attr: avoid heavy work when we know the specified attr is not defined

diff --git a/trace.c b/trace.c
index 17015fdb8142a70db00d80c111f0445a7bde9645..477860894196e32d7db990459cef47175277c441 100644 (file)
--- a/trace.c
+++ b/trace.c
@@ -298,13 +298,12 @@ void trace_repo_setup(const char *prefix)
 {
        static struct trace_key key = TRACE_KEY_INIT(SETUP);
        const char *git_work_tree;
-       char cwd[PATH_MAX];
+       char *cwd;
 
        if (!trace_want(&key))
                return;
 
-       if (!getcwd(cwd, PATH_MAX))
-               die("Unable to get current working directory");
+       cwd = xgetcwd();
 
        if (!(git_work_tree = get_git_work_tree()))
                git_work_tree = "(null)";
@@ -316,6 +315,8 @@ void trace_repo_setup(const char *prefix)
        trace_printf_key(&key, "setup: worktree: %s\n", quote_crnl(git_work_tree));
        trace_printf_key(&key, "setup: cwd: %s\n", quote_crnl(cwd));
        trace_printf_key(&key, "setup: prefix: %s\n", quote_crnl(prefix));
+
+       free(cwd);
 }
 
 int trace_want(struct trace_key *key)
@@ -384,7 +385,7 @@ static inline uint64_t gettimeofday_nanos(void)
  * Returns nanoseconds since the epoch (01/01/1970), for performance tracing
  * (i.e. favoring high precision over wall clock time accuracy).
  */
-inline uint64_t getnanotime(void)
+uint64_t getnanotime(void)
 {
        static uint64_t offset;
        if (offset > 1) {