36 lines
1.2 KiB
C
36 lines
1.2 KiB
C
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#ifndef MEM_INCLUDED
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#define MEM_INCLUDED
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#include "except.h" // Exceptions
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#include <stddef.h> // size_t
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/* General Macros*/
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#define MEM_KB(x) ((size_t)(x) * 1024ULL)
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#define MEM_MB(x) ((size_t)(x) * 1024ULL * 1024ULL)
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#define MEM_GB(x) ((size_t)(x) * 1024ULL * 1024ULL * 1024ULL)
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#define MEM_SIZE(x) (ptrdiff_t)sizeof(x)
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#define MEM_COUNT(a) (MEM_SIZE(a) / MEM_SIZE(*(a)))
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#define MEM_LEN(s) (MEM_COUNT(s) - 1)
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/* Default behavior is to throw exceptions and zero out memory*/
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enum MemFlags {
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NOZERO = 1 << 0, /* 0001 */
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SOFT_FAIL = 1 << 1, /* 0010 */
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HARD_FAIL = 1 << 2, /* 0100 */
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};
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extern const Exception OOM; // Out of memory
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extern void *mem_alloc (int flags, size_t nbytes, const char *file, int line);
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extern void mem_free(void *ptr, const char *file, int line);
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extern void *mem_resize(int flags, void *ptr, size_t nbytes, const char *file, int line);
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extern int mem_is_zero(const void *ptr, size_t nbytes);
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#define ALLOC(flags, nbytes) mem_alloc((flags), (nbytes), __FILE__, __LINE__)
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#define FREE(ptr) ((void)(mem_free((ptr), __FILE__, __LINE__), (ptr) = 0))
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#define RESIZE(flags, ptr, nbytes) ((ptr) = mem_resize((flags), (ptr), \
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(nbytes), __FILE__, __LINE__))
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#endif
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