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/*******************************************************************
* File: omalloc.c
* Purpose: implementation of ANSI-C conforming malloc functions
* -- the real version
* Author: obachman@mathematik.uni-kl.de (Olaf Bachmann)
* Created: 11/99
*******************************************************************/
#include <stdlib.h>
#include <stdio.h>
#ifndef OMALLOC_C
#define OMALLOC_C
#include "omalloc.h"
#ifdef OM_MALLOC_MARK_AS_STATIC
#define OM_MARK_AS_STATIC(addr) omMarkAsStaticAddr(addr)
#else
#define OM_MARK_AS_STATIC(addr) do {} while (0)
#endif
#if OM_PROVIDE_MALLOC > 0
void* calloc(size_t nmemb, size_t size)
{
void* addr;
if (size == 0) size = 1;
if (nmemb == 0) nmemb = 1;
size = size*nmemb;
omTypeAlloc0Aligned(void*, addr, size);
OM_MARK_AS_STATIC(addr);
return addr;
}
void free(void* addr)
{
omfree(addr);
}
void* valloc(size_t size)
{
fputs("omalloc Warning: valloc not yet implemented\n",stderr);
fflush(NULL);
return NULL;
}
void* realloc(void* old_addr, size_t new_size)
{
if (old_addr && new_size)
{
void* new_addr;
omTypeReallocAligned(old_addr, void*, new_addr, new_size);
OM_MARK_AS_STATIC(new_addr);
return new_addr;
}
else
{
free(old_addr);
return malloc(new_size);
}
}
/* on some systems strdup is a macro -- replace it unless OMALLOC_FUNC
is defined */
#ifndef OMALLOC_USES_MALLOC
#if !defined(OMALLOC_FUNC)
#undef strdup
#endif
char* strdup_(const char* addr)
{
char* n_s;
if (addr)
{
n_s = omStrDup(addr);
OM_MARK_AS_STATIC(n_s);
return n_s;
}
return NULL;
}
#endif
#endif
void* malloc(size_t size)
{
void* addr;
if (size == 0) size = 1;
omTypeAllocAligned(void*, addr, size);
OM_MARK_AS_STATIC(addr);
return addr;
}
void freeSize(void* addr, size_t size)
{
if (addr) omFreeSize(addr, size);
}
void* reallocSize(void* old_addr, size_t old_size, size_t new_size)
{
if (old_addr && new_size)
{
void* new_addr;
omTypeReallocAlignedSize(old_addr, old_size, void*, new_addr, new_size);
OM_MARK_AS_STATIC(new_addr);
return new_addr;
}
else
{
freeSize(old_addr, old_size);
return malloc(new_size);
}
}
#endif
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