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get_locked_file_path(): new function

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Add a function to return the path of the file that is locked by a
lock_file object. This reduces the knowledge that callers have to have
about the lock_file layout.

Suggested-by: Ronnie Sahlberg <sahlberg@google.com>
Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Michael Haggerty
2014-10-01 12:28:39 +02:00
committed by Junio C Hamano
parent 316683bd37
commit ec38b4e482
4 changed files with 16 additions and 3 deletions
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9
lockfile.c
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@ -257,6 +257,15 @@ int hold_lock_file_for_append(struct lock_file *lk, const char *path, int flags)
return fd;
}
char *get_locked_file_path(struct lock_file *lk)
{
if (!lk->active)
die("BUG: get_locked_file_path() called for unlocked object");
if (lk->filename.len <= LOCK_SUFFIX_LEN)
die("BUG: get_locked_file_path() called for malformed lock object");
return xmemdupz(lk->filename.buf, lk->filename.len - LOCK_SUFFIX_LEN);
}
int close_lock_file(struct lock_file *lk)
{
int fd = lk->fd;