/*
* struct mallinfo pulled from mallinfo.3:
*
* Copyright (c) 2012 by Michael Kerrisk <mtk.manpages@gmail.com>
*
* Permission is granted to make and distribute verbatim copies of this
* manual provided the copyright notice and this permission notice are
* preserved on all copies.
*
* Permission is granted to copy and distribute modified versions of this
* manual under the conditions for verbatim copying, provided that the
* entire resulting derived work is distributed under the terms of a
* permission notice identical to this one.
*
* Since the Linux kernel and libraries are constantly changing, this
* manual page may be incorrect or out-of-date. The author(s) assume no
* responsibility for errors or omissions, or for damages resulting from
* the use of the information contained herein. The author(s) may not
* have taken the same level of care in the production of this manual,
* which is licensed free of charge, as they might when working
* professionally.
*
* Formatted or processed versions of this manual, if unaccompanied by
* the source, must acknowledge the copyright and authors of this work.
*/
#include <malloc.h> /* memalign */
#include <stdlib.h> /* {m,c,re}alloc, free */
#include <string.h> /* memset */
#include <unistd.h> /* sbrk */
#include "alias.h" /* alias */
struct mallinfo {
int arena; /* Non-mmapped space allocated (bytes) */
int ordblks; /* Number of free chunks */
int smblks; /* Number of free fastbin blocks */
int hblks; /* Number of mmapped regions */
int hblkhd; /* Space allocated in mmapped regions (bytes) */
int usmblks; /* Maximum total allocated space (bytes) */
int fsmblks; /* Space in freed fastbin blocks (bytes) */
int uordblks; /* Total allocated space (bytes) */
int fordblks; /* Total free space (bytes) */
int keepcost; /* Top-most, releasable space (bytes) */
};
void *__libc_calloc(size_t nmemb, size_t size)
{
return calloc(nmemb, size);
}
alias(__libc_calloc, __calloc);
void __libc_free(void *ptr)
{
free(ptr);
}
alias(__libc_free, __free);
void *__libc_malloc(size_t size)
{
return malloc(size);
}
alias(__libc_malloc, __malloc);
void *__libc_memalign(size_t align, size_t len)
{
void *result;
if (posix_memalign(&result, align, len) != 0)
return NULL;
return result;
}
alias(__libc_memalign, __memalign);
void *__libc_realloc(void *ptr, size_t size)
{
return realloc(ptr, size);
}
alias(__libc_realloc, __realloc);
void *__sbrk(intptr_t increment)
{
return sbrk(increment);
}
struct mallinfo mallinfo(void)
{
struct mallinfo info;
memset(&info, 0, sizeof(info));
return info;
}
int malloc_trim(size_t pad)
{
/* This concept doesn't really map to musl's malloc */
return 0;
}
void mtrace(void)
{
/* Not implemented on purpose. */
return;
}
void muntrace(void)
{
/* Not implemented on purpose. */
return;
}
