Line data    Source code

       1             : /* FreeTDS - Library of routines accessing Sybase and Microsoft databases
       2             :  * Copyright (C) 2005 Ziglio Frediano
       3             :  *
       4             :  * This library is free software; you can redistribute it and/or
       5             :  * modify it under the terms of the GNU Library General Public
       6             :  * License as published by the Free Software Foundation; either
       7             :  * version 2 of the License, or (at your option) any later version.
       8             :  *
       9             :  * This library is distributed in the hope that it will be useful,
      10             :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      11             :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      12             :  * Library General Public License for more details.
      13             :  *
      14             :  * You should have received a copy of the GNU Library General Public
      15             :  * License along with this library; if not, write to the
      16             :  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
      17             :  * Boston, MA 02111-1307, USA.
      18             :  */
      19             : 
      20             : #include <config.h>
      21             : 
      22             : #if HAVE_STRING_H
      23             : #include <string.h>
      24             : #endif /* HAVE_STRING_H */
      25             : 
      26             : #include <freetds/sysdep_private.h>
      27             : #include <freetds/replacements.h>
      28             : 
      29             : size_t 
      30         224 : tds_strlcat(char *dest, const char *src, size_t len)
      31             : {
      32         224 :         size_t dest_len = strlen(dest);
      33         224 :         size_t src_len = strlen(src);
      34             : 
      35         224 :         if (len) {
      36         216 :                 --len;
      37         216 :                 if (dest_len + src_len > len) {
      38          24 :                         if (len > dest_len) {
      39          16 :                                 memcpy(dest + dest_len, src, len - dest_len);
      40          16 :                                 dest[len] = 0;
      41             :                         }
      42             :                 } else {
      43         192 :                         memcpy(dest + dest_len, src, src_len + 1);
      44             :                 }
      45             :         }
      46         224 :         return dest_len + src_len;
      47             : }