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79 lines
2.2 KiB
C
79 lines
2.2 KiB
C
/*
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* Apple // emulator for *ix
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*
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* This software package is subject to the GNU General Public License
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* version 3 or later (your choice) as published by the Free Software
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* Foundation.
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*
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* Copyright 2015-2016 Aaron Culliney
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*
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*/
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#ifndef _MEMMNGT_H_
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#define _MEMMNGT_H_
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// Simple memory management routines
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#define _FREE(ptr, free_func) \
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do { \
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free_func((ptr)); \
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/* WARNING : code may depend on NULLification, even in release builds */ \
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(ptr) = NULL; \
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} while (0)
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// A way to formalize intentional leaks
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#define LEAK(ptr) \
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do { \
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/* WARNING : code may depend on NULLification, even in release builds */ \
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(ptr) = NULL; \
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} while (0)
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#ifdef NDEBUG
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# define MALLOC(size) malloc((size))
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# define CALLOC(nmemb, size) calloc((nmemb), (size))
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# define REALLOC(ptr, size) realloc((ptr), (size))
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# define STRDUP(str) strdup((str))
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# define STRNDUP(str, n) strndup((str), (n))
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# define ASPRINTF(s, f, ...) asprintf((s), (f), __VA_ARGS__)
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# define FREE(ptr) _FREE((ptr), free)
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#else
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// NOTE: debug builds use a simplistic inline *alloc() fence and a scribbling free() to pinpoint out-of-bounds heap
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// writes. We still need to use Valgrind to pinpoint oob-reads and other issues =)
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# define MALLOC(size) _a2_malloc((size))
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# define CALLOC(nmemb, size) _a2_calloc((nmemb), (size))
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# define REALLOC(ptr, size) _a2_realloc((ptr), (size))
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# define STRDUP(str) _a2_strndup((str), 0)
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# define STRNDUP(str, n) _a2_strndup((str), (n))
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# define ASPRINTF(s, f, ...) _a2_asprintf((s), (f), __VA_ARGS__)
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# define FREE(ptr) _FREE((ptr), _a2_free)
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# define _BUF_SENTINEL 0xDEADC0DEUL
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# define _BUF_FENCE_SZ (sizeof(_BUF_SENTINEL))
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void *_a2_malloc(size_t size);
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void *_a2_calloc(size_t nmemb, size_t size);
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void _a2_free(void *ptr);
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void *_a2_realloc(void *ptr, size_t size);
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char *_a2_strndup(const char *s, size_t size);
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int _a2_asprintf(char **strp, const char *fmt, ...);
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#endif
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#if TARGET_OS_MAC || TARGET_OS_PHONE
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#define CFRELEASE(x) \
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do { \
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CFRelease((x)); \
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(x) = NULL; \
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} while (0)
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#endif
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#endif // whole file
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