src/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/types.h>
  10
  11 #define INVALID_TIME_TEXT       "(invalid)"
  12
  13 /* safe localtime formatting - strftime()-using version */
  14 #define FMT_LOCALTIME(buffer, bufsize, fmt, when)                       \
  15     {                                                                   \
  16         struct tm *whentm;                                              \
  17         whentm = localtime(&when);                                      \
  18         if (whentm == NULL)                                             \
  19         {                                                               \
  20             strncpy(buffer, INVALID_TIME_TEXT, bufsize);                \
  21             buffer[bufsize-1] = 0;                                      \
  22         }                                                               \
  23         else                                                            \
  24         {                                                               \
  25             strftime(buffer, bufsize, fmt, whentm);                     \
  26         }                                                               \
  27     }                                                                   \
  28
  29 #define FMT_LOCALTIME_CURRENT(buffer, bufsize, fmt)             \
  30     {                                                           \
  31         time_t __current_time;                                  \
  32         time(&__current_time);                                  \
  33         FMT_LOCALTIME(buffer,bufsize,fmt,__current_time);       \
  34     }
  35
  36 #endif                          /* !__UTIL_H */