[PHP-DEV] PHP 4.0 Bug #5321 Updated: quoted_printable_decode not decoding properly From: kir <email protected>
Date: 11/20/00

ID: 5321
Updated by: kir
Reported By: mcp <email protected>
Status: Closed
Bug Type: Strings related
Assigned To: kir
Comments:

Check the latest version on http://snaps.php.net
or wait until 4.0.4.

Previous Comments:
---------------------------------------------------------------------------

[2000-11-17 06:36:57] kir <email protected>
Should be fixed in the latest CVS.

---------------------------------------------------------------------------

[2000-10-02 22:26:09] sniper <email protected>
Could someone check this out who knows the internals of
ext/standard/quot_print.c ??

--Jani

---------------------------------------------------------------------------

[2000-09-04 21:03:50] sniper <email protected>
Is this still happening with php4.0.2 (or preferrably latest CVS) ??

--Jani

---------------------------------------------------------------------------

[2000-07-27 20:18:11] waldschrott <email protected>
checking out

---------------------------------------------------------------------------

[2000-07-02 00:20:47] mcp <email protected>
The following code will produce the correct results (with a probable speed increase).

/*
*
* Decoding Quoted-printable string.
*
*** modified 2000.06.30 by Mark Peters
*** fixed code to recognize '= cr lf' sequence as soft newline
*** and ignore (hide) mis-formed or bogus escape sequences
*/

/* {{{ proto string quoted_printable_decode(string str)
   Convert a quoted-printable string to an 8 bit string */

PHP_FUNCTION(quoted_printable_decode)
{
        pval **arg1;
        char *str;
        int i = 0, j = 0;

        
    if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1,&arg1)==FAILURE)
    {
            WRONG_PARAM_COUNT;
    }
    convert_to_string_ex(arg1);
    
    str = (*arg1)->value.str.val;
    while ( str[i] )
    {
      if (str[i] == '=') // start of escape sequence
      {
         // look for soft line break sequence ( = cr lf )
         if (str[i+1] == 13 && str[i+2] == 10)
         {
             i += 3; // skip over crlf sequence
             continue;
         }

         // first digit not hex?
         if (!isxdigit((int)str[i+1]))
         {
             ++i;
             continue;
         }
         // second digit not hex?
         if (!isxdigit((int)str[i+2]))
         {
             i += 2;
             continue;
         }

         // good escape code
         str[j++] = (php_hex2int((int)str[i+1]) << 4 ) + php_hex2int((int)str[i+2]);
         i += 3;
         continue;
      }

      str[j++] = str[i++];

    }

    str[j] = ' 

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