You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
88 lines
1.5 KiB
C
88 lines
1.5 KiB
C
/* See the end of this file for copyright and license terms. */
|
|
|
|
#include <errno.h>
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
#include <stdio.h>
|
|
|
|
#include "neo/_error.h"
|
|
#include "neo/_nalloc.h"
|
|
#include "neo/_stddef.h"
|
|
#include "neo/_types.h"
|
|
|
|
void nfree(void *ptr)
|
|
{
|
|
free(ptr);
|
|
}
|
|
|
|
/*
|
|
* the error messages are nil if malloc fails because if we are running low
|
|
* on memory, vsnprintf (which yeet() uses) is probably gonna fail as well
|
|
*/
|
|
|
|
void *nalloc(usize size, error *err)
|
|
{
|
|
if (size == 0) {
|
|
yeet(err, EINVAL, "Requested memory size is 0");
|
|
return nil;
|
|
}
|
|
|
|
void *ptr = malloc(size);
|
|
|
|
if (!ptr)
|
|
yeet(err, ENOMEM, nil);
|
|
else
|
|
neat(err);
|
|
|
|
return ptr;
|
|
}
|
|
|
|
void *zalloc(usize size, error *err)
|
|
{
|
|
if (size == 0) {
|
|
yeet(err, EINVAL, "Requested memory size is 0");
|
|
return nil;
|
|
}
|
|
|
|
void *ptr = calloc(1, size);
|
|
|
|
if (!ptr)
|
|
yeet(err, ENOMEM, nil);
|
|
else
|
|
neat(err);
|
|
|
|
return ptr;
|
|
}
|
|
|
|
void *nrealloc(void *ptr, usize newsz, error *err)
|
|
{
|
|
void *ret = realloc(ptr, newsz);
|
|
|
|
if (!ret) {
|
|
if (newsz == 0) {
|
|
ret = nil;
|
|
neat(err);
|
|
} else {
|
|
ret = ptr;
|
|
yeet(err, ENOMEM, nil);
|
|
}
|
|
} else {
|
|
neat(err);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* This file is part of libneo.
|
|
* Copyright (c) 2021 Fefie <owo@fef.moe>.
|
|
*
|
|
* libneo is non-violent software: you may only use, redistribute,
|
|
* and/or modify it under the terms of the CNPLv6+ as found in
|
|
* the LICENSE file in the source code root directory or at
|
|
* <https://git.pixie.town/thufie/CNPL>.
|
|
*
|
|
* libneo comes with ABSOLUTELY NO WARRANTY, to the extent
|
|
* permitted by applicable law. See the CNPLv6+ for details.
|
|
*/
|