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object_array: factor out slopbuf-freeing logic 

This is not a lot of code, but it's a logical construct that
should not need to be repeated (and we are about to add a
third repetition).

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jeff King 2014-10-15 18:34:19 -04:00 committed by Junio C Hamano
parent 50a71776ab
commit 68f492359e
1 changed files with 12 additions and 4 deletions
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16
object.c
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@ -355,6 +355,16 @@ void add_object_array_with_context(struct object *obj, const char *name, struct
add_object_array_with_mode_context(obj, name, array, S_IFINVALID, context);
}
/*
* Free all memory associated with an entry; the result is
* in an unspecified state and should not be examined.
*/
static void object_array_release_entry(struct object_array_entry *ent)
{
if (ent->name != object_array_slopbuf)
free(ent->name);
}
void object_array_filter(struct object_array *array,
object_array_each_func_t want, void *cb_data)
{
@ -367,8 +377,7 @@ void object_array_filter(struct object_array *array,
objects[dst] = objects[src];
dst++;
} else {
if (objects[src].name != object_array_slopbuf)
free(objects[src].name);
object_array_release_entry(&objects[src]);
}
}
array->nr = dst;
@ -400,8 +409,7 @@ void object_array_remove_duplicates(struct object_array *array)
objects[array->nr] = objects[src];
array->nr++;
} else {
if (objects[src].name != object_array_slopbuf)
free(objects[src].name);
object_array_release_entry(&objects[src]);
}
}
}