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/*
* Copyright (c) 2008 Patrick McHardy <kaber@trash.net>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* Development of this code funded by Astaro AG (http://www.astaro.com/)
*/
#include <stddef.h>
#include <stdlib.h>
#include <stdarg.h>
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <nftables.h>
#include <utils.h>
void __noreturn __memory_allocation_error(const char *filename, uint32_t line)
{
fprintf(stderr, "%s:%u: Memory allocation failure\n", filename, line);
exit(NFT_EXIT_NOMEM);
}
void xfree(const void *ptr)
{
free((void *)ptr);
}
void *xmalloc(size_t size)
{
void *ptr;
ptr = malloc(size);
if (ptr == NULL)
memory_allocation_error();
return ptr;
}
void *xmalloc_array(size_t nmemb, size_t size)
{
assert(size != 0);
assert(nmemb != 0);
if (nmemb > SIZE_MAX / size)
memory_allocation_error();
return xmalloc(nmemb * size);
}
void *xzalloc_array(size_t nmemb, size_t size)
{
void *ptr;
ptr = xmalloc_array(nmemb, size);
memset(ptr, 0, nmemb * size);
return ptr;
}
void *xrealloc(void *ptr, size_t size)
{
ptr = realloc(ptr, size);
if (ptr == NULL && size != 0)
memory_allocation_error();
return ptr;
}
void *xzalloc(size_t size)
{
void *ptr;
ptr = xmalloc(size);
memset(ptr, 0, size);
return ptr;
}
char *xstrdup(const char *s)
{
char *res;
assert(s != NULL);
res = strdup(s);
if (res == NULL)
memory_allocation_error();
return res;
}
void xstrunescape(const char *in, char *out)
{
unsigned int i, k = 0;
for (i = 0; i < strlen(in); i++) {
if (in[i] == '\\')
continue;
out[k++] = in[i];
}
out[k++] = '\0';
}
int round_pow_2(unsigned int n)
{
return 1UL << fls(n - 1);
}
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