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Overview
Comment:Fix compiler warnings found on Lion.
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SHA1: fd74d3d91721ca404537f195fed04c9edef20bf2
User & Date: drh 2012-09-29 14:45:54
Context
2012-09-29
15:45
Disable the bigfile tests on Macs. check-in: d869edda user: drh tags: trunk
14:45
Fix compiler warnings found on Lion. check-in: fd74d3d9 user: drh tags: trunk
2012-09-28
20:23
Avoid calling sqlite3BtreeEnter() in a corner case where the corresponding database handle mutex (sqlite3.mutex) may not be held. This prevents a potential deadlock or crash that can occur if the backup API, shared-cache mode and SQLITE_HAVE_CODEC are all in use. check-in: 89b8c377 user: dan tags: trunk
Changes
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Changes to src/tclsqlite.c. 

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    Tcl_AppendResult(interp, "incrblob not available in this build", 0);
    return TCL_ERROR;
#else
    int isReadonly = 0;
    const char *zDb = "main";
    const char *zTable;
    const char *zColumn;
    sqlite_int64 iRow;

    /* Check for the -readonly option */
    if( objc>3 && strcmp(Tcl_GetString(objv[2]), "-readonly")==0 ){
      isReadonly = 1;
    }

    if( objc!=(5+isReadonly) && objc!=(6+isReadonly) ){








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    Tcl_AppendResult(interp, "incrblob not available in this build", 0);
    return TCL_ERROR;
#else
    int isReadonly = 0;
    const char *zDb = "main";
    const char *zTable;
    const char *zColumn;
    Tcl_WideInt iRow;

    /* Check for the -readonly option */
    if( objc>3 && strcmp(Tcl_GetString(objv[2]), "-readonly")==0 ){
      isReadonly = 1;
    }

    if( objc!=(5+isReadonly) && objc!=(6+isReadonly) ){

Changes to src/test1.c. 

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  void * clientData,
  Tcl_Interp *interp,
  int objc,
  Tcl_Obj *CONST objv[]
){
  sqlite3_stmt *pStmt;
  int idx;
  i64 value;
  int rc;

  if( objc!=4 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"",
        Tcl_GetStringFromObj(objv[0], 0), " STMT N VALUE", 0);
    return TCL_ERROR;
  }
................................................................................
static int test_soft_heap_limit(
  void * clientData,
  Tcl_Interp *interp,
  int objc,
  Tcl_Obj *CONST objv[]
){
  sqlite3_int64 amt;
  sqlite3_int64 N = -1;
  if( objc!=1 && objc!=2 ){
    Tcl_WrongNumArgs(interp, 1, objv, "?N?");
    return TCL_ERROR;
  }
  if( objc==2 ){
    if( Tcl_GetWideIntFromObj(interp, objv[1], &N) ) return TCL_ERROR;
  }
................................................................................
*/
static int file_control_sizehint_test(
  ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
  int objc,              /* Number of arguments */
  Tcl_Obj *CONST objv[]  /* Command arguments */
){
  sqlite3_int64 nSize;            /* Hinted size */
  char *zDb;                      /* Db name ("main", "temp" etc.) */
  sqlite3 *db;                    /* Database handle */
  int rc;                         /* file_control() return code */

  if( objc!=4 ){
    Tcl_WrongNumArgs(interp, 1, objv, "DB DBNAME SIZE");
    return TCL_ERROR;








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  void * clientData,
  Tcl_Interp *interp,
  int objc,
  Tcl_Obj *CONST objv[]
){
  sqlite3_stmt *pStmt;
  int idx;
  Tcl_WideInt value;
  int rc;

  if( objc!=4 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"",
        Tcl_GetStringFromObj(objv[0], 0), " STMT N VALUE", 0);
    return TCL_ERROR;
  }
................................................................................
static int test_soft_heap_limit(
  void * clientData,
  Tcl_Interp *interp,
  int objc,
  Tcl_Obj *CONST objv[]
){
  sqlite3_int64 amt;
  Tcl_WideInt N = -1;
  if( objc!=1 && objc!=2 ){
    Tcl_WrongNumArgs(interp, 1, objv, "?N?");
    return TCL_ERROR;
  }
  if( objc==2 ){
    if( Tcl_GetWideIntFromObj(interp, objv[1], &N) ) return TCL_ERROR;
  }
................................................................................
*/
static int file_control_sizehint_test(
  ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
  int objc,              /* Number of arguments */
  Tcl_Obj *CONST objv[]  /* Command arguments */
){
  Tcl_WideInt nSize;              /* Hinted size */
  char *zDb;                      /* Db name ("main", "temp" etc.) */
  sqlite3 *db;                    /* Database handle */
  int rc;                         /* file_control() return code */

  if( objc!=4 ){
    Tcl_WrongNumArgs(interp, 1, objv, "DB DBNAME SIZE");
    return TCL_ERROR;

Changes to src/test_intarray.c. 

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#ifndef SQLITE_OMIT_VIRTUALTABLE
  a = sqlite3_malloc( sizeof(a[0])*n );
  if( a==0 ){
    Tcl_AppendResult(interp, "SQLITE_NOMEM", (char*)0);
    return TCL_ERROR;
  }
  for(i=0; i<n; i++){
    a[i] = 0;
    Tcl_GetWideIntFromObj(0, objv[i+2], &a[i]);

  }
  rc = sqlite3_intarray_bind(pArray, n, a, sqlite3_free);
  if( rc!=SQLITE_OK ){
    Tcl_AppendResult(interp, sqlite3TestErrorName(rc), (char*)0);
    return TCL_ERROR;
  }
#endif








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#ifndef SQLITE_OMIT_VIRTUALTABLE
  a = sqlite3_malloc( sizeof(a[0])*n );
  if( a==0 ){
    Tcl_AppendResult(interp, "SQLITE_NOMEM", (char*)0);
    return TCL_ERROR;
  }
  for(i=0; i<n; i++){
    Tcl_WideInt x = 0;
    Tcl_GetWideIntFromObj(0, objv[i+2], &x);
    a[i] = x;
  }
  rc = sqlite3_intarray_bind(pArray, n, a, sqlite3_free);
  if( rc!=SQLITE_OK ){
    Tcl_AppendResult(interp, sqlite3TestErrorName(rc), (char*)0);
    return TCL_ERROR;
  }
#endif

Changes to src/test_quota.c. 

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    pFile = 0;
  }
  rc = fwrite(pBuf, size, nmemb, p->f);

  /* If the write was incomplete, adjust the file size and group size
  ** downward */
  if( rc<nmemb && pFile ){
    size_t nWritten = rc>=0 ? rc : 0;
    sqlite3_int64 iNewEnd = iOfst + size*nWritten;
    if( iNewEnd<iEnd ) iNewEnd = iEnd;
    quotaEnter();
    pFile->pGroup->iSize += iNewEnd - pFile->iSize;
    pFile->iSize = iNewEnd;
    quotaLeave();
  }
................................................................................
  Tcl_IncrRefCount(pEval);
  Tcl_ListObjAppendElement(0, pEval, Tcl_NewStringObj(zFilename, -1));
  Tcl_ListObjAppendElement(0, pEval, pVarname);
  Tcl_ListObjAppendElement(0, pEval, Tcl_NewWideIntObj(iSize));
  rc = Tcl_EvalObjEx(p->interp, pEval, TCL_EVAL_GLOBAL);

  if( rc==TCL_OK ){

    Tcl_Obj *pLimit = Tcl_ObjGetVar2(p->interp, pVarname, 0, 0);
    rc = Tcl_GetWideIntFromObj(p->interp, pLimit, piLimit);

    Tcl_UnsetVar(p->interp, Tcl_GetString(pVarname), 0);
  }

  Tcl_DecrRefCount(pEval);
  Tcl_DecrRefCount(pVarname);
  if( rc!=TCL_OK ) Tcl_BackgroundError(p->interp);
}
................................................................................
static int test_quota_set(
  void * clientData,
  Tcl_Interp *interp,
  int objc,
  Tcl_Obj *CONST objv[]
){
  const char *zPattern;           /* File pattern to configure */
  sqlite3_int64 iLimit;           /* Initial quota in bytes */
  Tcl_Obj *pScript;               /* Tcl script to invoke to increase quota */
  int rc;                         /* Value returned by quota_set() */
  TclQuotaCallback *p;            /* Callback object */
  int nScript;                    /* Length of callback script */
  void (*xDestroy)(void*);        /* Optional destructor for pArg */
  void (*xCallback)(const char *, sqlite3_int64 *, sqlite3_int64, void *);

................................................................................
  if( Tcl_GetIntFromObj(interp, objv[3], &nElem) ) return TCL_ERROR;
  zBuf = (char*)sqlite3_malloc( sz*nElem + 1 );
  if( zBuf==0 ){
    Tcl_SetResult(interp, "out of memory", TCL_STATIC);
    return TCL_ERROR;
  }
  got = sqlite3_quota_fread(zBuf, sz, nElem, p);
  if( got<0 ) got = 0;
  zBuf[got*sz] = 0;
  Tcl_SetResult(interp, zBuf, TCL_VOLATILE);
  sqlite3_free(zBuf);
  return TCL_OK;
}

/*








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    pFile = 0;
  }
  rc = fwrite(pBuf, size, nmemb, p->f);

  /* If the write was incomplete, adjust the file size and group size
  ** downward */
  if( rc<nmemb && pFile ){
    size_t nWritten = rc;
    sqlite3_int64 iNewEnd = iOfst + size*nWritten;
    if( iNewEnd<iEnd ) iNewEnd = iEnd;
    quotaEnter();
    pFile->pGroup->iSize += iNewEnd - pFile->iSize;
    pFile->iSize = iNewEnd;
    quotaLeave();
  }
................................................................................
  Tcl_IncrRefCount(pEval);
  Tcl_ListObjAppendElement(0, pEval, Tcl_NewStringObj(zFilename, -1));
  Tcl_ListObjAppendElement(0, pEval, pVarname);
  Tcl_ListObjAppendElement(0, pEval, Tcl_NewWideIntObj(iSize));
  rc = Tcl_EvalObjEx(p->interp, pEval, TCL_EVAL_GLOBAL);

  if( rc==TCL_OK ){
    Tcl_WideInt x;
    Tcl_Obj *pLimit = Tcl_ObjGetVar2(p->interp, pVarname, 0, 0);
    rc = Tcl_GetWideIntFromObj(p->interp, pLimit, &x);
    *piLimit = x;
    Tcl_UnsetVar(p->interp, Tcl_GetString(pVarname), 0);
  }

  Tcl_DecrRefCount(pEval);
  Tcl_DecrRefCount(pVarname);
  if( rc!=TCL_OK ) Tcl_BackgroundError(p->interp);
}
................................................................................
static int test_quota_set(
  void * clientData,
  Tcl_Interp *interp,
  int objc,
  Tcl_Obj *CONST objv[]
){
  const char *zPattern;           /* File pattern to configure */
  Tcl_WideInt iLimit;             /* Initial quota in bytes */
  Tcl_Obj *pScript;               /* Tcl script to invoke to increase quota */
  int rc;                         /* Value returned by quota_set() */
  TclQuotaCallback *p;            /* Callback object */
  int nScript;                    /* Length of callback script */
  void (*xDestroy)(void*);        /* Optional destructor for pArg */
  void (*xCallback)(const char *, sqlite3_int64 *, sqlite3_int64, void *);

................................................................................
  if( Tcl_GetIntFromObj(interp, objv[3], &nElem) ) return TCL_ERROR;
  zBuf = (char*)sqlite3_malloc( sz*nElem + 1 );
  if( zBuf==0 ){
    Tcl_SetResult(interp, "out of memory", TCL_STATIC);
    return TCL_ERROR;
  }
  got = sqlite3_quota_fread(zBuf, sz, nElem, p);

  zBuf[got*sz] = 0;
  Tcl_SetResult(interp, zBuf, TCL_VOLATILE);
  sqlite3_free(zBuf);
  return TCL_OK;
}

/*

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