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Comment:Work around a NaN bug in some versions of Tcl. (CVS 5058)
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SHA1: 7bf8213ce9f591f4c2ef6c1e19a17712e3bae9e3
User & Date: drh 2008-04-28 15:23:03.000
Context
2008-04-28
16:19
Fix a shared-cache mode problem triggered when sqlite3_open16() was used to open the second or subsequent connections to a utf-8 database. (CVS 5059) (check-in: 20946bf6dd user: danielk1977 tags: trunk)
15:23
Work around a NaN bug in some versions of Tcl. (CVS 5058) (check-in: 7bf8213ce9 user: drh tags: trunk)
13:02
Changes to test scripts to accommodate different architectures and different versions of Tcl. (CVS 5057) (check-in: 8eb2c07c52 user: drh tags: trunk)
Changes
Unified Diff Ignore Whitespace Patch
Changes to src/test1.c.
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**    May you share freely, never taking more than you give.
**
*************************************************************************
** Code for testing all sorts of SQLite interfaces.  This code
** is not included in the SQLite library.  It is used for automated
** testing of the SQLite library.
**
** $Id: test1.c,v 1.299 2008/04/16 12:58:54 drh Exp $
*/
#include "sqliteInt.h"
#include "tcl.h"
#include <stdlib.h>
#include <string.h>

/*








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**    May you share freely, never taking more than you give.
**
*************************************************************************
** Code for testing all sorts of SQLite interfaces.  This code
** is not included in the SQLite library.  It is used for automated
** testing of the SQLite library.
**
** $Id: test1.c,v 1.300 2008/04/28 15:23:03 drh Exp $
*/
#include "sqliteInt.h"
#include "tcl.h"
#include <stdlib.h>
#include <string.h>

/*
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    Tcl_AppendResult(interp, "wrong # args: should be \"",
        Tcl_GetStringFromObj(objv[0], 0), " STMT N VALUE", 0);
    return TCL_ERROR;
  }

  if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
  if( Tcl_GetIntFromObj(interp, objv[2], &idx) ) return TCL_ERROR;











  if( Tcl_GetDoubleFromObj(interp, objv[3], &value) ) return TCL_ERROR;


  rc = sqlite3_bind_double(pStmt, idx, value);
  if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
  if( rc!=SQLITE_OK ){
    return TCL_ERROR;
  }

  return TCL_OK;








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    Tcl_AppendResult(interp, "wrong # args: should be \"",
        Tcl_GetStringFromObj(objv[0], 0), " STMT N VALUE", 0);
    return TCL_ERROR;
  }

  if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
  if( Tcl_GetIntFromObj(interp, objv[2], &idx) ) return TCL_ERROR;

  /* Intercept the string "NaN" and generate a NaN value for it.
  ** All other strings are passed through to Tcl_GetDoubleFromObj().
  ** Tcl_GetDoubleFromObj() should understand "NaN" but some versions
  ** contain a bug.
  */
  if( strcmp(Tcl_GetString(objv[3]), "NaN")==0 ){
    sqlite3_int64 i;
    i = 0xfff80000;
    i <<= 32;
    value = *(double*)(char*)&i;
  }else if( Tcl_GetDoubleFromObj(interp, objv[3], &value) ){
    return TCL_ERROR;
  }
  rc = sqlite3_bind_double(pStmt, idx, value);
  if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
  if( rc!=SQLITE_OK ){
    return TCL_ERROR;
  }

  return TCL_OK;
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