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git/decorate.h
Denton Liu 554544276a *.[ch]: remove extern from function declarations using spatch
There has been a push to remove extern from function declarations.
Remove some instances of "extern" for function declarations which are
caught by Coccinelle. Note that Coccinelle has some difficulty with
processing functions with `__attribute__` or varargs so some `extern`
declarations are left behind to be dealt with in a future patch.

This was the Coccinelle patch used:

	@@
	type T;
	identifier f;
	@@
	- extern
	  T f(...);

and it was run with:

	$ git ls-files \*.{c,h} |
		grep -v ^compat/ |
		xargs spatch --sp-file contrib/coccinelle/noextern.cocci --in-place

Files under `compat/` are intentionally excluded as some are directly
copied from external sources and we should avoid churning them as much
as possible.

Signed-off-by: Denton Liu <liu.denton@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-05-05 15:20:06 +09:00

62 lines
1.4 KiB
C

#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.
*/
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.
*/
void *lookup_decoration(struct decoration *n, const struct object *obj);
#endif