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Overview
| Comment: | Add new interfaces to the loadable extension mechanism. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | 64-bit-lengths |
| Files: | files | file ages | folders |
| SHA1: |
18d80cbc590165913d82056aa69ddaee |
| User & Date: | drh 2014-09-09 18:41:32 |
Context
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2014-09-09
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| 20:30 | Change the name of the _texte64() interfaces to just _test64(), without the "e". (Closed-Leaf check-in: 6ab76c5f user: drh tags: 64-bit-lengths) | |
| 18:41 | Add new interfaces to the loadable extension mechanism. (check-in: 18d80cbc user: drh tags: 64-bit-lengths) | |
| 17:27 | Add new APIs that take 64-bit length parameters: sqlite3_malloc64(), sqlite3_realloc64(), sqlite3_bind_blob64(), sqlite3_bind_texte64(), sqlite3_result_blob64(), and sqlite3_result_texte64(). Internal memory allocation routines also now use 64-bit unsigned length parameters for safety. Also add the sqlite3_msize() interface. Fix the sqlite3_get_table() to use sqlite3_realloc64() to avoid a integer overflow problem. (check-in: 94954850 user: drh tags: 64-bit-lengths) | |
Changes
Changes to src/loadext.c.
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sqlite3_stmt_busy, sqlite3_stmt_readonly, sqlite3_stricmp, sqlite3_uri_boolean, sqlite3_uri_int64, sqlite3_uri_parameter, sqlite3_vsnprintf, sqlite3_wal_checkpoint_v2 }; /* ** Attempt to load an SQLite extension library contained in the file ** zFile. The entry point is zProc. zProc may be 0 in which case a ** default entry point name (sqlite3_extension_init) is used. Use ** of the default name is recommended. |
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sqlite3_stmt_busy, sqlite3_stmt_readonly, sqlite3_stricmp, sqlite3_uri_boolean, sqlite3_uri_int64, sqlite3_uri_parameter, sqlite3_vsnprintf, sqlite3_wal_checkpoint_v2, /* Version 3.8.7 and later */ sqlite3_auto_extension, sqlite3_bind_blob64, sqlite3_bind_texte64, sqlite3_cancel_auto_extension, sqlite3_load_extension, sqlite3_malloc64, sqlite3_msize, sqlite3_realloc64, sqlite3_reset_auto_extension, sqlite3_result_blob64, sqlite3_result_texte64, sqlite3_strglob }; /* ** Attempt to load an SQLite extension library contained in the file ** zFile. The entry point is zProc. zProc may be 0 in which case a ** default entry point name (sqlite3_extension_init) is used. Use ** of the default name is recommended. |
Changes to src/sqlite3ext.h.
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int (*stmt_readonly)(sqlite3_stmt*);
int (*stricmp)(const char*,const char*);
int (*uri_boolean)(const char*,const char*,int);
sqlite3_int64 (*uri_int64)(const char*,const char*,sqlite3_int64);
const char *(*uri_parameter)(const char*,const char*);
char *(*vsnprintf)(int,char*,const char*,va_list);
int (*wal_checkpoint_v2)(sqlite3*,const char*,int,int*,int*);
};
/*
** The following macros redefine the API routines so that they are
** redirected through the global sqlite3_api structure.
**
** This header file is also used by the loadext.c source file
................................................................................
#define sqlite3_stmt_readonly sqlite3_api->stmt_readonly
#define sqlite3_stricmp sqlite3_api->stricmp
#define sqlite3_uri_boolean sqlite3_api->uri_boolean
#define sqlite3_uri_int64 sqlite3_api->uri_int64
#define sqlite3_uri_parameter sqlite3_api->uri_parameter
#define sqlite3_uri_vsnprintf sqlite3_api->vsnprintf
#define sqlite3_wal_checkpoint_v2 sqlite3_api->wal_checkpoint_v2
#endif /* SQLITE_CORE */
#ifndef SQLITE_CORE
/* This case when the file really is being compiled as a loadable
** extension */
# define SQLITE_EXTENSION_INIT1 const sqlite3_api_routines *sqlite3_api=0;
# define SQLITE_EXTENSION_INIT2(v) sqlite3_api=v;
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int (*stmt_readonly)(sqlite3_stmt*); int (*stricmp)(const char*,const char*); int (*uri_boolean)(const char*,const char*,int); sqlite3_int64 (*uri_int64)(const char*,const char*,sqlite3_int64); const char *(*uri_parameter)(const char*,const char*); char *(*vsnprintf)(int,char*,const char*,va_list); int (*wal_checkpoint_v2)(sqlite3*,const char*,int,int*,int*); /* Version 3.8.7 and later */ int (*auto_extension)(void(*)(void)); int (*bind_blob64)(sqlite3_stmt*,int,const void*,sqlite3_uint64, void(*)(void*)); int (*bind_texte64)(sqlite3_stmt*,int,const char*,sqlite3_uint64, void(*)(void*),unsigned char); int (*cancel_auto_extension)(void(*)(void)); int (*load_extension)(sqlite3*,const char*,const char*,char**); void *(*malloc64)(sqlite3_uint64); sqlite3_uint64 (*msize)(void*); void *(*realloc64)(void*,sqlite3_uint64); void (*reset_auto_extension)(void); void (*result_blob64)(sqlite3_context*,const void*,sqlite3_uint64, void(*)(void*)); void (*result_texte64)(sqlite3_context*,const char*,sqlite3_uint64, void(*)(void*), unsigned char); int (*strglob)(const char*,const char*); }; /* ** The following macros redefine the API routines so that they are ** redirected through the global sqlite3_api structure. ** ** This header file is also used by the loadext.c source file ................................................................................ #define sqlite3_stmt_readonly sqlite3_api->stmt_readonly #define sqlite3_stricmp sqlite3_api->stricmp #define sqlite3_uri_boolean sqlite3_api->uri_boolean #define sqlite3_uri_int64 sqlite3_api->uri_int64 #define sqlite3_uri_parameter sqlite3_api->uri_parameter #define sqlite3_uri_vsnprintf sqlite3_api->vsnprintf #define sqlite3_wal_checkpoint_v2 sqlite3_api->wal_checkpoint_v2 /* Version 3.8.7 and later */ #define sqlite3_auto_extension sqlite3_api->auto_extension #define sqlite3_bind_blob64 sqlite3_api->bind_blob64 #define sqlite3_bind_texte64 sqlite3_api->bind_texte64 #define sqlite3_cancel_auto_extension sqlite3_api->cancel_auto_extension #define sqlite3_load_extension sqlite3_api->load_extension #define sqlite3_malloc64 sqlite3_api->malloc64 #define sqlite3_msize sqlite3_api->msize #define sqlite3_realloc64 sqlite3_api->realloc64 #define sqlite3_reset_auto_extension sqlite3_api->reset_auto_extension #define sqlite3_result_blob64 sqlite3_api->result_blob64 #define sqlite3_result_texte64 sqlite3_api->result_texte64 #define sqlite3_strglob sqlite3_api->strglob #endif /* SQLITE_CORE */ #ifndef SQLITE_CORE /* This case when the file really is being compiled as a loadable ** extension */ # define SQLITE_EXTENSION_INIT1 const sqlite3_api_routines *sqlite3_api=0; # define SQLITE_EXTENSION_INIT2(v) sqlite3_api=v; |