Trivial modifications to prevent compiler warnings. (CVS 1606)

FossilOrigin-Name: 6001c5e1ced08096bb404e72ff533b7edcc896ec

manifest

@@ -1,5 +1,5 @@
-C Fix\shandling\sof\sa\sfailed\smalloc()\sin\svarious\splaces\s(CVS\s1605)
-D 2004-06-16T10:39:52
+C Trivial\smodifications\sto\sprevent\scompiler\swarnings.\s(CVS\s1606)
+D 2004-06-16T12:00:29
 F Makefile.in ab7b0d5118e2da97bac66be8684a1034e3500f5a
 F Makefile.linux-gcc a9e5a0d309fa7c38e7c14d3ecf7690879d3a5457
 F README f1de682fbbd94899d50aca13d387d1b3fd3be2dd
@@ -26,19 +26,19 @@ F sqlite.def fc4f5734786fe4743cfe2aa98eb2da4b089edb5f
 F sqlite.pc.in 30552343140c53304c2a658c080fbe810cd09ca2
 F src/attach.c 93b8ecec4a8d7b4e9f2479e2327d90c9d01765e8
 F src/auth.c 204e1e9c45e64315589bc8b62cba5d9de29b6a3c
-F src/btree.c 2852932e900b1b82e105fd651807f199a1d86f12
+F src/btree.c 0cf8a52a57a7eb13d50719114ee1fa353e89d7d3
 F src/btree.h 32f96abef464cf8765b23ca669acfe90d191fcc5
 F src/build.c 19fc5d0336a3fef973d62b3a1728078a319e4045
 F src/date.c 65b483caeb0e4dd663667d2f927caa058168ebff
-F src/delete.c 911221aadb35d610c84fadb32e71c52990827e58
+F src/delete.c 1e94ef693e45b441f5c828ea0a064ac339008f8e
 F src/encode.c a876af473d1d636faa3dca51c7571f2e007eea37
-F src/expr.c 7c19fbc4495f8978439c20528cf3e070df068427
+F src/expr.c 657ca11f63a06aefd78014e6bc51dab6c735cc63
 F src/func.c be055fc63f1ae59c6a5dc4901240669f2a21f40c
 F src/hash.c 440c2f8cb373ee1b4e13a0988489c7cd95d55b6f
 F src/hash.h 762d95f1e567664d1eafc1687de755626be962fb
-F src/insert.c 68c7f3ddd6a7f1e5596d6996da1a2861b3789a3a
+F src/insert.c 15575e57917ea2e5702a2b5935583c84139699c3
 F src/legacy.c ad23746f15f67e34577621b1875f639c94839e1f
-F src/main.c adac42394fb42aa47e3fdc5d9354d21f4bdaf29a
+F src/main.c 63c30e17cae13cbe9ccc037507cd03a27fc3d67b
 F src/md5.c d77a389955759c8329bb357e3d71bac3d6eb710b
 F src/os.h 1cb5f0293a30288451fe3c0c73815cf208212ed1
 F src/os_common.h ba1b7306e16e2091718f2c48db0fe6c1d7a31bb8
@@ -48,7 +48,7 @@ F src/os_unix.c 8832c78dd95c115b1690054354d90321a791950d
 F src/os_unix.h 1cd6133cf66dea704b8646b70b2dfdcbdd9b3738
 F src/os_win.c 337e973ee77797aaab4787e3477a5945fcd97266
 F src/os_win.h 004eec47b1780fcaf07420ddc2072294b698d48c
-F src/pager.c 72b5ab4fcc60d07d4a078434247bba1e3617d90d
+F src/pager.c 453099416c10669365ca70f12f13e67e6ef11000
 F src/pager.h bc58d32a9dee464f7268fb68652c130a4216e438
 F src/parse.y 097438674976355a10cf177bd97326c548820b86
 F src/pragma.c be8ed53611971f8c93f66cd31129af89e6d58997
@@ -224,7 +224,7 @@ F www/support.tcl 1801397edd271cc39a2aadd54e701184b5181248
 F www/tclsqlite.tcl 19191cf2a1010eaeff74c51d83fd5f5a4d899075
 F www/vdbe.tcl 59288db1ac5c0616296b26dce071c36cb611dfe9
 F www/whentouse.tcl a8335bce47cc2fddb07f19052cb0cb4d9129a8e4
-P 7d8edce4c12d075acbc6bac6758aabb2769f983a
-R be28934235640c9ed3003a5c5e30f6a4
+P b739ef2a1b8f7cfee4ab3f4c1319c159bd1e2e40
+R 34de51c2b09ded7c20407703316e67d9
 U danielk1977
-Z 36276b8c3fee19808c53a65120310e72
+Z 65f56c8d01087ad1b77a565b9ecae0bf

manifest.uuid

@@ -1 +1 @@
-b739ef2a1b8f7cfee4ab3f4c1319c159bd1e2e40
+6001c5e1ced08096bb404e72ff533b7edcc896ec

src/btree.c

@@ -9,7 +9,7 @@
 **    May you share freely, never taking more than you give.
 **
 *************************************************************************
-** $Id: btree.c,v 1.170 2004/06/15 11:40:04 danielk1977 Exp $
+** $Id: btree.c,v 1.171 2004/06/16 12:00:29 danielk1977 Exp $
 **
 ** This file implements a external (disk-based) database using BTrees.
 ** For a detailed discussion of BTrees, refer to
@@ -1346,7 +1346,7 @@ void sqlite3BtreeCursorList(Btree *pBt){
 ** are no active cursors, it also releases the read lock.
 */
 int sqlite3BtreeRollback(Btree *pBt){
-  int rc;
+  int rc = SQLITE_OK;
   MemPage *pPage1;
   if( pBt->inTrans==TRANS_WRITE ){
     rc = sqlite3pager_rollback(pBt->pPager);
@@ -1732,30 +1732,31 @@ static int getPayload(
   }else{
     offset -= pCur->info.nLocal;
   }
+  ovflSize = pBt->usableSize - 4;
   if( amt>0 ){
     nextPage = get4byte(&aPayload[pCur->info.nLocal]);
-  }
-  ovflSize = pBt->usableSize - 4;
-  while( amt>0 && nextPage ){
-    rc = sqlite3pager_get(pBt->pPager, nextPage, (void**)&aPayload);
-    if( rc!=0 ){
-      return rc;
-    }
-    nextPage = get4byte(aPayload);
-    if( offset<ovflSize ){
-      int a = amt;
-      if( a + offset > ovflSize ){
-        a = ovflSize - offset;
+    while( amt>0 && nextPage ){
+      rc = sqlite3pager_get(pBt->pPager, nextPage, (void**)&aPayload);
+      if( rc!=0 ){
+        return rc;
       }
-      memcpy(pBuf, &aPayload[offset+4], a);
-      offset = 0;
-      amt -= a;
-      pBuf += a;
-    }else{
-      offset -= ovflSize;
+      nextPage = get4byte(aPayload);
+      if( offset<ovflSize ){
+        int a = amt;
+        if( a + offset > ovflSize ){
+          a = ovflSize - offset;
+        }
+        memcpy(pBuf, &aPayload[offset+4], a);
+        offset = 0;
+        amt -= a;
+        pBuf += a;
+      }else{
+        offset -= ovflSize;
+      }
+      sqlite3pager_unref(aPayload);
     }
-    sqlite3pager_unref(aPayload);
   }
+
   if( amt>0 ){
     return SQLITE_CORRUPT;
   }
@@ -2836,7 +2837,7 @@ static int balance(MemPage*);
 static int balance_nonroot(MemPage *pPage){
   MemPage *pParent;            /* The parent of pPage */
   Btree *pBt;                  /* The whole database */
-  int nCell;                   /* Number of cells in aCell[] */
+  int nCell = 0;               /* Number of cells in aCell[] */
   int nOld;                    /* Number of pages in apOld[] */
   int nNew;                    /* Number of pages in apNew[] */
   int nDiv;                    /* Number of cells in apDiv[] */
@@ -3494,7 +3495,7 @@ int sqlite3BtreeDelete(BtCursor *pCur){
   MemPage *pPage = pCur->pPage;
   unsigned char *pCell;
   int rc;
-  Pgno pgnoChild;
+  Pgno pgnoChild = 0;
   Btree *pBt = pCur->pBt;
 
   assert( pPage->isInit );

src/delete.c

@@ -12,7 +12,7 @@
 ** This file contains C code routines that are called by the parser
 ** to handle DELETE FROM statements.
 **
-** $Id: delete.c,v 1.73 2004/06/10 10:50:15 danielk1977 Exp $
+** $Id: delete.c,v 1.74 2004/06/16 12:00:49 danielk1977 Exp $
 */
 #include "sqliteInt.h"
 
@@ -61,7 +61,7 @@ void sqlite3DeleteFrom(
   Vdbe *v;               /* The virtual database engine */
   Table *pTab;           /* The table from which records will be deleted */
   const char *zDb;       /* Name of database holding pTab */
-  int end, addr;         /* A couple addresses of generated code */
+  int end, addr = 0;     /* A couple addresses of generated code */
   int i;                 /* Loop counter */
   WhereInfo *pWInfo;     /* Information about the WHERE clause */
   Index *pIdx;           /* For looping over indices of the table */

src/expr.c

@@ -12,7 +12,7 @@
 ** This file contains routines used for analyzing expressions and
 ** for generating VDBE code that evaluates expressions in SQLite.
 **
-** $Id: expr.c,v 1.142 2004/06/15 16:51:01 danielk1977 Exp $
+** $Id: expr.c,v 1.143 2004/06/16 12:00:50 danielk1977 Exp $
 */
 #include "sqliteInt.h"
 #include <ctype.h>
@@ -1160,7 +1160,7 @@ void sqlite3ExprCode(Parse *pParse, Expr *pExpr){
     case TK_FLOAT:    op = OP_Real;       break;
     case TK_STRING:   op = OP_String8;     break;
     case TK_BLOB:     op = OP_HexBlob;    break;
-    default: break;
+    default: op = 0; break;
   }
   switch( pExpr->op ){
     case TK_COLUMN: {

src/insert.c

@@ -12,7 +12,7 @@
 ** This file contains C code routines that are called by the parser
 ** to handle INSERT statements in SQLite.
 **
-** $Id: insert.c,v 1.110 2004/06/10 10:50:21 danielk1977 Exp $
+** $Id: insert.c,v 1.111 2004/06/16 12:00:54 danielk1977 Exp $
 */
 #include "sqliteInt.h"
 
@@ -177,17 +177,17 @@ void sqlite3Insert(
   Vdbe *v;              /* Generate code into this virtual machine */
   Index *pIdx;          /* For looping over indices of the table */
   int nColumn;          /* Number of columns in the data */
-  int base;             /* VDBE Cursor number for pTab */
-  int iCont, iBreak;    /* Beginning and end of the loop over srcTab */
+  int base = 0;         /* VDBE Cursor number for pTab */
+  int iCont=0,iBreak=0; /* Beginning and end of the loop over srcTab */
   sqlite *db;           /* The main database structure */
   int keyColumn = -1;   /* Column that is the INTEGER PRIMARY KEY */
   int endOfLoop;        /* Label for the end of the insertion loop */
   int useTempTable;     /* Store SELECT results in intermediate table */
-  int srcTab;           /* Data comes from this temporary cursor if >=0 */
-  int iSelectLoop;      /* Address of code that implements the SELECT */
-  int iCleanup;         /* Address of the cleanup code */
-  int iInsertBlock;     /* Address of the subroutine used to insert data */
-  int iCntMem;          /* Memory cell used for the row counter */
+  int srcTab = 0;       /* Data comes from this temporary cursor if >=0 */
+  int iSelectLoop = 0;  /* Address of code that implements the SELECT */
+  int iCleanup = 0;     /* Address of the cleanup code */
+  int iInsertBlock = 0; /* Address of the subroutine used to insert data */
+  int iCntMem = 0;      /* Memory cell used for the row counter */
   int isView;           /* True if attempting to insert into a view */
 
   int row_triggers_exist = 0; /* True if there are FOR EACH ROW triggers */
@@ -735,7 +735,7 @@ void sqlite3GenerateConstraintChecks(
   int iCur;
   Index *pIdx;
   int seenReplace = 0;
-  int jumpInst1, jumpInst2;
+  int jumpInst1=0, jumpInst2;
   int contAddr;
   int hasTwoRecnos = (isUpdate && recnoChng);
 

src/main.c

@@ -14,7 +14,7 @@
 ** other files are for internal use by SQLite and should not be
 ** accessed by users of the library.
 **
-** $Id: main.c,v 1.223 2004/06/16 10:39:32 danielk1977 Exp $
+** $Id: main.c,v 1.224 2004/06/16 12:00:56 danielk1977 Exp $
 */
 #include "sqliteInt.h"
 #include "os.h"
@@ -1021,7 +1021,7 @@ prepare_out:
   if( rc==SQLITE_OK ){
     *ppStmt = (sqlite3_stmt*)sParse.pVdbe;
   }else if( sParse.pVdbe ){
-    sqlite3_finalize(sParse.pVdbe);
+    sqlite3_finalize((sqlite3_stmt*)sParse.pVdbe);
   }
 
   if( zErrMsg ){

src/pager.c

@@ -18,7 +18,7 @@
 ** file simultaneously, or one process from reading the database while
 ** another is writing.
 **
-** @(#) $Id: pager.c,v 1.130 2004/06/16 10:39:39 danielk1977 Exp $
+** @(#) $Id: pager.c,v 1.131 2004/06/16 12:01:01 danielk1977 Exp $
 */
 #include "os.h"         /* Must be first to enable large file support */
 #include "sqliteInt.h"
@@ -1087,7 +1087,8 @@ int sqlite3pager_open(
   char *zFullPathname = 0;
   int nameLen;
   OsFile fd;
-  int rc, i;
+  int rc = SQLITE_OK;
+  int i;
   int tempFile = 0;
   int memDb = 0;
   int readOnly = 0;