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lib: Add timeval_str_buf

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Similarly to server_id_str_buf it does not do any allocation

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
This commit is contained in:
Volker Lendecke 2014-07-29 14:43:39 +00:00 committed by Michael Adam
parent 9026820e5c
commit 2aa1492c7b
2 changed files with 51 additions and 0 deletions
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39
lib/util/time.c
View File

@ -342,6 +342,45 @@ _PUBLIC_ time_t pull_dos_date3(const uint8_t *date_ptr, int zone_offset)
}
char *timeval_str_buf(const struct timeval *tp, bool hires,
struct timeval_buf *dst)
{
time_t t;
struct tm *tm;
size_t len;
t = (time_t)tp->tv_sec;
tm = localtime(&t);
if (tm == NULL) {
if (hires) {
snprintf(dst->buf, sizeof(dst->buf),
"%ld.%06ld seconds since the Epoch",
(long)tp->tv_sec, (long)tp->tv_usec);
} else {
snprintf(dst->buf, sizeof(dst->buf),
"%ld seconds since the Epoch", (long)t);
}
return dst->buf;
}
#ifdef HAVE_STRFTIME
len = strftime(dst->buf, sizeof(dst->buf), "%Y/%m/%d %H:%M:%S", tm);
#else
{
const char *asct = asctime(tm);
len = strlcpy(dst->buf, sizeof(dst->buf),
asct ? asct : "unknown");
}
#endif
if (hires && (len < sizeof(dst->buf))) {
snprintf(dst->buf + len, sizeof(dst->buf) - len,
".%06ld", (long)tp->tv_usec);
}
return dst->buf;
}
/****************************************************************************
Return the date and time as a string
****************************************************************************/

12
lib/util/time.h
View File

@ -119,6 +119,18 @@ time_t pull_dos_date2(const uint8_t *date_ptr, int zone_offset);
**/
time_t pull_dos_date3(const uint8_t *date_ptr, int zone_offset);
struct timeval_buf { char buf[128]; };
/**
Put a date and time into dst->buf, return it dst->buf
(optionally with microseconds)
format is %Y/%m/%d %H:%M:%S if strftime is available
**/
char *timeval_str_buf(const struct timeval *tp, bool hires,
struct timeval_buf *dst);
/**
Return a date and time as a string (optionally with microseconds)