- int (*column_type)(sqlite3_stmt*,int iCol);
- sqlite3_value* (*column_value)(sqlite3_stmt*,int iCol);
- void * (*commit_hook)(sqlite3*,int(*)(void*),void*);
- int (*complete)(const char*sql);
- int (*complete16)(const void*sql);
- int (*create_collation)(sqlite3*,const char*,int,void*,int(*)(void*,int,const void*,int,const void*));
- int (*create_collation16)(sqlite3*,const char*,int,void*,int(*)(void*,int,const void*,int,const void*));
- int (*create_function)(sqlite3*,const char*,int,int,void*,void (*xFunc)(sqlite3_context*,int,sqlite3_value**),void (*xStep)(sqlite3_context*,int,sqlite3_value**),void (*xFinal)(sqlite3_context*));
- int (*create_function16)(sqlite3*,const void*,int,int,void*,void (*xFunc)(sqlite3_context*,int,sqlite3_value**),void (*xStep)(sqlite3_context*,int,sqlite3_value**),void (*xFinal)(sqlite3_context*));
- int (*create_module)(sqlite3*,const char*,const sqlite3_module*,void*);
- int (*data_count)(sqlite3_stmt*pStmt);
- sqlite3 * (*db_handle)(sqlite3_stmt*);
- int (*declare_vtab)(sqlite3*,const char*);
- int (*enable_shared_cache)(int);
- int (*errcode)(sqlite3*db);
- const char * (*errmsg)(sqlite3*);
- const void * (*errmsg16)(sqlite3*);
- int (*exec)(sqlite3*,const char*,sqlite3_callback,void*,char**);
- int (*expired)(sqlite3_stmt*);
- int (*finalize)(sqlite3_stmt*pStmt);
- void (*free)(void*);
- void (*free_table)(char**result);
- int (*get_autocommit)(sqlite3*);
- void * (*get_auxdata)(sqlite3_context*,int);
- int (*get_table)(sqlite3*,const char*,char***,int*,int*,char**);
- int (*global_recover)(void);
- void (*interruptx)(sqlite3*);
- sqlite_int64 (*last_insert_rowid)(sqlite3*);
- const char * (*libversion)(void);
- int (*libversion_number)(void);
- void *(*malloc)(int);
- char * (*mprintf)(const char*,...);
- int (*open)(const char*,sqlite3**);
- int (*open16)(const void*,sqlite3**);
- int (*prepare)(sqlite3*,const char*,int,sqlite3_stmt**,const char**);
- int (*prepare16)(sqlite3*,const void*,int,sqlite3_stmt**,const void**);
- void * (*profile)(sqlite3*,void(*)(void*,const char*,sqlite_uint64),void*);
- void (*progress_handler)(sqlite3*,int,int(*)(void*),void*);
- void *(*realloc)(void*,int);
- int (*reset)(sqlite3_stmt*pStmt);
- void (*result_blob)(sqlite3_context*,const void*,int,void(*)(void*));
- void (*result_double)(sqlite3_context*,double);
- void (*result_error)(sqlite3_context*,const char*,int);
- void (*result_error16)(sqlite3_context*,const void*,int);
- void (*result_int)(sqlite3_context*,int);
- void (*result_int64)(sqlite3_context*,sqlite_int64);
- void (*result_null)(sqlite3_context*);
- void (*result_text)(sqlite3_context*,const char*,int,void(*)(void*));
- void (*result_text16)(sqlite3_context*,const void*,int,void(*)(void*));
- void (*result_text16be)(sqlite3_context*,const void*,int,void(*)(void*));
- void (*result_text16le)(sqlite3_context*,const void*,int,void(*)(void*));
- void (*result_value)(sqlite3_context*,sqlite3_value*);
- void * (*rollback_hook)(sqlite3*,void(*)(void*),void*);
- int (*set_authorizer)(sqlite3*,int(*)(void*,int,const char*,const char*,const char*,const char*),void*);
- void (*set_auxdata)(sqlite3_context*,int,void*,void (*)(void*));
- char * (*snprintf)(int,char*,const char*,...);
- int (*step)(sqlite3_stmt*);
- int (*table_column_metadata)(sqlite3*,const char*,const char*,const char*,char const**,char const**,int*,int*,int*);
- void (*thread_cleanup)(void);
- int (*total_changes)(sqlite3*);
- void * (*trace)(sqlite3*,void(*xTrace)(void*,const char*),void*);
- int (*transfer_bindings)(sqlite3_stmt*,sqlite3_stmt*);
- void * (*update_hook)(sqlite3*,void(*)(void*,int ,char const*,char const*,sqlite_int64),void*);
- void * (*user_data)(sqlite3_context*);
- const void * (*value_blob)(sqlite3_value*);
- int (*value_bytes)(sqlite3_value*);
- int (*value_bytes16)(sqlite3_value*);
- double (*value_double)(sqlite3_value*);
- int (*value_int)(sqlite3_value*);
- sqlite_int64 (*value_int64)(sqlite3_value*);
- int (*value_numeric_type)(sqlite3_value*);
- const unsigned char * (*value_text)(sqlite3_value*);
- const void * (*value_text16)(sqlite3_value*);
- const void * (*value_text16be)(sqlite3_value*);
- const void * (*value_text16le)(sqlite3_value*);
- int (*value_type)(sqlite3_value*);
- char *(*vmprintf)(const char*,va_list);
- /* Added ??? */
- int (*overload_function)(sqlite3*, const char *zFuncName, int nArg);
- /* Added by 3.3.13 */
- int (*prepare_v2)(sqlite3*,const char*,int,sqlite3_stmt**,const char**);
- int (*prepare16_v2)(sqlite3*,const void*,int,sqlite3_stmt**,const void**);
- int (*clear_bindings)(sqlite3_stmt*);
- /* Added by 3.4.1 */
- int (*create_module_v2)(sqlite3*,const char*,const sqlite3_module*,void*,void (*xDestroy)(void *));
- /* Added by 3.5.0 */
- int (*bind_zeroblob)(sqlite3_stmt*,int,int);
- int (*blob_bytes)(sqlite3_blob*);
- int (*blob_close)(sqlite3_blob*);
- int (*blob_open)(sqlite3*,const char*,const char*,const char*,sqlite3_int64,int,sqlite3_blob**);
- int (*blob_read)(sqlite3_blob*,void*,int,int);
- int (*blob_write)(sqlite3_blob*,const void*,int,int);
- int (*create_collation_v2)(sqlite3*,const char*,int,void*,int(*)(void*,int,const void*,int,const void*),void(*)(void*));
- int (*file_control)(sqlite3*,const char*,int,void*);
- sqlite3_int64 (*memory_highwater)(int);
- sqlite3_int64 (*memory_used)(void);
- sqlite3_mutex *(*mutex_alloc)(int);
- void (*mutex_enter)(sqlite3_mutex*);
- void (*mutex_free)(sqlite3_mutex*);
- void (*mutex_leave)(sqlite3_mutex*);
- int (*mutex_try)(sqlite3_mutex*);
- int (*open_v2)(const char*,sqlite3**,int,const char*);
- int (*release_memory)(int);
- void (*result_error_nomem)(sqlite3_context*);
- void (*result_error_toobig)(sqlite3_context*);
- int (*sleep)(int);
- void (*soft_heap_limit)(int);
- sqlite3_vfs *(*vfs_find)(const char*);
- int (*vfs_register)(sqlite3_vfs*,int);
- int (*vfs_unregister)(sqlite3_vfs*);
- int (*xthreadsafe)(void);
- void (*result_zeroblob)(sqlite3_context*,int);
- void (*result_error_code)(sqlite3_context*,int);
- int (*test_control)(int, ...);
- void (*randomness)(int,void*);
- sqlite3 *(*context_db_handle)(sqlite3_context*);
- };
- /*
- ** The following macros redefine the API routines so that they are
- ** redirected throught the global sqlite3_api structure.
- **
- ** This header file is also used by the loadext.c source file
- ** (part of the main SQLite library - not an extension) so that
- ** it can get access to the sqlite3_api_routines structure
- ** definition. But the main library does not want to redefine
- ** the API. So the redefinition macros are only valid if the
- ** SQLITE_CORE macros is undefined.
- */
- #ifndef SQLITE_CORE
- #define sqlite3_aggregate_context sqlite3_api->aggregate_context
- #define sqlite3_aggregate_count sqlite3_api->aggregate_count
- #define sqlite3_bind_blob sqlite3_api->bind_blob
- #define sqlite3_bind_double sqlite3_api->bind_double
- #define sqlite3_bind_int sqlite3_api->bind_int
- #define sqlite3_bind_int64 sqlite3_api->bind_int64
- #define sqlite3_bind_null sqlite3_api->bind_null
- #define sqlite3_bind_parameter_count sqlite3_api->bind_parameter_count
- #define sqlite3_bind_parameter_index sqlite3_api->bind_parameter_index
- #define sqlite3_bind_parameter_name sqlite3_api->bind_parameter_name
- #define sqlite3_bind_text sqlite3_api->bind_text
- #define sqlite3_bind_text16 sqlite3_api->bind_text16
- #define sqlite3_bind_value sqlite3_api->bind_value
- #define sqlite3_busy_handler sqlite3_api->busy_handler
- #define sqlite3_busy_timeout sqlite3_api->busy_timeout
- #define sqlite3_changes sqlite3_api->changes
- #define sqlite3_close sqlite3_api->close
- #define sqlite3_collation_needed sqlite3_api->collation_needed
- #define sqlite3_collation_needed16 sqlite3_api->collation_needed16
- #define sqlite3_column_blob sqlite3_api->column_blob
- #define sqlite3_column_bytes sqlite3_api->column_bytes
- #define sqlite3_column_bytes16 sqlite3_api->column_bytes16
- #define sqlite3_column_count sqlite3_api->column_count
- #define sqlite3_column_database_name sqlite3_api->column_database_name
- #define sqlite3_column_database_name16 sqlite3_api->column_database_name16
- #define sqlite3_column_decltype sqlite3_api->column_decltype
- #define sqlite3_column_decltype16 sqlite3_api->column_decltype16
- #define sqlite3_column_double sqlite3_api->column_double
- #define sqlite3_column_int sqlite3_api->column_int
- #define sqlite3_column_int64 sqlite3_api->column_int64
- #define sqlite3_column_name sqlite3_api->column_name
- #define sqlite3_column_name16 sqlite3_api->column_name16
- #define sqlite3_column_origin_name sqlite3_api->column_origin_name
- #define sqlite3_column_origin_name16 sqlite3_api->column_origin_name16
- #define sqlite3_column_table_name sqlite3_api->column_table_name
- #define sqlite3_column_table_name16 sqlite3_api->column_table_name16
- #define sqlite3_column_text sqlite3_api->column_text
- #define sqlite3_column_text16 sqlite3_api->column_text16
- #define sqlite3_column_type sqlite3_api->column_type
- #define sqlite3_column_value sqlite3_api->column_value
- #define sqlite3_commit_hook sqlite3_api->commit_hook
- #define sqlite3_complete sqlite3_api->complete
- #define sqlite3_complete16 sqlite3_api->complete16
- #define sqlite3_create_collation sqlite3_api->create_collation
- #define sqlite3_create_collation16 sqlite3_api->create_collation16
- #define sqlite3_create_function sqlite3_api->create_function
- #define sqlite3_create_function16 sqlite3_api->create_function16
- #define sqlite3_create_module sqlite3_api->create_module
- #define sqlite3_create_module_v2 sqlite3_api->create_module_v2
- #define sqlite3_data_count sqlite3_api->data_count
- #define sqlite3_db_handle sqlite3_api->db_handle
- #define sqlite3_declare_vtab sqlite3_api->declare_vtab
- #define sqlite3_enable_shared_cache sqlite3_api->enable_shared_cache
- #define sqlite3_errcode sqlite3_api->errcode
- #define sqlite3_errmsg sqlite3_api->errmsg
- #define sqlite3_errmsg16 sqlite3_api->errmsg16
- #define sqlite3_exec sqlite3_api->exec
- #define sqlite3_expired sqlite3_api->expired
- #define sqlite3_finalize sqlite3_api->finalize
- #define sqlite3_free sqlite3_api->free
- #define sqlite3_free_table sqlite3_api->free_table
- #define sqlite3_get_autocommit sqlite3_api->get_autocommit
- #define sqlite3_get_auxdata sqlite3_api->get_auxdata
- #define sqlite3_get_table sqlite3_api->get_table
- #define sqlite3_global_recover sqlite3_api->global_recover
- #define sqlite3_interrupt sqlite3_api->interruptx
- #define sqlite3_last_insert_rowid sqlite3_api->last_insert_rowid
- #define sqlite3_libversion sqlite3_api->libversion
- #define sqlite3_libversion_number sqlite3_api->libversion_number
- #define sqlite3_malloc sqlite3_api->malloc
- #define sqlite3_mprintf sqlite3_api->mprintf
- #define sqlite3_open sqlite3_api->open
- #define sqlite3_open16 sqlite3_api->open16
- #define sqlite3_prepare sqlite3_api->prepare
- #define sqlite3_prepare16 sqlite3_api->prepare16
- #define sqlite3_prepare_v2 sqlite3_api->prepare_v2
- #define sqlite3_prepare16_v2 sqlite3_api->prepare16_v2
- #define sqlite3_profile sqlite3_api->profile
- #define sqlite3_progress_handler sqlite3_api->progress_handler
- #define sqlite3_realloc sqlite3_api->realloc
- #define sqlite3_reset sqlite3_api->reset
- #define sqlite3_result_blob sqlite3_api->result_blob
- #define sqlite3_result_double sqlite3_api->result_double
- #define sqlite3_result_error sqlite3_api->result_error
- #define sqlite3_result_error16 sqlite3_api->result_error16
- #define sqlite3_result_int sqlite3_api->result_int
- #define sqlite3_result_int64 sqlite3_api->result_int64
- #define sqlite3_result_null sqlite3_api->result_null
- #define sqlite3_result_text sqlite3_api->result_text
- #define sqlite3_result_text16 sqlite3_api->result_text16
- #define sqlite3_result_text16be sqlite3_api->result_text16be
- #define sqlite3_result_text16le sqlite3_api->result_text16le
- #define sqlite3_result_value sqlite3_api->result_value
- #define sqlite3_rollback_hook sqlite3_api->rollback_hook
- #define sqlite3_set_authorizer sqlite3_api->set_authorizer
- #define sqlite3_set_auxdata sqlite3_api->set_auxdata
- #define sqlite3_snprintf sqlite3_api->snprintf
- #define sqlite3_step sqlite3_api->step
- #define sqlite3_table_column_metadata sqlite3_api->table_column_metadata
- #define sqlite3_thread_cleanup sqlite3_api->thread_cleanup
- #define sqlite3_total_changes sqlite3_api->total_changes
- #define sqlite3_trace sqlite3_api->trace
- #define sqlite3_transfer_bindings sqlite3_api->transfer_bindings
- #define sqlite3_update_hook sqlite3_api->update_hook
- #define sqlite3_user_data sqlite3_api->user_data
- #define sqlite3_value_blob sqlite3_api->value_blob
- #define sqlite3_value_bytes sqlite3_api->value_bytes
- #define sqlite3_value_bytes16 sqlite3_api->value_bytes16
- #define sqlite3_value_double sqlite3_api->value_double
- #define sqlite3_value_int sqlite3_api->value_int
- #define sqlite3_value_int64 sqlite3_api->value_int64
- #define sqlite3_value_numeric_type sqlite3_api->value_numeric_type
- #define sqlite3_value_text sqlite3_api->value_text
- #define sqlite3_value_text16 sqlite3_api->value_text16
- #define sqlite3_value_text16be sqlite3_api->value_text16be
- #define sqlite3_value_text16le sqlite3_api->value_text16le
- #define sqlite3_value_type sqlite3_api->value_type
- #define sqlite3_vmprintf sqlite3_api->vmprintf
- #define sqlite3_overload_function sqlite3_api->overload_function
- #define sqlite3_prepare_v2 sqlite3_api->prepare_v2
- #define sqlite3_prepare16_v2 sqlite3_api->prepare16_v2
- #define sqlite3_clear_bindings sqlite3_api->clear_bindings
- #define sqlite3_bind_zeroblob sqlite3_api->bind_zeroblob
- #define sqlite3_blob_bytes sqlite3_api->blob_bytes
- #define sqlite3_blob_close sqlite3_api->blob_close
- #define sqlite3_blob_open sqlite3_api->blob_open
- #define sqlite3_blob_read sqlite3_api->blob_read
- #define sqlite3_blob_write sqlite3_api->blob_write
- #define sqlite3_create_collation_v2 sqlite3_api->create_collation_v2
- #define sqlite3_file_control sqlite3_api->file_control
- #define sqlite3_memory_highwater sqlite3_api->memory_highwater
- #define sqlite3_memory_used sqlite3_api->memory_used
- #define sqlite3_mutex_alloc sqlite3_api->mutex_alloc
- #define sqlite3_mutex_enter sqlite3_api->mutex_enter
- #define sqlite3_mutex_free sqlite3_api->mutex_free
- #define sqlite3_mutex_leave sqlite3_api->mutex_leave
- #define sqlite3_mutex_try sqlite3_api->mutex_try
- #define sqlite3_open_v2 sqlite3_api->open_v2
- #define sqlite3_release_memory sqlite3_api->release_memory
- #define sqlite3_result_error_nomem sqlite3_api->result_error_nomem
- #define sqlite3_result_error_toobig sqlite3_api->result_error_toobig
- #define sqlite3_sleep sqlite3_api->sleep
- #define sqlite3_soft_heap_limit sqlite3_api->soft_heap_limit
- #define sqlite3_vfs_find sqlite3_api->vfs_find
- #define sqlite3_vfs_register sqlite3_api->vfs_register
- #define sqlite3_vfs_unregister sqlite3_api->vfs_unregister
- #define sqlite3_threadsafe sqlite3_api->xthreadsafe
- #define sqlite3_result_zeroblob sqlite3_api->result_zeroblob
- #define sqlite3_result_error_code sqlite3_api->result_error_code
- #define sqlite3_test_control sqlite3_api->test_control
- #define sqlite3_randomness sqlite3_api->randomness
- #define sqlite3_context_db_handle sqlite3_api->context_db_handle
- #endif /* SQLITE_CORE */
- #define SQLITE_EXTENSION_INIT1 const sqlite3_api_routines *sqlite3_api;
- #define SQLITE_EXTENSION_INIT2(v) sqlite3_api = v;
- #endif /* _SQLITE3EXT_H_ */