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Overview
| Comment: | Make the SQLITE_EXTENSION_INIT1 and SQLITE_EXTENSION_INIT2 macros into no-ops if the extension is statically linked. |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | loadext |
| Files: | files | file ages | folders |
| SHA1: |
86eb3eed4c70730dba0e319f243f8cb4 |
| User & Date: | drh 2013-04-19 01:23:06 |
Context
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2013-04-19
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| 02:47 | Enhance the extension loading mechanism so that the same source code can be used for run-time loadable extensions and statically linked extensions, and to mask architectural differences in shared libraries. (check-in: a85b6ece user: drh tags: trunk) | |
| 01:23 | Make the SQLITE_EXTENSION_INIT1 and SQLITE_EXTENSION_INIT2 macros into no-ops if the extension is statically linked. (Closed-Leaf check-in: 86eb3eed user: drh tags: loadext) | |
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2013-04-18
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| 22:56 | Experiments in making loadable extensions easier to program. The shared library filename tries various operating-system specific extensions if the bare library name does not work. And the entry point is derived from the filename is the legacy entry point name "sqlite3_extension_init" is not found. (check-in: 6cfa1d73 user: drh tags: loadext) | |
Changes
Changes to src/sqlite3ext.h.
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#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 */ #define SQLITE_EXTENSION_INIT1 const sqlite3_api_routines *sqlite3_api = 0; #define SQLITE_EXTENSION_INIT2(v) sqlite3_api = v; #endif /* _SQLITE3EXT_H_ */ |
> > > | | > > > > > > |
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#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; #else /* This case when the file is being statically linked into the ** application */ # define SQLITE_EXTENSION_INIT1 /*no-op*/ # define SQLITE_EXTENSION_INIT2(v) (void)v; /* unused parameter */ #endif #endif /* _SQLITE3EXT_H_ */ |
Changes to src/test_autoext.c.
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*************************************************************************
** Test extension for testing the sqlite3_auto_extension() function.
*/
#include "tcl.h"
#include "sqlite3ext.h"
#ifndef SQLITE_OMIT_LOAD_EXTENSION
static SQLITE_EXTENSION_INIT1
/*
** The sqr() SQL function returns the square of its input value.
*/
static void sqrFunc(
sqlite3_context *context,
int argc,
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************************************************************************* ** Test extension for testing the sqlite3_auto_extension() function. */ #include "tcl.h" #include "sqlite3ext.h" #ifndef SQLITE_OMIT_LOAD_EXTENSION SQLITE_EXTENSION_INIT1 /* ** The sqr() SQL function returns the square of its input value. */ static void sqrFunc( sqlite3_context *context, int argc, |