lib/gnutls_str.h

   1 /*
   2  * Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008, 2009,
   3  * 2010 Free Software Foundation, Inc.
   4  *
   5  * Author: Nikos Mavrogiannopoulos
   6  *
   7  * This file is part of GNUTLS.
   8  *
   9  * The GNUTLS library is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU Lesser General Public License
  11  * as published by the Free Software Foundation; either version 2.1 of
  12  * the License, or (at your option) any later version.
  13  *
  14  * This library is distributed in the hope that it will be useful, but
  15  * WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  * Lesser General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Lesser General Public
  20  * License along with this library; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  22  * USA
  23  *
  24  */
  25
  26 #ifndef GNUTLS_STR_H
  27 # define GNUTLS_STR_H
  28
  29 #include <gnutls_int.h>
  30
  31 void _gnutls_str_cpy (char *dest, size_t dest_tot_size, const char *src);
  32 void _gnutls_mem_cpy (char *dest, size_t dest_tot_size, const char *src,
  33                       size_t src_size);
  34 void _gnutls_str_cat (char *dest, size_t dest_tot_size, const char *src);
  35
  36 typedef struct
  37 {
  38   opaque *allocd; /* pointer to allocated data */
  39   opaque *data; /* API: pointer to data to copy from */
  40   size_t max_length;
  41   size_t length; /* API: current length */
  42   gnutls_realloc_function realloc_func;
  43   gnutls_alloc_function alloc_func;
  44   gnutls_free_function free_func;
  45 } gnutls_string;
  46
  47 void _gnutls_string_init (gnutls_string *, gnutls_alloc_function,
  48                           gnutls_realloc_function, gnutls_free_function);
  49 void _gnutls_string_clear (gnutls_string *);
  50 int _gnutls_string_resize (gnutls_string *, size_t new_size);
  51
  52 int _gnutls_string_append_str (gnutls_string *, const char *str);
  53 int _gnutls_string_append_data (gnutls_string *, const void *data,
  54                                 size_t data_size);
  55
  56 void _gnutls_string_get_data( gnutls_string *, void*, size_t *size);
  57 void _gnutls_string_get_datum( gnutls_string *, gnutls_datum_t *, size_t max_size);
  58
  59 #ifndef __attribute__
  60 /* This feature is available in gcc versions 2.5 and later.  */
  61 # if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5)
  62 #  define __attribute__(Spec)   /* empty */
  63 # endif
  64 #endif
  65
  66 int _gnutls_string_append_printf (gnutls_string * dest, const char *fmt, ...)
  67   __attribute__ ((format (printf, 2, 3)));
  68
  69 typedef gnutls_string gnutls_buffer;
  70
  71 #define _gnutls_buffer_init(buf) _gnutls_string_init(buf, gnutls_malloc, gnutls_realloc, gnutls_free);
  72 #define _gnutls_buffer_clear _gnutls_string_clear
  73 #define _gnutls_buffer_append _gnutls_string_append_data
  74 #define _gnutls_buffer_get_datum _gnutls_string_get_datum
  75 #define _gnutls_buffer_get_data _gnutls_string_get_data
  76 #define _gnutls_buffer_resize _gnutls_string_resize
  77
  78 char *_gnutls_bin2hex (const void *old, size_t oldlen, char *buffer,
  79                        size_t buffer_size);
  80 int _gnutls_hex2bin (const opaque * hex_data, int hex_size, opaque * bin_data,
  81                      size_t * bin_size);
  82
  83 int _gnutls_hostname_compare (const char *certname, size_t certnamesize, const char *hostname);
  84 #define MAX_CN 256
  85
  86 #endif