2010-06-05 09:06:41 +00:00
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/* common.c - Alpine Package Keeper (APK)
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*
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2011-09-13 08:53:01 +00:00
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* Copyright (C) 2008-2011 Timo Teräs <timo.teras@iki.fi>
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2010-06-05 09:06:41 +00:00
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* All rights reserved.
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*
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2020-04-22 13:33:41 +00:00
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* SPDX-License-Identifier: GPL-2.0-only
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2010-06-05 09:06:41 +00:00
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*/
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#include <string.h>
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2013-06-12 15:43:56 +00:00
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#include <stdlib.h>
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2012-01-06 08:25:28 +00:00
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#include <unistd.h>
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2010-06-05 09:06:41 +00:00
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#include "apk_defines.h"
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static int *dummy_array = 0;
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void *apk_array_resize(void *array, size_t new_size, size_t elem_size)
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{
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2012-01-06 08:25:28 +00:00
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size_t old_size;
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ssize_t diff;
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2010-06-05 09:06:41 +00:00
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void *tmp;
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if (new_size == 0) {
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if (array != &dummy_array)
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free(array);
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return &dummy_array;
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}
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2012-01-06 08:25:28 +00:00
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old_size = array ? *((size_t *) array) : 0;
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2010-06-05 09:06:41 +00:00
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diff = new_size - old_size;
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if (array == &dummy_array)
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array = NULL;
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2011-09-20 14:07:47 +00:00
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tmp = realloc(array, sizeof(size_t) + new_size * elem_size);
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2010-06-05 09:06:41 +00:00
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if (diff > 0)
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2011-09-20 14:07:47 +00:00
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memset(tmp + sizeof(size_t) + old_size * elem_size, 0,
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2010-06-05 09:06:41 +00:00
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diff * elem_size);
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2011-09-20 14:07:47 +00:00
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*((size_t*) tmp) = new_size;
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2010-06-05 09:06:41 +00:00
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return tmp;
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}
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2021-07-24 16:13:49 +00:00
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time_t apk_get_build_time(void)
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{
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static int initialized = 0;
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static time_t timestamp = 0;
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char *source_date_epoch;
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if (initialized) return timestamp;
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source_date_epoch = getenv("SOURCE_DATE_EPOCH");
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if (source_date_epoch && *source_date_epoch)
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timestamp = strtoull(source_date_epoch, NULL, 10);
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else timestamp = time(NULL);
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initialized = 1;
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return timestamp;
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}
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