Update the latest trunk enhancements into the wal-shm-exceptions branch.

FossilOrigin-Name: 3187ee3f69fc28a259ba0e951ac10a65c07ef2c3866acbefaf9544333a930cc6

diff --cc manifest
index bd506d9ad1f70d534465a02f779059b74cc32b2f,ef9ea0e9d6221f42853ff1b75b4a2147be7436af..7da2e11f8397586daf6b6bda938e527b60f44998
--- 1/manifest
--- 2/manifest
+++ b/manifest
@@@ -1,5 -1,5 +1,5 @@@
- C Get\sfault\sinjection\sfor\stesting\sworking\scorrectly.\s\sOther\scode\sclean-up.
- D 2023-07-11T15:52:52.116
 -C When\swriting\sthe\sfilename\sheader\sin\sa\sopfs-sahpool\sfile,\sensure\sthat\sall\sremaining\sbytes\sin\sthat\spart\sof\sthe\sheader\sare\szeroed\sout\sto\savoid\sthe\sdownstream\sproblems\sreported\sin\s[forum:d50ec48a293988a5|forum\spost\sd50ec48a293988a5].
 -D 2023-07-23T22:14:41.081
++C Update\sthe\slatest\strunk\senhancements\sinto\sthe\swal-shm-exceptions\sbranch.
++D 2023-07-24T12:59:53.689
  F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
  F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
  F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@@@ -535,11 -535,12 +535,12 @@@ F ext/wasm/index.html b4e55de741be9fb76
  F ext/wasm/jaccwabyt/jaccwabyt.js 1264710db3cfbcb6887d95665b7aeba60c1126eaef789ca4cf1a4a17d5bc7f54
  F ext/wasm/jaccwabyt/jaccwabyt.md 37911f00db12cbcca73aa1ed72594430365f30aafae2fa9c886961de74e5e0eb
  F ext/wasm/module-symbols.html 841de62fc198988b8330e238c260e70ec93028b096e1a1234db31b187a899d10
- F ext/wasm/scratchpad-wasmfs-main.html 20cf6f1a8f368e70d01e8c17200e3eaa90f1c8e1029186d836d14b83845fbe06
- F ext/wasm/scratchpad-wasmfs-main.js 4c140457f4d6da9d646a49addd91edb6e9ad1643c6c48e3258b5bce24725dc18
- F ext/wasm/speedtest1-wasmfs.html 7a301f4f5b6ad4f5d37fd6e7ca03a2f5d5547fd289da60a39075a93d7646d354
- F ext/wasm/speedtest1-worker.html 82869822e641c1bef3ec0cd2d7d2b6a42d0b4f68a7b160fb2e1dd0b523940a9b
- F ext/wasm/speedtest1-worker.js 13b57c4a41729678a1194014afec2bd5b94435dcfc8d1039dfa9a533ac819ee1
 -F ext/wasm/scratchpad-wasmfs.html a3d7388f3c4b263676b58b526846e9d02dfcb4014ff29d3a5040935286af5b96
 -F ext/wasm/scratchpad-wasmfs.mjs 66034b9256b218de59248aad796760a1584c1dd842231505895eff00dbd57c63
++F ext/wasm/scratchpad-wasmfs.html a3d7388f3c4b263676b58b526846e9d02dfcb4014ff29d3a5040935286af5b96 w ext/wasm/scratchpad-wasmfs-main.html
++F ext/wasm/scratchpad-wasmfs.mjs 66034b9256b218de59248aad796760a1584c1dd842231505895eff00dbd57c63 w ext/wasm/scratchpad-wasmfs-main.js
+ F ext/wasm/speedtest1-wasmfs.html 0e9d335a9b5b5fafe6e1bc8dc0f0ca7e22e6eb916682a2d7c36218bb7d67379d
+ F ext/wasm/speedtest1-wasmfs.mjs ac5cadbf4ffe69e9eaac8b45e8523f030521e02bb67d654c6eb5236d9c456cbe
+ F ext/wasm/speedtest1-worker.html e33e2064bda572c0c3ebaec7306c35aa758d9d27e245d67e807f8cc4a9351cc5
+ F ext/wasm/speedtest1-worker.js 315d26198c46be7c85e26fda15d80ef882424276abde25ffd8b026fb02a35d8c
  F ext/wasm/speedtest1.html ff048b4a623aa192e83e143e48f1ce2a899846dd42c023fdedc8772b6e3f07da
  F ext/wasm/split-speedtest1-script.sh a3e271938d4d14ee49105eb05567c6a69ba4c1f1293583ad5af0cd3a3779e205 x
  F ext/wasm/sql/000-mandelbrot.sql 775337a4b80938ac8146aedf88808282f04d02d983d82675bd63d9c2d97a15f0
@@@ -639,10 -640,10 +640,10 @@@ F src/resolve.c 37953a5f36c60bea413c3c0
  F src/rowset.c 8432130e6c344b3401a8874c3cb49fefe6873fec593294de077afea2dce5ec97
  F src/select.c 3ab1186290a311a8ceed1286c0e286209f7fe97b2d02c7593258004ce295dd88
  F src/shell.c.in d320d8a13636de06d777cc1eab981caca304e175464e98183cf4ea68d93db818
 -F src/sqlite.h.in f999ef3642f381d69679b2516b430dbcb6c5a2a951b7f5e43dc4751b474a5774
 +F src/sqlite.h.in 6a0ffe5886af2528baff6087efb34a4915d2ff394d15df32e6e2de8524b756d2
  F src/sqlite3.rc 5121c9e10c3964d5755191c80dd1180c122fc3a8
  F src/sqlite3ext.h da473ce2b3d0ae407a6300c4a164589b9a6bfdbec9462688a8593ff16f3bb6e4
- F src/sqliteInt.h 002a6c3e24752d123468c5d948a80e2cd4acf01badce268f9dd98b581cd7bb96
+ F src/sqliteInt.h dcb1a885e8b6cb78df618944b89d44361a99d0fe33e1bba2c150a855f7dc5599
  F src/sqliteLimit.h 33b1c9baba578d34efe7dfdb43193b366111cdf41476b1e82699e14c11ee1fb6
  F src/status.c 160c445d7d28c984a0eae38c144f6419311ed3eace59b44ac6dafc20db4af749
  F src/table.c 0f141b58a16de7e2fbe81c308379e7279f4c6b50eb08efeec5892794a0ba30d1
@@@ -705,24 -706,24 +706,24 @@@ F src/trigger.c ad6ab9452715fa9a8075442
  F src/update.c 0aa36561167a7c40d01163238c297297962f31a15a8d742216b3c37cdf25f731
  F src/upsert.c 5303dc6c518fa7d4b280ec65170f465c7a70b7ac2b22491598f6d0b4875b3145
  F src/utf.c ee39565f0843775cc2c81135751ddd93eceb91a673ea2c57f61c76f288b041a0
- F src/util.c 161e49e88b080c2370a4990aa55f51f9edcaf8c41c3cb06cd4c37ffde1c85e6d
 -F src/util.c c2aa170f2eb429235b1dddce8952770787ffa5124dc89d405bfbe8ebad8e7ebd
++F src/util.c 987e31e45aa9a7f206b8b86b0d09dd440263b869b627931a8dace5f39638e698
  F src/vacuum.c 604fcdaebe76f3497c855afcbf91b8fa5046b32de3045bab89cc008d68e40104
- F src/vdbe.c 74282a947234513872a83b0bab1b8c644ece64b3e27b053ef17677c8ff9c81e0
+ F src/vdbe.c 4cda877d413a18fa07346b08d6959b3d18ce982357921e7acb9649fca2534a12
  F src/vdbe.h 41485521f68e9437fdb7ec4a90f9d86ab294e9bb8281e33b235915e29122cfc0
- F src/vdbeInt.h 7bd49eef8f89c1a271fbf12d80a206bf56c876814c5fc6bee340f4e1907095ae
- F src/vdbeapi.c de9703f8705afc393cc2864669ce28cf9516983c8331d59aa2b978de01634365
+ F src/vdbeInt.h 401813862f9d75af01bdb2ab99253ad019e9d6ddcc8058e4fa61a43e9a60d1f7
+ F src/vdbeapi.c dde6c4d0f87486f056b9db4d1ea185bb1d84a6839102b86e76316ba590d07cc7
 -F src/vdbeaux.c b5e3f7e158518b4eca6f166ac43900640a3fe9735c710e12bfa119af21059339
 +F src/vdbeaux.c d56f179577cee110d1d60129a07d37035e85b0d39a272d7587f3dbb99b40b94a
  F src/vdbeblob.c 2516697b3ee8154eb8915f29466fb5d4f1ae39ee8b755ea909cefaf57ec5e2ce
- F src/vdbemem.c cf4a1556dd5b18c071cf7c243373c29ce752eb516022e3ad49ba72f08b785033
+ F src/vdbemem.c 40afb83ed848e235848ffdd3ba25adca4ba602111b8ed3b05ae3b1b12e0eacee
  F src/vdbesort.c 0d40dca073c94e158ead752ef4225f4fee22dee84145e8c00ca2309afb489015
  F src/vdbetrace.c fe0bc29ebd4e02c8bc5c1945f1d2e6be5927ec12c06d89b03ef2a4def34bf823
  F src/vdbevtab.c aae4bd769410eb7e1d02c42613eec961d514459b1c3c1c63cfc84e92a137daac
  F src/vtab.c 1ecf8c3745d29275688d583e12822fa984d421e0286b5ef50c137bc3bf6d7a64
  F src/vxworks.h d2988f4e5a61a4dfe82c6524dd3d6e4f2ce3cdb9
- F src/wal.c e4bfb243cc1f6f89c7fba5dd8872ae38a8c1dcc760c276dbb164edb7290072a6
 -F src/wal.c dd843f619ac60d5dadab7109cf402432ba74dde0c301505fd1c202add07659e3
 -F src/wal.h c3aa7825bfa2fe0d85bef2db94655f99870a285778baa36307c0a16da32b226a
++F src/wal.c 17a7ec957bd66e46a7d6403a8d55ce92518fb382ec598a5f50e2326de0206a80
 +F src/wal.h 04a9e53121d5076f2a173b0f2facb39d33047093fee71bd3bbe6b1f6f1f5fd4b
  F src/walker.c 7c7ea0115345851c3da4e04e2e239a29983b61fb5b038b94eede6aba462640e2
- F src/where.c 2dc708cf8b6a691fb79f16bbc46567497ee6f991043318d421e294b2da114d93
+ F src/where.c 477fcc5e561ef169e6002499602af6b805156c2aae6b2f5c2c93ef8c1cd64768
  F src/whereInt.h c7d19902863beadec1d04e66aca39c0bcd60b74f05f0eaa7422c7005dfc5d51a
  F src/wherecode.c 5d77db30a2a3dd532492ae882de114edba2fae672622056b1c7fd61f5917a8f1
  F src/whereexpr.c dc5096eca5ed503999be3bdee8a90c51361289a678d396a220912e9cb73b3c00
@@@ -2044,8 -2044,8 +2045,8 @@@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a9
  F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
  F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
  F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
- P 4c950872c870a5968fa4cb8840cf60569a66c0e508811ee79992825ec9c02da3
- R 966aa4944515db815a2a3b1d2b09adbd
 -P d2e602cda44bf35e76167143262b4f91826d25780d0e095e680a31d5dedb2018
 -R 47af828f435c00e0fb124001796bea21
 -U stephan
 -Z 3f8f8cf2fbd99e80728947340dd883ad
++P ff492277ed00c1f637a5b4ccd6d8193ea22f6781f90073861588a2b7d5c045b7 c1b080e39397c983c13a5e79303223827de7b4946c18a79396851ec1814782f3
++R 2d227170a4d38cef4891eb7e41ae2e61
 +U drh
- Z 4e4c72cb034026cb3cf7caeaeea5ca69
++Z bee2c2751faa3281b3853d97c12aa683
  # Remove this line to create a well-formed Fossil manifest.

diff --cc manifest.uuid
index 066d2d9ef2d760ce4522e47e88a695a75da08289,9921927a14a08cbb5cf29a7833dc68ddd6ca5e44..a0ad36f77d1b42a82748a5964d9a080c4dc1af48
--- 1/manifest.uuid
--- 2/manifest.uuid
+++ b/manifest.uuid
@@@ -1,1 -1,1 +1,1 @@@
- ff492277ed00c1f637a5b4ccd6d8193ea22f6781f90073861588a2b7d5c045b7
 -c1b080e39397c983c13a5e79303223827de7b4946c18a79396851ec1814782f3
++3187ee3f69fc28a259ba0e951ac10a65c07ef2c3866acbefaf9544333a930cc6

diff --cc src/util.c
Simple merge

diff --cc src/wal.c
index 6c153d65baca7261dc097a2d89c4cf08c39d6725,747cf099e371f7330b0d3069135d4173f3c30faf..48f55862099f238ecc8b62dd395b5b1950267216
--- 1/src/wal.c
--- 2/src/wal.c
+++ b/src/wal.c
@@@ -1944,8 -1827,6 +1944,7 @@@ static int walIteratorInit(Wal *pWal, u
    memset(p, 0, nByte);
    p->nSegment = nSegment;
    aTmp = (ht_slot*)&(((u8*)p)[nByte]);
- 
 +  SEH_FREE_ON_ERROR(0, p);
    for(i=walFramePage(nBackfill+1); rc==SQLITE_OK && i<nSegment; i++){
      WalHashLoc sLoc;
  
@@@ -1973,9 -1854,7 +1972,8 @@@
        p->aSegment[i].aPgno = (u32 *)sLoc.aPgno;
      }
    }
- 
    if( rc!=SQLITE_OK ){
 +    SEH_FREE_ON_ERROR(p, 0);
      walIteratorFree(p);
      p = 0;
    }