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authorAlexander Kuleshov <kuleshovmail@gmail.com>2016-02-07 22:11:46 +0600
committerAlexander Kuleshov <kuleshovmail@gmail.com>2016-02-09 00:15:40 +0600
commit0056086af6bea38f0a485972c79428b1b3ab7b2a (patch)
tree4b30a2062c3046960b930774a44e26f0132b75bb /src/basic
parentef9fde5378c0b2614991f9e3c4ac525cc07736a8 (diff)
time-util: merge format_timestamp_internal() and format_timestamp_internal_us()
The time_util.c provides format_timestamp_internal() and format_timestamp_internal_us() functions for a timestamp formating. Both functions are very similar and differ only in formats handling. We can add additional boolean parameter to the format_timestamp_internal() function which will represent is a format for us timestamp or not. This allows us to get rid of format_timestamp_internal_us() that is prevent code duplication. We can remove format_timestamp_internal_us() safely, because it is static and has no users outside of the time_util.c. New fourth parameter will be passed inside of the format_timestamp(), format_timestamp_us() and etc, functions, but the public API is not changed.
Diffstat (limited to 'src/basic')
-rw-r--r--src/basic/time-util.c46
1 files changed, 18 insertions, 28 deletions
diff --git a/src/basic/time-util.c b/src/basic/time-util.c
index 293442cf0e..8c42df9b9f 100644
--- a/src/basic/time-util.c
+++ b/src/basic/time-util.c
@@ -206,9 +206,11 @@ struct timeval *timeval_store(struct timeval *tv, usec_t u) {
return tv;
}
-static char *format_timestamp_internal(char *buf, size_t l, usec_t t, bool utc) {
+static char *format_timestamp_internal(char *buf, size_t l, usec_t t,
+ bool utc, bool us) {
struct tm tm;
time_t sec;
+ int k;
assert(buf);
assert(l > 0);
@@ -219,48 +221,36 @@ static char *format_timestamp_internal(char *buf, size_t l, usec_t t, bool utc)
sec = (time_t) (t / USEC_PER_SEC);
localtime_or_gmtime_r(&sec, &tm, utc);
- if (strftime(buf, l, "%a %Y-%m-%d %H:%M:%S %Z", &tm) <= 0)
+ if (us)
+ k = strftime(buf, l, "%a %Y-%m-%d %H:%M:%S", &tm);
+ else
+ k = strftime(buf, l, "%a %Y-%m-%d %H:%M:%S %Z", &tm);
+
+ if (k <= 0)
return NULL;
+ if (us) {
+ snprintf(buf + strlen(buf), l - strlen(buf), ".%06llu", (unsigned long long) (t % USEC_PER_SEC));
+ if (strftime(buf + strlen(buf), l - strlen(buf), " %Z", &tm) <= 0)
+ return NULL;
+ }
return buf;
}
char *format_timestamp(char *buf, size_t l, usec_t t) {
- return format_timestamp_internal(buf, l, t, false);
+ return format_timestamp_internal(buf, l, t, false, false);
}
char *format_timestamp_utc(char *buf, size_t l, usec_t t) {
- return format_timestamp_internal(buf, l, t, true);
-}
-
-static char *format_timestamp_internal_us(char *buf, size_t l, usec_t t, bool utc) {
- struct tm tm;
- time_t sec;
-
- assert(buf);
- assert(l > 0);
-
- if (t <= 0 || t == USEC_INFINITY)
- return NULL;
-
- sec = (time_t) (t / USEC_PER_SEC);
- localtime_or_gmtime_r(&sec, &tm, utc);
-
- if (strftime(buf, l, "%a %Y-%m-%d %H:%M:%S", &tm) <= 0)
- return NULL;
- snprintf(buf + strlen(buf), l - strlen(buf), ".%06llu", (unsigned long long) (t % USEC_PER_SEC));
- if (strftime(buf + strlen(buf), l - strlen(buf), " %Z", &tm) <= 0)
- return NULL;
-
- return buf;
+ return format_timestamp_internal(buf, l, t, true, false);
}
char *format_timestamp_us(char *buf, size_t l, usec_t t) {
- return format_timestamp_internal_us(buf, l, t, false);
+ return format_timestamp_internal(buf, l, t, false, true);
}
char *format_timestamp_us_utc(char *buf, size_t l, usec_t t) {
- return format_timestamp_internal_us(buf, l, t, true);
+ return format_timestamp_internal(buf, l, t, true, true);
}
char *format_timestamp_relative(char *buf, size_t l, usec_t t) {