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/*
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* Copyright (C) 2000-2012 Free Software Foundation, Inc.
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*
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* Author: Nikos Mavrogiannopoulos
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*
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* This file is part of GnuTLS.
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*
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* The GnuTLS is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation; either version 2.1 of
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* the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>
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*
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*/
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#ifndef GNUTLS_STR_H
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#define GNUTLS_STR_H
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#include <config.h>
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#include "gnutls_int.h"
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#include "errors.h"
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#include <datum.h>
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#include <c-ctype.h>
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#include "errors.h"
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#ifdef HAVE_DCGETTEXT
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# include "gettext.h"
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# define _(String) dgettext (PACKAGE, String)
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# define N_(String) gettext_noop (String)
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#else
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# define _(String) String
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# define N_(String) String
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#endif
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int gnutls_utf8_password_normalize(const uint8_t *password, unsigned password_len,
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gnutls_datum_t *out, unsigned flags);
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#define _gnutls_utf8_password_normalize(p, plen, out, ignore_errs) \
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gnutls_utf8_password_normalize((unsigned char*)p, plen, out, \
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ignore_errs?(GNUTLS_UTF8_IGNORE_ERRS):0)
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int _gnutls_idna_email_map(const char *input, unsigned ilen, gnutls_datum_t *output);
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int _gnutls_idna_email_reverse_map(const char *input, unsigned ilen, gnutls_datum_t *output);
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inline static unsigned _gnutls_str_is_print(const char *str, unsigned size)
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{
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unsigned i;
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for (i=0;i
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if (!c_isprint(str[i]))
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return 0;
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}
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return 1;
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}
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inline static unsigned _gnutls_dnsname_is_valid(const char *str, unsigned size)
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{
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unsigned i;
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for (i=0;i
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if (!(c_isalnum(str[i]) || str[i] == '-' || str[i] == '.'))
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return 0;
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}
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return 1;
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}
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void _gnutls_str_cpy(char *dest, size_t dest_tot_size, const char *src);
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void _gnutls_str_cat(char *dest, size_t dest_tot_size, const char *src);
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typedef struct gnutls_buffer_st {
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uint8_t *allocd; /* pointer to allocated data */
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uint8_t *data; /* API: pointer to data to copy from */
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size_t max_length;
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size_t length; /* API: current length */
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} gnutls_buffer_st;
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/* Initialize a buffer */
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void _gnutls_buffer_init(gnutls_buffer_st *);
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/* Free the data in a buffer */
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void _gnutls_buffer_clear(gnutls_buffer_st *);
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/* Set the buffer data to be of zero length */
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inline static void _gnutls_buffer_reset(gnutls_buffer_st * buf)
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{
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buf->data = buf->allocd;
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buf->length = 0;
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}
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int _gnutls_buffer_resize(gnutls_buffer_st *, size_t new_size);
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int _gnutls_buffer_append_str(gnutls_buffer_st *, const char *str);
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#define _gnutls_buffer_append_data gnutls_buffer_append_data
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#include <num.h>
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void _gnutls_buffer_replace_data(gnutls_buffer_st * buf,
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gnutls_datum_t * data);
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int _gnutls_buffer_append_prefix(gnutls_buffer_st * buf, int pfx_size,
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size_t data_size);
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int _gnutls_buffer_append_mpi(gnutls_buffer_st * buf, int pfx_size,
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bigint_t, int lz);
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int _gnutls_buffer_append_data_prefix(gnutls_buffer_st * buf, int pfx_size,
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const void *data, size_t data_size);
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void _gnutls_buffer_pop_data(gnutls_buffer_st *, void *, size_t * size);
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void _gnutls_buffer_pop_datum(gnutls_buffer_st *, gnutls_datum_t *,
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size_t max_size);
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int _gnutls_buffer_pop_prefix(gnutls_buffer_st * buf, size_t * data_size,
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int check);
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int _gnutls_buffer_pop_datum_prefix(gnutls_buffer_st * buf,
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gnutls_datum_t * data);
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int _gnutls_buffer_to_datum(gnutls_buffer_st * str, gnutls_datum_t * data, unsigned is_str);
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int
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_gnutls_buffer_append_escape(gnutls_buffer_st * dest, const void *data,
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size_t data_size, const char *invalid_chars);
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int _gnutls_buffer_unescape(gnutls_buffer_st * dest);
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#ifndef __attribute__
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/* This feature is available in gcc versions 2.5 and later. */
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#if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5)
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#define __attribute__(Spec) /* empty */
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#endif
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#endif
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int _gnutls_buffer_append_printf(gnutls_buffer_st * dest, const char *fmt,
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...)
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__attribute__ ((format(printf, 2, 3)));
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void _gnutls_buffer_hexprint(gnutls_buffer_st * str,
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const void *data, size_t len);
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int _gnutls_buffer_base64print(gnutls_buffer_st * str,
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const void *data, size_t len);
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void _gnutls_buffer_hexdump(gnutls_buffer_st * str, const void *data,
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size_t len, const char *spc);
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void _gnutls_buffer_asciiprint(gnutls_buffer_st * str,
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const char *data, size_t len);
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char *_gnutls_bin2hex(const void *old, size_t oldlen, char *buffer,
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size_t buffer_size, const char *separator);
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int _gnutls_hex2bin(const char *hex_data, size_t hex_size,
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uint8_t * bin_data, size_t * bin_size);
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int _gnutls_hostname_compare(const char *certname, size_t certnamesize,
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const char *hostname, unsigned vflags);
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#define MAX_CN 256
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#define MAX_DN 1024
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#define BUFFER_APPEND(b, x, s) { \
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ret = _gnutls_buffer_append_data(b, x, s); \
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if (ret < 0) { \
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gnutls_assert(); \
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return ret; \
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} \
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}
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/* append data prefixed with 4-bytes length field*/
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#define BUFFER_APPEND_PFX4(b, x, s) { \
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ret = _gnutls_buffer_append_data_prefix(b, 32, x, s); \
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if (ret < 0) { \
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gnutls_assert(); \
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return ret; \
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} \
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}
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#define BUFFER_APPEND_PFX3(b, x, s) { \
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ret = _gnutls_buffer_append_data_prefix(b, 24, x, s); \
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if (ret < 0) { \
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gnutls_assert(); \
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return ret; \
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} \
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}
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#define BUFFER_APPEND_PFX2(b, x, s) { \
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ret = _gnutls_buffer_append_data_prefix(b, 16, x, s); \
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if (ret < 0) { \
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gnutls_assert(); \
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return ret; \
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} \
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}
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#define BUFFER_APPEND_PFX1(b, x, s) { \
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ret = _gnutls_buffer_append_data_prefix(b, 8, x, s); \
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if (ret < 0) { \
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gnutls_assert(); \
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return ret; \
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} \
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}
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#define BUFFER_APPEND_NUM(b, s) { \
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ret = _gnutls_buffer_append_prefix(b, 32, s); \
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if (ret < 0) { \
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gnutls_assert(); \
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return ret; \
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} \
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}
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#define BUFFER_POP(b, x, s) { \
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size_t is = s; \
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_gnutls_buffer_pop_data(b, x, &is); \
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if (is != s) { \
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ret = GNUTLS_E_PARSING_ERROR; \
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gnutls_assert(); \
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goto error; \
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} \
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}
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#define BUFFER_POP_DATUM(b, o) { \
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gnutls_datum_t d; \
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ret = _gnutls_buffer_pop_datum_prefix(b, &d); \
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if (ret >= 0) \
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ret = _gnutls_set_datum (o, d.data, d.size); \
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if (ret < 0) { \
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gnutls_assert(); \
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goto error; \
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} \
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}
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#define BUFFER_POP_NUM(b, o) { \
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size_t s; \
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ret = _gnutls_buffer_pop_prefix(b, &s, 0); \
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if (ret < 0) { \
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gnutls_assert(); \
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goto error; \
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} \
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o = s; \
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}
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#define BUFFER_POP_CAST_NUM(b, o) { \
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size_t s; \
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ret = _gnutls_buffer_pop_prefix(b, &s, 0); \
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if (ret < 0) { \
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gnutls_assert(); \
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goto error; \
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} \
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o = (void *) (intptr_t)(s); \
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}
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#endif
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