+++ /dev/null
-/*
- * Copyright (C) 2013 Jérémie Galarneau <jeremie.galarneau@efficios.com>
- *
- * SPDX-License-Identifier: GPL-2.0-only
- *
- */
-
-#include <common/time.h>
-#include <common/error.h>
-#include <common/macros.h>
-#include <common/error.h>
-#include <common/compat/errno.h>
-#include <stddef.h>
-#include <stdint.h>
-#include <limits.h>
-#include <pthread.h>
-#include <locale.h>
-#include <string.h>
-
-static bool utf8_output_supported;
-
-bool locale_supports_utf8(void)
-{
- return utf8_output_supported;
-}
-
-int timespec_to_ms(struct timespec ts, unsigned long *ms)
-{
- unsigned long res, remain_ms;
-
- if (ts.tv_sec > ULONG_MAX / MSEC_PER_SEC) {
- errno = EOVERFLOW;
- return -1; /* multiplication overflow */
- }
- res = ts.tv_sec * MSEC_PER_SEC;
- remain_ms = ULONG_MAX - res;
- if (ts.tv_nsec / NSEC_PER_MSEC > remain_ms) {
- errno = EOVERFLOW;
- return -1; /* addition overflow */
- }
- res += ts.tv_nsec / NSEC_PER_MSEC;
- *ms = res;
- return 0;
-}
-
-struct timespec timespec_abs_diff(struct timespec t1, struct timespec t2)
-{
- uint64_t ts1 = (uint64_t) t1.tv_sec * (uint64_t) NSEC_PER_SEC +
- (uint64_t) t1.tv_nsec;
- uint64_t ts2 = (uint64_t) t2.tv_sec * (uint64_t) NSEC_PER_SEC +
- (uint64_t) t2.tv_nsec;
- uint64_t diff = max(ts1, ts2) - min(ts1, ts2);
- struct timespec res;
-
- res.tv_sec = diff / (uint64_t) NSEC_PER_SEC;
- res.tv_nsec = diff % (uint64_t) NSEC_PER_SEC;
- return res;
-}
-
-static
-void __attribute__((constructor)) init_locale_utf8_support(void)
-{
- const char *program_locale = setlocale(LC_ALL, NULL);
- const char *lang = getenv("LANG");
-
- if (program_locale && strstr(program_locale, "utf8")) {
- utf8_output_supported = true;
- } else if (lang && strstr(lang, "utf8")) {
- utf8_output_supported = true;
- }
-}
-
-int time_to_iso8601_str(time_t time, char *str, size_t len)
-{
- int ret = 0;
- struct tm *tm_result;
- struct tm tm_storage;
- size_t strf_ret;
-
- if (len < ISO8601_STR_LEN) {
- ERR("Buffer too short to format ISO 8601 timestamp: %zu bytes provided when at least %zu are needed",
- len, ISO8601_STR_LEN);
- ret = -1;
- goto end;
- }
-
- tm_result = localtime_r(&time, &tm_storage);
- if (!tm_result) {
- ret = -1;
- PERROR("Failed to break down timestamp to tm structure");
- goto end;
- }
-
- strf_ret = strftime(str, len, "%Y%m%dT%H%M%S%z", tm_result);
- if (strf_ret == 0) {
- ret = -1;
- ERR("Failed to format timestamp as local time");
- goto end;
- }
-end:
- return ret;
-}
-
-int time_to_datetime_str(time_t time, char *str, size_t len)
-{
- int ret = 0;
- struct tm *tm_result;
- struct tm tm_storage;
- size_t strf_ret;
-
- if (len < DATETIME_STR_LEN) {
- ERR("Buffer too short to format to datetime: %zu bytes provided when at least %zu are needed",
- len, DATETIME_STR_LEN);
- ret = -1;
- goto end;
- }
-
- tm_result = localtime_r(&time, &tm_storage);
- if (!tm_result) {
- ret = -1;
- PERROR("Failed to break down timestamp to tm structure");
- goto end;
- }
-
- strf_ret = strftime(str, len, "%Y%m%d-%H%M%S", tm_result);
- if (strf_ret == 0) {
- ret = -1;
- ERR("Failed to format timestamp as local time");
- goto end;
- }
-end:
- return ret;
-}