683b3caa62
%F is specified by ISO C99. It adds semantic meaning as printing an ISO 8601 date. Scripted change: $ cat ~/tmp/spatch/strftime_F.sp @@ @@ - "%Y-%m-%d" + "%F" $ find contrib/ lib* src/ -type f \ | xargs spatch --sp-file ~/tmp/spatch/strftime_F.sp --in-place Signed-off-by: Alejandro Colomar <alx@kernel.org>
52 lines
978 B
C
52 lines
978 B
C
// SPDX-FileCopyrightText: 2021-2024, Alejandro Colomar <alx@kernel.org>
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// SPDX-FileCopyrightText: 2024, Tobias Stoeckmann <tobias@stoeckmann.org>
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// SPDX-License-Identifier: BSD-3-Clause
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#ifndef SHADOW_INCLUDE_LIB_TIME_DAY_TO_STR_H_
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#define SHADOW_INCLUDE_LIB_TIME_DAY_TO_STR_H_
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#include <config.h>
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#include <time.h>
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#include "defines.h"
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#include "sizeof.h"
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#include "string/strcpy/strtcpy.h"
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#define DAY_TO_STR(str, day) day_to_str(NITEMS(str), str, day)
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inline void day_to_str(size_t size, char buf[size], long day);
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inline void
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day_to_str(size_t size, char buf[size], long day)
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{
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time_t date;
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struct tm tm;
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if (day < 0) {
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strtcpy(buf, "never", size);
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return;
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}
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if (__builtin_mul_overflow(day, DAY, &date)) {
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strtcpy(buf, "future", size);
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return;
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}
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if (localtime_r(&date, &tm) == NULL) {
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strtcpy(buf, "future", size);
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return;
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}
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if (strftime(buf, size, "%F", &tm) == 0)
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strtcpy(buf, "future", size);
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}
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#endif // include guard
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