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Overview
Comment:Handle sqlite3_temp_directory on OS/2. (CVS 5379)
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SHA1: 9da0b32c8c55b41cbcb4eb635c51348072101ea9
User & Date: pweilbacher 2008-07-08 22:34:07
Context
2008-07-08
23:40
Remove obsolete code from select.c, including the "affinity" parameter to the sqlite3Select() module. (CVS 5380) check-in: cbd3c158 user: drh tags: trunk
22:34
Handle sqlite3_temp_directory on OS/2. (CVS 5379) check-in: 9da0b32c user: pweilbacher tags: trunk
22:28
Added macros to convert between 32-bit ints and 64-bit ptrs to avoid compiler warnings. (CVS 5378) check-in: 6cdb6841 user: shane tags: trunk
Changes
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Changes to src/os_os2.c. 

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**    May you find forgiveness for yourself and forgive others.
**    May you share freely, never taking more than you give.
**
******************************************************************************
**
** This file contains code that is specific to OS/2.
**
** $Id: os_os2.c,v 1.48 2008/07/08 19:46:24 pweilbacher Exp $
*/

#include "sqliteInt.h"

#if SQLITE_OS_OS2

/*
................................................................................
  static const unsigned char zChars[] =
    "abcdefghijklmnopqrstuvwxyz"
    "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
    "0123456789";
  int i, j;
  char zTempPathBuf[3];
  PSZ zTempPath = (PSZ)&zTempPathBuf;
  char *zTempPathUTF;


  if( DosScanEnv( (PSZ)"TEMP", &zTempPath ) ){
    if( DosScanEnv( (PSZ)"TMP", &zTempPath ) ){
      if( DosScanEnv( (PSZ)"TMPDIR", &zTempPath ) ){
           ULONG ulDriveNum = 0, ulDriveMap = 0;
           DosQueryCurrentDisk( &ulDriveNum, &ulDriveMap );
           sprintf( (char*)zTempPath, "%c:", (char)( 'A' + ulDriveNum - 1 ) );

      }
    }
  }
  /* strip off a trailing slashes or backslashes, otherwise we would get *
   * multiple (back)slashes which causes DosOpen() to fail               */

  j = strlen(zTempPath);
  while( j > 0 && ( zTempPath[j-1] == '\\' || zTempPath[j-1] == '/' ) ){

    j--;
  }
  zTempPath[j] = '\0';

  zTempPathUTF = convertCpPathToUtf8( zTempPath );
  sqlite3_snprintf( nBuf-30, zBuf,
                    "%s\\"SQLITE_TEMP_FILE_PREFIX, zTempPathUTF );
  free( zTempPathUTF );




  j = strlen( zBuf );
  sqlite3_randomness( 20, &zBuf[j] );
  for( i = 0; i < 20; i++, j++ ){
    zBuf[j] = (char)zChars[ ((unsigned char)zBuf[j])%(sizeof(zChars)-1) ];
  }
  zBuf[j] = 0;
  OSTRACE2( "TEMP FILENAME: %s\n", zBuf );
................................................................................
                ulOpenFlags,
                ulOpenMode,
                (PEAOP2)NULL );
  free( zNameCp );
  if( rc != NO_ERROR ){
    OSTRACE7( "OPEN Invalid handle rc=%d: zName=%s, ulAction=%#lx, ulAttr=%#lx, ulFlags=%#lx, ulMode=%#lx\n",
              rc, zName, ulAction, ulFileAttribute, ulOpenFlags, ulOpenMode );
    if ( pFile->pathToDel )
      free( pFile->pathToDel );
    pFile->pathToDel = NULL;
    if( flags & SQLITE_OPEN_READWRITE ){
      OSTRACE2( "OPEN %d Invalid handle\n", ((flags | SQLITE_OPEN_READONLY) & ~SQLITE_OPEN_READWRITE) );
      return os2Open( 0, zName, id,
                      ((flags | SQLITE_OPEN_READONLY) & ~SQLITE_OPEN_READWRITE),
                      pOutFlags );








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**    May you find forgiveness for yourself and forgive others.
**    May you share freely, never taking more than you give.
**
******************************************************************************
**
** This file contains code that is specific to OS/2.
**
** $Id: os_os2.c,v 1.49 2008/07/08 22:34:07 pweilbacher Exp $
*/

#include "sqliteInt.h"

#if SQLITE_OS_OS2

/*
................................................................................
  static const unsigned char zChars[] =
    "abcdefghijklmnopqrstuvwxyz"
    "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
    "0123456789";
  int i, j;
  char zTempPathBuf[3];
  PSZ zTempPath = (PSZ)&zTempPathBuf;
  if( sqlite3_temp_directory ){
    zTempPath = sqlite3_temp_directory;
  }else{
    if( DosScanEnv( (PSZ)"TEMP", &zTempPath ) ){
      if( DosScanEnv( (PSZ)"TMP", &zTempPath ) ){
        if( DosScanEnv( (PSZ)"TMPDIR", &zTempPath ) ){
             ULONG ulDriveNum = 0, ulDriveMap = 0;
             DosQueryCurrentDisk( &ulDriveNum, &ulDriveMap );
             sprintf( (char*)zTempPath, "%c:", (char)( 'A' + ulDriveNum - 1 ) );
        }
      }
    }
  }
  /* Strip off a trailing slashes or backslashes, otherwise we would get *
   * multiple (back)slashes which causes DosOpen() to fail.              *
   * Trailing spaces are not allowed, either.                            */
  j = strlen(zTempPath);
  while( j > 0 && ( zTempPath[j-1] == '\\' || zTempPath[j-1] == '/'
                    || zTempPath[j-1] == ' ' ) ){
    j--;
  }
  zTempPath[j] = '\0';
  if( !sqlite3_temp_directory ){
    char *zTempPathUTF = convertCpPathToUtf8( zTempPath );
    sqlite3_snprintf( nBuf-30, zBuf,
                      "%s\\"SQLITE_TEMP_FILE_PREFIX, zTempPathUTF );
    free( zTempPathUTF );
  }else{
    sqlite3_snprintf( nBuf-30, zBuf,
                      "%s\\"SQLITE_TEMP_FILE_PREFIX, zTempPath );
  }
  j = strlen( zBuf );
  sqlite3_randomness( 20, &zBuf[j] );
  for( i = 0; i < 20; i++, j++ ){
    zBuf[j] = (char)zChars[ ((unsigned char)zBuf[j])%(sizeof(zChars)-1) ];
  }
  zBuf[j] = 0;
  OSTRACE2( "TEMP FILENAME: %s\n", zBuf );
................................................................................
                ulOpenFlags,
                ulOpenMode,
                (PEAOP2)NULL );
  free( zNameCp );
  if( rc != NO_ERROR ){
    OSTRACE7( "OPEN Invalid handle rc=%d: zName=%s, ulAction=%#lx, ulAttr=%#lx, ulFlags=%#lx, ulMode=%#lx\n",
              rc, zName, ulAction, ulFileAttribute, ulOpenFlags, ulOpenMode );
    if( pFile->pathToDel )
      free( pFile->pathToDel );
    pFile->pathToDel = NULL;
    if( flags & SQLITE_OPEN_READWRITE ){
      OSTRACE2( "OPEN %d Invalid handle\n", ((flags | SQLITE_OPEN_READONLY) & ~SQLITE_OPEN_READWRITE) );
      return os2Open( 0, zName, id,
                      ((flags | SQLITE_OPEN_READONLY) & ~SQLITE_OPEN_READWRITE),
                      pOutFlags );

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