macros.h

   1 /*
   2  * Copyright (c) 2017, S. Gilles <sgilles@math.umd.edu>
   3  *
   4  * Permission to use, copy, modify, and/or distribute this software
   5  * for any purpose with or without fee is hereby granted, provided
   6  * that the above copyright notice and this permission notice appear
   7  * in all copies.
   8  *
   9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
  10  * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
  11  * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
  12  * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR
  13  * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
  14  * OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
  15  * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
  16  * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  17  */
  18 #define UNUSED(x) (void) (sizeof(x))
  19
  20 #define STR2(x) #x
  21 #define STR(x) STR2(x)
  22 #define L(x) __FILE__ ":" STR(__LINE__) ": " x
  23
  24 #define NUM_OF(x) (sizeof(x) / sizeof((x)[0]))
  25
  26 #define PERROR_MESSAGE(x) perror(L(x))
  27 #define ERROR_MESSAGE(...) \
  28         do { \
  29                 fprintf(stderr, "tlock: ERROR: " __FILE__ ":" STR( \
  30                                 __LINE__) ": " __VA_ARGS__); \
  31                 fprintf(stderr, "\n"); \
  32         } while (0)
  33
  34 #ifdef WRITE_LOGS
  35 #define LOG(...) \
  36         do { \
  37                 fprintf(stderr, "tlock: %-25s", "LOG: " __FILE__ ":" STR( \
  38                                 __LINE__) ":"); \
  39                 fprintf(stderr, __VA_ARGS__); \
  40                 fprintf(stderr, "\n"); \
  41         } while (0)
  42 #else
  43 #define LOG(...)
  44 #endif
  45
  46 #define UBSAFES(x) ((x) ? (x) : "[None]")