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/* common.c - Alpine Package Keeper (APK)
*
* Copyright (C) 2008-2011 Timo Teräs <timo.teras@iki.fi>
* All rights reserved.
*
* SPDX-License-Identifier: GPL-2.0-only
*/
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include "apk_defines.h"
static int *dummy_array = 0;
void *apk_array_resize(void *array, size_t new_size, size_t elem_size)
{
size_t old_size;
ssize_t diff;
void *tmp;
if (new_size == 0) {
if (array != &dummy_array)
free(array);
return &dummy_array;
}
old_size = array ? *((size_t *) array) : 0;
diff = new_size - old_size;
if (array == &dummy_array)
array = NULL;
tmp = realloc(array, sizeof(size_t) + new_size * elem_size);
if (diff > 0)
memset(tmp + sizeof(size_t) + old_size * elem_size, 0,
diff * elem_size);
*((size_t*) tmp) = new_size;
return tmp;
}
time_t apk_get_build_time(void)
{
static int initialized = 0;
static time_t timestamp = 0;
char *source_date_epoch;
if (initialized) return timestamp;
source_date_epoch = getenv("SOURCE_DATE_EPOCH");
if (source_date_epoch && *source_date_epoch)
timestamp = strtoull(source_date_epoch, NULL, 10);
else timestamp = time(NULL);
initialized = 1;
return timestamp;
}
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