lib/gnutls_errors.h

   1 /*
   2  * Copyright (C) 2000-2012 Free Software Foundation, Inc.
   3  *
   4  * Author: Nikos Mavrogiannopoulos
   5  *
   6  * This file is part of GnuTLS.
   7  *
   8  * The GnuTLS is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public License
  10  * as published by the Free Software Foundation; either version 3 of
  11  * the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful, but
  14  * WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public License
  19  * along with this program.  If not, see <http://www.gnu.org/licenses/>
  20  *
  21  */
  22
  23 #ifndef GNUTLS_ERRORS_H
  24 #define GNUTLS_ERRORS_H
  25
  26 #include <gnutls_int.h>
  27 #include <gnutls_global.h>
  28
  29 #define GNUTLS_E_INT_RET_0 -1251
  30
  31 #ifdef __FILE__
  32 #ifdef __LINE__
  33 #define gnutls_assert() _gnutls_debug_log( "ASSERT: %s:%d\n", __FILE__,__LINE__);
  34 #else
  35 #define gnutls_assert()
  36 #endif
  37 #else /* __FILE__ not defined */
  38 #define gnutls_assert()
  39 #endif
  40
  41 int _gnutls_asn2err (int asn_err);
  42 void
  43 _gnutls_log (int, const char *fmt, ...)
  44 #ifdef __GNUC__
  45   __attribute__ ((format (printf, 2, 3)));
  46 #else
  47  ;
  48 #endif
  49
  50 void
  51 _gnutls_audit_log (gnutls_session_t, const char *fmt, ...)
  52 #ifdef __GNUC__
  53   __attribute__ ((format (printf, 2, 3)));
  54 #else
  55  ;
  56 #endif
  57
  58 void _gnutls_mpi_log (const char *prefix, bigint_t a);
  59
  60 #ifdef C99_MACROS
  61 #define LEVEL(l, ...) do { if (unlikely(_gnutls_log_level >= l)) \
  62       _gnutls_log( l, __VA_ARGS__); } while(0)
  63
  64 #define LEVEL_EQ(l, ...) do { if (unlikely(_gnutls_log_level == l || _gnutls_log_level > 9)) \
  65       _gnutls_log( l, __VA_ARGS__); } while(0)
  66
  67 #define _gnutls_debug_log(...) LEVEL(2, __VA_ARGS__)
  68 #define _gnutls_handshake_log(...) LEVEL(3, __VA_ARGS__)
  69 #define _gnutls_io_log(...) LEVEL_EQ(5, __VA_ARGS__)
  70 #define _gnutls_buffers_log(...) LEVEL_EQ(6, __VA_ARGS__)
  71 #define _gnutls_hard_log(...) LEVEL(9, __VA_ARGS__)
  72 #define _gnutls_record_log(...) LEVEL(4, __VA_ARGS__)
  73 #define _gnutls_dtls_log(...) LEVEL(6, __VA_ARGS__)
  74 #define _gnutls_read_log(...) LEVEL_EQ(7, __VA_ARGS__)
  75 #define _gnutls_write_log(...) LEVEL_EQ(7, __VA_ARGS__)
  76 #else
  77 #define _gnutls_debug_log _gnutls_null_log
  78 #define _gnutls_handshake_log _gnutls_null_log
  79 #define _gnutls_io_log _gnutls_null_log
  80 #define _gnutls_buffers_log _gnutls_null_log
  81 #define _gnutls_hard_log _gnutls_null_log
  82 #define _gnutls_record_log _gnutls_null_log
  83 #define _gnutls_dtls_log _gnutls_null_log
  84 #define _gnutls_read_log _gnutls_null_log
  85 #define _gnutls_write_log _gnutls_null_log
  86
  87 void _gnutls_null_log (void *, ...);
  88
  89 #endif /* C99_MACROS */
  90
  91 /* GCC won't inline this by itself and results in a "fatal warning"
  92    otherwise. Making this a macro has been tried, but it interacts
  93    badly with the do..while in the expansion. Welcome to the dark
  94    side. */
  95 static inline
  96 #ifdef __GNUC__
  97        __attribute__ ((always_inline))
  98 #endif
  99 int gnutls_assert_val_int (int val, const char *file, int line)
 100 {
 101   _gnutls_debug_log ("ASSERT: %s:%d\n", file, line);
 102   return val;
 103 }
 104
 105 #define gnutls_assert_val(x) gnutls_assert_val_int(x, __FILE__, __LINE__)
 106 #define gnutls_assert_val_fatal(x) (((x)!=GNUTLS_E_AGAIN && (x)!=GNUTLS_E_INTERRUPTED)?gnutls_assert_val_int(x, __FILE__, __LINE__):(x))
 107
 108 #endif /* GNUTLS_ERRORS_H */