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 1.8 2007/01/09 14:37:18 drh Exp $ 19 */ 20 #ifndef _SQLITE3EXT_H_ 21 #define _SQLITE3EXT_H_ 22 #include "sqlite3.h" 23 24 typedef 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 struct 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 }; 148 149 /* 150 ** The following macros redefine the API routines so that they are 151 ** redirected throught the global sqlite3_api structure. 152 ** 153 ** This header file is also used by the loadext.c source file 154 ** (part of the main SQLite library - not an extension) so that 155 ** it can get access to the sqlite3_api_routines structure 156 ** definition. But the main library does not want to redefine 157 ** the API. So the redefinition macros are only valid if the 158 ** SQLITE_CORE macros is undefined. 159 */ 160 #ifndef SQLITE_CORE 161 #define sqlite3_aggregate_context sqlite3_api->aggregate_context 162 #define sqlite3_aggregate_count sqlite3_api->aggregate_count 163 #define sqlite3_bind_blob sqlite3_api->bind_blob 164 #define sqlite3_bind_double sqlite3_api->bind_double 165 #define sqlite3_bind_int sqlite3_api->bind_int 166 #define sqlite3_bind_int64 sqlite3_api->bind_int64 167 #define sqlite3_bind_null sqlite3_api->bind_null 168 #define sqlite3_bind_parameter_count sqlite3_api->bind_parameter_count 169 #define sqlite3_bind_parameter_index sqlite3_api->bind_parameter_index 170 #define sqlite3_bind_parameter_name sqlite3_api->bind_parameter_name 171 #define sqlite3_bind_text sqlite3_api->bind_text 172 #define sqlite3_bind_text16 sqlite3_api->bind_text16 173 #define sqlite3_bind_value sqlite3_api->bind_value 174 #define sqlite3_busy_handler sqlite3_api->busy_handler 175 #define sqlite3_busy_timeout sqlite3_api->busy_timeout 176 #define sqlite3_changes sqlite3_api->changes 177 #define sqlite3_close sqlite3_api->close 178 #define sqlite3_collation_needed sqlite3_api->collation_needed 179 #define sqlite3_collation_needed16 sqlite3_api->collation_needed16 180 #define sqlite3_column_blob sqlite3_api->column_blob 181 #define sqlite3_column_bytes sqlite3_api->column_bytes 182 #define sqlite3_column_bytes16 sqlite3_api->column_bytes16 183 #define sqlite3_column_count sqlite3_api->column_count 184 #define sqlite3_column_database_name sqlite3_api->column_database_name 185 #define sqlite3_column_database_name16 sqlite3_api->column_database_name16 186 #define sqlite3_column_decltype sqlite3_api->column_decltype 187 #define sqlite3_column_decltype16 sqlite3_api->column_decltype16 188 #define sqlite3_column_double sqlite3_api->column_double 189 #define sqlite3_column_int sqlite3_api->column_int 190 #define sqlite3_column_int64 sqlite3_api->column_int64 191 #define sqlite3_column_name sqlite3_api->column_name 192 #define sqlite3_column_name16 sqlite3_api->column_name16 193 #define sqlite3_column_origin_name sqlite3_api->column_origin_name 194 #define sqlite3_column_origin_name16 sqlite3_api->column_origin_name16 195 #define sqlite3_column_table_name sqlite3_api->column_table_name 196 #define sqlite3_column_table_name16 sqlite3_api->column_table_name16 197 #define sqlite3_column_text sqlite3_api->column_text 198 #define sqlite3_column_text16 sqlite3_api->column_text16 199 #define sqlite3_column_type sqlite3_api->column_type 200 #define sqlite3_column_value sqlite3_api->column_value 201 #define sqlite3_commit_hook sqlite3_api->commit_hook 202 #define sqlite3_complete sqlite3_api->complete 203 #define sqlite3_complete16 sqlite3_api->complete16 204 #define sqlite3_create_collation sqlite3_api->create_collation 205 #define sqlite3_create_collation16 sqlite3_api->create_collation16 206 #define sqlite3_create_function sqlite3_api->create_function 207 #define sqlite3_create_function16 sqlite3_api->create_function16 208 #define sqlite3_create_module sqlite3_api->create_module 209 #define sqlite3_data_count sqlite3_api->data_count 210 #define sqlite3_db_handle sqlite3_api->db_handle 211 #define sqlite3_declare_vtab sqlite3_api->declare_vtab 212 #define sqlite3_enable_shared_cache sqlite3_api->enable_shared_cache 213 #define sqlite3_errcode sqlite3_api->errcode 214 #define sqlite3_errmsg sqlite3_api->errmsg 215 #define sqlite3_errmsg16 sqlite3_api->errmsg16 216 #define sqlite3_exec sqlite3_api->exec 217 #define sqlite3_expired sqlite3_api->expired 218 #define sqlite3_finalize sqlite3_api->finalize 219 #define sqlite3_free sqlite3_api->free 220 #define sqlite3_free_table sqlite3_api->free_table 221 #define sqlite3_get_autocommit sqlite3_api->get_autocommit 222 #define sqlite3_get_auxdata sqlite3_api->get_auxdata 223 #define sqlite3_get_table sqlite3_api->get_table 224 #define sqlite3_global_recover sqlite3_api->global_recover 225 #define sqlite3_interrupt sqlite3_api->interruptx 226 #define sqlite3_last_insert_rowid sqlite3_api->last_insert_rowid 227 #define sqlite3_libversion sqlite3_api->libversion 228 #define sqlite3_libversion_number sqlite3_api->libversion_number 229 #define sqlite3_malloc sqlite3_api->malloc 230 #define sqlite3_mprintf sqlite3_api->mprintf 231 #define sqlite3_open sqlite3_api->open 232 #define sqlite3_open16 sqlite3_api->open16 233 #define sqlite3_prepare sqlite3_api->prepare 234 #define sqlite3_prepare16 sqlite3_api->prepare16 235 #define sqlite3_profile sqlite3_api->profile 236 #define sqlite3_progress_handler sqlite3_api->progress_handler 237 #define sqlite3_realloc sqlite3_api->realloc 238 #define sqlite3_reset sqlite3_api->reset 239 #define sqlite3_result_blob sqlite3_api->result_blob 240 #define sqlite3_result_double sqlite3_api->result_double 241 #define sqlite3_result_error sqlite3_api->result_error 242 #define sqlite3_result_error16 sqlite3_api->result_error16 243 #define sqlite3_result_int sqlite3_api->result_int 244 #define sqlite3_result_int64 sqlite3_api->result_int64 245 #define sqlite3_result_null sqlite3_api->result_null 246 #define sqlite3_result_text sqlite3_api->result_text 247 #define sqlite3_result_text16 sqlite3_api->result_text16 248 #define sqlite3_result_text16be sqlite3_api->result_text16be 249 #define sqlite3_result_text16le sqlite3_api->result_text16le 250 #define sqlite3_result_value sqlite3_api->result_value 251 #define sqlite3_rollback_hook sqlite3_api->rollback_hook 252 #define sqlite3_set_authorizer sqlite3_api->set_authorizer 253 #define sqlite3_set_auxdata sqlite3_api->set_auxdata 254 #define sqlite3_snprintf sqlite3_api->snprintf 255 #define sqlite3_step sqlite3_api->step 256 #define sqlite3_table_column_metadata sqlite3_api->table_column_metadata 257 #define sqlite3_thread_cleanup sqlite3_api->thread_cleanup 258 #define sqlite3_total_changes sqlite3_api->total_changes 259 #define sqlite3_trace sqlite3_api->trace 260 #define sqlite3_transfer_bindings sqlite3_api->transfer_bindings 261 #define sqlite3_update_hook sqlite3_api->update_hook 262 #define sqlite3_user_data sqlite3_api->user_data 263 #define sqlite3_value_blob sqlite3_api->value_blob 264 #define sqlite3_value_bytes sqlite3_api->value_bytes 265 #define sqlite3_value_bytes16 sqlite3_api->value_bytes16 266 #define sqlite3_value_double sqlite3_api->value_double 267 #define sqlite3_value_int sqlite3_api->value_int 268 #define sqlite3_value_int64 sqlite3_api->value_int64 269 #define sqlite3_value_numeric_type sqlite3_api->value_numeric_type 270 #define sqlite3_value_text sqlite3_api->value_text 271 #define sqlite3_value_text16 sqlite3_api->value_text16 272 #define sqlite3_value_text16be sqlite3_api->value_text16be 273 #define sqlite3_value_text16le sqlite3_api->value_text16le 274 #define sqlite3_value_type sqlite3_api->value_type 275 #define sqlite3_vmprintf sqlite3_api->vmprintf 276 #define sqlite3_overload_function sqlite3_api->overload_function 277 #endif /* SQLITE_CORE */ 278 279 #define SQLITE_EXTENSION_INIT1 const sqlite3_api_routines *sqlite3_api; 280 #define SQLITE_EXTENSION_INIT2(v) sqlite3_api = v; 281 282 #endif /* _SQLITE3EXT_H_ */ 283