mcy
/
owlps
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

[lib] Add timestamp_to_string()

This commit is contained in:
Matteo Cypriani 2011-03-15 13:50:00 +01:00
parent d0b15bf978
commit 788a61a712
2 changed files with 17 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
libowlps/libowlps.c
View File

@ -15,7 +15,7 @@ BOOL run = TRUE ;
/*
* Converts a MAC address from bytes to string.
* /!\ You *must* manually free the returned string /!\
* /!\ You *must* manually free the returned string. /!\
*/
char* owl_mac_bytes_to_string(uint8_t *mac_binary)
{
@ -147,6 +147,19 @@ uint64_t owl_timestamp_to_ms(TIMESTAMP d)
/*
* Converts a TIMESTAMP date value into a printable string.
* 'dst' must be an allocated array of at least TIMESTAMP_STR_LEN
* characters.
*/
void owl_timestamp_to_string(char *dst, TIMESTAMP src)
{
snprintf(dst, TIMESTAMP_STR_LEN, "%"PRIu32".%"PRIu32,
src.tv_sec, src.tv_nsec) ;
}
/*
* Returns the time (in milliseconds) between two dates.
*/

3
libowlps/owlps.h
View File

@ -66,6 +66,8 @@ typedef struct _TIMESTAMP
uint32_t tv_sec ;
uint32_t tv_nsec ;
} TIMESTAMP ;
// Length of a TIMESTAMP when converted to string:
#define TIMESTAMP_STR_LEN 22 // 22 = 10 digits, '.', 10 digits, '\0'
/* Message sent by the listener to the aggregator */
@ -230,6 +232,7 @@ uint_fast8_t owl_frequency_to_channel(uint_fast16_t channel) ;
int owl_timestamp_now(TIMESTAMP *now) ;
TIMESTAMP owl_timespec_to_timestamp(const struct timespec d) ;
TIMESTAMP owl_timeval_to_timestamp(const struct timeval d) ;
void owl_timestamp_to_string(char *dst, TIMESTAMP src) ;
uint64_t owl_timestamp_to_ms(TIMESTAMP date) ;
uint_fast32_t owl_time_elapsed(TIMESTAMP sup, TIMESTAMP inf) ;
TIMESTAMP owl_hton_timestamp(TIMESTAMP date) ;