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#ifndef DECORATE_H
#define DECORATE_H
/*
* A data structure that associates Git objects to void pointers. See
* t/helper/test-example-decorate.c for a demonstration of how to use these
* functions.
*/
/*
* An entry in the data structure.
*/
struct decoration_entry {
const struct object *base;
void *decoration;
};
/*
* The data structure.
*
* This data structure must be zero-initialized.
*/
struct decoration {
/*
* Not used by the decoration mechanism. Clients may use this for
* whatever they want.
*/
const char *name;
/*
* The capacity of "entries".
*/
unsigned int size;
/*
* The number of real Git objects (that is, entries with non-NULL
* "base").
*/
unsigned int nr;
/*
* The entries. This is an array of size "size", containing nr entries
* with non-NULL "base" and (size - nr) entries with NULL "base".
*/
struct decoration_entry *entries;
};
/*
* Add an association from the given object to the given pointer (which may be
* NULL), returning the previously associated pointer. If there is no previous
* association, this function returns NULL.
*/
extern void *add_decoration(struct decoration *n, const struct object *obj, void *decoration);
/*
* Return the pointer associated to the given object. If there is no
* association, this function returns NULL.
*/
extern void *lookup_decoration(struct decoration *n, const struct object *obj);
#endif
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