common.h

   1 /** @file common.h
   2  *  @brief General purpose macros.
   3  */
   4
   5 #ifndef __COMMON_H__
   6 #define __COMMON_H__
   7
   8 #include <stdio.h>
   9 #include <unistd.h>
  10 #include "config.h"
  11 #include "printf.h"
  12
  13 extern int model_out;
  14 extern int switch_alloc;
  15
  16 #define model_print(fmt, ...) do { \
  17     switch_alloc = 1;              \
  18     char mprintbuf[256];                                                \
  19     int printbuflen=snprintf_(mprintbuf, 256, fmt, ## __VA_ARGS__);     \
  20     int lenleft = printbuflen < 256 ?printbuflen:256;                   \
  21     int totalwritten = 0;\
  22     while(lenleft) {                                                    \
  23       int byteswritten=write(model_out, &mprintbuf[totalwritten], lenleft);\
  24       lenleft-=byteswritten;                                            \
  25       totalwritten+=byteswritten;                                       \
  26     }                                                                   \
  27     switch_alloc = 0;                                                   \
  28   } while (0)
  29
  30 #ifdef CONFIG_DEBUG
  31 #define DEBUG(fmt, ...) do { model_print("*** %15s:%-4d %25s() *** " fmt, __FILE__, __LINE__, __func__, ## __VA_ARGS__); } while (0)
  32 #define DBG() DEBUG("\n")
  33 #define DBG_ENABLED() (1)
  34 #else
  35 #define DEBUG(fmt, ...)
  36 #define DBG()
  37 #define DBG_ENABLED() (0)
  38 #endif
  39
  40 void assert_hook(void);
  41
  42 #ifdef CONFIG_ASSERT
  43 #define ASSERT(expr) \
  44         do { \
  45                 if (!(expr)) { \
  46                         fprintf(stderr, "Error: assertion failed in %s at line %d\n", __FILE__, __LINE__); \
  47                         /* print_trace(); // Trace printing may cause dynamic memory allocation */ \
  48                         assert_hook();                           \
  49                         _Exit(EXIT_FAILURE); \
  50                 } \
  51         } while (0)
  52 #else
  53 #define ASSERT(expr) \
  54         do { } while (0)
  55 #endif  /* CONFIG_ASSERT */
  56
  57 #define error_msg(...) fprintf(stderr, "Error: " __VA_ARGS__)
  58
  59 void print_trace(void);
  60 #endif  /* __COMMON_H__ */