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for_each_hash: allow passing a 'void *data' pointer to callback

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For the find_exact_renames() function, this allows us to pass the
diff_options structure pointer to the low-level routines.  We will use
that to distinguish between the "rename" and "copy" cases.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Linus Torvalds
2011-02-18 19:55:19 -08:00
committed by Junio C Hamano
parent 7ed863a85a
commit 11f944dd6b
4 changed files with 13 additions and 11 deletions
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4
hash.c
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@@ -81,7 +81,7 @@ void **insert_hash(unsigned int hash, void *ptr, struct hash_table *table)
return insert_hash_entry(hash, ptr, table);
}
int for_each_hash(const struct hash_table *table, int (*fn)(void *))
int for_each_hash(const struct hash_table *table, int (*fn)(void *, void *), void *data)
{
int sum = 0;
unsigned int i;
@@ -92,7 +92,7 @@ int for_each_hash(const struct hash_table *table, int (*fn)(void *))
void *ptr = array->ptr;
array++;
if (ptr) {
int val = fn(ptr);
int val = fn(ptr, data);
if (val < 0)
return val;
sum += val;