Add SQLITE_EXTRA_AUTOEXT, similar to SQLITE_EXTRA_INIT but adds a builtin auto-extension provided by the client. Suggestion from [forum:00829394c74a670f| forum post 00829394c74a670f].

FossilOrigin-Name: 423e77277a61d7febf4c3fc737981fa22a82b5c774a8ada5375a01a0611535b2

manifest

@@ -1,5 +1,5 @@
-C Refinements\sto\sinstructions\son\scompiling\sfor\sWindows.
-D 2023-08-16T17:23:42.222
+C Add\sSQLITE_EXTRA_AUTOEXT,\ssimilar\sto\sSQLITE_EXTRA_INIT\sbut\sadds\sa\sbuiltin\sauto-extension\sprovided\sby\sthe\sclient.\sSuggestion\sfrom\s[forum:00829394c74a670f|\sforum\spost\s00829394c74a670f].
+D 2023-08-17T09:49:53.877
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
 F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@@ -629,7 +629,7 @@ F src/btreeInt.h 91a9e0c41a0e71fa91a742ec285c63dd8dcb38b73d14fae0ed7209174ff0fdc
 F src/build.c a8ae3b32d9aa9bbd2c0e97d7c0dd80def9fbca408425de1608f57ee6f47f45f4
 F src/callback.c db3a45e376deff6a16c0058163fe0ae2b73a2945f3f408ca32cf74960b28d490
 F src/complete.c a3634ab1e687055cd002e11b8f43eb75c17da23e
-F src/ctime.c cff2b493de894383832347c3a3f936a05f4e089a92b42366838da1735f3848b5
+F src/ctime.c db847fac81837ff5e5028a5f7505147ac645ae676104adc5bc08e356f243de40
 F src/date.c f73f203b3877cef866c60ab402aec2bf89597219b60635cf50cbe3c5e4533e94
 F src/dbpage.c f3eea5f7ec47e09ee7da40f42b25092ecbe961fc59566b8e5f705f34335b2387
 F src/dbstat.c ec92074baa61d883de58c945162d9e666c13cd7cf3a23bc38b4d1c4d0b2c2bef
@@ -647,7 +647,7 @@ F src/insert.c 3f0a94082d978bbdd33c38fefea15346c6c6bffb70bc645a71dc0f1f87dd3276
 F src/json.c ae840f87b418f039f5d336b488933d09396bd31e6b31e855b93055ccaee4e255
 F src/legacy.c d7874bc885906868cd51e6c2156698f2754f02d9eee1bae2d687323c3ca8e5aa
 F src/loadext.c 98cfba10989b3da6f1807ad42444017742db7f100a54f1032af7a8b1295912c0
-F src/main.c fde8f13c876a658b4e8b74b77d875ca887915c174ea6a2f3122d80966f93d865
+F src/main.c 6287177c498427658b892fd816434d36bf9b85b33bf65d5280b897c3b34cee8c
 F src/malloc.c 47b82c5daad557d9b963e3873e99c22570fb470719082c6658bf64e3012f7d23
 F src/mem0.c 6a55ebe57c46ca1a7d98da93aaa07f99f1059645
 F src/mem1.c 3bb59158c38e05f6270e761a9f435bf19827a264c13d1631c58b84bdc96d73b2
@@ -2092,8 +2092,11 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
 F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
 F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P 0f6b2b33736ee07f17f3a4e5f077bb4d0e2481c8f81251b8ce6b78510f372237
-R 6b56e789e5267410fdb3971aefa50798
-U drh
-Z 6657d0ca5d125a89c7fdb5a9a6cb9ceb
+P d543c36c35f71c5f0a7ebf6f496feca40d16566d0c5b2c2ba205ff43437ffcd1
+R 3519e615bc0924b4429d475a70546643
+T *branch * extra-autoext
+T *sym-extra-autoext *
+T -sym-trunk * Cancelled\sby\sbranch.
+U stephan
+Z 1b624c06be0989f0074081f40aaff915
 # Remove this line to create a well-formed Fossil manifest.

manifest.uuid

@@ -1 +1 @@
-d543c36c35f71c5f0a7ebf6f496feca40d16566d0c5b2c2ba205ff43437ffcd1
+423e77277a61d7febf4c3fc737981fa22a82b5c774a8ada5375a01a0611535b2

src/ctime.c

@@ -355,6 +355,9 @@ static const char * const sqlite3azCompileOpt[] = {
 #ifdef SQLITE_EXPLAIN_ESTIMATED_ROWS
   "EXPLAIN_ESTIMATED_ROWS",
 #endif
+#ifdef SQLITE_EXTRA_AUTOEXT
+  "EXTRA_AUTOEXT=" CTIMEOPT_VAL(SQLITE_EXTRA_AUTOEXT),
+#endif
 #ifdef SQLITE_EXTRA_IFNULLROW
   "EXTRA_IFNULLROW",
 #endif

src/main.c

@@ -47,7 +47,9 @@ int sqlite3Fts5Init(sqlite3*);
 #ifdef SQLITE_ENABLE_STMTVTAB
 int sqlite3StmtVtabInit(sqlite3*);
 #endif
-
+#ifdef SQLITE_EXTRA_AUTOEXT
+int SQLITE_EXTRA_AUTOEXT(sqlite3*);
+#endif
 /*
 ** An array of pointers to extension initializer functions for
 ** built-in extensions.
@@ -81,6 +83,9 @@ static int (*const sqlite3BuiltinExtensions[])(sqlite3*) = {
 #ifdef SQLITE_ENABLE_BYTECODE_VTAB
   sqlite3VdbeBytecodeVtabInit,
 #endif
+#ifdef SQLITE_EXTRA_AUTOEXT
+  SQLITE_EXTRA_AUTOEXT,
+#endif
 };
 
 #ifndef SQLITE_AMALGAMATION