44 lines
1.3 KiB
C
44 lines
1.3 KiB
C
#ifndef MEM_INCLUDED
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#define MEM_INCLUDED
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#include "except.h"
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#include <stddef.h>
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#define sizeof(x) (ptrdiff_t)sizeof(x)
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#define NELEMS(a) (sizeof(a) / sizeof(*(a)))
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#define LEN(s) (NELEMS(s) - 1)
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#define KB(x) ((ptrdiff_t)(x) << 10) // 1 KB = 1024 bytes
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#define MB(x) ((ptrdiff_t)(x) << 20) // 1 MB = 1024 * 1024 bytes
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#define GB(x) ((ptrdiff_t)(x) << 30) // 1 GB = 1024 * 1024 * 1024 bytes
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typedef enum {
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SOFTFAIL = 0x1,
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} MemFlags;
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extern const Exception out_of_memory; // OOM Exception
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extern void *mem_alloc (ptrdiff_t nbytes, const char *file, int line, int flags);
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extern void *mem_calloc(ptrdiff_t count, ptrdiff_t nbytes, const char *file, int line, int flags);
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extern void mem_free(void *ptr, const char *file, int line);
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extern void *mem_realloc(void *ptr, ptrdiff_t nbytes, const char *file, int line, int flags);
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#define ALLOC(nbytes,flags) \
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mem_alloc((nbytes), __FILE__, __LINE__, flags)
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#define CALLOC(count, nbytes, flags) \
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mem_calloc((count), (nbytes), __FILE__, __LINE__, flags)
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#define NEW(p,flags) \
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((p) = ALLOC((ptrdiff_t)sizeof *(p), flags))
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#define NEW0(p,flags) \
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((p) = CALLOC(1, (ptrdiff_t)sizeof *(p), flags))
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#define FREE(ptr) \
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((void)(mem_free((ptr), __FILE__, __LINE__), (ptr) = 0))
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#define REALLOC(ptr, nbytes, flags) \
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((ptr) = mem_realloc((ptr), (nbytes), __FILE__, __LINE__, flags))
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#endif
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