lib/timefmt.h

   1
   2 /** \file timefmt.h
   3  *  \brief Header: time formating macroses
   4  */
   5
   6 #ifndef __UTIL_TIMEFMT_H
   7 #define __UTIL_TIMEFMT_H
   8
   9 #include <sys/time.h>
  10 #include <sys/types.h>
  11
  12 #define INVALID_TIME_TEXT       "(invalid)"
  13
  14 /* safe localtime formatting - strftime()-using version */
  15 #define FMT_LOCALTIME(buffer, bufsize, fmt, when)                       \
  16     {                                                                   \
  17         struct tm *whentm;                                              \
  18         whentm = localtime(&when);                                      \
  19         if (whentm == NULL)                                             \
  20         {                                                               \
  21             strncpy(buffer, INVALID_TIME_TEXT, bufsize);                \
  22             buffer[bufsize-1] = 0;                                      \
  23         }                                                               \
  24         else                                                            \
  25         {                                                               \
  26             strftime(buffer, bufsize, fmt, whentm);                     \
  27         }                                                               \
  28     }                                                                   \
  29
  30 #define FMT_LOCALTIME_CURRENT(buffer, bufsize, fmt)             \
  31     {                                                           \
  32         time_t __current_time;                                  \
  33         time(&__current_time);                                  \
  34         FMT_LOCALTIME(buffer,bufsize,fmt,__current_time);       \
  35     }
  36
  37 #endif                          /* !__UTIL_H */