67 lines
1.5 KiB
C
67 lines
1.5 KiB
C
/* used by md.c (the malloc debug module) */
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#if defined(CHECK_MEMORY) && !defined(DEBUGMALLOC_EXTENSIONS)
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#undef CHECK_MEMORY
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#endif
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typedef struct md_node_s {
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int size;
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struct md_node_s *next;
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#ifdef DEBUGMALLOC_EXTENSIONS
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int id;
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int tag;
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char *desc;
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#endif
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#ifdef CHECK_MEMORY
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int magic;
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#endif
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} md_node_t;
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#ifdef CHECK_MEMORY
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#define MD_OVERHEAD (sizeof(md_node_t) + sizeof(int))
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#define MD_MAGIC 0x4bee4bee
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void check_all_blocks (int);
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#else
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#define MD_OVERHEAD (sizeof(md_node_t))
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#endif
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#define MD_TABLE_BITS 14
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#define MD_TABLE_SIZE (1 << MD_TABLE_BITS)
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#define MD_HASH(x) (((unsigned long)x >> 3) & (MD_TABLE_SIZE - 1))
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#define PTR(x) ((void *)(x + 1))
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#define NODET_TO_PTR(x, y) ((y)(x + 1))
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#define PTR_TO_NODET(x) ((md_node_t *)(x) - 1)
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#define DO_MARK(ptr, kind) if (PTR_TO_NODET(ptr)->tag != kind) \
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fprintf(stderr, "Expected node of type %04x: got %s %04x\n", \
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kind, PTR_TO_NODET(ptr)->desc, PTR_TO_NODET(ptr)->tag); \
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else PTR_TO_NODET(ptr)->tag |= TAG_MARKED
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#ifdef DEBUGMALLOC_EXTENSIONS
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#define SET_TAG(x, y) set_tag(x, y)
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#else
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#define SET_TAG(x, y)
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#endif
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extern int malloc_mask;
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extern unsigned int total_malloced;
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extern unsigned int hiwater;
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void MDinit (void);
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void MDmalloc (md_node_t *, int, int, char *);
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int MDfree (void *);
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#ifdef DEBUGMALLOC_EXTENSIONS
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struct svalue_s;
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void mark_svalue (struct svalue_s *);
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void set_tag (const void *, int);
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void check_string_stats (outbuffer_t *);
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#endif
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#define MAX_CATEGORY 130
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