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 1.10 2007/03/29 18:46:01 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*/ 30struct sqlite3_api_routines { 31 void * (*aggregate_context)(sqlite3_context*,int nBytes); 32 int (*aggregate_count)(sqlite3_context*); 33 int (*bind_blob)(sqlite3_stmt*,int,const void*,int n,void(*)(void*)); 34 int (*bind_double)(sqlite3_stmt*,int,double); 35 int (*bind_int)(sqlite3_stmt*,int,int); 36 int (*bind_int64)(sqlite3_stmt*,int,sqlite_int64); 37 int (*bind_null)(sqlite3_stmt*,int); 38 int (*bind_parameter_count)(sqlite3_stmt*); 39 int (*bind_parameter_index)(sqlite3_stmt*,const char*zName); 40 const char * (*bind_parameter_name)(sqlite3_stmt*,int); 41 int (*bind_text)(sqlite3_stmt*,int,const char*,int n,void(*)(void*)); 42 int (*bind_text16)(sqlite3_stmt*,int,const void*,int,void(*)(void*)); 43 int (*bind_value)(sqlite3_stmt*,int,const sqlite3_value*); 44 int (*busy_handler)(sqlite3*,int(*)(void*,int),void*); 45 int (*busy_timeout)(sqlite3*,int ms); 46 int (*changes)(sqlite3*); 47 int (*close)(sqlite3*); 48 int (*collation_needed)(sqlite3*,void*,void(*)(void*,sqlite3*,int eTextRep,const char*)); 49 int (*collation_needed16)(sqlite3*,void*,void(*)(void*,sqlite3*,int eTextRep,const void*)); 50 const void * (*column_blob)(sqlite3_stmt*,int iCol); 51 int (*column_bytes)(sqlite3_stmt*,int iCol); 52 int (*column_bytes16)(sqlite3_stmt*,int iCol); 53 int (*column_count)(sqlite3_stmt*pStmt); 54 const char * (*column_database_name)(sqlite3_stmt*,int); 55 const void * (*column_database_name16)(sqlite3_stmt*,int); 56 const char * (*column_decltype)(sqlite3_stmt*,int i); 57 const void * (*column_decltype16)(sqlite3_stmt*,int); 58 double (*column_double)(sqlite3_stmt*,int iCol); 59 int (*column_int)(sqlite3_stmt*,int iCol); 60 sqlite_int64 (*column_int64)(sqlite3_stmt*,int iCol); 61 const char * (*column_name)(sqlite3_stmt*,int); 62 const void * (*column_name16)(sqlite3_stmt*,int); 63 const char * (*column_origin_name)(sqlite3_stmt*,int); 64 const void * (*column_origin_name16)(sqlite3_stmt*,int); 65 const char * (*column_table_name)(sqlite3_stmt*,int); 66 const void * (*column_table_name16)(sqlite3_stmt*,int); 67 const unsigned char * (*column_text)(sqlite3_stmt*,int iCol); 68 const void * (*column_text16)(sqlite3_stmt*,int iCol); 69 int (*column_type)(sqlite3_stmt*,int iCol); 70 sqlite3_value* (*column_value)(sqlite3_stmt*,int iCol); 71 void * (*commit_hook)(sqlite3*,int(*)(void*),void*); 72 int (*complete)(const char*sql); 73 int (*complete16)(const void*sql); 74 int (*create_collation)(sqlite3*,const char*,int,void*,int(*)(void*,int,const void*,int,const void*)); 75 int (*create_collation16)(sqlite3*,const char*,int,void*,int(*)(void*,int,const void*,int,const void*)); 76 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*)); 77 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*)); 78 int (*create_module)(sqlite3*,const char*,const sqlite3_module*,void*); 79 int (*data_count)(sqlite3_stmt*pStmt); 80 sqlite3 * (*db_handle)(sqlite3_stmt*); 81 int (*declare_vtab)(sqlite3*,const char*); 82 int (*enable_shared_cache)(int); 83 int (*errcode)(sqlite3*db); 84 const char * (*errmsg)(sqlite3*); 85 const void * (*errmsg16)(sqlite3*); 86 int (*exec)(sqlite3*,const char*,sqlite3_callback,void*,char**); 87 int (*expired)(sqlite3_stmt*); 88 int (*finalize)(sqlite3_stmt*pStmt); 89 void (*free)(void*); 90 void (*free_table)(char**result); 91 int (*get_autocommit)(sqlite3*); 92 void * (*get_auxdata)(sqlite3_context*,int); 93 int (*get_table)(sqlite3*,const char*,char***,int*,int*,char**); 94 int (*global_recover)(void); 95 void (*interruptx)(sqlite3*); 96 sqlite_int64 (*last_insert_rowid)(sqlite3*); 97 const char * (*libversion)(void); 98 int (*libversion_number)(void); 99 void *(*malloc)(int); 100 char * (*mprintf)(const char*,...); 101 int (*open)(const char*,sqlite3**); 102 int (*open16)(const void*,sqlite3**); 103 int (*prepare)(sqlite3*,const char*,int,sqlite3_stmt**,const char**); 104 int (*prepare16)(sqlite3*,const void*,int,sqlite3_stmt**,const void**); 105 void * (*profile)(sqlite3*,void(*)(void*,const char*,sqlite_uint64),void*); 106 void (*progress_handler)(sqlite3*,int,int(*)(void*),void*); 107 void *(*realloc)(void*,int); 108 int (*reset)(sqlite3_stmt*pStmt); 109 void (*result_blob)(sqlite3_context*,const void*,int,void(*)(void*)); 110 void (*result_double)(sqlite3_context*,double); 111 void (*result_error)(sqlite3_context*,const char*,int); 112 void (*result_error16)(sqlite3_context*,const void*,int); 113 void (*result_int)(sqlite3_context*,int); 114 void (*result_int64)(sqlite3_context*,sqlite_int64); 115 void (*result_null)(sqlite3_context*); 116 void (*result_text)(sqlite3_context*,const char*,int,void(*)(void*)); 117 void (*result_text16)(sqlite3_context*,const void*,int,void(*)(void*)); 118 void (*result_text16be)(sqlite3_context*,const void*,int,void(*)(void*)); 119 void (*result_text16le)(sqlite3_context*,const void*,int,void(*)(void*)); 120 void (*result_value)(sqlite3_context*,sqlite3_value*); 121 void * (*rollback_hook)(sqlite3*,void(*)(void*),void*); 122 int (*set_authorizer)(sqlite3*,int(*)(void*,int,const char*,const char*,const char*,const char*),void*); 123 void (*set_auxdata)(sqlite3_context*,int,void*,void (*)(void*)); 124 char * (*snprintf)(int,char*,const char*,...); 125 int (*step)(sqlite3_stmt*); 126 int (*table_column_metadata)(sqlite3*,const char*,const char*,const char*,char const**,char const**,int*,int*,int*); 127 void (*thread_cleanup)(void); 128 int (*total_changes)(sqlite3*); 129 void * (*trace)(sqlite3*,void(*xTrace)(void*,const char*),void*); 130 int (*transfer_bindings)(sqlite3_stmt*,sqlite3_stmt*); 131 void * (*update_hook)(sqlite3*,void(*)(void*,int ,char const*,char const*,sqlite_int64),void*); 132 void * (*user_data)(sqlite3_context*); 133 const void * (*value_blob)(sqlite3_value*); 134 int (*value_bytes)(sqlite3_value*); 135 int (*value_bytes16)(sqlite3_value*); 136 double (*value_double)(sqlite3_value*); 137 int (*value_int)(sqlite3_value*); 138 sqlite_int64 (*value_int64)(sqlite3_value*); 139 int (*value_numeric_type)(sqlite3_value*); 140 const unsigned char * (*value_text)(sqlite3_value*); 141 const void * (*value_text16)(sqlite3_value*); 142 const void * (*value_text16be)(sqlite3_value*); 143 const void * (*value_text16le)(sqlite3_value*); 144 int (*value_type)(sqlite3_value*); 145 char *(*vmprintf)(const char*,va_list); 146 int (*overload_function)(sqlite3*, const char *zFuncName, int nArg); 147 int (*prepare_v2)(sqlite3*,const char*,int,sqlite3_stmt**,const char**); 148 int (*prepare16_v2)(sqlite3*,const void*,int,sqlite3_stmt**,const void**); 149 int (*clear_bindings)(sqlite3_stmt*); 150}; 151 152/* 153** The following macros redefine the API routines so that they are 154** redirected throught the global sqlite3_api structure. 155** 156** This header file is also used by the loadext.c source file 157** (part of the main SQLite library - not an extension) so that 158** it can get access to the sqlite3_api_routines structure 159** definition. But the main library does not want to redefine 160** the API. So the redefinition macros are only valid if the 161** SQLITE_CORE macros is undefined. 162*/ 163#ifndef SQLITE_CORE 164#define sqlite3_aggregate_context sqlite3_api->aggregate_context 165#define sqlite3_aggregate_count sqlite3_api->aggregate_count 166#define sqlite3_bind_blob sqlite3_api->bind_blob 167#define sqlite3_bind_double sqlite3_api->bind_double 168#define sqlite3_bind_int sqlite3_api->bind_int 169#define sqlite3_bind_int64 sqlite3_api->bind_int64 170#define sqlite3_bind_null sqlite3_api->bind_null 171#define sqlite3_bind_parameter_count sqlite3_api->bind_parameter_count 172#define sqlite3_bind_parameter_index sqlite3_api->bind_parameter_index 173#define sqlite3_bind_parameter_name sqlite3_api->bind_parameter_name 174#define sqlite3_bind_text sqlite3_api->bind_text 175#define sqlite3_bind_text16 sqlite3_api->bind_text16 176#define sqlite3_bind_value sqlite3_api->bind_value 177#define sqlite3_busy_handler sqlite3_api->busy_handler 178#define sqlite3_busy_timeout sqlite3_api->busy_timeout 179#define sqlite3_changes sqlite3_api->changes 180#define sqlite3_close sqlite3_api->close 181#define sqlite3_collation_needed sqlite3_api->collation_needed 182#define sqlite3_collation_needed16 sqlite3_api->collation_needed16 183#define sqlite3_column_blob sqlite3_api->column_blob 184#define sqlite3_column_bytes sqlite3_api->column_bytes 185#define sqlite3_column_bytes16 sqlite3_api->column_bytes16 186#define sqlite3_column_count sqlite3_api->column_count 187#define sqlite3_column_database_name sqlite3_api->column_database_name 188#define sqlite3_column_database_name16 sqlite3_api->column_database_name16 189#define sqlite3_column_decltype sqlite3_api->column_decltype 190#define sqlite3_column_decltype16 sqlite3_api->column_decltype16 191#define sqlite3_column_double sqlite3_api->column_double 192#define sqlite3_column_int sqlite3_api->column_int 193#define sqlite3_column_int64 sqlite3_api->column_int64 194#define sqlite3_column_name sqlite3_api->column_name 195#define sqlite3_column_name16 sqlite3_api->column_name16 196#define sqlite3_column_origin_name sqlite3_api->column_origin_name 197#define sqlite3_column_origin_name16 sqlite3_api->column_origin_name16 198#define sqlite3_column_table_name sqlite3_api->column_table_name 199#define sqlite3_column_table_name16 sqlite3_api->column_table_name16 200#define sqlite3_column_text sqlite3_api->column_text 201#define sqlite3_column_text16 sqlite3_api->column_text16 202#define sqlite3_column_type sqlite3_api->column_type 203#define sqlite3_column_value sqlite3_api->column_value 204#define sqlite3_commit_hook sqlite3_api->commit_hook 205#define sqlite3_complete sqlite3_api->complete 206#define sqlite3_complete16 sqlite3_api->complete16 207#define sqlite3_create_collation sqlite3_api->create_collation 208#define sqlite3_create_collation16 sqlite3_api->create_collation16 209#define sqlite3_create_function sqlite3_api->create_function 210#define sqlite3_create_function16 sqlite3_api->create_function16 211#define sqlite3_create_module sqlite3_api->create_module 212#define sqlite3_data_count sqlite3_api->data_count 213#define sqlite3_db_handle sqlite3_api->db_handle 214#define sqlite3_declare_vtab sqlite3_api->declare_vtab 215#define sqlite3_enable_shared_cache sqlite3_api->enable_shared_cache 216#define sqlite3_errcode sqlite3_api->errcode 217#define sqlite3_errmsg sqlite3_api->errmsg 218#define sqlite3_errmsg16 sqlite3_api->errmsg16 219#define sqlite3_exec sqlite3_api->exec 220#define sqlite3_expired sqlite3_api->expired 221#define sqlite3_finalize sqlite3_api->finalize 222#define sqlite3_free sqlite3_api->free 223#define sqlite3_free_table sqlite3_api->free_table 224#define sqlite3_get_autocommit sqlite3_api->get_autocommit 225#define sqlite3_get_auxdata sqlite3_api->get_auxdata 226#define sqlite3_get_table sqlite3_api->get_table 227#define sqlite3_global_recover sqlite3_api->global_recover 228#define sqlite3_interrupt sqlite3_api->interruptx 229#define sqlite3_last_insert_rowid sqlite3_api->last_insert_rowid 230#define sqlite3_libversion sqlite3_api->libversion 231#define sqlite3_libversion_number sqlite3_api->libversion_number 232#define sqlite3_malloc sqlite3_api->malloc 233#define sqlite3_mprintf sqlite3_api->mprintf 234#define sqlite3_open sqlite3_api->open 235#define sqlite3_open16 sqlite3_api->open16 236#define sqlite3_prepare sqlite3_api->prepare 237#define sqlite3_prepare16 sqlite3_api->prepare16 238#define sqlite3_prepare_v2 sqlite3_api->prepare_v2 239#define sqlite3_prepare16_v2 sqlite3_api->prepare16_v2 240#define sqlite3_profile sqlite3_api->profile 241#define sqlite3_progress_handler sqlite3_api->progress_handler 242#define sqlite3_realloc sqlite3_api->realloc 243#define sqlite3_reset sqlite3_api->reset 244#define sqlite3_result_blob sqlite3_api->result_blob 245#define sqlite3_result_double sqlite3_api->result_double 246#define sqlite3_result_error sqlite3_api->result_error 247#define sqlite3_result_error16 sqlite3_api->result_error16 248#define sqlite3_result_int sqlite3_api->result_int 249#define sqlite3_result_int64 sqlite3_api->result_int64 250#define sqlite3_result_null sqlite3_api->result_null 251#define sqlite3_result_text sqlite3_api->result_text 252#define sqlite3_result_text16 sqlite3_api->result_text16 253#define sqlite3_result_text16be sqlite3_api->result_text16be 254#define sqlite3_result_text16le sqlite3_api->result_text16le 255#define sqlite3_result_value sqlite3_api->result_value 256#define sqlite3_rollback_hook sqlite3_api->rollback_hook 257#define sqlite3_set_authorizer sqlite3_api->set_authorizer 258#define sqlite3_set_auxdata sqlite3_api->set_auxdata 259#define sqlite3_snprintf sqlite3_api->snprintf 260#define sqlite3_step sqlite3_api->step 261#define sqlite3_table_column_metadata sqlite3_api->table_column_metadata 262#define sqlite3_thread_cleanup sqlite3_api->thread_cleanup 263#define sqlite3_total_changes sqlite3_api->total_changes 264#define sqlite3_trace sqlite3_api->trace 265#define sqlite3_transfer_bindings sqlite3_api->transfer_bindings 266#define sqlite3_update_hook sqlite3_api->update_hook 267#define sqlite3_user_data sqlite3_api->user_data 268#define sqlite3_value_blob sqlite3_api->value_blob 269#define sqlite3_value_bytes sqlite3_api->value_bytes 270#define sqlite3_value_bytes16 sqlite3_api->value_bytes16 271#define sqlite3_value_double sqlite3_api->value_double 272#define sqlite3_value_int sqlite3_api->value_int 273#define sqlite3_value_int64 sqlite3_api->value_int64 274#define sqlite3_value_numeric_type sqlite3_api->value_numeric_type 275#define sqlite3_value_text sqlite3_api->value_text 276#define sqlite3_value_text16 sqlite3_api->value_text16 277#define sqlite3_value_text16be sqlite3_api->value_text16be 278#define sqlite3_value_text16le sqlite3_api->value_text16le 279#define sqlite3_value_type sqlite3_api->value_type 280#define sqlite3_vmprintf sqlite3_api->vmprintf 281#define sqlite3_overload_function sqlite3_api->overload_function 282#define sqlite3_prepare_v2 sqlite3_api->prepare_v2 283#define sqlite3_prepare16_v2 sqlite3_api->prepare16_v2 284#define sqlite3_clear_bindings sqlite3_api->clear_bindings 285#endif /* SQLITE_CORE */ 286 287#define SQLITE_EXTENSION_INIT1 const sqlite3_api_routines *sqlite3_api; 288#define SQLITE_EXTENSION_INIT2(v) sqlite3_api = v; 289 290#endif /* _SQLITE3EXT_H_ */ 291