diff options
author | kpfleming <kpfleming@f38db490-d61c-443f-a65b-d21fe96a405b> | 2005-06-09 14:39:34 +0000 |
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committer | kpfleming <kpfleming@f38db490-d61c-443f-a65b-d21fe96a405b> | 2005-06-09 14:39:34 +0000 |
commit | 54c8bb2a71a8115d4076d94f54ce0d5dba02603e (patch) | |
tree | 63859a8a4348b4a0ac78e2f5e78deac39117daf5 /include/asterisk/utils.h | |
parent | ec67bfa81ece4d0111d53887f8d69d45cd771d49 (diff) |
move timeval-diff function into utils.h from app_alarmreceiver.c
git-svn-id: http://svn.digium.com/svn/asterisk/trunk@5882 f38db490-d61c-443f-a65b-d21fe96a405b
Diffstat (limited to 'include/asterisk/utils.h')
-rwxr-xr-x | include/asterisk/utils.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/asterisk/utils.h b/include/asterisk/utils.h index 5b2001a6d..9fb0b83cd 100755 --- a/include/asterisk/utils.h +++ b/include/asterisk/utils.h @@ -247,4 +247,17 @@ void ast_copy_string(char *dst, const char *src, size_t size); */ int ast_build_string(char **buffer, size_t *space, const char *fmt, ...) __attribute__ ((format (printf, 3, 4))); +/* functions for working with 'struct timeval' instances */ + +/*! + * \brief Computes the difference (in milliseconds) between two \c struct \c timeval instances. + * \param start the beginning of the time period + * \param end the end of the time period + * \return the difference in milliseconds + */ +static inline int ast_tvdiff_ms(struct timeval *start, struct timeval *end) +{ + return ((end->tv_sec - start->tv_sec) * 1000) + ((end->tv_usec - start->tv_usec) / 1000); +} + #endif /* _ASTERISK_UTILS_H */ |