/*
** Initialize a blob to a nul-terminated string.
** Any prior data in the blob is discarded.
*/
void blob_set(Blob *pBlob, const char *zStr){
  blob_init(pBlob, zStr, -1);
}

/*
** Initialize a blob to a nul-terminated string obtained from fossil_malloc().
** The blob will take responsibility for freeing the string.
*/
void blob_set_dynamic(Blob *pBlob, char *zStr){
  blob_init(pBlob, zStr, -1);
  pBlob->xRealloc = blobReallocMalloc;
}

/*
** Initialize a blob to an empty string.
*/
void blob_zero(Blob *pBlob){
  static const char zEmpty[] = "";
  assert_blob_is_reset(pBlob);

** is either no BOM at all or an (le/be) UTF-16 BOM, a conversion to UTF-8 is
** done.  If useMbcs is false and there is no BOM, the input string is assumed
** to be UTF-8 already, so no conversion is done.
*/
void blob_to_utf8_no_bom(Blob *pBlob, int useMbcs){
  char *zUtf8;
  int bomSize = 0;

  int bomReverse = 0;

  if( starts_with_utf8_bom(pBlob, &bomSize) ){
    struct Blob temp;
    zUtf8 = blob_str(pBlob) + bomSize;
    blob_zero(&temp);
    blob_append(&temp, zUtf8, -1);
    blob_swap(pBlob, &temp);
    blob_reset(&temp);

  }else if( starts_with_utf16_bom(pBlob, &bomSize, &bomReverse) ){
    zUtf8 = blob_buffer(pBlob);
    if( bomReverse ){
      /* Found BOM, but with reversed bytes */
      unsigned int i = blob_size(pBlob);
      while( i>0 ){
        /* swap bytes of unicode representation */
        char zTemp = zUtf8[--i];
        zUtf8[i] = zUtf8[i-1];
        zUtf8[--i] = zTemp;
      }
    }
    /* Make sure the blob contains two terminating 0-bytes */
    blob_append(pBlob, "", 1);
    zUtf8 = blob_str(pBlob) + bomSize;
    zUtf8 = fossil_unicode_to_utf8(zUtf8);

    blob_set_dynamic(pBlob, zUtf8);


#if defined(_WIN32)
  }else if( useMbcs ){
    zUtf8 = fossil_mbcs_to_utf8(blob_str(pBlob));
    blob_reset(pBlob);
    blob_append(pBlob, zUtf8, -1);
    fossil_mbcs_free(zUtf8);
#endif /* _WIN32 */
  }
}

}
int db_bind_double(Stmt *pStmt, const char *zParamName, double rValue){
  return sqlite3_bind_double(pStmt->pStmt, paramIdx(pStmt, zParamName), rValue);
}
int db_bind_text(Stmt *pStmt, const char *zParamName, const char *zValue){
  return sqlite3_bind_text(pStmt->pStmt, paramIdx(pStmt, zParamName), zValue,
                           -1, SQLITE_STATIC);
}
int db_bind_text16(Stmt *pStmt, const char *zParamName, const char *zValue){
  return sqlite3_bind_text16(pStmt->pStmt, paramIdx(pStmt, zParamName), zValue,
                             -1, SQLITE_STATIC);
}
int db_bind_null(Stmt *pStmt, const char *zParamName){
  return sqlite3_bind_null(pStmt->pStmt, paramIdx(pStmt, zParamName));
}
int db_bind_blob(Stmt *pStmt, const char *zParamName, Blob *pBlob){
  return sqlite3_bind_blob(pStmt->pStmt, paramIdx(pStmt, zParamName),
                          blob_buffer(pBlob), blob_size(pBlob), SQLITE_STATIC);

  if( diffFlags & DIFF_INVERT ){
    Blob *pTemp = pA_Blob;
    pA_Blob = pB_Blob;
    pB_Blob = pTemp;
  }
  ignoreEolWs = (diffFlags & DIFF_IGNORE_EOLWS)!=0;
  blob_to_utf8_no_bom(pA_Blob, 0);
  blob_to_utf8_no_bom(pB_Blob, 0);

  /* Prepare the input files */
  memset(&c, 0, sizeof(c));
  c.aFrom = break_into_lines(blob_str(pA_Blob), blob_size(pA_Blob),
                             &c.nFrom, ignoreEolWs);
  c.aTo = break_into_lines(blob_str(pB_Blob), blob_size(pB_Blob),
                           &c.nTo, ignoreEolWs);

    @ <iframe src="%R/raw/%T(blob_str(&downloadName))?name=%s(zUuid)"
    @   width="100%%" frameborder="0" marginwidth="0" marginheight="0"
    @   sandbox="allow-same-origin"
    @   onload="this.height = this.contentDocument.documentElement.scrollHeight;">
    @ </iframe>
  }else{
    style_submenu_element("Hex","Hex", "%s/hexdump?name=%s", g.zTop, zUuid);
    blob_to_utf8_no_bom(&content, 0);
    zMime = mimetype_from_content(&content);
    @ <blockquote>
    if( zMime==0 ){
      const char *zLn = P("ln");
      const char *z;

      z = blob_str(&content);
      if( zLn ){
        output_text_with_line_numbers(z, zLn);
      }else{
        @ <pre>
        @ %h(z)
        @ </pre>

** Return a pointer to the translated text.
** Call fossil_unicode_free() to deallocate any memory used to store the
** returned pointer when done.
*/
char *fossil_unicode_to_utf8(const void *zUnicode){
#if defined(_WIN32) || defined(__CYGWIN__)
  int nByte = WideCharToMultiByte(CP_UTF8, 0, zUnicode, -1, 0, 0, 0, 0);
  char *zUtf = fossil_malloc( nByte );



  WideCharToMultiByte(CP_UTF8, 0, zUnicode, -1, zUtf, nByte, 0, 0);
  return zUtf;
#else
  static Stmt q;
  char *zUtf8;
  db_static_prepare(&q, "SELECT :utf8");
  db_bind_text16(&q, ":utf8", zUnicode);
  db_step(&q);
  zUtf8 = fossil_strdup(db_column_text(&q, 0));
  db_reset(&q);
  return zUtf8;
#endif
}

/*
** Translate UTF-8 to unicode for use in system calls.  Return a pointer to the
** translated text..  Call fossil_unicode_free() to deallocate any memory
** used to store the returned pointer when done.
*/
void *fossil_utf8_to_unicode(const char *zUtf8){
#if defined(_WIN32) || defined(__CYGWIN__)
  int nByte = MultiByteToWideChar(CP_UTF8, 0, zUtf8, -1, 0, 0);
  wchar_t *zUnicode = fossil_malloc( nByte * 2 );



  MultiByteToWideChar(CP_UTF8, 0, zUtf8, -1, zUnicode, nByte);
  return zUnicode;
#else
  assert( 0 );  /* Never used in unix */
  return fossil_strdup(zUtf8);  /* TODO: implement for unix */
#endif
}

/*
** Deallocate any memory that was previously allocated by
** fossil_unicode_to_utf8().
*/
void fossil_unicode_free(void *pOld){



  fossil_free(pOld);

}

#if defined(__APPLE__) && !defined(WITHOUT_ICONV)
# include <iconv.h>
#endif

/*