minimal.h

   1 #define _assert(expr) \
   2     do if (!(expr)) { \
   3         fprintf(stderr, "%s(%u): _assert(%u:%s)\n", __FILE__, __LINE__, errno, #expr); \
   4         exit(1); \
   5     } while (false)
   6
   7 #define _syscall(expr) \
   8     do if ((long) (expr) != -1) \
   9         break; \
  10     else switch (errno) { \
  11         case EINTR: \
  12             continue; \
  13         default: \
  14             _assert(false); \
  15     } while (true)
  16
  17 #define _forever \
  18     for (;;)
  19
  20 #define _trace() \
  21     printf("_trace(%s:%u)\n", __FILE__, __LINE__)
  22
  23 #define _not(type) \
  24     ((type) ~ (type) 0)
  25
  26 #include <stdio.h>
  27 #include <stdbool.h>
  28 #include <stdlib.h>
  29 #include <stdint.h>