diff options
Diffstat (limited to 'builtin/gc.c')
-rw-r--r-- | builtin/gc.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/builtin/gc.c b/builtin/gc.c index 069950d0b4..5befd518fd 100644 --- a/builtin/gc.c +++ b/builtin/gc.c @@ -220,7 +220,7 @@ static int need_to_gc(void) static const char *lock_repo_for_gc(int force, pid_t* ret_pid) { static struct lock_file lock; - char my_host[128]; + char my_host[HOST_NAME_MAX + 1]; struct strbuf sb = STRBUF_INIT; struct stat st; uintmax_t pid; @@ -239,8 +239,12 @@ static const char *lock_repo_for_gc(int force, pid_t* ret_pid) fd = hold_lock_file_for_update(&lock, pidfile_path, LOCK_DIE_ON_ERROR); if (!force) { - static char locking_host[128]; + static char locking_host[HOST_NAME_MAX + 1]; + static char *scan_fmt; int should_exit; + + if (!scan_fmt) + scan_fmt = xstrfmt("%s %%%dc", "%"SCNuMAX, HOST_NAME_MAX); fp = fopen(pidfile_path, "r"); memset(locking_host, 0, sizeof(locking_host)); should_exit = @@ -256,7 +260,7 @@ static const char *lock_repo_for_gc(int force, pid_t* ret_pid) * running. */ time(NULL) - st.st_mtime <= 12 * 3600 && - fscanf(fp, "%"SCNuMAX" %127c", &pid, locking_host) == 2 && + fscanf(fp, scan_fmt, &pid, locking_host) == 2 && /* be gentle to concurrent "gc" on remote hosts */ (strcmp(locking_host, my_host) || !kill(pid, 0) || errno == EPERM); if (fp != NULL) |