mirror of git://git.psyced.org/git/psyclpc
34 lines
965 B
C
34 lines
965 B
C
#ifndef PTRTABLE_H__
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#define PTRTABLE_H__ 1
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#include "driver.h"
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/* --- Types --- */
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/* One entry in the pointer table
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*/
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struct pointer_record
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{
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/* Private data: */
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mp_int key; /* Casted: the pointer registered with this record */
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struct pointer_record *next; /* Next entry in hash chain */
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/* Public data: */
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long ref_count; /* Number of registrations of this pointer */
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long id_number; /* User assigned ID number */
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void *data; /* User assigned extra data */
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};
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/* --- Prototypes --- */
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extern struct pointer_table * new_pointer_table(void);
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extern void free_pointer_table(struct pointer_table *ptable);
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extern struct pointer_record * find_add_pointer(struct pointer_table *ptable, void *pointer, Bool bAdd);
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extern struct pointer_record * register_pointer(struct pointer_table *ptable, void *pointer);
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#define lookup_pointer(ptable, p) find_add_pointer(ptable, p, MY_FALSE)
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#endif /* PTRTABLE_H__ */
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