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/*
* Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008, 2009,
* 2010 Free Software Foundation, Inc.
*
* Author: Nikos Mavrogiannopoulos
*
* This file is part of GnuTLS.
*
* The GnuTLS is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA
*
*/
#ifndef GNUTLS_STR_H
#define GNUTLS_STR_H
#include <gnutls_int.h>
#include <gnutls_datum.h>
void _gnutls_str_cpy (char *dest, size_t dest_tot_size, const char *src);
void _gnutls_mem_cpy (char *dest, size_t dest_tot_size, const char *src,
size_t src_size);
void _gnutls_str_cat (char *dest, size_t dest_tot_size, const char *src);
typedef struct
{
opaque *allocd; /* pointer to allocated data */
opaque *data; /* API: pointer to data to copy from */
size_t max_length;
size_t length; /* API: current length */
} gnutls_buffer_st;
void _gnutls_buffer_init (gnutls_buffer_st *);
void _gnutls_buffer_clear (gnutls_buffer_st *);
int _gnutls_buffer_resize (gnutls_buffer_st *, size_t new_size);
int _gnutls_buffer_append_str (gnutls_buffer_st *, const char *str);
int _gnutls_buffer_append_data (gnutls_buffer_st *, const void *data,
size_t data_size);
#include <gnutls_num.h>
int _gnutls_buffer_append_prefix (gnutls_buffer_st * buf, size_t data_size);
int _gnutls_buffer_append_data_prefix (gnutls_buffer_st * buf,
const void *data, size_t data_size);
void _gnutls_buffer_pop_data (gnutls_buffer_st *, void *, size_t * size);
void _gnutls_buffer_pop_datum (gnutls_buffer_st *, gnutls_datum_t *,
size_t max_size);
int _gnutls_buffer_pop_prefix (gnutls_buffer_st * buf, size_t * data_size,
int check);
int _gnutls_buffer_pop_data_prefix (gnutls_buffer_st * buf, void *data,
size_t * data_size);
int _gnutls_buffer_pop_datum_prefix (gnutls_buffer_st * buf,
gnutls_datum_t * data);
int _gnutls_buffer_to_datum (gnutls_buffer_st * str, gnutls_datum_t * data);
int _gnutls_buffer_escape (gnutls_buffer_st * dest,
const char *const invalid_chars);
int _gnutls_buffer_unescape (gnutls_buffer_st * dest);
#ifndef __attribute__
/* This feature is available in gcc versions 2.5 and later. */
#if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5)
#define __attribute__(Spec) /* empty */
#endif
#endif
int _gnutls_buffer_append_printf (gnutls_buffer_st * dest, const char *fmt,
...)
__attribute__ ((format (printf, 2, 3)));
char *_gnutls_bin2hex (const void *old, size_t oldlen, char *buffer,
size_t buffer_size, const char *separator);
int _gnutls_hex2bin (const opaque * hex_data, int hex_size, opaque * bin_data,
size_t * bin_size);
int _gnutls_hostname_compare (const char *certname, size_t certnamesize,
const char *hostname);
#define MAX_CN 256
#define BUFFER_APPEND(b, x, s) { \
ret = _gnutls_buffer_append_data(b, x, s); \
if (ret < 0) { \
gnutls_assert(); \
return ret; \
} \
}
#define BUFFER_APPEND_PFX(b, x, s) { \
ret = _gnutls_buffer_append_data_prefix(b, x, s); \
if (ret < 0) { \
gnutls_assert(); \
return ret; \
} \
}
#define BUFFER_APPEND_NUM(b, s) { \
ret = _gnutls_buffer_append_prefix(b, s); \
if (ret < 0) { \
gnutls_assert(); \
return ret; \
} \
}
#define BUFFER_POP(b, x, s) { \
size_t is = s; \
_gnutls_buffer_pop_data(b, x, &is); \
if (is != s) { \
ret = GNUTLS_E_PARSING_ERROR; \
gnutls_assert(); \
goto error; \
} \
}
#define BUFFER_POP_DATUM(b, o) { \
gnutls_datum_t d; \
ret = _gnutls_buffer_pop_datum_prefix(b, &d); \
if (ret >= 0) \
ret = _gnutls_set_datum (o, d.data, d.size); \
if (ret < 0) { \
gnutls_assert(); \
goto error; \
} \
}
#define BUFFER_POP_NUM(b, o) { \
size_t s; \
ret = _gnutls_buffer_pop_prefix(b, &s, 0); \
if (ret < 0) { \
gnutls_assert(); \
goto error; \
} \
o = s; \
}
#endif
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