util.h

   1 #ifndef _UTIL_H
   2 #define _UTIL_H
   3
   4 #define LENGTH(vars)    (sizeof(vars) / sizeof(vars[0]))
   5 #define ARRAY_SIZE(a)   (sizeof(a) / sizeof((a)[0]))
   6 #ifndef MIN
   7 #define MIN(a, b)       ((a) < (b) ? (a) : (b))
   8 #define MAX(a, b)       ((a) > (b) ? (a) : (b))
   9 #endif
  10
  11 void *xmalloc(size_t size);
  12 void *xerror(char *errmsg);
  13
  14 #endif