logging.h

   1 #ifndef MODINITTOOLS_LOGGING_H
   2 #define MODINITTOOLS_LOGGING_H
   3
   4 /* Do we use syslog for messages or stderr? */
   5 extern int logging;
   6
   7 /* Number of times warn() has been called */
   8 extern int warned;
   9
  10 extern void fatal(const char *fmt, ...);
  11 extern void warn(const char *fmt, ...);
  12
  13 #define NOFAIL(ptr)  do_nofail((ptr), __FILE__, __LINE__, #ptr)
  14
  15 #define nofail_asprintf(ptr, ...) \
  16         { if (asprintf((ptr), __VA_ARGS__) < 0) do_nofail(NULL, __FILE__, __LINE__, #ptr); }
  17
  18 static inline void *do_nofail(void *ptr, const char *file, int line, const char *expr)
  19 {
  20         if (!ptr) {
  21                 fatal("Memory allocation failure %s line %d: %s.\n",
  22                       file, line, expr);
  23         }
  24         return ptr;
  25 }
  26
  27 #endif /* MODINITTOOLS_LOGGING_H */