mralloc.c

来自「大数运算库miracl。有了miracl这样的函数库」· C语言 代码 · 共 52 行

/*
 *   MIRACL memory allocation routines 
 *   mralloc.c
 *
 *   Copyright (c) 1988-1997 Shamus Software Ltd.
 *
 *   MIRACL C Memory allocation/deallocation
 *   Can be replaced with special user-defined routines
 *   Default is to standard system routines
 *
 *   NOTE: uses calloc() which initialises memory to Zero, so make sure
 *   any substituted routine does the same!
 */

#include <stdio.h>
#include <miracl.h>
#include <stdlib.h>

miracl *mr_first_alloc()
{
    return (miracl *)calloc(1,sizeof(miracl));
}

void *mr_alloc(_MIPD_ int num,int size)
{
    char *p; 
#ifndef MR_GENERIC_MT
    miracl *mr_mip=get_mip();
#endif

    if (mr_mip==NULL) 
    {
        p=(char *)calloc(num,size);
        return (void *)p;
    }
 
    if (mr_mip->ERNUM) return NULL;

    p=(char *)calloc(num,size);
    if (p==NULL) mr_berror(_MIPP_ MR_ERR_OUT_OF_MEMORY);
    return (void *)p;

}

void mr_free(void *addr)
{
    if (addr==NULL) return;
    free(addr);
    return;
}