mirror of
https://github.com/autc04/Retro68.git
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76 lines
1.3 KiB
C
76 lines
1.3 KiB
C
#include <stdlib.h>
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#include <errno.h>
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#include <reent.h>
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#include <string.h>
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#include <MacMemory.h>
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void referenceMyMalloc() {}
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void *_malloc_r(struct _reent *reent_ptr, size_t sz)
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{
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return NewPtr(sz); // TODO: set errno
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}
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void *_calloc_r(struct _reent *reent_ptr, size_t sz, size_t sz2)
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{
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return NewPtrClear(sz*sz2); // TODO: set errno
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}
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void _free_r(struct _reent *reent_ptr, void *ptr)
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{
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if(ptr != NULL)
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DisposePtr(ptr);
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}
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void *_realloc_r(struct _reent *reent_ptr, void *ptr, size_t sz)
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{
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if(ptr == NULL)
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{
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return NewPtr(sz);
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}
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else
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{
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MemError();
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SetPtrSize(ptr, sz);
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if(MemError())
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{
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size_t oldSz = GetPtrSize(ptr);
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if(sz > oldSz)
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{
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void *newPtr = NewPtr(sz);
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if(!newPtr)
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{
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errno = ENOMEM;
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return NULL;
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}
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memcpy(newPtr, ptr, oldSz);
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return newPtr;
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}
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else
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{
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errno = ENOMEM;
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return NULL;
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}
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}
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}
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}
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void *malloc(size_t sz)
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{
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return _malloc_r(_REENT, sz);
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}
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void free(void *p)
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{
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_free_r(_REENT, p);
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}
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void *realloc(void *ptr, size_t sz)
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{
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return _realloc_r(_REENT, ptr, sz);
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}
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void *calloc(size_t sz1, size_t sz2)
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{
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return _calloc_r(_REENT, sz1, sz2);
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}
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