Avoid relying on the filename length restrictions that are currently
checked by lock_file().
Signed-off-by: Michael Haggerty <mhag...@alum.mit.edu>
---
lockfile.c | 12 +++++++-----
1 file changed, 7 insertions(+), 5 deletions(-)
diff --git a/lockfile.c b/lockfile.c
index b955cca..bf018b5 100644
--- a/lockfile.c
+++ b/lockfile.c
@@ -316,7 +316,8 @@ int close_lock_file(struct lock_file *lk)
int commit_lock_file(struct lock_file *lk)
{
- char result_file[PATH_MAX];
+ static struct strbuf result_file = STRBUF_INIT;
+ int err;
if (lk->fd >= 0 && close_lock_file(lk))
return -1;
@@ -324,11 +325,12 @@ int commit_lock_file(struct lock_file *lk)
if (!(lk->flags & LOCK_FLAGS_LOCKFILE_ACTIVE))
return 0;
- strcpy(result_file, lk->filename);
/* remove ".lock": */
- result_file[strlen(result_file) - LOCK_SUFFIX_LEN] = 0;
-
- if (rename(lk->filename, result_file))
+ strbuf_add(&result_file, lk->filename,
+ strlen(lk->filename) - LOCK_SUFFIX_LEN);
+ err = rename(lk->filename, result_file.buf);
+ strbuf_reset(&result_file);
+ if (err)
return -1;
lk->flags &= ~LOCK_FLAGS_LOCKFILE_ACTIVE;
lk->filename[0] = 0;
--
1.9.1
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