From 5242eef8fc54636a41701fd9d7083ba6e4a4e0b3 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 26 Jun 2024 18:18:39 +0200 Subject: Merging upstream version 1:4.15.2. Signed-off-by: Daniel Baumann --- lib/time/day_to_str.c | 11 +++++++++++ lib/time/day_to_str.h | 51 +++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 62 insertions(+) create mode 100644 lib/time/day_to_str.c create mode 100644 lib/time/day_to_str.h (limited to 'lib/time') diff --git a/lib/time/day_to_str.c b/lib/time/day_to_str.c new file mode 100644 index 0000000..e3e4221 --- /dev/null +++ b/lib/time/day_to_str.c @@ -0,0 +1,11 @@ +// SPDX-FileCopyrightText: 2021-2024, Alejandro Colomar +// SPDX-FileCopyrightText: 2024, Tobias Stoeckmann +// SPDX-License-Identifier: BSD-3-Clause + + +#include + +#include "time/day_to_str.h" + + +extern inline void day_to_str(size_t size, char buf[size], long day); diff --git a/lib/time/day_to_str.h b/lib/time/day_to_str.h new file mode 100644 index 0000000..96cec6e --- /dev/null +++ b/lib/time/day_to_str.h @@ -0,0 +1,51 @@ +// SPDX-FileCopyrightText: 2021-2024, Alejandro Colomar +// SPDX-FileCopyrightText: 2024, Tobias Stoeckmann +// SPDX-License-Identifier: BSD-3-Clause + + +#ifndef SHADOW_INCLUDE_LIB_TIME_DAY_TO_STR_H_ +#define SHADOW_INCLUDE_LIB_TIME_DAY_TO_STR_H_ + + +#include + +#include + +#include "defines.h" +#include "sizeof.h" +#include "string/strtcpy.h" + + +#define DAY_TO_STR(str, day) day_to_str(NITEMS(str), str, day) + + +inline void day_to_str(size_t size, char buf[size], long day); + + +inline void +day_to_str(size_t size, char buf[size], long day) +{ + time_t date; + struct tm tm; + + if (day < 0) { + strtcpy(buf, "never", size); + return; + } + + if (__builtin_mul_overflow(day, DAY, &date)) { + strtcpy(buf, "future", size); + return; + } + + if (gmtime_r(&date, &tm) == NULL) { + strtcpy(buf, "future", size); + return; + } + + if (strftime(buf, size, "%Y-%m-%d", &tm) == 0) + strtcpy(buf, "future", size); +} + + +#endif // include guard -- cgit v1.2.3