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LTP GCOV extension - code coverage report
Current view: directory - standard - quot_print.c
Test: PHP Code Coverage
Date: 2009-11-23 Instrumented lines: 111
Code covered: 79.3 % Executed lines: 88
Legend: not executed executed

       1                 : /*
       2                 :    +----------------------------------------------------------------------+
       3                 :    | PHP Version 6                                                        |
       4                 :    +----------------------------------------------------------------------+
       5                 :    | Copyright (c) 1997-2009 The PHP Group                                |
       6                 :    +----------------------------------------------------------------------+
       7                 :    | This source file is subject to version 3.01 of the PHP license,      |
       8                 :    | that is bundled with this package in the file LICENSE, and is        |
       9                 :    | available through the world-wide-web at the following url:           |
      10                 :    | http://www.php.net/license/3_01.txt                                  |
      11                 :    | If you did not receive a copy of the PHP license and are unable to   |
      12                 :    | obtain it through the world-wide-web, please send a note to          |
      13                 :    | license@php.net so we can mail you a copy immediately.               |
      14                 :    +----------------------------------------------------------------------+
      15                 :    | Author: Kirill Maximov <kir@actimind.com>                            |
      16                 :    +----------------------------------------------------------------------+
      17                 :  */
      18                 : 
      19                 : /* $Id: quot_print.c 276986 2009-03-10 23:40:06Z helly $ */
      20                 : 
      21                 : #include <stdlib.h>
      22                 : 
      23                 : #ifdef HAVE_UNISTD_H
      24                 : #include <unistd.h>
      25                 : #endif
      26                 : #include <string.h>
      27                 : #include <errno.h>
      28                 : 
      29                 : #include "php.h"
      30                 : #include "quot_print.h"
      31                 : 
      32                 : #include <stdio.h>
      33                 : 
      34                 : /*
      35                 : *  Converting HEX char to INT value
      36                 : */
      37                 : static char php_hex2int(int c) /* {{{ */
      38            3256 : {
      39            3256 :         if (isdigit(c)) {
      40            1722 :                 return c - '0';
      41                 :         }
      42            1534 :         else if (c >= 'A' && c <= 'F') {
      43            1531 :                 return c - 'A' + 10;
      44                 :         }
      45               3 :         else if (c >= 'a' && c <= 'f') {
      46               3 :                 return c - 'a' + 10;
      47                 :         }
      48                 :         else {
      49               0 :                 return -1;
      50                 :         }
      51                 : }
      52                 : /* }}} */
      53                 : 
      54                 : PHPAPI unsigned char *php_quot_print_decode(const unsigned char *str, size_t length, size_t *ret_length, int replace_us_by_ws) /* {{{ */
      55              35 : {
      56                 :         register unsigned int i;
      57                 :         register unsigned const char *p1;
      58                 :         register unsigned char *p2;
      59                 :         register unsigned int h_nbl, l_nbl;
      60                 : 
      61                 :         size_t decoded_len, buf_size;
      62                 :         unsigned char *retval;
      63                 : 
      64                 :         static unsigned int hexval_tbl[256] = {
      65                 :                 64, 64, 64, 64, 64, 64, 64, 64, 64, 32, 16, 64, 64, 16, 64, 64,
      66                 :                 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
      67                 :                 32, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
      68                 :                  0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 64, 64, 64, 64, 64, 64,
      69                 :                 64, 10, 11, 12, 13, 14, 15, 64, 64, 64, 64, 64, 64, 64, 64, 64,
      70                 :                 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
      71                 :                 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
      72                 :                 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
      73                 :                 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
      74                 :                 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
      75                 :                 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
      76                 :                 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
      77                 :                 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
      78                 :                 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
      79                 :                 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
      80                 :                 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64
      81                 :         };
      82                 : 
      83              35 :         if (replace_us_by_ws) {
      84              35 :                 replace_us_by_ws = '_';
      85                 :         }
      86                 : 
      87              35 :         i = length, p1 = str; buf_size = length;
      88                 : 
      89             384 :         while (i > 1 && *p1 != '\0') {
      90             314 :                 if (*p1 == '=') {
      91              70 :                         buf_size -= 2;
      92              70 :                         p1++;
      93              70 :                         i--;
      94                 :                 }
      95             314 :                 p1++;
      96             314 :                 i--;
      97                 :         }
      98                 : 
      99              35 :         retval = emalloc(buf_size + 1);
     100              35 :         i = length; p1 = str; p2 = retval;
     101              35 :         decoded_len = 0;
     102                 : 
     103             349 :         while (i > 0 && *p1 != '\0') {
     104             279 :                 if (*p1 == '=') {
     105              70 :                         i--, p1++;
     106              70 :                         if (i == 0 || *p1 == '\0') {
     107                 :                                 break;
     108                 :                         }
     109              70 :                         h_nbl = hexval_tbl[*p1];
     110              70 :                         if (h_nbl < 16) {
     111                 :                                 /* next char should be a hexadecimal digit */
     112              70 :                                 if ((--i) == 0 || (l_nbl = hexval_tbl[*(++p1)]) >= 16) {
     113               0 :                                         efree(retval);
     114               0 :                                         return NULL;
     115                 :                                 }
     116              70 :                                 *(p2++) = (h_nbl << 4) | l_nbl, decoded_len++;
     117              70 :                                 i--, p1++;
     118               0 :                         } else if (h_nbl < 64) {
     119                 :                                 /* soft line break */
     120               0 :                                 while (h_nbl == 32) {
     121               0 :                                         if (--i == 0 || (h_nbl = hexval_tbl[*(++p1)]) == 64) {
     122               0 :                                                 efree(retval);
     123               0 :                                                 return NULL;
     124                 :                                         }
     125                 :                                 }
     126               0 :                                 if (p1[0] == '\r' && i >= 2 && p1[1] == '\n') {
     127               0 :                                         i--, p1++;
     128                 :                                 }
     129               0 :                                 i--, p1++;
     130                 :                         } else {
     131               0 :                                 efree(retval);
     132               0 :                                 return NULL;
     133                 :                         }
     134                 :                 } else {
     135             209 :                         *(p2++) = (replace_us_by_ws == *p1 ? '\x20': *p1);
     136             209 :                         i--, p1++, decoded_len++;
     137                 :                 }
     138                 :         }
     139                 : 
     140              35 :         *p2 = '\0';
     141              35 :         *ret_length = decoded_len;
     142              35 :         return retval;
     143                 : }
     144                 : /* }}} */
     145                 : 
     146                 : #define PHP_QPRINT_MAXL 75
     147                 :  
     148                 : PHPAPI unsigned char *php_quot_print_encode(const unsigned char *str, size_t length, size_t *ret_length) /* {{{ */
     149               5 : {
     150               5 :         unsigned long lp = 0;
     151                 :         unsigned char c, *ret, *d;
     152               5 :         char *hex = "0123456789ABCDEF";
     153                 : 
     154               5 :         ret = safe_emalloc(1, 3 * length + 3 * (((3 * length)/PHP_QPRINT_MAXL) + 1), 0);
     155               5 :         d = ret;
     156                 : 
     157            1728 :         while (length--) {
     158            1718 :                 if (((c = *str++) == '\015') && (*str == '\012') && length > 0) {
     159               0 :                         *d++ = '\015';
     160               0 :                         *d++ = *str++;
     161               0 :                         length--;
     162               0 :                         lp = 0;
     163                 :                 } else {
     164            3318 :                         if (iscntrl (c) || (c == 0x7f) || (c & 0x80) || (c == '=') || ((c == ' ') && (*str == '\015'))) {
     165            1600 :                                 if ((lp += 3) > PHP_QPRINT_MAXL) {
     166              65 :                                         *d++ = '=';
     167              65 :                                         *d++ = '\015';
     168              65 :                                         *d++ = '\012';
     169              65 :                                         lp = 3;
     170                 :                                 }
     171            1600 :                                 *d++ = '=';
     172            1600 :                                 *d++ = hex[c >> 4];
     173            1600 :                                 *d++ = hex[c & 0xf];
     174                 :                         } else {
     175             118 :                                 if ((++lp) > PHP_QPRINT_MAXL) {
     176               0 :                                         *d++ = '=';
     177               0 :                                         *d++ = '\015';
     178               0 :                                         *d++ = '\012';
     179               0 :                                         lp = 1;
     180                 :                                 }
     181             118 :                                 *d++ = c;
     182                 :                         }
     183                 :                 }
     184                 :         }
     185               5 :         *d = '\0';
     186               5 :         *ret_length = d - ret;
     187                 : 
     188               5 :         ret = erealloc(ret, *ret_length + 1);
     189               5 :         return ret;
     190                 : }
     191                 : /* }}} */
     192                 : 
     193                 : /*
     194                 : *
     195                 : * Decoding  Quoted-printable string.
     196                 : *
     197                 : */
     198                 : /* {{{ proto binary quoted_printable_decode(string str) U
     199                 :    Convert a quoted-printable string to an 8 bit string */
     200                 : PHP_FUNCTION(quoted_printable_decode)
     201              31 : {
     202                 :         char *str_in, *str_out;
     203                 :         int str_in_len;
     204              31 :         int i = 0, j = 0, k;
     205                 : 
     206              31 :         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s&", &str_in, &str_in_len, UG(ascii_conv)) == FAILURE) {
     207               8 :                 return;
     208                 :         }
     209                 :     
     210              23 :         if (str_in_len == 0) {
     211                 :                 /* shortcut */
     212               8 :                 RETURN_EMPTY_STRING();
     213                 :         }
     214                 : 
     215              15 :         str_out = emalloc(str_in_len + 1);
     216            1894 :         while (str_in[i]) {
     217            1864 :                 switch (str_in[i]) {
     218                 :                 case '=':
     219            3325 :                         if (str_in[i + 1] && str_in[i + 2] && 
     220                 :                                 isxdigit((int) str_in[i + 1]) && 
     221                 :                                 isxdigit((int) str_in[i + 2]))
     222                 :                         {
     223            1628 :                                 str_out[j++] = (php_hex2int((int) str_in[i + 1]) << 4) 
     224                 :                                                 + php_hex2int((int) str_in[i + 2]);
     225            1628 :                                 i += 3;
     226                 :                         } else  /* check for soft line break according to RFC 2045*/ {
     227              69 :                                 k = 1;
     228             151 :                                 while (str_in[i + k] && ((str_in[i + k] == 32) || (str_in[i + k] == 9))) {
     229                 :                                         /* Possibly, skip spaces/tabs at the end of line */
     230              13 :                                         k++;
     231                 :                                 }
     232              69 :                                 if (!str_in[i + k]) {
     233                 :                                         /* End of line reached */
     234               0 :                                         i += k;
     235                 :                                 }
     236             134 :                                 else if ((str_in[i + k] == 13) && (str_in[i + k + 1] == 10)) {
     237                 :                                         /* CRLF */
     238              65 :                                         i += k + 2;
     239                 :                                 }
     240               8 :                                 else if ((str_in[i + k] == 13) || (str_in[i + k] == 10)) {
     241                 :                                         /* CR or LF */
     242               4 :                                         i += k + 1;
     243                 :                                 }
     244                 :                                 else {
     245               0 :                                         str_out[j++] = str_in[i++];
     246                 :                                 }
     247                 :                         }
     248            1697 :                         break;
     249                 :                 default:
     250             167 :                         str_out[j++] = str_in[i++];
     251                 :                 }
     252                 :         }
     253              15 :         str_out[j] = '\0';
     254                 :     
     255              15 :         RETVAL_STRINGL(str_out, j, 0);
     256                 : }
     257                 : /* }}} */
     258                 : 
     259                 : /* {{{ proto string quoted_printable_encode(string str) U */
     260                 : PHP_FUNCTION(quoted_printable_encode)
     261              11 : {
     262                 :         char *str, *new_str;
     263                 :         int str_len;
     264                 :         size_t new_str_len;
     265                 : 
     266              11 :         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &str, &str_len) != SUCCESS) {
     267               3 :                 return;
     268                 :         }
     269                 : 
     270               8 :         if (!str_len) {
     271               3 :                 RETURN_EMPTY_STRING();
     272                 :         }
     273                 : 
     274               5 :         new_str = (char *)php_quot_print_encode((unsigned char *)str, (size_t)str_len, &new_str_len);
     275               5 :         RETURN_STRINGL(new_str, new_str_len, 0);
     276                 : }
     277                 : /* }}} */
     278                 : 
     279                 : /*
     280                 :  * Local variables:
     281                 :  * tab-width: 4
     282                 :  * c-basic-offset: 4
     283                 :  * End:
     284                 :  * vim600: sw=4 ts=4 fdm=marker
     285                 :  * vim<600: sw=4 ts=4
     286                 :  */

Generated by: LTP GCOV extension version 1.5

Generated at Mon, 23 Nov 2009 17:39:40 +0000 (33 hours ago)

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All rights reserved.