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author | Martin Koegler <mkoegler@auto.tuwien.ac.at> | 2008-02-25 22:46:06 +0100 |
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committer | Junio C Hamano <gitster@pobox.com> | 2008-02-25 23:57:35 -0800 |
commit | 7914053ba9901be1f1530f46e8e2e6ee6f4ae5b1 (patch) | |
tree | b8ea9161af89a50853b30a6666762d26576b4932 /object-refs.c | |
parent | 271b8d25b25e49b367087440e093e755e5f35aa9 (diff) | |
download | git-7914053ba9901be1f1530f46e8e2e6ee6f4ae5b1.tar.gz |
Remove unused object-ref code
Signed-off-by: Martin Koegler <mkoegler@auto.tuwien.ac.at>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'object-refs.c')
-rw-r--r-- | object-refs.c | 87 |
1 files changed, 0 insertions, 87 deletions
diff --git a/object-refs.c b/object-refs.c deleted file mode 100644 index 5345671569..0000000000 --- a/object-refs.c +++ /dev/null @@ -1,87 +0,0 @@ -#include "cache.h" -#include "object.h" -#include "decorate.h" - -int track_object_refs = 0; - -static struct decoration ref_decorate; - -struct object_refs *lookup_object_refs(struct object *base) -{ - return lookup_decoration(&ref_decorate, base); -} - -static void add_object_refs(struct object *obj, struct object_refs *refs) -{ - if (add_decoration(&ref_decorate, obj, refs)) - die("object %s tried to add refs twice!", sha1_to_hex(obj->sha1)); -} - -struct object_refs *alloc_object_refs(unsigned count) -{ - struct object_refs *refs; - size_t size = sizeof(*refs) + count*sizeof(struct object *); - - refs = xcalloc(1, size); - refs->count = count; - return refs; -} - -static int compare_object_pointers(const void *a, const void *b) -{ - const struct object * const *pa = a; - const struct object * const *pb = b; - if (*pa == *pb) - return 0; - else if (*pa < *pb) - return -1; - else - return 1; -} - -void set_object_refs(struct object *obj, struct object_refs *refs) -{ - unsigned int i, j; - - /* Do not install empty list of references */ - if (refs->count < 1) { - free(refs); - return; - } - - /* Sort the list and filter out duplicates */ - qsort(refs->ref, refs->count, sizeof(refs->ref[0]), - compare_object_pointers); - for (i = j = 1; i < refs->count; i++) { - if (refs->ref[i] != refs->ref[i - 1]) - refs->ref[j++] = refs->ref[i]; - } - if (j < refs->count) { - /* Duplicates were found - reallocate list */ - size_t size = sizeof(*refs) + j*sizeof(struct object *); - refs->count = j; - refs = xrealloc(refs, size); - } - - for (i = 0; i < refs->count; i++) - refs->ref[i]->used = 1; - add_object_refs(obj, refs); -} - -void mark_reachable(struct object *obj, unsigned int mask) -{ - const struct object_refs *refs; - - if (!track_object_refs) - die("cannot do reachability with object refs turned off"); - /* If we've been here already, don't bother */ - if (obj->flags & mask) - return; - obj->flags |= mask; - refs = lookup_object_refs(obj); - if (refs) { - unsigned i; - for (i = 0; i < refs->count; i++) - mark_reachable(refs->ref[i], mask); - } -} |