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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
builtin/describe.c
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@ -63,7 +63,7 @@ static inline struct commit_name *find_commit_name(const unsigned char *peeled)
return n;
}
static int set_util(void *chain)
static int set_util(void *chain, void *data)
{
struct commit_name *n;
for (n = chain; n; n = n->next) {
@ -289,7 +289,7 @@ static void describe(const char *arg, int last_one)
fprintf(stderr, "searching to describe %s\n", arg);
if (!have_util) {
for_each_hash(&names, set_util);
for_each_hash(&names, set_util, NULL);
have_util = 1;
}