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1/*
2** 2006 June 7
3**
4** The author disclaims copyright to this source code. In place of
5** a legal notice, here is a blessing:
6**
7** May you do good and not evil.
8** May you find forgiveness for yourself and forgive others.
9** May you share freely, never taking more than you give.
10**
11*************************************************************************
12** This header file defines the SQLite interface for use by
13** shared libraries that want to be imported as extensions into
14** an SQLite instance. Shared libraries that intend to be loaded
15** as extensions by SQLite should #include this file instead of
16** sqlite3.h.
17**
18** @(#) $Id: sqlite3ext.h,v 1.17 2007/08/31 16:11:36 drh Exp $
19*/
20#ifndef _SQLITE3EXT_H_
21#define _SQLITE3EXT_H_
22#include "sqlite3.h"
23
24typedef struct sqlite3_api_routines sqlite3_api_routines;
25
26/*
27** The following structure hold pointers to all of the SQLite API
28** routines.
29**
30** WARNING: In order to maintain backwards compatibility, add new
31** interfaces to the end of this structure only. If you insert new
32** interfaces in the middle of this structure, then older different
33** versions of SQLite will not be able to load each others shared
34** libraries!
35*/
36struct sqlite3_api_routines {
37 void * (*aggregate_context)(sqlite3_context*,int nBytes);
38 int (*aggregate_count)(sqlite3_context*);
39 int (*bind_blob)(sqlite3_stmt*,int,const void*,int n,void(*)(void*));
40 int (*bind_double)(sqlite3_stmt*,int,double);
41 int (*bind_int)(sqlite3_stmt*,int,int);
42 int (*bind_int64)(sqlite3_stmt*,int,sqlite_int64);
43 int (*bind_null)(sqlite3_stmt*,int);
44 int (*bind_parameter_count)(sqlite3_stmt*);
45 int (*bind_parameter_index)(sqlite3_stmt*,const char*zName);
46 const char * (*bind_parameter_name)(sqlite3_stmt*,int);
47 int (*bind_text)(sqlite3_stmt*,int,const char*,int n,void(*)(void*));
48 int (*bind_text16)(sqlite3_stmt*,int,const void*,int,void(*)(void*));
49 int (*bind_value)(sqlite3_stmt*,int,const sqlite3_value*);
50 int (*busy_handler)(sqlite3*,int(*)(void*,int),void*);
51 int (*busy_timeout)(sqlite3*,int ms);
52 int (*changes)(sqlite3*);
53 int (*close)(sqlite3*);
54 int (*collation_needed)(sqlite3*,void*,void(*)(void*,sqlite3*,int eTextRep,const char*));
55 int (*collation_needed16)(sqlite3*,void*,void(*)(void*,sqlite3*,int eTextRep,const void*));
56 const void * (*column_blob)(sqlite3_stmt*,int iCol);
57 int (*column_bytes)(sqlite3_stmt*,int iCol);
58 int (*column_bytes16)(sqlite3_stmt*,int iCol);
59 int (*column_count)(sqlite3_stmt*pStmt);
60 const char * (*column_database_name)(sqlite3_stmt*,int);
61 const void * (*column_database_name16)(sqlite3_stmt*,int);
62 const char * (*column_decltype)(sqlite3_stmt*,int i);
63 const void * (*column_decltype16)(sqlite3_stmt*,int);
64 double (*column_double)(sqlite3_stmt*,int iCol);
65 int (*column_int)(sqlite3_stmt*,int iCol);
66 sqlite_int64 (*column_int64)(sqlite3_stmt*,int iCol);
67 const char * (*column_name)(sqlite3_stmt*,int);
68 const void * (*column_name16)(sqlite3_stmt*,int);
69 const char * (*column_origin_name)(sqlite3_stmt*,int);
70 const void * (*column_origin_name16)(sqlite3_stmt*,int);
71 const char * (*column_table_name)(sqlite3_stmt*,int);
72 const void * (*column_table_name16)(sqlite3_stmt*,int);
73 const unsigned char * (*column_text)(sqlite3_stmt*,int iCol);
74 const void * (*column_text16)(sqlite3_stmt*,int iCol);
75 int (*column_type)(sqlite3_stmt*,int iCol);
76 sqlite3_value* (*column_value)(sqlite3_stmt*,int iCol);
77 void * (*commit_hook)(sqlite3*,int(*)(void*),void*);
78 int (*complete)(const char*sql);
79 int (*complete16)(const void*sql);
80 int (*create_collation)(sqlite3*,const char*,int,void*,int(*)(void*,int,const void*,int,const void*));
81 int (*create_collation16)(sqlite3*,const char*,int,void*,int(*)(void*,int,const void*,int,const void*));
82 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*));
83 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*));
84 int (*create_module)(sqlite3*,const char*,const sqlite3_module*,void*);
85 int (*data_count)(sqlite3_stmt*pStmt);
86 sqlite3 * (*db_handle)(sqlite3_stmt*);
87 int (*declare_vtab)(sqlite3*,const char*);
88 int (*enable_shared_cache)(int);
89 int (*errcode)(sqlite3*db);
90 const char * (*errmsg)(sqlite3*);
91 const void * (*errmsg16)(sqlite3*);
92 int (*exec)(sqlite3*,const char*,sqlite3_callback,void*,char**);
93 int (*expired)(sqlite3_stmt*);
94 int (*finalize)(sqlite3_stmt*pStmt);
95 void (*free)(void*);
96 void (*free_table)(char**result);
97 int (*get_autocommit)(sqlite3*);
98 void * (*get_auxdata)(sqlite3_context*,int);
99 int (*get_table)(sqlite3*,const char*,char***,int*,int*,char**);
100 int (*global_recover)(void);
101 void (*interruptx)(sqlite3*);
102 sqlite_int64 (*last_insert_rowid)(sqlite3*);
103 const char * (*libversion)(void);
104 int (*libversion_number)(void);
105 void *(*malloc)(int);
106 char * (*mprintf)(const char*,...);
107 int (*open)(const char*,sqlite3**);
108 int (*open16)(const void*,sqlite3**);
109 int (*prepare)(sqlite3*,const char*,int,sqlite3_stmt**,const char**);
110 int (*prepare16)(sqlite3*,const void*,int,sqlite3_stmt**,const void**);
111 void * (*profile)(sqlite3*,void(*)(void*,const char*,sqlite_uint64),void*);
112 void (*progress_handler)(sqlite3*,int,int(*)(void*),void*);
113 void *(*realloc)(void*,int);
114 int (*reset)(sqlite3_stmt*pStmt);
115 void (*result_blob)(sqlite3_context*,const void*,int,void(*)(void*));
116 void (*result_double)(sqlite3_context*,double);
117 void (*result_error)(sqlite3_context*,const char*,int);
118 void (*result_error16)(sqlite3_context*,const void*,int);
119 void (*result_int)(sqlite3_context*,int);
120 void (*result_int64)(sqlite3_context*,sqlite_int64);
121 void (*result_null)(sqlite3_context*);
122 void (*result_text)(sqlite3_context*,const char*,int,void(*)(void*));
123 void (*result_text16)(sqlite3_context*,const void*,int,void(*)(void*));
124 void (*result_text16be)(sqlite3_context*,const void*,int,void(*)(void*));
125 void (*result_text16le)(sqlite3_context*,const void*,int,void(*)(void*));
126 void (*result_value)(sqlite3_context*,sqlite3_value*);
127 void * (*rollback_hook)(sqlite3*,void(*)(void*),void*);
128 int (*set_authorizer)(sqlite3*,int(*)(void*,int,const char*,const char*,const char*,const char*),void*);
129 void (*set_auxdata)(sqlite3_context*,int,void*,void (*)(void*));
130 char * (*snprintf)(int,char*,const char*,...);
131 int (*step)(sqlite3_stmt*);
132 int (*table_column_metadata)(sqlite3*,const char*,const char*,const char*,char const**,char const**,int*,int*,int*);
133 void (*thread_cleanup)(void);
134 int (*total_changes)(sqlite3*);
135 void * (*trace)(sqlite3*,void(*xTrace)(void*,const char*),void*);
136 int (*transfer_bindings)(sqlite3_stmt*,sqlite3_stmt*);
137 void * (*update_hook)(sqlite3*,void(*)(void*,int ,char const*,char const*,sqlite_int64),void*);
138 void * (*user_data)(sqlite3_context*);
139 const void * (*value_blob)(sqlite3_value*);
140 int (*value_bytes)(sqlite3_value*);
141 int (*value_bytes16)(sqlite3_value*);
142 double (*value_double)(sqlite3_value*);
143 int (*value_int)(sqlite3_value*);
144 sqlite_int64 (*value_int64)(sqlite3_value*);
145 int (*value_numeric_type)(sqlite3_value*);
146 const unsigned char * (*value_text)(sqlite3_value*);
147 const void * (*value_text16)(sqlite3_value*);
148 const void * (*value_text16be)(sqlite3_value*);
149 const void * (*value_text16le)(sqlite3_value*);
150 int (*value_type)(sqlite3_value*);
151 char *(*vmprintf)(const char*,va_list);
152 /* Added ??? */
153 int (*overload_function)(sqlite3*, const char *zFuncName, int nArg);
154 /* Added by 3.3.13 */
155 int (*prepare_v2)(sqlite3*,const char*,int,sqlite3_stmt**,const char**);
156 int (*prepare16_v2)(sqlite3*,const void*,int,sqlite3_stmt**,const void**);
157 int (*clear_bindings)(sqlite3_stmt*);
158 /* Added by 3.4.1 */
159 int (*create_module_v2)(sqlite3*,const char*,const sqlite3_module*,void*,void (*xDestroy)(void *));
160 /* Added by 3.5.0 */
161 int (*bind_zeroblob)(sqlite3_stmt*,int,int);
162 int (*blob_bytes)(sqlite3_blob*);
163 int (*blob_close)(sqlite3_blob*);
164 int (*blob_open)(sqlite3*,const char*,const char*,const char*,sqlite3_int64,int,sqlite3_blob**);
165 int (*blob_read)(sqlite3_blob*,void*,int,int);
166 int (*blob_write)(sqlite3_blob*,const void*,int,int);
167 int (*create_collation_v2)(sqlite3*,const char*,int,void*,int(*)(void*,int,const void*,int,const void*),void(*)(void*));
168 int (*file_control)(sqlite3*,const char*,int,void*);
169 sqlite3_int64 (*memory_highwater)(int);
170 sqlite3_int64 (*memory_used)(void);
171 sqlite3_mutex *(*mutex_alloc)(int);
172 void (*mutex_enter)(sqlite3_mutex*);
173 void (*mutex_free)(sqlite3_mutex*);
174 void (*mutex_leave)(sqlite3_mutex*);
175 int (*mutex_try)(sqlite3_mutex*);
176 int (*open_v2)(const char*,sqlite3**,int,const char*);
177 int (*release_memory)(int);
178 void (*result_error_nomem)(sqlite3_context*);
179 void (*result_error_toobig)(sqlite3_context*);
180 int (*sleep)(int);
181 void (*soft_heap_limit)(int);
182 sqlite3_vfs *(*vfs_find)(const char*);
183 int (*vfs_register)(sqlite3_vfs*,int);
184 int (*vfs_unregister)(sqlite3_vfs*);
185};
186
187/*
188** The following macros redefine the API routines so that they are
189** redirected throught the global sqlite3_api structure.
190**
191** This header file is also used by the loadext.c source file
192** (part of the main SQLite library - not an extension) so that
193** it can get access to the sqlite3_api_routines structure
194** definition. But the main library does not want to redefine
195** the API. So the redefinition macros are only valid if the
196** SQLITE_CORE macros is undefined.
197*/
198#ifndef SQLITE_CORE
199#define sqlite3_aggregate_context sqlite3_api->aggregate_context
200#define sqlite3_aggregate_count sqlite3_api->aggregate_count
201#define sqlite3_bind_blob sqlite3_api->bind_blob
202#define sqlite3_bind_double sqlite3_api->bind_double
203#define sqlite3_bind_int sqlite3_api->bind_int
204#define sqlite3_bind_int64 sqlite3_api->bind_int64
205#define sqlite3_bind_null sqlite3_api->bind_null
206#define sqlite3_bind_parameter_count sqlite3_api->bind_parameter_count
207#define sqlite3_bind_parameter_index sqlite3_api->bind_parameter_index
208#define sqlite3_bind_parameter_name sqlite3_api->bind_parameter_name
209#define sqlite3_bind_text sqlite3_api->bind_text
210#define sqlite3_bind_text16 sqlite3_api->bind_text16
211#define sqlite3_bind_value sqlite3_api->bind_value
212#define sqlite3_busy_handler sqlite3_api->busy_handler
213#define sqlite3_busy_timeout sqlite3_api->busy_timeout
214#define sqlite3_changes sqlite3_api->changes
215#define sqlite3_close sqlite3_api->close
216#define sqlite3_collation_needed sqlite3_api->collation_needed
217#define sqlite3_collation_needed16 sqlite3_api->collation_needed16
218#define sqlite3_column_blob sqlite3_api->column_blob
219#define sqlite3_column_bytes sqlite3_api->column_bytes
220#define sqlite3_column_bytes16 sqlite3_api->column_bytes16
221#define sqlite3_column_count sqlite3_api->column_count
222#define sqlite3_column_database_name sqlite3_api->column_database_name
223#define sqlite3_column_database_name16 sqlite3_api->column_database_name16
224#define sqlite3_column_decltype sqlite3_api->column_decltype
225#define sqlite3_column_decltype16 sqlite3_api->column_decltype16
226#define sqlite3_column_double sqlite3_api->column_double
227#define sqlite3_column_int sqlite3_api->column_int
228#define sqlite3_column_int64 sqlite3_api->column_int64
229#define sqlite3_column_name sqlite3_api->column_name
230#define sqlite3_column_name16 sqlite3_api->column_name16
231#define sqlite3_column_origin_name sqlite3_api->column_origin_name
232#define sqlite3_column_origin_name16 sqlite3_api->column_origin_name16
233#define sqlite3_column_table_name sqlite3_api->column_table_name
234#define sqlite3_column_table_name16 sqlite3_api->column_table_name16
235#define sqlite3_column_text sqlite3_api->column_text
236#define sqlite3_column_text16 sqlite3_api->column_text16
237#define sqlite3_column_type sqlite3_api->column_type
238#define sqlite3_column_value sqlite3_api->column_value
239#define sqlite3_commit_hook sqlite3_api->commit_hook
240#define sqlite3_complete sqlite3_api->complete
241#define sqlite3_complete16 sqlite3_api->complete16
242#define sqlite3_create_collation sqlite3_api->create_collation
243#define sqlite3_create_collation16 sqlite3_api->create_collation16
244#define sqlite3_create_function sqlite3_api->create_function
245#define sqlite3_create_function16 sqlite3_api->create_function16
246#define sqlite3_create_module sqlite3_api->create_module
247#define sqlite3_create_module_v2 sqlite3_api->create_module_v2
248#define sqlite3_data_count sqlite3_api->data_count
249#define sqlite3_db_handle sqlite3_api->db_handle
250#define sqlite3_declare_vtab sqlite3_api->declare_vtab
251#define sqlite3_enable_shared_cache sqlite3_api->enable_shared_cache
252#define sqlite3_errcode sqlite3_api->errcode
253#define sqlite3_errmsg sqlite3_api->errmsg
254#define sqlite3_errmsg16 sqlite3_api->errmsg16
255#define sqlite3_exec sqlite3_api->exec
256#define sqlite3_expired sqlite3_api->expired
257#define sqlite3_finalize sqlite3_api->finalize
258#define sqlite3_free sqlite3_api->free
259#define sqlite3_free_table sqlite3_api->free_table
260#define sqlite3_get_autocommit sqlite3_api->get_autocommit
261#define sqlite3_get_auxdata sqlite3_api->get_auxdata
262#define sqlite3_get_table sqlite3_api->get_table
263#define sqlite3_global_recover sqlite3_api->global_recover
264#define sqlite3_interrupt sqlite3_api->interruptx
265#define sqlite3_last_insert_rowid sqlite3_api->last_insert_rowid
266#define sqlite3_libversion sqlite3_api->libversion
267#define sqlite3_libversion_number sqlite3_api->libversion_number
268#define sqlite3_malloc sqlite3_api->malloc
269#define sqlite3_mprintf sqlite3_api->mprintf
270#define sqlite3_open sqlite3_api->open
271#define sqlite3_open16 sqlite3_api->open16
272#define sqlite3_prepare sqlite3_api->prepare
273#define sqlite3_prepare16 sqlite3_api->prepare16
274#define sqlite3_prepare_v2 sqlite3_api->prepare_v2
275#define sqlite3_prepare16_v2 sqlite3_api->prepare16_v2
276#define sqlite3_profile sqlite3_api->profile
277#define sqlite3_progress_handler sqlite3_api->progress_handler
278#define sqlite3_realloc sqlite3_api->realloc
279#define sqlite3_reset sqlite3_api->reset
280#define sqlite3_result_blob sqlite3_api->result_blob
281#define sqlite3_result_double sqlite3_api->result_double
282#define sqlite3_result_error sqlite3_api->result_error
283#define sqlite3_result_error16 sqlite3_api->result_error16
284#define sqlite3_result_int sqlite3_api->result_int
285#define sqlite3_result_int64 sqlite3_api->result_int64
286#define sqlite3_result_null sqlite3_api->result_null
287#define sqlite3_result_text sqlite3_api->result_text
288#define sqlite3_result_text16 sqlite3_api->result_text16
289#define sqlite3_result_text16be sqlite3_api->result_text16be
290#define sqlite3_result_text16le sqlite3_api->result_text16le
291#define sqlite3_result_value sqlite3_api->result_value
292#define sqlite3_rollback_hook sqlite3_api->rollback_hook
293#define sqlite3_set_authorizer sqlite3_api->set_authorizer
294#define sqlite3_set_auxdata sqlite3_api->set_auxdata
295#define sqlite3_snprintf sqlite3_api->snprintf
296#define sqlite3_step sqlite3_api->step
297#define sqlite3_table_column_metadata sqlite3_api->table_column_metadata
298#define sqlite3_thread_cleanup sqlite3_api->thread_cleanup
299#define sqlite3_total_changes sqlite3_api->total_changes
300#define sqlite3_trace sqlite3_api->trace
301#define sqlite3_transfer_bindings sqlite3_api->transfer_bindings
302#define sqlite3_update_hook sqlite3_api->update_hook
303#define sqlite3_user_data sqlite3_api->user_data
304#define sqlite3_value_blob sqlite3_api->value_blob
305#define sqlite3_value_bytes sqlite3_api->value_bytes
306#define sqlite3_value_bytes16 sqlite3_api->value_bytes16
307#define sqlite3_value_double sqlite3_api->value_double
308#define sqlite3_value_int sqlite3_api->value_int
309#define sqlite3_value_int64 sqlite3_api->value_int64
310#define sqlite3_value_numeric_type sqlite3_api->value_numeric_type
311#define sqlite3_value_text sqlite3_api->value_text
312#define sqlite3_value_text16 sqlite3_api->value_text16
313#define sqlite3_value_text16be sqlite3_api->value_text16be
314#define sqlite3_value_text16le sqlite3_api->value_text16le
315#define sqlite3_value_type sqlite3_api->value_type
316#define sqlite3_vmprintf sqlite3_api->vmprintf
317#define sqlite3_overload_function sqlite3_api->overload_function
318#define sqlite3_prepare_v2 sqlite3_api->prepare_v2
319#define sqlite3_prepare16_v2 sqlite3_api->prepare16_v2
320#define sqlite3_clear_bindings sqlite3_api->clear_bindings
321#define sqlite3_bind_zeroblob sqlite3_api->bind_zeroblob
322#define sqlite3_blob_bytes sqlite3_api->blob_bytes
323#define sqlite3_blob_close sqlite3_api->blob_close
324#define sqlite3_blob_open sqlite3_api->blob_open
325#define sqlite3_blob_read sqlite3_api->blob_read
326#define sqlite3_blob_write sqlite3_api->blob_write
327#define sqlite3_create_collation_v2 sqlite3_api->create_collation_v2
328#define sqlite3_file_control sqlite3_api->file_control
329#define sqlite3_memory_highwater sqlite3_api->memory_highwater
330#define sqlite3_memory_used sqlite3_api->memory_used
331#define sqlite3_mutex_alloc sqlite3_api->mutex_alloc
332#define sqlite3_mutex_enter sqlite3_api->mutex_enter
333#define sqlite3_mutex_free sqlite3_api->mutex_free
334#define sqlite3_mutex_leave sqlite3_api->mutex_leave
335#define sqlite3_mutex_try sqlite3_api->mutex_try
336#define sqlite3_open_v2 sqlite3_api->open_v2
337#define sqlite3_release_memory sqlite3_api->release_memory
338#define sqlite3_result_error_nomem sqlite3_api->result_error_nomem
339#define sqlite3_result_error_toobig sqlite3_api->result_error_toobig
340#define sqlite3_sleep sqlite3_api->sleep
341#define sqlite3_soft_heap_limit sqlite3_api->soft_heap_limit
342#define sqlite3_vfs_find sqlite3_api->vfs_find
343#define sqlite3_vfs_register sqlite3_api->vfs_register
344#define sqlite3_vfs_unregister sqlite3_api->vfs_unregister
345#endif /* SQLITE_CORE */
346
347#define SQLITE_EXTENSION_INIT1 const sqlite3_api_routines *sqlite3_api;
348#define SQLITE_EXTENSION_INIT2(v) sqlite3_api = v;
349
350#endif /* _SQLITE3EXT_H_ */
generated by cgit v1.1 at 2024-11-10 22:05:07 +0000