lib/gnutls_errors.h

   1 /*
   2  * Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2008, 2009, 2010
   3  * Free Software Foundation, Inc.
   4  *
   5  * Author: Nikos Mavrogiannopoulos
   6  *
   7  * This file is part of GnuTLS.
   8  *
   9  * The GnuTLS 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_ERRORS_H
  27 #define GNUTLS_ERRORS_H
  28
  29 #include <gnutls_int.h>
  30 #include <gnutls_global.h>
  31
  32 #define GNUTLS_E_INT_RET_0 -1251
  33
  34 #ifdef __FILE__
  35 #ifdef __LINE__
  36 #define gnutls_assert() _gnutls_debug_log( "ASSERT: %s:%d\n", __FILE__,__LINE__);
  37 #else
  38 #define gnutls_assert()
  39 #endif
  40 #else /* __FILE__ not defined */
  41 #define gnutls_assert()
  42 #endif
  43
  44 int _gnutls_asn2err (int asn_err);
  45 void
  46 _gnutls_log (int, const char *fmt, ...)
  47 #ifdef __GNUC__
  48   __attribute__ ((format (printf, 2, 3)));
  49 #else
  50  ;
  51 #endif
  52
  53      void _gnutls_mpi_log (const char *prefix, bigint_t a);
  54
  55 #ifdef C99_MACROS
  56 #define LEVEL(l, ...) do { if (_gnutls_log_level >= l || _gnutls_log_level > 9) \
  57       _gnutls_log( l, __VA_ARGS__); } while(0)
  58
  59 #define LEVEL_EQ(l, ...) do { if (_gnutls_log_level == l || _gnutls_log_level > 9) \
  60       _gnutls_log( l, __VA_ARGS__); } while(0)
  61
  62 #define _gnutls_debug_log(...) LEVEL(2, __VA_ARGS__)
  63 #define _gnutls_handshake_log(...) LEVEL(3, __VA_ARGS__)
  64 #define _gnutls_io_log(...) LEVEL_EQ(5, __VA_ARGS__)
  65 #define _gnutls_buffers_log(...) LEVEL_EQ(6, __VA_ARGS__)
  66 #define _gnutls_hard_log(...) LEVEL(9, __VA_ARGS__)
  67 #define _gnutls_record_log(...) LEVEL(4, __VA_ARGS__)
  68 #define _gnutls_read_log(...) LEVEL_EQ(7, __VA_ARGS__)
  69 #define _gnutls_write_log(...) LEVEL_EQ(7, __VA_ARGS__)
  70 #define _gnutls_x509_log(...) LEVEL(1, __VA_ARGS__)
  71 #else
  72 #define _gnutls_debug_log _gnutls_null_log
  73 #define _gnutls_handshake_log _gnutls_null_log
  74 #define _gnutls_io_log _gnutls_null_log
  75 #define _gnutls_buffers_log _gnutls_null_log
  76 #define _gnutls_hard_log _gnutls_null_log
  77 #define _gnutls_record_log _gnutls_null_log
  78 #define _gnutls_read_log _gnutls_null_log
  79 #define _gnutls_write_log _gnutls_null_log
  80 #define _gnutls_x509_log _gnutls_null_log
  81
  82      void _gnutls_null_log (void *, ...);
  83
  84 #endif /* C99_MACROS */
  85
  86 /* GCC won't inline this by itself and results in a "fatal warning"
  87    otherwise. Making this a macro has been tried, but it interacts
  88    badly with the do..while in the expansion. Welcome to the dark
  89    side. */
  90      static inline
  91 #ifdef __GNUC__
  92        __attribute__ ((always_inline))
  93 #endif
  94      int gnutls_assert_val_int (int val, const char *file, int line)
  95 {
  96   _gnutls_debug_log ("ASSERT: %s:%d\n", file, line);
  97   return val;
  98 }
  99
 100 #define gnutls_assert_val(x) gnutls_assert_val_int(x, __FILE__, __LINE__)
 101
 102 #endif /* GNUTLS_ERRORS_H */