Convert some expensive NEVER() and ASSERT() macros into assert()s.

FossilOrigin-Name: 4aad891802d9d87f1ff3cbbf4bc70fa242c6782088189a2bd5d6f8863f552d29

manifest

@@ -1,5 +1,5 @@
-C Small\sperformance\sincrease\sin\sjsonTranslateBlobToText().
-D 2025-02-10T00:20:50.032
+C Convert\ssome\sexpensive\sNEVER()\sand\sASSERT()\smacros\sinto\sassert()s.
+D 2025-02-10T11:16:37.391
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
 F LICENSE.md e108e1e69ae8e8a59e93c455654b8ac9356a11720d3345df2a4743e9590fb20d
@@ -740,7 +740,7 @@ F src/hash.h 46b92795a95bfefb210f52f0c316e9d7cdbcdd7e7fcfb0d8be796d3a5767cddf
 F src/hwtime.h f9c2dfb84dce7acf95ce6d289e46f5f9d3d1afd328e53da8f8e9008e3b3caae6
 F src/in-operator.md 10cd8f4bcd225a32518407c2fb2484089112fd71
 F src/insert.c 05e04ef637cbc0dccb9a5c5d188a5a2608891e554c8ec17c7a71afe2cf896a06
-F src/json.c 50d0032812673d304b66fa7c2dbc86207e7e78505c69d85521c762f52ac37329
+F src/json.c 2663a0c7e574cb928de944720dcdcc11c931877d877549b8f1258a4002efd6f7
 F src/legacy.c d7874bc885906868cd51e6c2156698f2754f02d9eee1bae2d687323c3ca8e5aa
 F src/loadext.c 7432c944ff197046d67a1207790a1b13eec4548c85a9457eb0896bb3641dfb36
 F src/main.c b99d15d843f7a86adbec855de77b1656dde07359722ef63a9d9393678dbb58d1
@@ -847,7 +847,7 @@ F src/trigger.c da3c25786870d8bf97cd46b493374c2375d1abaf20a9b0f5f8629a3f2f2ce383
 F src/update.c 3e5e7ff66fa19ebe4d1b113d480639a24cc1175adbefabbd1a948a07f28e37cf
 F src/upsert.c 215328c3f91623c520ec8672c44323553f12caeb4f01b1090ebdca99fdf7b4f1
 F src/utf.c 8b29d9a5956569ea2700f869669b8ef67a9662ee5e724ff77ab3c387e27094ba
-F src/util.c e5f6a5eeaa26b69054a43bbd0048cfe3d2851f6961052b35aed8f695df922850
+F src/util.c 9ff6470dabcf943fd796d2da766c98bd328c8f6fe036a31e5b338e628603f989
 F src/vacuum.c b763b6457bd058d2072ef9364832351fd8d11e8abf70cbb349657360f7d55c40
 F src/vdbe.c b98d86de7f0e6c02fb14e0e1ae8feab6aa84669d389771a848e23f59eb70dcad
 F src/vdbe.h 3d26d5c7660c5c7bd33ffb0d8784615072d8b23c81f8110870efe2631136bc89
@@ -855,7 +855,7 @@ F src/vdbeInt.h 078b1c15b26587b54c1c1879d0d2f4dec812b9de4c337fed9faf73fbcc3bf091
 F src/vdbeapi.c 82fe278a7c71b653235c6f9fb5de0b5de589908dfcb011ba2a782e8becf06f86
 F src/vdbeaux.c 541d3d232714455960eab4ed10b34cb48b4bcd565d7539ef31092f5e73648e6b
 F src/vdbeblob.c 9166b6eb7054e5da82e35255892fb1ed551355a4716452539e8e3ac14f25fbe3
-F src/vdbemem.c 977438546df236c6a3e7d8b4fe86c0643c13b89b00235db1f11c3a91a4796d30
+F src/vdbemem.c 4af21a948820259ced96e3d46d70f9af347afa2deb7cb60a8b3981d5748e4279
 F src/vdbesort.c d0a3c7056c081703c8b6d91ad60f17da5e062a5c64bf568ed0fa1b5f4cae311f
 F src/vdbetrace.c fe0bc29ebd4e02c8bc5c1945f1d2e6be5927ec12c06d89b03ef2a4def34bf823
 F src/vdbevtab.c fc46b9cbd759dc013f0b3724549cc0d71379183c667df3a5988f7e2f1bd485f3
@@ -2209,8 +2209,8 @@ F tool/version-info.c 3b36468a90faf1bbd59c65fd0eb66522d9f941eedd364fabccd7227350
 F tool/warnings-clang.sh bbf6a1e685e534c92ec2bfba5b1745f34fb6f0bc2a362850723a9ee87c1b31a7
 F tool/warnings.sh 49a486c5069de041aedcbde4de178293e0463ae9918ecad7539eedf0ec77a139
 F tool/win/sqlite.vsix deb315d026cc8400325c5863eef847784a219a2f
-P ce228ce3d0132ad758b5b7464fcf22ae5976df3c02ec948280cc76290c79ed0b
-R 121930a1cd26bde82bd8ad52b6e51587
+P 3b1dcac2eeaf5f97450919f2a6eed74a4d54fb2b812bdb4a580f79d075e99dfe
+R 47d7be136c4f4c146dd38f56c85a1064
 U drh
-Z f5ec5ef9a94161cf3474a090fcd2095c
+Z 9dd82a4bb1074323ccd62faaa22b0ea3
 # Remove this line to create a well-formed Fossil manifest.

manifest.uuid

@@ -1 +1 @@
-3b1dcac2eeaf5f97450919f2a6eed74a4d54fb2b812bdb4a580f79d075e99dfe
+4aad891802d9d87f1ff3cbbf4bc70fa242c6782088189a2bd5d6f8863f552d29

src/json.c

@@ -2054,10 +2054,7 @@ static u32 jsonbPayloadSize(const JsonParse *pParse, u32 i, u32 *pSz){
   u8 x;
   u32 sz;
   u32 n;
-  if( NEVER(i>pParse->nBlob) ){
-    *pSz = 0;
-    return 0;
-  }
+  assert( i<=pParse->nBlob );
   x = pParse->aBlob[i]>>4;
   if( x<=11 ){
     sz = x;
@@ -2101,8 +2098,8 @@ static u32 jsonbPayloadSize(const JsonParse *pParse, u32 i, u32 *pSz){
   if( (i64)i+sz+n > pParse->nBlob
    && (i64)i+sz+n > pParse->nBlob-pParse->delta
   ){
-    sz = 0;
-    n = 0;
+    *pSz = 0;
+    return 0;
   }
   *pSz = sz;
   return n;

src/util.c

@@ -1130,7 +1130,11 @@ void sqlite3FpDecode(FpDecode *p, double r, int iRound, int mxRound){
   }
   p->z = &p->zBuf[i+1];
   assert( i+p->n < sizeof(p->zBuf) );
-  while( ALWAYS(p->n>0) && p->z[p->n-1]=='0' ){ p->n--; }
+  assert( p->n>0 );
+  while( p->z[p->n-1]=='0' ){
+    p->n--;
+    assert( p->n>0 );
+  }
 }
 
 /*

src/vdbemem.c

@@ -327,7 +327,7 @@ void sqlite3VdbeMemZeroTerminateIfAble(Mem *pMem){
     return;
   }
   if( pMem->enc!=SQLITE_UTF8 ) return;
-  if( NEVER(pMem->z==0) ) return;
+  assert( pMem->z!=0 );
   if( pMem->flags & MEM_Dyn ){
     if( pMem->xDel==sqlite3_free
      && sqlite3_msize(pMem->z) >= (u64)(pMem->n+1)